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Wang J, Wen W, Gong D, Chen Q, Li P, Liu P, Wang F, Xu S. SZAP exerts analgesic effects on rheumatalgia in CIA rats by suppressing pain hyperalgesia and inhibiting TRPV1 and P2X3. J Ethnopharmacol 2022; 284:114780. [PMID: 34728318 DOI: 10.1016/j.jep.2021.114780] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/19/2021] [Accepted: 10/22/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE ShexiangZhuifeng Analgesic Plaster (SZAP) is a traditional Chinese medicine and transdermal formulation composed of many Chinese herbs and active compounds. SZAP was recently approved by the China Food and Drug Administration for the treatment of pain associated with osteoarticular diseases and is preferred by most rheumatoid arthritis patients in China. However, its mechanism has not been elucidated in detail. AIM OF THE STUDY We sought to determine the analgesic effect of SZAP in collagen-induced arthritis (CIA) rats and explore the underlying mechanisms of pain transmission, such as via the TRPV1 and P2X3 receptors. METHODS After CIA was established, rats were treated with SZAP for 7 days. Paw thickness, arthritis score, and haematoxylin and eosin staining were used to evaluate the effectiveness of SZAP. Paw withdrawal threshold (PWT) and tail-flick latency (TFL) were used to estimate the analgesic effect of SZAP. The levels of PGE2, BK, 5-HT, SP, and CGRP in the serum and synovium were determined using ELISA kits, and ATP in the synovium was measured using HPLC. The expression of TRPV1 and P2X3 in the DRG was detected using western blotting and immunofluorescence. TRPV1 and P2X3 agonists were further used to determine the analgesic effects of SZAP on CIA rats based on PWT and TFL. RESULTS SZAP not only significantly ameliorated arthritis scores and paw thickness by improving the pathological damage of synovial joints, but also remarkably alleviated pain in CIA rats. Further, treatment with SZAP significantly reduced peripheral 5-HT, PGE2 BK, SP, CGRP, and ATP. Additionally, the expression of TRPV1 and P2X3 in the DRG was markedly downregulated by SZAP. Interestingly, the analgesic effect of SZAP was weakened (reduction of PWT and TFL) when TRPV1 and P2X3 were activated by capsaicin or α,β-meATP, respectively. CONCLUSION SZAP ameliorates rheumatalgia by suppressing hyperalgesia and pain transmission through the inhibition of TRPV1 and P2X3 in the DRG of CIA rats.
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Affiliation(s)
- Jie Wang
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, PR China; Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, PR China
| | - Wen Wen
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, PR China; Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, PR China
| | - Daoyin Gong
- Department of Pathology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Qi Chen
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, PR China; Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, PR China
| | - Ping Li
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, PR China; Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, PR China
| | - Panwang Liu
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, PR China; Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, PR China
| | - Fushun Wang
- Institute of Brain and Psychological Science, Sichuan Normal University, Chengdu, Sichuan, 610000, China
| | - Shijun Xu
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, PR China; Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, PR China; State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu, Sichuan, 611137, PR China.
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Eid BG, Alhakamy NA, Fahmy UA, Ahmed OAA, Md S, Abdel-Naim AB, Caruso G, Caraci F. Melittin and diclofenac synergistically promote wound healing in a pathway involving TGF-β1. Pharmacol Res 2022; 175:105993. [PMID: 34801680 DOI: 10.1016/j.phrs.2021.105993] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/17/2021] [Accepted: 11/17/2021] [Indexed: 12/23/2022]
Abstract
A dysregulation of the wound healing process can lead to the development of various intractable ulcers or excessive scar formation. Therefore it is essential to identify novel pharmacological strategies to promote wound healing and restore the mechanical integrity of injured tissue. The goal of the present study was to formulate a nano-complex containing melittin (MEL) and diclofenac (DCL) with the aim to evaluate their synergism and preclinical efficacy in an in vivo model of acute wound. After its preparation and characterization, the therapeutic potential of the combined nano-complexes was evaluated. MEL-DCL nano-complexes exhibited better regenerated epithelium, keratinization, epidermal proliferation, and granulation tissue formation, which in turn showed better wound healing activity compared to MEL, DCL, or positive control. The nano-complexes also showed significantly enhanced antioxidant activity. Treatment of wounded skin with MEL-DCL nano-complexes showed significant reduction of interleukin-6 (IL-6), IL-1β, and tumor necrosis factor-α (TNF-α) pro-inflammatory markers that was paralleled by a substantial increase in mRNA expression levels of collagen, type I, alpha 1 (Col1A1) and collagen, type IV, alpha 1 (Col4A1), and hydroxyproline content as compared to individual drugs. Additionally, MEL-DCL nano-complexes were able to significantly increase hypoxia-inducible factor 1-alpha (HIF-1α) and transforming growth factor beta 1 (TGF-β1) proteins expression compared to single drugs or negative control group. SB431542, a selective inhibitor of type-1 TGF-β receptor, significantly prevented in our in vitro assay the wound healing process induced by the MEL-DCL nano-complexes, suggesting a key role of TGF-β1 in the wound closure. In conclusion, the nano-complex of MEL-DCL represents a novel pharmacological tool that can be topically applied to improve wound healing.
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Affiliation(s)
- Basma G Eid
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Nabil A Alhakamy
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Advanced Drug Delivery Research Group, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Center of Excellence for Drug Research and Pharmaceutical Industries, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Scientific chair "Mohamed Saeed Tamer Chair for Pharmaceutical industries", King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Usama A Fahmy
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Osama A A Ahmed
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Advanced Drug Delivery Research Group, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Center of Excellence for Drug Research and Pharmaceutical Industries, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Scientific chair "Mohamed Saeed Tamer Chair for Pharmaceutical industries", King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Shadab Md
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Ashraf B Abdel-Naim
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Giuseppe Caruso
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy.
| | - Filippo Caraci
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy; Oasi Research Institute-IRCCS, 94018 Troina, Italy.
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Sun C, Lin S, Li Z, Liu H, Liu Y, Wang K, Zhu T, Li G, Yin B, Wan R. iTRAQ-based quantitative proteomic analysis reveals the toxic mechanism of diclofenac sodium on the kidney of broiler chicken. Comp Biochem Physiol C Toxicol Pharmacol 2021; 249:109129. [PMID: 34229076 DOI: 10.1016/j.cbpc.2021.109129] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 06/30/2021] [Accepted: 06/30/2021] [Indexed: 12/20/2022]
Abstract
Diclofenac sodium (DS) is one of the nonsteroidal anti-inflammatory drugs (NSAIDs), which exhibits potent toxicity to birds. To search the molecular mechanism of DS induced nephrotoxicity in broiler chicken, 20 apparently healthy 30-day old broiler chickens were separated randomly into two groups (n = 10): Group A was kept as control while DS was administered at the dose rate of 10 mg/kg body weight in group B through oral gavage. Kidney samples were collected, and the proteins were identified and quantified by iTRAQ. 434 differentially expressed proteins (DEPs) were screened, including 277 up-regulated DEPs and 157 down-regulated DEPs. The functional annotation and classification results indicated that DEPs were significantly enriched in apoptosis and metabolism-related pathways via GO and KEGG analysis. Compared with the control group, the most significant enrichment pathways are "ribosome", "metabolic pathways" and "protein processing in endoplasmic reticulum". Based on the proteomic results and relevant literature, some DEPs that potentially related to the toxicity of DS were screened. The mRNA transcript levels of these DEPs were characterized by qRT-PCR, and the results showed that Slc22a7, Gatm, Glud1, Agxt2 and Gldc were significantly down-regulated, while Gsl, Gpt2 and Asns were significantly up-regulated. We speculate that the toxic mechanism of DS to chicken might be that it induces kidney cell apoptosis, interferes with purine metabolism and inhibits the expression of OAT2. The current study provides a reference for elucidating the nephrotoxic mechanism of diclofenac sodium to broiler chicken from the molecular perspective.
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Affiliation(s)
- Chuanxi Sun
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian 271001, Shandong, China; Institute of Poultry Science, Shandong Academy of Agricultural Science, Jinan 250100, Shandong, China
| | - Shuqian Lin
- Institute of Poultry Science, Shandong Academy of Agricultural Science, Jinan 250100, Shandong, China; Shandong Provincial Animal and Poultry Green Health Products Creation Engineering Laboratory, Jinan 250100, Shandong, China
| | - Zhen Li
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian 271001, Shandong, China; Institute of Poultry Science, Shandong Academy of Agricultural Science, Jinan 250100, Shandong, China
| | - Huazheng Liu
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian 271001, Shandong, China
| | - Yixin Liu
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian 271001, Shandong, China
| | - Keke Wang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian 271001, Shandong, China
| | - Tianyi Zhu
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian 271001, Shandong, China
| | - Guiming Li
- Institute of Poultry Science, Shandong Academy of Agricultural Science, Jinan 250100, Shandong, China; Shandong Provincial Animal and Poultry Green Health Products Creation Engineering Laboratory, Jinan 250100, Shandong, China
| | - Bin Yin
- Institute of Poultry Science, Shandong Academy of Agricultural Science, Jinan 250100, Shandong, China; Shandong Provincial Animal and Poultry Green Health Products Creation Engineering Laboratory, Jinan 250100, Shandong, China.
| | - Renzhong Wan
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian 271001, Shandong, China.
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Ventura-Martínez R, Déciga-Campos M, Bustamante-Marquina A, Ángeles-López GE, Aviles-Herrera J, González-Trujano ME, Navarrete-Vázquez G. Quercetin decreases the antinociceptive effect of diclofenac in an arthritic gout-pain model in rats. J Pharm Pharmacol 2021; 73:1310-1318. [PMID: 34223630 DOI: 10.1093/jpp/rgab093] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 06/07/2021] [Indexed: 12/31/2022]
Abstract
OBJECTIVE To analyse the antinociceptive interaction between quercetin (QUER) and diclofenac (DIC) in experimental arthritic gout-pain. METHODS The antinociceptive effect of DIC and QUER alone and in combination were evaluated using an arthritic gout-pain model. Pain was induced through intra-articular administration of uric acid in the rats and the treatments were administered 2 h later. Additionally, the cyclooxygenase (COX) activity was determined in rats treated with DIC, QUER and their combination. KEY FINDINGS DIC induced a maximal effect of 69.7 ± 2.7% with 3.1 mg/kg; whereas QUER only produced 17.6 ± 2.6% with the maximal dose (316 mg/kg). Ten of twelve DIC + QUER combinations showed a lesser antinociceptive effect than DIC alone did (P < 0.05). Moreover, DIC reduced total-COX (70.4 ± 1.3 versus 52.4 ± 1.8 and 77.4 ± 9.0 versus 56.1 ± 1.3, P < 0.05) and COX-2 (60.1 ± 1.0 versus 42.4 ± 1.8 and 58.1 ± 2.4 versus 48.7 ± 1.3, P < 0.05) activity after 1 and 3 h, respectively. Nevertheless, only the COX-2 activity induced by DIC was prevented in the presence of QUER (63.2 ± 3.0 versus 60.1 ± 1.0 and 56.6 ± 1.3 versus 58.1 ± 2.4 at 1 and 3 h, respectively). CONCLUSIONS All these data demonstrated that the simultaneous administration of QUER + DIC produces an unfavorable interaction on the antinociceptive effect of DIC. Therefore, this combination might not be recommendable to relieve arthritic gout-pain.
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Affiliation(s)
- Rosa Ventura-Martínez
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Ciudad de México, México
| | - Myrna Déciga-Campos
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional (IPN), Ciudad de México, México
| | - Araceli Bustamante-Marquina
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional (IPN), Ciudad de México, México
| | - Guadalupe Esther Ángeles-López
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Ciudad de México, México
| | - José Aviles-Herrera
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Ciudad de México, México
| | - Maria Eva González-Trujano
- Laboratorio de Neurofarmacología de Productos Naturales, Dirección de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatría "Ramón de la Fuente Muñiz", Ciudad de México, México
| | - Gabriel Navarrete-Vázquez
- Facultad de Farmacia, Universidad Autónoma del Estado de Morelos (UAEM), Cuernavaca, Morelos, México
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Thanage R, Jain S, Chandnani S, Udgirkar S, Nair S, Debnath P, Jain S, Rathi P. Is the Combination of Rectal Diclofenac and Intravenous Ringer Lactate Superior to Individual Therapy for Prophylaxis of Post-Endoscopic Retrograde Cholangiopancreatography Pancreatitis: A Prospective, Open-Label, Single-Center Randomized Trial. Pancreas 2021; 50:1236-1242. [PMID: 34714289 DOI: 10.1097/mpa.0000000000001903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
METHODS This was single-center, open-label, randomized trial. Patients who were undergoing ERCP and who were at high risk for the development of PEP were selected for the study. Patients were randomized into 3 treatment groups: diclofenac suppository group, RL group, and a combination group. RESULTS Eight of 57 patients (14.03%) in the diclofenac group, 9 of 57 patients (15.78%) in the RL group, and 6 of 57 patients (10.52%) in the combination group developed PEP. The incidence of PEP between the three groups was not statistically significant (P = 0.70). Serum amylase level of >252 U/L had 91.3% sensitivity and 92.6% specificity for the diagnosis of PEP. CONCLUSIONS Post-ERCP pancreatitis is usually mild to moderate 95% times. Female sex, age younger than 50 years, a benign indication of ERCP, and low bilirubin levels have higher chances of PEP. A combination of rectal diclofenac and hydration with RL does not offer better protection for PEP, as compared with individual prophylaxis.
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Affiliation(s)
- Ravi Thanage
- From the Department of Gastroenterology, Topiwala National Medical College and B.Y.L. Nair Hospital, Mumbai, India
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Takaori A, Ikeura T, Hori Y, Ito T, Nakamaru K, Masuda M, Mitsuyama T, Miyoshi H, Shimatani M, Takaoka M, Okazaki K, Naganuma M. Rectally Administered Low-Dose Diclofenac Has No Effect on Preventing Post-Endoscopic Retrograde Cholangiopancreatography Pancreatitis: A Propensity Score Analysis. Pancreas 2021; 50:1024-1029. [PMID: 34629455 DOI: 10.1097/mpa.0000000000001877] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVES We evaluated the preventive effect of low-dose diclofenac (25-50 mg) on post-endoscopic retrograde cholangiopancreatography (ERCP) pancreatitis (PEP) by propensity score matching analysis. METHODS We retrospectively analyzed the data of 515 patients who underwent ERCP for the first time with or without the rectal administration of low-dose diclofenac before the procedure. For the purpose of minimization of the intrinsic selection bias, we compared the incidence rate of PEP between the diclofenac and control group after propensity score matching. RESULTS Post-ERCP pancreatitis developed in 15 patients (2.9%). There was no significant difference in the incidence of PEP between the diclofenac (2.4%) and control group (3.3%) (P = 0.608). One hundred ninety matched pairs were generated by propensity score matching and analyzed; however, the incidence rate of PEP was the same in both groups (2.1%, P = 1.000). In the subgroup analysis using data of patients with high-risk factors for developing PEP, the incidence rate of PEP was comparable between the diclofenac (3.8%) and control groups (4.0%) (P = 0.917). CONCLUSIONS In our propensity score analysis, rectal administration of low-dose diclofenac was not shown to be useful in preventing PEP.
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Affiliation(s)
- Ayaka Takaori
- From the Third Department of Internal Medicine, Kansai Medical University
| | - Tsukasa Ikeura
- From the Third Department of Internal Medicine, Kansai Medical University
| | - Yuichi Hori
- From the Third Department of Internal Medicine, Kansai Medical University
| | - Takashi Ito
- From the Third Department of Internal Medicine, Kansai Medical University
| | - Koh Nakamaru
- From the Third Department of Internal Medicine, Kansai Medical University
| | - Masataka Masuda
- From the Third Department of Internal Medicine, Kansai Medical University
| | | | - Hideaki Miyoshi
- From the Third Department of Internal Medicine, Kansai Medical University
| | - Masaaki Shimatani
- From the Third Department of Internal Medicine, Kansai Medical University
| | - Makoto Takaoka
- From the Third Department of Internal Medicine, Kansai Medical University
| | | | - Makoto Naganuma
- From the Third Department of Internal Medicine, Kansai Medical University
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Kim SH, Nam KW, Allam B, Choi KS, Park KH, Park KI. Quantification of the inflammatory responses to pro-and anti-inflammatory agents in Manila clam, Ruditapes philippinarum. Fish Shellfish Immunol 2021; 115:22-26. [PMID: 34052388 DOI: 10.1016/j.fsi.2021.05.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 05/24/2021] [Accepted: 05/25/2021] [Indexed: 06/12/2023]
Abstract
Inflammation is a form of innate immune response of living organisms to harmful stimuli. In marine bivalves, inflammation is a common defense mechanism. Several studies have investigated the morphological features of inflammation in bivalves, such as hemocyte infiltration. However, the molecular and biochemical responses associated with inflammation in marine bivalves remain unexplored. Here, we investigated changes in nitric oxide (NO) levels, cyclooxygenase 2 (COX-2) activity, and allograft inflammatory factor-1 (AIF-1) gene expression levels in hemolymph samples collected from Manila clam (Ruditapes philippinarum) exposed to pro- and anti-inflammatory substances. These included the pro-inflammatory agent lipopolysaccharide (LPS), and the nonsteroidal anti-inflammatory drugs (NSAIDs) ibuprofen and diclofenac, all widely used in vertebrates. Our study showed that NO levels, COX-2 activity, and AIF-1 expression increased in response to the treatments with LPS and decreased in response to the treatments with NSAIDs in a concentration-dependent manner. These results suggest that the mechanism of inflammatory responses in bivalves is very similar to that of vertebrates, and we propose that inflammatory responses can be quantified using these techniques and used to determine the physiological status of marine bivalves exposed to biotic or abiotic stresses.
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Affiliation(s)
- Seung-Hyeon Kim
- Department of Aquatic Life Medicine, College of Ocean Science and Technology, Kunsan National University, 558 Daehak-ro, Gunsan-si, Jeollabuk-do 54150, Republic of Korea
| | - Ki-Woong Nam
- Department of Aquatic Life Medicine, College of Ocean Science and Technology, Kunsan National University, 558 Daehak-ro, Gunsan-si, Jeollabuk-do 54150, Republic of Korea
| | - Bassem Allam
- School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY 11794-5000, USA
| | - Kwang-Sik Choi
- School of Marine Biomedical Science, Jeju National University, 102 Jejudaehakno Jeju 63243, Republic of Korea
| | - Kwan-Ha Park
- Department of Aquatic Life Medicine, College of Ocean Science and Technology, Kunsan National University, 558 Daehak-ro, Gunsan-si, Jeollabuk-do 54150, Republic of Korea
| | - Kyung-Il Park
- Department of Aquatic Life Medicine, College of Ocean Science and Technology, Kunsan National University, 558 Daehak-ro, Gunsan-si, Jeollabuk-do 54150, Republic of Korea.
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Abstract
Layered rare-earth hydroxides have begun to gather increasing attention as potential theranostic platforms owing to their extensive intercalation chemistry combined with magnetic and fluorescent properties. In this work, the potential of layered terbium hydroxide (LTbH) as a platform for simultaneous drug delivery and fluorescence imaging was evaluated. LTbH-Cl ([Tb2(OH)5]Cl·yH2O) was loaded with three nonsteroidal anti-inflammatory drugs (diclofenac, ibuprofen, and naproxen) via ion-exchange. Drug release studies in phosphate buffered saline (pH = 7.4) revealed all three formulations release their drug cargo rapidly over the course of approximately 5 hours. In addition, solid state fluorescence studies indicated that fluorescence intensity is strongly dependent on the identity of the guest anion. It was postulated that this feature may be used to track the extent of drug release from the formulation, which was subsequently successfully demonstrated for the ibuprofen loaded LTbH. Overall, LTbH exhibits good biocompatibility, high drug loading, and a strong, guest-dependent fluorescence signal, all of which are desirable qualities for theranostic applications.
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Affiliation(s)
- Margarita Strimaite
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, UK.
| | - Clarissa L G Harman
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, UK.
| | - Huan Duan
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, UK.
| | - Yuwei Wang
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, UK.
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, P.O. Box 98, Beijing, 100029, PR China
| | - Gemma-Louise Davies
- Department of Chemistry, University College London, 20 Gordon St, Bloomsbury, London, WC1H 0AJ, UK
| | - Gareth R Williams
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, UK.
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Łoziński T, Ludwin A, Filipowska J, Zgliczyńska M, Węgrzyn P, Kluz T, Ciebiera M. Oxytocin and Misoprostol With Diclofenac in the Preparation for Magnetic Resonance-Guided High-Intensity Ultrasound Treatment of Symptomatic Uterine Fibroids: A Prospective Cohort Study. Ultrasound Med Biol 2021; 47:1573-1585. [PMID: 33785226 DOI: 10.1016/j.ultrasmedbio.2021.02.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 02/16/2021] [Accepted: 02/19/2021] [Indexed: 06/12/2023]
Abstract
Uterine fibroids (UFs) are very common benign tumors of the female reproductive tract. According to recent reports, magnetic resonance-guided high-intensity ultrasound (MR-HIFU) appears to be a well-tolerated and efficient treatment option for UFs. However, MR-HIFU still presents several limitations. The treatment is rarely associated with achieving complete non-perfused volume (NPV). Not all patients are qualified for a final procedure, and selected women obtain very good results in such treatment. The primary objective of this experimental study was to assess the effect of transvaginal misoprostol and intravenous oxytocin preparation on UF volume change, sonication time and NPV after MR-HIFU procedure in women of reproductive age with symptomatic UFs. Secondary outcomes included the effect on the peri-procedural effectiveness of misoprostol and oxytocin. This study enrolled 247 women with symptomatic UFs; based on gynecologic examinations and magnetic resonance imaging (MRI) scans, 128 women qualified for MR-HIFU without pharmacologic treatment, 57 women qualified for the misoprostol/diclofenac group and 62 women qualified for the oxytocin group. Pharmacologic pre-treatment improved NPV compared with non-pharmacologic treatment (average NPV: controls 61.9% ± 25.8%; oxytocin 76.8% ± 20.7%; misoprostol/diclofenac 85.2% ± 15.1%; average sonication time: controls 120 min ± 56.4%; oxytocin 111 min ± 45.4%; misoprostol/diclofenac 80 min ± 47.7%). Statistical analysis did not reveal significant intergroup differences in UF volume changes after 6 mo (controls: n = 40, 37.4% ± 27.5%; oxytocin n = 25, 45.8% ± 31%; misoprostol/diclofenac n = 19, 33.4% ± 23.2%). The misoprostol/diclofenac group, which achieved the highest NPV immediately after the MR-HIFU procedure, was characterized by the lowest UF volume change percentages 6 mo later. The administration of vasoconstrictor drugs (oxytocin and misoprostol/diclofenac) to support MR-HIFU in UF treatment is a new issue that may improve the total effectiveness of this method. Randomized controlled trials are necessary to estimate the real effect of vasoconstrictors on MR-HIFU.
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Affiliation(s)
- Tomasz Łoziński
- Department of Obstetrics and Gynecology Pro-Familia Hospital, Rzeszów, Poland.
| | - Artur Ludwin
- Department of Gynecology and Oncology, Jagiellonian University, Kraków, Poland
| | - Justyna Filipowska
- Department of Obstetrics and Gynecology Pro-Familia Hospital, Rzeszów, Poland; Institute of Nursing and Health Sciences, Faculty of Medicine, University of Rzeszów, Rzeszów, Poland
| | - Magdalena Zgliczyńska
- Second Department of Obstetrics and Gynecology, Center of Postgraduate Medical Education, Warsaw, Poland
| | - Piotr Węgrzyn
- Department of Obstetrics and Perinatology, Faculty of Health Sciences, Medical University of Warsaw, Warsaw, Poland
| | - Tomasz Kluz
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Rzeszów, Poland
| | - Michał Ciebiera
- Second Department of Obstetrics and Gynecology, Center of Postgraduate Medical Education, Warsaw, Poland
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Abstract
BACKGROUND Postoperative pain is common and may be severe. Postoperative administration of non-steroidal anti-inflammatory drugs (NSAIDs) reduces patient opioid requirements and, in turn, may reduce the incidence and severity of opioid-induced adverse events (AEs). OBJECTIVES To assess the analgesic efficacy and adverse effects of single-dose intravenous ketorolac, compared with placebo or an active comparator, for moderate to severe postoperative pain in adults. SEARCH METHODS We searched the following databases without language restrictions: CENTRAL, MEDLINE, Embase and LILACS on 20 April 2020. We checked clinical trials registers and reference lists of retrieved articles for additional studies. SELECTION CRITERIA Randomized double-blind trials that compared a single postoperative dose of intravenous ketorolac with placebo or another active treatment, for treating acute postoperative pain in adults following any surgery. DATA COLLECTION AND ANALYSIS We used standard methodological procedures expected by Cochrane. Our primary outcome was the number of participants in each arm achieving at least 50% pain relief over a four- and six-hour period. Our secondary outcomes were time to and number of participants using rescue medication; withdrawals due to lack of efficacy, adverse events (AEs), and for any other cause; and number of participants experiencing any AE, serious AEs (SAEs), and NSAID-related or opioid-related AEs. For subgroup analysis, we planned to analyze different doses of parenteral ketorolac separately and to analyze results based on the type of surgery performed. We assessed the certainty of evidence using GRADE. MAIN RESULTS We included 12 studies, involving 1905 participants undergoing various surgeries (pelvic/abdominal, dental, and orthopedic), with 17 to 83 participants receiving intravenous ketorolac in each study. Mean study population ages ranged from 22.5 years to 67.4 years. Most studies administered a dose of ketorolac of 30 mg; one study assessed 15 mg, and another administered 60 mg. Most studies had an unclear risk of bias for some domains, particularly allocation concealment and blinding, and a high risk of bias due to small sample size. The overall certainty of evidence for each outcome ranged from very low to moderate. Reasons for downgrading certainty included serious study limitations, inconsistency and imprecision. Ketorolac versus placebo Very low-certainty evidence from eight studies (658 participants) suggests that ketorolac results in a large increase in the number of participants achieving at least 50% pain relief over four hours compared to placebo, but the evidence is very uncertain (risk ratio (RR) 2.81, 95% confidence interval (CI) 1.80 to 4.37). The number needed to treat for one additional participant to benefit (NNTB) was 2.4 (95% CI 1.8 to 3.7). Low-certainty evidence from 10 studies (914 participants) demonstrates that ketorolac may result in a large increase in the number of participants achieving at least 50% pain relief over six hours compared to placebo (RR 3.26, 95% CI 1.93 to 5.51). The NNTB was 2.5 (95% CI 1.9 to 3.7). Among secondary outcomes, for time to rescue medication, moderate-certainty evidence comparing intravenous ketorolac versus placebo demonstrated a mean median of 271 minutes for ketorolac versus 104 minutes for placebo (6 studies, 633 participants). For the number of participants using rescue medication, very low-certainty evidence from five studies (417 participants) compared ketorolac with placebo. The RR was 0.60 (95% CI 0.36 to 1.00), that is, it did not demonstrate a difference between groups. Ketorolac probably results in a slight increase in total adverse event rates compared with placebo (74% versus 65%; 8 studies, 810 participants; RR 1.09, 95% CI 1.00 to 1.19; number needed to treat for an additional harmful event (NNTH) 16.7, 95% CI 8.3 to infinite, moderate-certainty evidence). Serious AEs were rare. Low-certainty evidence from eight studies (703 participants) did not demonstrate a difference in rates between ketorolac and placebo (RR 0.62, 95% CI 0.13 to 3.03). Ketorolac versus NSAIDs Ketorolac was compared to parecoxib in four studies and diclofenac in two studies. For our primary outcome, over both four and six hours there was no evidence of a difference between intravenous ketorolac and another NSAID (low-certainty and moderate-certainty evidence, respectively). Over four hours, four studies (337 participants) produced an RR of 1.04 (95% CI 0.89 to 1.21) and over six hours, six studies (603 participants) produced an RR of 1.06 (95% CI 0.95 to 1.19). For time to rescue medication, low-certainty evidence from four studies (427 participants) suggested that participants receiving ketorolac waited an extra 35 minutes (mean median 331 minutes versus 296 minutes). For the number of participants using rescue medication, very low-certainty evidence from three studies (260 participants) compared ketorolac with another NSAID. The RR was 0.90 (95% CI 0.58 to 1.40), that is, there may be little or no difference between groups. Ketorolac probably results in a slight increase in total adverse event rates compared with another NSAID (76% versus 68%, 5 studies, 516 participants; RR 1.11, 95% CI 1.00 to 1.23; NNTH 12.5, 95% CI 6.7 to infinite, moderate-certainty evidence). Serious AEs were rare. Low-certainty evidence from five studies (530 participants) did not demonstrate a difference in rates between ketorolac and another NSAID (RR 3.18, 95% CI 0.13 to 76.99). Only one of the five studies reported a single serious AE. AUTHORS' CONCLUSIONS The amount and certainty of evidence for the use of intravenous ketorolac as a treatment for postoperative pain varies across efficacy and safety outcomes and amongst comparators, from very low to moderate. The available evidence indicates that postoperative intravenous ketorolac administration may offer substantial pain relief for most patients, but further research may impact this estimate. Adverse events appear to occur at a slightly higher rate in comparison to placebo and to other NSAIDs. Insufficient information is available to assess whether intravenous ketorolac has a different rate of gastrointestinal or surgical-site bleeding, renal dysfunction, or cardiovascular events versus other NSAIDs. There was a lack of studies in cardiovascular surgeries and in elderly populations who may be at increased risk for adverse events.
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Affiliation(s)
- Ewan D McNicol
- Department of Anesthesiology and Perioperative Medicine, Tufts Medical Center, Boston, MA, USA
| | - McKenzie C Ferguson
- Pharmacy Practice, Southern Illinois University Edwardsville, Edwardsville, IL, USA
| | - Roman Schumann
- Department of Anesthesia, Critical Care and Pain Medicine, VA Boston Healthcare System, West Roxbury, Massachusetts, USA
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Zhou Y, Wang W, Tian K, Huang H, Jia M. Efficacy and safety of Biqi capsule in the treatment of knee osteoarthritis: A protocol of a randomized controlled trial. Medicine (Baltimore) 2021; 100:e25476. [PMID: 33879680 PMCID: PMC8078235 DOI: 10.1097/md.0000000000025476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 03/18/2021] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Knee osteoarthritis (KOA) is a chronic and degenerative bone and joint disease, with KOA, cartilage degeneration, destruction and subchondral bone remodeling as the main pathological features. Its clinical symptoms are knee pain, swelling, limited activity, and long course of disease can cause joint deformities. At present, the early treatment of Western medicine is mainly the use of nonsteroidal drugs for anti-inflammation and removing pain, but because the efficacy of these drugs is unstable, the disease is easy to repeat after treatment, and the clinical effect is not good. Although Biqi capsule has advantages in the treatment of KOA, there is a lack of standard clinical studies to verify it, so the purpose of this randomized controlled study is to evaluate the efficacy and safety of Biqi capsule in the treatment of KOA. METHODS This is a prospective randomized controlled trial to study the efficacy and safety of Biqi capsule in the treatment of KOA. The patients were randomly divided into a treatment group and a control group according to 1:1. Among them, treatment group: Biqi capsule combined with diclofenac sodium sustained release tablets; Control group: Diclofenac sodium sustained-release tablets alone. Both groups were treated with standard treatment for 2 weeks and were followed up for 30 days to pay attention to the efficacy and safety indexes. Observation indicators included: the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), Hospital for Special Surgery Knee Score (HSS), liver and kidney function, adverse reactions, and so on. SPSS 25.0 software is used for data analysis. DISCUSSION This study will evaluate the efficacy and safety of Biqi capsule in the treatment of KOA, and the results of this experiment will provide a clinical basis for Biqi capsule in the treatment of KOA. TRIAL REGISTRATION OSF Registration number: DOI 10.17605/OSF.IO/6HB9D.
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Affiliation(s)
| | - WenGang Wang
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Ke Tian
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
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12
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Abstract
BACKGROUND Trigger finger is a common hand condition that occurs when movement of a finger flexor tendon through the first annular (A1) pulley is impaired by degeneration, inflammation, and swelling. This causes pain and restricted movement of the affected finger. Non-surgical treatment options include activity modification, oral and topical non-steroidal anti-inflammatory drugs (NSAIDs), splinting, and local injections with anti-inflammatory drugs. OBJECTIVES To review the benefits and harms of non-steroidal anti-inflammatory drugs (NSAIDs) versus placebo, glucocorticoids, or different NSAIDs administered by the same route for trigger finger. SEARCH METHODS We searched CENTRAL, MEDLINE, Embase, CINAHL, CNKI (China National Knowledge Infrastructure), ProQuest Dissertations and Theses, www.ClinicalTrials.gov, and the WHO trials portal until 30 September 2020. We applied no language or publication status restrictions. SELECTION CRITERIA We searched for randomised controlled trials (RCTs) and quasi-randomised trials of adult participants with trigger finger that compared NSAIDs administered topically, orally, or by injection versus placebo, glucocorticoid, or different NSAIDs administered by the same route. DATA COLLECTION AND ANALYSIS Two or more review authors independently screened the reports, extracted data, and assessed risk of bias and GRADE certainty of evidence. The seven major outcomes were resolution of trigger finger symptoms, persistent moderate or severe symptoms, recurrence of symptoms, total active range of finger motion, residual pain, patient satisfaction, and adverse events. Treatment effects were reported as risk ratios (RRs) and mean differences (MDs) with 95% confidence intervals (CIs). MAIN RESULTS Two RCTs conducted in an outpatient hospital setting were included (231 adult participants, mean age 58.6 years, 60% female, 95% to 100% moderate to severe disease). Both studies compared a single injection of a non-selective NSAID (12.5 mg diclofenac or 15.0 mg ketorolac) given at lower than normal doses with a single injection of a glucocorticoid (triamcinolone 20 mg or 5 mg), with maximum follow-up duration of 12 weeks or 24 weeks. In both studies, we detected risk of attrition and performance bias. One study also had risk of selection bias. The effects of treatment were sensitive to assumptions about missing outcomes. All seven outcomes were reported in one study, and five in the other. NSAID injection may offer little to no benefit over glucocorticoid injection, based on low- to very low-certainty evidence from two trials. Evidence was downgraded for bias and imprecision. There may be little to no difference between groups in resolution of symptoms at 12 to 24 weeks (34% with NSAIDs, 41% with glucocorticoids; absolute effect 7% lower, 95% confidence interval (CI) 16% lower to 5% higher; 2 studies, 231 participants; RR 0.83, 95% CI 0.62 to 1.11; low-certainty evidence). The rate of persistent moderate to severe symptoms may be higher at 12 to 24 weeks in the NSAIDs group (28%) compared to the glucocorticoid group (14%) (absolute effect 14% higher, 95% CI 2% to 33% higher; 2 studies, 231 participants; RR 2.03, 95% CI 1.19 to 3.46; low-certainty evidence). We are uncertain whether NSAIDs result in fewer recurrences at 12 to 24 weeks (1%) compared to glucocorticoid (21%) (absolute effect 20% lower, 95% CI 21% to 13% lower; 2 studies, 231 participants; RR 0.07, 95% CI 0.01 to 0.38; very low-certainty evidence). There may be little to no difference between groups in mean total active motion at 24 weeks (235 degrees with NSAIDs, 240 degrees with glucocorticoid) (absolute effect 5% lower, 95% CI 34.54% lower to 24.54% higher; 1 study, 99 participants; MD -5.00, 95% CI -34.54 to 24.54; low-certainty evidence). There may be little to no difference between groups in residual pain at 12 to 24 weeks (20% with NSAIDs, 24% with glucocorticoid) (absolute effect 4% lower, 95% CI 11% lower to 7% higher; 2 studies, 231 participants; RR 0.84, 95% CI 0.54 to 1.31; low-certainty evidence). There may be little to no difference between groups in participant-reported treatment success at 24 weeks (64% with NSAIDs, 68% with glucocorticoid) (absolute effect 4% lower, 95% CI 18% lower to 15% higher; 1 study, 121 participants; RR 0.95, 95% CI 0.74 to 1.23; low-certainty evidence). We are uncertain whether NSAID injection has an effect on adverse events at 12 to 24 weeks (1% with NSAIDs, 1% with glucocorticoid) (absolute effect 0% difference, 95% CI 2% lower to 3% higher; 2 studies, 231 participants; RR 2.00, 95% CI 0.19 to 21.42; very low-certainty evidence). AUTHORS' CONCLUSIONS For adults with trigger finger, by 24 weeks' follow-up, results from two trials show that compared to glucocorticoid injection, NSAID injection offered little to no benefit in the treatment of trigger finger. Specifically, there was no difference in resolution, symptoms, recurrence, total active motion, residual pain, participant-reported treatment success, or adverse events.
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Affiliation(s)
- Mabel Qi He Leow
- Biomechanics Laboratory, Singapore General Hospital, Singapore, Singapore
| | - Qishi Zheng
- Department of Epidemiology, Singapore Clinical Research Institute, Singapore, Singapore
| | - Luming Shi
- Department of Epidemiology, Singapore Clinical Research Institute, Singapore, Singapore
| | - Shian Chao Tay
- Department of Hand Surgery, Singapore General Hospital, Singapore, Singapore
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13
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Hu S, Belcaro G, Cesarone MR, Feragalli B, Cotellese R, Dugall M, Scipione C, Scipione V, Maione C, Maramaldi G, Togni S, Riva A. A sport cream (Harpago-Boswellia-ginger-escin) for localized neck/shoulder pain. Minerva Med 2021; 112:255-260. [PMID: 32880419 DOI: 10.23736/s0026-4806.20.06819-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Neck/shoulder, sudden pain, or muscular pain (not associated to structural or bone/joints components), due to fascial or muscular strain is common in active subjects, in non-professional athletes and sports performers. The aim of this supplement registry was the evaluation of a cream based on natural, active ingredients for topical application in supporting the improvement of pain and improving head/neck mobility, possibly minimizing the use of systemic drugs. METHODS The cream includes standardized active ingredients of natural origin as an extract of Harpagophytum procumbes, an extract from Boswellia serrata, a CO2 extract of ginger and escin. Subjects were divided into three groups, all using the standard management (SM) in combination with the Sport Cream or in addition to Flector (diclofenac) patch. RESULTS The groups were comparable and homogeneous at the baseline. No side effects or skin tolerability issues were observed with the Sport Cream nor with the SM or diclofenac patches. Subjects receiving sport cream + SM reported a significant improvement in pain, stiffness, altered mobility and altered working capacity, with a reduced need for rescue medication (diclofenac) compared to subjects in the other two groups. CONCLUSIONS Finally, subjects receiving sport cream + SM reported a more remarkable decrease in skin temperature in the affected area associated to an improvement in clinical symptoms.
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Affiliation(s)
- Shu Hu
- Irvine3 Labs, Department of Medical, Oral and Biotechnological Sciences, Chieti-Pescara University, IAPSS, Pescara, Italy
- Indena, Milan, Italy
| | - Gianni Belcaro
- Irvine3 Labs, Department of Medical, Oral and Biotechnological Sciences, Chieti-Pescara University, IAPSS, Pescara, Italy -
- Indena, Milan, Italy
| | - Maria R Cesarone
- Irvine3 Labs, Department of Medical, Oral and Biotechnological Sciences, Chieti-Pescara University, IAPSS, Pescara, Italy
- Indena, Milan, Italy
| | - Beatrice Feragalli
- Irvine3 Labs, Department of Medical, Oral and Biotechnological Sciences, Chieti-Pescara University, IAPSS, Pescara, Italy
- Indena, Milan, Italy
| | - Roberto Cotellese
- Irvine3 Labs, Department of Medical, Oral and Biotechnological Sciences, Chieti-Pescara University, IAPSS, Pescara, Italy
- Indena, Milan, Italy
| | - Mark Dugall
- Irvine3 Labs, Department of Medical, Oral and Biotechnological Sciences, Chieti-Pescara University, IAPSS, Pescara, Italy
- Indena, Milan, Italy
| | - Claudia Scipione
- Irvine3 Labs, Department of Medical, Oral and Biotechnological Sciences, Chieti-Pescara University, IAPSS, Pescara, Italy
- Indena, Milan, Italy
| | - Valeria Scipione
- Irvine3 Labs, Department of Medical, Oral and Biotechnological Sciences, Chieti-Pescara University, IAPSS, Pescara, Italy
- Indena, Milan, Italy
| | - Claudia Maione
- Irvine3 Labs, Department of Medical, Oral and Biotechnological Sciences, Chieti-Pescara University, IAPSS, Pescara, Italy
- Indena, Milan, Italy
| | - Giada Maramaldi
- Irvine3 Labs, Department of Medical, Oral and Biotechnological Sciences, Chieti-Pescara University, IAPSS, Pescara, Italy
- Indena, Milan, Italy
| | - Stefano Togni
- Irvine3 Labs, Department of Medical, Oral and Biotechnological Sciences, Chieti-Pescara University, IAPSS, Pescara, Italy
- Indena, Milan, Italy
| | - Antonella Riva
- Irvine3 Labs, Department of Medical, Oral and Biotechnological Sciences, Chieti-Pescara University, IAPSS, Pescara, Italy
- Indena, Milan, Italy
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Shariare MH, Masum AA, Alshehri S, Alanazi FK, Uddin J, Kazi M. Preparation and Optimization of PEGylated Nano Graphene Oxide-Based Delivery System for Drugs with Different Molecular Structures Using Design of Experiment (DoE). Molecules 2021; 26:1457. [PMID: 33800115 PMCID: PMC7962195 DOI: 10.3390/molecules26051457] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 02/23/2021] [Accepted: 02/26/2021] [Indexed: 12/03/2022] Open
Abstract
Graphene oxide (GO), due to its 2D planar structure and favorable physical and chemical properties, has been used in different fields including drug delivery. This study aimed to investigate the impact of different process parameters on the average size of drug-loaded PEGylated nano graphene oxide (NGO-PEG) particles using design of experiment (DoE) and the loading of drugs with different molecular structures on an NGO-PEG-based delivery system. GO was prepared from graphite, processed using a sonication method, and functionalized using PEG 6000. Acetaminophen (AMP), diclofenac (DIC), and methotrexate (MTX) were loaded onto NGO-PEG particles. Drug-loaded NGO-PEG was then characterized using dynamic light scattering (DLS), Fourier transform infrared (FTIR), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), XRD. The DLS data showed that the drug-loaded NGO-PEG suspensions were in the size range of 200 nm-1.3 µm. The sonication time and the stirring rate were found to be the major process parameters which affected the average size of the drug-loaded NGO-PEG. FTIR, DSC, XRD, and SEM demonstrated that the functionalization or coating of the NGO occurred through physical interaction using PEG 6000. Methotrexate (MTX), with the highest number of aromatic rings, showed the highest loading efficiency of 95.6% compared to drugs with fewer aromatic rings (diclofenac (DIC) 70.5% and acetaminophen (AMP) 65.5%). This study suggests that GO-based nano delivery systems can be used to deliver drugs with multiple aromatic rings with a low water solubility and targeted delivery (e.g., cancer).
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Affiliation(s)
- Mohammad Hossain Shariare
- Department of Pharmaceutical Sciences, North South University, Dhaka 1229, Bangladesh; (M.H.S.); (A.-A.M.)
| | - Abdullah-Al Masum
- Department of Pharmaceutical Sciences, North South University, Dhaka 1229, Bangladesh; (M.H.S.); (A.-A.M.)
| | - Sultan Alshehri
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (F.K.A.)
| | - Fars K. Alanazi
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (F.K.A.)
| | - Jamal Uddin
- Center for Nanotechnology, Department of Natural Sciences, Coppin State University, Baltimore, MD 21216, USA;
| | - Mohsin Kazi
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (F.K.A.)
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Bussin E, Cairns B, Gerschman T, Fredericson M, Bovard J, Scott A. Topical diclofenac vs placebo for the treatment of chronic Achilles tendinopathy: A randomized controlled clinical trial. PLoS One 2021; 16:e0247663. [PMID: 33661967 PMCID: PMC7932128 DOI: 10.1371/journal.pone.0247663] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 02/11/2021] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION The application of topical diclofenac has been suggested as a possible treatment for Achilles tendinopathy. Our aim was to answer the question, is topical diclofenac more effective than placebo for the treatment of Achilles tendinopathy?. METHODS 67 participants with persistent midportion or insertional Achilles tendinopathy were randomly assigned to receive a 4 week course of 10% topical diclofenac (n = 32) or placebo (n = 35). The a priori primary outcome measure was change in severity of Achilles tendinopathy (VISA-A score) at 4 and 12 weeks. Secondary outcome measures included numeric pain rating, and patient-reported change in symptoms using a 7 point scale, from substantially worse to substantially better. Pressure pain threshold (N) and transverse tendon stiffness (N/m) were measured over the site of maximum Achilles tendon pathology at baseline and 4 weeks. RESULTS There were no statistically or clinically significant differences between the diclofenac and placebo groups in any of the primary or secondary outcome measures at any timepoint. Average VISA-A score improved in both groups (p<0.0001), but the improvements were marginal: at 4 weeks, the improvements in VISA-A were 9 (SD 11) in the diclofenac group and 8 (SD 12) in the placebo group, and at 12 weeks the improvements were 9 (SD 16) and 11 (SD13) respectively-these average changes are smaller than the minimum clinically important difference of the VISA-A. CONCLUSION The regular application of topical diclofenac for Achilles tendinopathy over a 4 week period was not associated with superior clinical outcomes to that achieved with placebo.
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Affiliation(s)
- Erin Bussin
- Fortius Sports Medicine, Burnaby, British Columbia, Canada
| | - Brian Cairns
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, Canada
| | - Tommy Gerschman
- Department of Pediatrics, University of British Colombia, Vancouver, Canada
| | - Michael Fredericson
- Department of Orthpaedic Surgery, Stanford University, Stanford, California, United States of America
| | - Jim Bovard
- Department of Family Practice, University of British Columbia, Vancouver, Canada
| | - Alex Scott
- Department of Physical Therapy, University of British Columbia, Vancouver, Canada
- * E-mail:
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Wen X, Huang X, Wu H. Development of a novel intraarticular injection of diclofenac for the treatment of arthritis: a preclinical study in the rabbit model. Acta Biochim Pol 2021; 68:71-76. [PMID: 33480230 DOI: 10.18388/abp.2020_5401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 11/10/2020] [Indexed: 11/10/2022]
Abstract
PURPOSE To develop a novel intraarticular injection of diclofenac for the treatment of arthritis. METHOD Diclofenac loaded nanoparticles were prepared by a nanoprecipitation technique using Eudragit L 100 as the polymer and polyvinyl alcohol as the surfactant. The nanoparticles were evaluated for particle size, zeta potential, scanning electron microscopy, drug release, encapsulation efficiency, and loading efficiency studies. The optimized nanoparticulate formulation was developed for intra articular injection. Intraarticulate injection was evaluated for pH, appearance, viscosity, osmolarity and syringability studies. The optimized injection formulation was tested in an arthritic model consisting of 25 rabbits. RESULT Nanoprecipitation method was found to be suitable for diclofenac nanoparticles. The shape of the prepared nanoparticles was found to be spherical and devoid of any cracks and crevices. The average particle size of a diclofenac nanoparticle was found to range from 87±0.47 to 103±0.26 nm. The zeta potential of the prepared nanoparticles was found to be in the range of 0.598±0.34 to 0.826±0.25 mV. The encapsulation efficiency was found to be between 73.45% to 99.03%, while the drug loading was observed between 10.34 to 35.32%. The percentage drug release at 12 hours was found to range from 73.45% to 99.03%. CONCLUSION The developed intraarticular injection was found to be within the physically and chemically accepted limits. Animals treated with the intra articular injection of diclofenac showed a significant reduction in swelling as compares to the other groups.
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Affiliation(s)
- Xinyuan Wen
- Department of Pain, First Affiliated Hospital, Gannan University, Ganzhou, Jiangxi, 341000, China
| | - Xiaoqing Huang
- Department of Pain, Affiliated Hospital of Jinggangshan University, Ji an, Jiangxi, 343000, China
| | - Huosheng Wu
- Department of Pain, Affiliated Hospital of Jinggangshan University, Ji an, Jiangxi, 343000, China
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Arany P, Papp I, Zichar M, Csontos M, Elek J, Regdon G, Budai I, Béres M, Gesztelyi R, Fehér P, Ujhelyi Z, Vasvári G, Haimhoffer Á, Fenyvesi F, Váradi J, Miklós V, Bácskay I. In Vitro Tests of FDM 3D-Printed Diclofenac Sodium-Containing Implants. Molecules 2020; 25:E5889. [PMID: 33322100 PMCID: PMC7764218 DOI: 10.3390/molecules25245889] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 12/09/2020] [Accepted: 12/10/2020] [Indexed: 01/29/2023] Open
Abstract
One of the most promising emerging innovations in personalized medication is based on 3D printing technology. For use as authorized medications, 3D-printed products require different in vitro tests, including dissolution and biocompatibility investigations. Our objective was to manufacture implantable drug delivery systems using fused deposition modeling, and in vitro tests were performed for the assessment of these products. Polylactic acid, antibacterial polylactic acid, polyethylene terephthalate glycol, and poly(methyl methacrylate) filaments were selected, and samples with 16, 19, or 22 mm diameters and 0%, 5%, 10%, or 15% infill percentages were produced. The dissolution test was performed by a USP dissolution apparatus 1. A 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide dye (MTT)-based prolonged cytotoxicity test was performed on Caco-2 cells to certify the cytocompatibility properties. The implantable drug delivery systems were characterized by thermogravimetric and heatflow assay, contact angle measurement, scanning electron microscopy, microcomputed tomography, and Raman spectroscopy. Based on our results, it can be stated that the samples are considered nontoxic. The dissolution profiles are influenced by the material properties of the polymers, the diameter, and the infill percentage. Our results confirm the potential of fused deposition modeling (FDM) 3D printing for the manufacturing of different implantable drug delivery systems in personalized medicine and may be applied during surgical interventions.
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Affiliation(s)
- Petra Arany
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei Körút 98, H-4032 Debrecen, Hungary; (P.A.); (P.F.); (Z.U.); (G.V.); (Á.H.); (F.F.); (J.V.); (V.M.)
- Doctoral School of Pharmaceutical Sciences, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
| | - Ildikó Papp
- Department of Computer Graphics and Image Processing, Faculty of Informatics, University of Debrecen, Kassai út 26, H-4028 Debrecen, Hungary; (I.P.); (M.Z.)
| | - Marianna Zichar
- Department of Computer Graphics and Image Processing, Faculty of Informatics, University of Debrecen, Kassai út 26, H-4028 Debrecen, Hungary; (I.P.); (M.Z.)
| | - Máté Csontos
- Department of Physical Chemistry, Faculty of Science and Technology, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary;
| | - János Elek
- Science Port Kft., Varró utca 21, H-5300 Karcag, Hungary;
| | - Géza Regdon
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary;
| | - István Budai
- Faculty of Engineering, University of Debrecen, Ótemető utca 2-4, H-4028 Debrecen, Hungary;
| | - Mónika Béres
- Department of Medical Imaging, University of Debrecen, Nagyerdei Krt. 98, H-4032 Debrecen, Hungary;
| | - Rudolf Gesztelyi
- Department of Pharmacology and Pharmacotherapy, University of Debrecen, Nagyerdei Körút 98, H-4032 Debrecen, Hungary;
| | - Pálma Fehér
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei Körút 98, H-4032 Debrecen, Hungary; (P.A.); (P.F.); (Z.U.); (G.V.); (Á.H.); (F.F.); (J.V.); (V.M.)
| | - Zoltán Ujhelyi
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei Körút 98, H-4032 Debrecen, Hungary; (P.A.); (P.F.); (Z.U.); (G.V.); (Á.H.); (F.F.); (J.V.); (V.M.)
| | - Gábor Vasvári
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei Körút 98, H-4032 Debrecen, Hungary; (P.A.); (P.F.); (Z.U.); (G.V.); (Á.H.); (F.F.); (J.V.); (V.M.)
| | - Ádám Haimhoffer
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei Körút 98, H-4032 Debrecen, Hungary; (P.A.); (P.F.); (Z.U.); (G.V.); (Á.H.); (F.F.); (J.V.); (V.M.)
| | - Ferenc Fenyvesi
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei Körút 98, H-4032 Debrecen, Hungary; (P.A.); (P.F.); (Z.U.); (G.V.); (Á.H.); (F.F.); (J.V.); (V.M.)
| | - Judit Váradi
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei Körút 98, H-4032 Debrecen, Hungary; (P.A.); (P.F.); (Z.U.); (G.V.); (Á.H.); (F.F.); (J.V.); (V.M.)
| | - Vecsernyés Miklós
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei Körút 98, H-4032 Debrecen, Hungary; (P.A.); (P.F.); (Z.U.); (G.V.); (Á.H.); (F.F.); (J.V.); (V.M.)
| | - Ildikó Bácskay
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Debrecen, Nagyerdei Körút 98, H-4032 Debrecen, Hungary; (P.A.); (P.F.); (Z.U.); (G.V.); (Á.H.); (F.F.); (J.V.); (V.M.)
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Tantowi NACA, Mohamed S, Lau SF, Hussin P. Comparison of diclofenac with apigenin-glycosides rich Clinacanthus nutans extract for amending inflammation and catabolic protease regulations in osteoporotic-osteoarthritis rat model. Daru 2020; 28:443-453. [PMID: 32388789 PMCID: PMC7704886 DOI: 10.1007/s40199-020-00343-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 03/30/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Osteoporotic-osteoarthritis is an incapacitating musculoskeletal illness of the aged. OBJECTIVES The anti-inflammatory and anti-catabolic actions of Diclofenac were compared with apigenin-C-glycosides rich Clinacanthus nutans (CN) leaf extract in osteoporotic-osteoarthritis rats. METHODS Female Sprague Dawley rats were randomized into five groups (n = 6). Four groups were bilateral ovariectomised for osteoporosis development, and osteoarthritis were induced by intra-articular injection of monosodium iodoacetate (MIA) into the right knee joints. The Sham group was sham-operated, received saline injection and deionized drinking water. The treatment groups were orally given 200 or 400 mg extract/kg body weight or 5 mg diclofenac /kg body weight daily for 28 days. Articular cartilage and bone changes were monitored by gross and histological structures, micro-CT analysis, serum protein biomarkers, and mRNA expressions for inflammation and catabolic protease genes. RESULTS HPLC analysis confirmed that apigenin-C-glycosides (shaftoside, vitexin, and isovitexin) were the major compounds in the extract. The extract significantly and dose-dependently reduced cartilage erosion, bone loss, cartilage catabolic changes, serum osteoporotic-osteoarthritis biomarkers (procollagen-type-II-N-terminal-propeptide PIINP; procollagen-type-I-N-terminal-propeptide PINP; osteocalcin), inflammation (IL-1β) and mRNA expressions for nuclear-factor-kappa-beta NF-κβ, interleukin-1-beta IL-1β, cyclooxygenase-2; and matrix-metalloproteinase-13 MMP13 activities, in osteoporotic-osteoarthritis rats comparable to Diclofenac. CONCLUSION This study demonstrates that apigenin-C-glycosides at 400 mg CN extract/kg (about 0.2 mg apigenin-equivalent/kg) is comparable to diclofenac in suppressing inflammation and catabolic proteases for osteoporotic-osteoarthritis prevention. Graphical abstract.
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Affiliation(s)
- Nur Adeelah Che Ahmad Tantowi
- UPM-MAKNA Laboratory of Cancer Research, Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
- Lancaster Medical School, Lancaster University, Lancashire, UK
| | - Suhaila Mohamed
- UPM-MAKNA Laboratory of Cancer Research, Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
| | - Seng Fong Lau
- Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, Serdang, Malaysia
| | - Paisal Hussin
- Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, UPM, Serdang, Malaysia
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Iftime MM, Dobreci DL, Irimiciuc SA, Agop M, Petrescu T, Doroftei B. A theoretical mathematical model for assessing diclofenac release from chitosan-based formulations. Drug Deliv 2020; 27:1125-1133. [PMID: 32720542 PMCID: PMC7470131 DOI: 10.1080/10717544.2020.1797242] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 07/01/2020] [Accepted: 07/07/2020] [Indexed: 01/26/2023] Open
Abstract
The paper reports a new mathematical model for understanding the mechanism delivery from drug release systems. To do this, two drug release systems based on chitosan and diclofenac sodium salt as a drug model, were prepared by in situ hydrogelation in the presence of salicylaldehyde. The morphology of the systems was analyzed by scanning electron microscopy and polarized light microscopy and the drug release was in vitro investigated into a medium mimicking the in vivo environment. The drug release mechanism was firstly assessed by fitting the in vitro release data on five traditional mathematical model. In the context of pharmacokinetics behavioral analysis, a new mathematical procedure for describing drug release dynamics in polymer-drug complex systems was proposed. Assuming that the dynamics of polymer-drug system's structural units take place on continuous and nondifferentiable curves (multifractal curves), it was showed that in a one-dimensional hydrodynamic formalism of multifractal variables the drug release mechanism is given through synchronous dynamics at a differentiable and non-differentiable scale resolutions.
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Affiliation(s)
- Manuela Maria Iftime
- Petru Poni Institute of Macromolecular Chemistry, Romanian Academy of Sciences, Iasi, Romania
| | - Daniel Lucian Dobreci
- Department of Physical and Occupational Therapy, Vasile Alecsandri University of Bacau, Bacău, Romania
| | | | - Maricel Agop
- Department of Structural Mechanics, “Gh. Asachi” Technical University of Iasi, Iasi, Romania
| | - Tudor Petrescu
- Department of Physics, “Gh. Asachi” Technical University of Iasi, Iasi, Romania
| | - Bogdan Doroftei
- Origyn Fertility Center, Clinical Hospital of Obstetrics and Gynaecology, “Grigore T. Popa” University of Medicine and Pharmacy, Iași, Romania
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Rahim H, Sadiq A, Ullah R, Bari A, Amin F, Farooq U, Ullah Jan N, Mahmood HM. Formulation of Aceclofenac Tablets Using Nanosuspension as Granulating Agent: An Attempt to Enhance Dissolution Rate and Oral Bioavailability. Int J Nanomedicine 2020; 15:8999-9009. [PMID: 33235448 PMCID: PMC7680606 DOI: 10.2147/ijn.s270746] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 10/07/2020] [Indexed: 11/23/2022] Open
Abstract
PURPOSE The aim of the studies was to fabricate aceclofenac (AC) tablets using nanosuspension as granulating fluid to boost its rate of in vitro dissolution and eventually its oral bioavailability. METHODS The optimized nanosuspension with particle size of 112±2.01 nm was fabricated using HPMC 1% (w/v), PVP-K30 1% (w/v) and SLS 0.12% (w/v) at 400 watts of ultrasonication energy for 15 min duration and 3 sec pause. Then, the optimized aceclofenac nanosuspension was used as granulating fluid for aceclofenac tablets formulation. The characterization was performed using Malvern zetasizer, SEM, TEM, DSC and P-XRD. The granules were evaluated for the bulk and tapped densities, Hausner's ratio, angle of repose and their resulted values were found within limit. The prepared tablets were tested for average weight, hardness, friability, disintegration, dissolution and in vivo bioavailability in rabbits. RESULTS The in vitro dissolution data showed the boosted rate of nanosuspension-based tablets compared to the microsuspension-based tablets. The in vivo bioavailability (in rabbits model) of aceclofenac nanosuspension-based tablets (ACN-1, ACN-2) proved an improved absorption as in comparison to the marketed formulation. The Cmax and AUC0→24 of ACN-1 and ACN-2 were 1.53-fold, 1.48-fold and 2.23-fold, 2.0-fold greater than that of the marketed drug, and were 1.74-fold, 1.68-fold and 2.3-fold, 2.21-fold greater in comparison to raw drug. CONCLUSION This boosted in vitro and in vivo bioavailability may be attributed to reduced particle size of aceclofenac nanoformulations used in tablets. Finally, this will result in faster absorption of these fabricated tablets.
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Affiliation(s)
- Haroon Rahim
- Department of Pharmacy, Sarhad University of Science and Information Technology, Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Abdul Sadiq
- Department of Pharmacy, University of Malakand, Chakdara, Khyber Pakhtunkhwa, Pakistan
| | - Riaz Ullah
- Department of Pharmacognosy (MAPPRC), College of Pharmacy, King Saud University Riyadh, Riyadh, Saudi Arabia
| | - Ahmed Bari
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University Riyadh, Riyadh, Saudi Arabia
| | - Fazli Amin
- Department of Pharmacy, Sarhad University of Science and Information Technology, Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Umar Farooq
- Legacy Pharmaceutical (Pvt.) Ltd., Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Naeem Ullah Jan
- Department of Pharmacy, Sarhad University of Science and Information Technology, Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Hafiz Majid Mahmood
- Department of Pharmacology, College of Pharmacy, King Saud University Riyadh, Riyadh, Saudi Arabia
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Meloncelli S, Divizia M, Germani G. Efficacy and tolerability of orally administered tramadol/dexketoprofen fixed-dose combination compared to diclofenac/thiocolchicoside in acute low back pain: experience from an Italian, single-centre, observational study. Curr Med Res Opin 2020; 36:1687-1693. [PMID: 32838578 DOI: 10.1080/03007995.2020.1814228] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
OBJECTIVES To compare the analgesic efficacy and tolerability of tramadol/dexketoprofen 75/25 mg (TRAM/DKP) versus diclofenac/thiocolchicoside 75/4 mg (DIC/THIO) in patients with moderate-to-severe acute low back pain (LBP). METHODS Single-centre, observational study in 82 adult outpatients with LBP due to disc herniation (≥4 Numerical Rating scale, NRS) who received either oral TRAM/DKP (n = 44) or intramuscular DIC/THIO (n = 38), both given every 12 h for 5 days. The primary endpoint was the change from baseline in pain intensity (PI) at pre-specified post-dose time points (t day1, t day3, t day7) and compared between the two treatments. Additional endpoints, all evaluated at day 7, included: the sum of PI difference (SPID), percentage of responders in terms of PI reduction versus baseline and change from baseline in Douleur Neuropathique (DN4) score. Tolerability and safety were also assessed. RESULTS Both treatment groups were comparable for demographic characteristics and comorbidities. Over the 5-day treatment period and up to day 7, compared to DIC/THIO, TRAM/DKP provided a significantly greater and sustained analgesia at day 3 and day 7 (p < .0001), with a higher proportion of responders at each time point [75% versus 71.1% (p = 0.687) at day 1, 93.2% versus 73.7% at day 3 (p = .016) and 95.5% versus 71.1% at day 7 (p = .003)], higher values of SPID (770.9 ± 23.5 vs. 507.1 ± 22.6; p < .0001) and significantly greater reduction in DN4 score [-62.7 ± 25.6 vs. -39.7 ± 31.2 (p < .0001)]. Both treatments were well tolerated. CONCLUSIONS Orally administered TRAM/DKP 75/25 mg can be a valuable and effective option in patients with acute LBP.
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Jianxian C, Saleem K, Ijaz M, Ur-Rehman M, Murtaza G, Asim MH. Development and in vitro Evaluation of Gastro-protective Aceclofenac-loaded Self-emulsifying Drug Delivery System. Int J Nanomedicine 2020; 15:5217-5226. [PMID: 32801687 PMCID: PMC7384876 DOI: 10.2147/ijn.s250242] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 06/15/2020] [Indexed: 12/12/2022] Open
Abstract
AIM Chronic use of oral nonsteroidal anti-inflammatory drugs (NSAIDs) is commonly associated with gastric irritation and gastric ulceration. Therefore, the aim of study was to develop a novel oral drug delivery system with minimum gastric effects and improved dissolution rate for aceclofenac (ACF), a model BCS class-II drug. METHODS Self-emulsifying drug delivery systems (SEDDS) were formulated to increase the solubility and ultimately the oral bioavailability of ACF. Oleic acid was used as an oil phase, Tween 80 (T80) and Kolliphor EL (KEL) were used as surfactants, whereas, polyethylene glycol 400 (PEG 400) and propylene glycol (PG) were employed as co-surfactants. Optimized formulations (F1, F2, F3 and F4) were analyzed for droplet size, poly dispersity index (PDI), cell viability studies, in vitro dissolution in both simulated gastric fluid and simulated intestinal fluid, ex vivo permeation studies and thermodynamic stability. RESULTS The optimized formulations showed mean droplet sizes in the range of 111.3 ± 3.2 nm and 470.9 ± 12.52 nm, PDI from 244.6 nm to 389.4 ± 6.51 and zeta-potential from -33 ± 4.86 mV to -38.5 ± 5.15 mV. Cell viability studies support the safety profile of all formulations for oral administration. The in vitro dissolution studies and ex vivo permeation analysis revealed significantly improved drug release ranging from 95.68 ± 0.02% to 98.15 ± 0.71% when compared with control. The thermodynamic stability studies confirmed that all formulations remain active and stable for a longer period. CONCLUSION In conclusion, development of oral SEDDS might be a promising tool to improve the dissolution of BCS class-II drugs along with significantly reduced exposure to gastric mucosa.
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Affiliation(s)
- Chen Jianxian
- School of Economics, Capital University of Economics and Business, Beijing, People’s Republic of China
- Chapter of traditional Chinese Medicine, China Information Industry Association, Beijing, China
| | - Kalsoom Saleem
- Riphah Institute of Pharmaceutical Sciences, Islamabad, Pakistan
| | - Muhammad Ijaz
- COMSATS University Islamabad, Lahore Campus, Lahore54000, Pakistan
| | - Masood Ur-Rehman
- Riphah Institute of Pharmaceutical Sciences, Islamabad, Pakistan
| | - Ghulam Murtaza
- COMSATS University Islamabad, Lahore Campus, Lahore54000, Pakistan
| | - Mulazim Hussain Asim
- Institute of Pharmaceutical Technology, University of Innsbruck, Innsbruck6020, Austria
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Al-Dossari MH, Fadda LM, Attia HA, Hasan IH, Mahmoud AM. Curcumin and Selenium Prevent Lipopolysaccharide/Diclofenac-Induced Liver Injury by Suppressing Inflammation and Oxidative Stress. Biol Trace Elem Res 2020; 196:173-183. [PMID: 31654258 DOI: 10.1007/s12011-019-01910-4] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 09/20/2019] [Indexed: 02/06/2023]
Abstract
Diclofenac (DCL), an anti-inflammatory drug used to reduce pain and inflammation, ranks in the top causes of drug-induced liver injury. The inflammatory stress induced by inflammagens is implicated in DCL-induced liver injury. Curcumin (CUR) and selenium (Se) possess anti-inflammatory effects; therefore, this study evaluated their protective potential against lipopolysaccharide (LPS)/DCL-induced liver injury. Rats received CUR and/or Se for 7 days followed by a single intravenous administration of LPS 2 h before a single injection of DCL and two other doses of CUR and/or Se 2 and 8 h after DCL. Administration of nontoxic doses of LPS and DCL resulted in liver damage evidenced by the significantly elevated liver function markers in serum. LPS/DCL-induced liver injury was confirmed by histological alterations, increased lipid peroxidation and nitric oxide, and diminished glutathione and superoxide dismutase. CUR and/or Se prevented liver injury, histological alterations, and oxidative stress and boosted antioxidant defenses in LPS/DCL-induced rats. In addition, CUR and/or Se reduced serum C-reactive protein, liver pro-inflammatory cytokines, and the expression of TLR4, NF-κB, JNK, and p38, and upregulated heme oxygenase-1 (HO-1). In conclusion, CUR and/or Se mitigated LPS/DCL-induced liver injury in rats by suppressing TLR4 signaling, inflammation, and oxidative stress and boosting HO-1 and other antioxidants. Therefore, CUR and Se can hinder the progression and severity of liver injury during acute inflammatory episodes.
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Affiliation(s)
- Manal H Al-Dossari
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Laila M Fadda
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Hala A Attia
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
- Department of Biochemistry, College of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Iman H Hasan
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Ayman M Mahmoud
- Physiology Division, Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef, 62514, Egypt.
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Martabano BB, Henriksen MDL, Colussi JA, Sharp JL, Wang Z, Lappin MR. Effect of topical administration of 0.1% diclofenac sodium ophthalmic solution at four frequencies on intraocular pressure in healthy Beagles. Am J Vet Res 2020; 81:41-46. [PMID: 31887086 DOI: 10.2460/ajvr.81.1.41] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To evaluate effects of topical ophthalmic administration of diclofenac on intraocular pressure (IOP) when applied at 4 frequencies to eyes of Beagles. ANIMALS 8 ophthalmologically normal Beagles. PROCEDURES The study involved four 5-day experimental periods each separated by a 16-day washout period. During each period, 1 drop of 0.1% diclofenac sodium ophthalmic solution was administered to the right eye at 4 treatment frequencies (1, 2, 3, or 4 times/d); 1 drop of eyewash was administered to the left eye as a control treatment. A complete ophthalmic examination was performed on days 0 (day before first treatment) and 5 of each experimental period. Gonioscopy was performed on day 0 of the first period. The IOPs were measured at 7 am and 7 pm on days 1 through 5. RESULTS No abnormalities were detected during neuro-ophthalmic and ophthalmic examinations on day 0 of each experimental period. No adverse reactions to administration of diclofenac or eyewash were observed at any time point. No abnormalities were detected during ophthalmic examinations performed on day 5, and IOPs remained < 25 mm Hg in all 4 periods. No significant differences were identified between the treated and control eyes or among the 4 treatment frequencies. CONCLUSIONS AND CLINICAL RELEVANCE Topical ophthalmic administration of diclofenac up to 4 times/d in dogs with no ophthalmic abnormalities did not significantly increase the IOP. Additional research is needed to evaluate the effect of topical ophthalmic administration of diclofenac on IOP in dogs with anterior uveitis.
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Rankin AJ, KuKanich KS, Schermerhorn T, Bello NM, Huey JA, Fentiman KE, Meekins JM. Evaluation of diabetes mellitus regulation in dogs treated with ophthalmic preparations of prednisolone acetate versus diclofenac sodium. Am J Vet Res 2020; 80:1129-1135. [PMID: 31763946 DOI: 10.2460/ajvr.80.12.1129] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To evaluate and compare regulation of diabetes mellitus (DM) in dogs with cataracts and well-controlled DM that received an ophthalmic preparation of prednisolone acetate versus diclofenac sodium. ANIMALS 22 client-owned dogs with cataracts and well-controlled DM. PROCEDURES A prospective, randomized, double-masked, experimental study was conducted. On days 0 and 32, serum fructosamine concentrations (SFCs), clinical scores, and body weights were determined. Dogs were assigned to receive a topically administered ophthalmic preparation of either prednisolone acetate 1% or diclofenac sodium 0.1% in each eye 4 times daily for 28 days. Data analysis was conducted with generalized linear mixed models. RESULTS Findings indicated no meaningful differences in SFCs, clinical scores, or body weights between the treatment groups on days 0 or 32. Clinical score on day 0 was positively associated with SFC, as indicated by the corresponding rate of change such that each 1 -unit increase in clinical score was associated with an approximately 45.6 ± 9.4 μmol/L increase in SFC. In addition, the least squares mean ± SEM SFC was higher in spayed females (539.20 ± 19.23 μmol/L; n = 12) than in castrated males (458.83 ± 23.70 μmol/L; 8) but did not substantially differ between sexually intact males (446.27 ± 49.72 μmol/L; 2) and spayed females or castrated males regardless of the treatment group assigned. CONCLUSIONS AND CLINICAL RELEVANCE Findings indicated no evidence for any differential effect on DM regulation (assessed on the basis of SFCs, clinical scores, and body weights) in dogs treated topically with an ophthalmic preparation of prednisolone versus an ophthalmic preparation of diclofenac. Additional research investigating plasma concentrations of topically applied ophthalmic glucocorticoid medications is warranted. (Am J Vet Res 2019;80:1129-1135).
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Abstract
Aim: The objective was to systematically review the efficacy and safety of topical diclofenac in both acute and chronic musculoskeletal pain in adults.Methods: We used standard Cochrane methods. Searches were conducted in MEDLINE, EMBASE and The Cochrane Register of Studies; date of the final search was November 2018. Included studies were randomized, double blinded, with ten or more participants per treatment arm. The primary outcome of "clinical success" was defined as participant-reported reduction in pain of at least 50%. Details of adverse events (AEs) were recorded.Results: For acute pain, 23 studies (5170 participants) were included. Compared to placebo, number needed to treat (NNT) for different formulations were as follows: diclofenac plaster, 4.7 (95% CI 3.7-6.5); diclofenac plaster with heparin, 7.4 (95% CI 4.6-19); and diclofenac Emulgel, 1.8 (95% CI 1.5-2.1). 4.1% (78/1919) reported a local AE. For chronic pain, 21 studies (26 publications) with 5995 participants were included. Formulations included gel, solution with or without DMSO, emulsion and plaster. A clinical success rate of ∼60% (NNT 9.5 [95% CI 7-14.7]) was achieved with a variety of formulations. Local AEs (∼14%) were similar for both diclofenac and placebo.Conclusion: This systematic review of 11,000+ participants demonstrates that topical diclofenac is effective for acute pain, such as sprains, with minimal AEs. The effectiveness of topical diclofenac was also demonstrated in chronic musculoskeletal pain but with a higher NNT (worse) compared with acute pain. Formulation does play a part in effectiveness but needs further studies.
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Affiliation(s)
- Philip J Wiffen
- Pain Research Unit, Churchill Hospital, Oxford University Hospitals, Oxford, UK
| | - Jun Xia
- The Nottingham China Health Institute, The University of Nottingham Ningbo, Ningbo, Zhejiang, China
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Zhang K, Yuan G, Werdich AA, Zhao Y. Ibuprofen and diclofenac impair the cardiovascular development of zebrafish (Danio rerio) at low concentrations. Environ Pollut 2020; 258:113613. [PMID: 31838392 DOI: 10.1016/j.envpol.2019.113613] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 11/08/2019] [Accepted: 11/10/2019] [Indexed: 06/10/2023]
Abstract
The non-steroidal anti-inflammatory drugs (NSAIDs) ibuprofen and diclofenac are highly prescribed worldwide and their presence in aquatic system may pose a potential risk to aquatic organisms. Here, we systematically assessed their cardiovascular disruptive effects in zebrafish (Danio rerio) at environmentally relevant concentrations between 0.04 and 25.0 μg/L. Ibuprofen significantly increased the cardiac outputs of zebrafish embryos at actual concentrations of 0.91, 4.3 and 21.9 μg/L. It up-regulated the blood cell velocity, total blood flow and down-regulated the blood cell density at concentrations of 4.3 μg/L and higher. In comparison, diclofenac led to inhibition of spontaneous muscle contractions and decreased hatching rate of zebrafish embryos at the highest concentration (24.1 μg/L), while it had negligible effects on the cardiac physiology and hemodynamics. Transcriptional analysis of biomarker genes involved in cardiovascular physiology, such as the significantly up-regulated nppa and nkx2.5 expressions response to ibuprofen but not to diclofenac, is consistent with these observations. In addition, both ibuprofen and diclofenac altered the morphology of intersegmental vessels at high concentrations. Our results revealed unexpected cardiovascular functional alterations of NSAIDs to fish at environmental or slightly higher than surface water concentrations and thus provided novel insights into the understanding of their potential environmental risks.
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Affiliation(s)
- Kun Zhang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China
| | - Guanxiang Yuan
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Andreas A Werdich
- Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Yanbin Zhao
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China.
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Li M, Lan J, Li X, Xin M, Wang H, Zhang F, Lu X, Zhuang Z, Wu X. Novel ultra-small micelles based on ginsenoside Rb1: a potential nanoplatform for ocular drug delivery. Drug Deliv 2019; 26:481-489. [PMID: 30957571 PMCID: PMC6461112 DOI: 10.1080/10717544.2019.1600077] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 03/20/2019] [Accepted: 03/23/2019] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVES Ginsenosides Rb1 (Rb1) could form micelles in aqueous solutions. Self-assembled Rb1 micelles could potentially be utilized as ocular drug delivery system, and it was postulated that the encapsulation of a medicine within Rb1 micelles might strengthen the drug's therapeutic action and reduce side effects. METHODS Diclofenac-loaded Rb1 micelles (Rb1-Dic micelles) were formulated, optimized, and then further evaluated for in vitro cytotoxicity/in vivo ocular irritation, in vivo corneal permeation, and in vivo anti-inflammatory efficacy. RESULTS Rb1 self-assembled into micelles with ultra-small particle size (<8 nm) in a homogeneous distribution state (polydispersity index [PDI] < 0.3). Diclofenac was highly encapsulated into the micelles according to the weight ratios of Rb1 to diclofenac. The ophthalmic solution of Rb1-Dic micelle was simple to prepare. Rb1 had good cellular tolerance, and it also improved the cellular tolerance of the encapsulated diclofenac. Rb1-Dic micelles also showed non-irritants to the rabbit eyes. The use of Rb1 micelles significantly improved the in vivo corneal permeation as well as the anti-inflammatory efficacy of diclofenac when compared to commercial diclofenac eye drops. CONCLUSION Rb1 micelle formulations have great potential as a novel ocular drug delivery system to improve the bioavailability of drugs such as diclofenac.
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Affiliation(s)
- Mengshuang Li
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
- Qingdao Women and Children’s Hospital, Pharmacy Intravenous Admixture Services, Qingdao, China
| | - Jie Lan
- Qingdao Eye Hospital, Shandong Eye Institute, Shandong Academy of Medical Sciences, Qingdao, China
| | - Xuefei Li
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Meng Xin
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
- Department of Ophthalmology, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, China
| | - Hui Wang
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Fan Zhang
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Xiaohong Lu
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Zengfang Zhuang
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Xianggen Wu
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
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Pleguezuelos-Villa M, Merino-Sanjuán M, Hernández MJ, Nácher A, Peris D, Hidalgo I, Soler L, Sallan M, Merino V. Relationship between rheological properties, in vitro release and in vivo equivalency of topical formulations of diclofenac. Int J Pharm 2019; 572:118755. [PMID: 31715355 DOI: 10.1016/j.ijpharm.2019.118755] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 09/27/2019] [Accepted: 09/30/2019] [Indexed: 11/17/2022]
Abstract
Determination of bioequivalence remains a challenge in generic topical drug development. To support pharmacokinetic studies, strategies to demonstrate microstructure sameness of the products being compared include in vitro evaluations, such as the comparison of rheological properties, droplet size and in vitro release rates. Nevertheless, defining the appropriate acceptance range to consider equivalence between test and reference formulation is complex. To shed more light into this issue, in vitro release and rheological properties were compared to in vivo bioequivalence data (systemic blood measurements within a clinical trial) after topical application of a single dose. Test and reference formulations of diclofenac diethylamine emulgels were evaluated. While the test formulation met the requirements for equivalence in both the in vivo bioequivalence and in vitro release study, the rheological properties were considered equivalent depending on the criteria used. The 90% confidence interval of the ratios between geometric mean values of both formulations were within the limits of 75-133%, but outside the 90-111% limit under discussion in the scientific community. Altogether these data indicate that differences beyond ±10% between rheological parameters of test and reference formulation might not translate into meaningful release nor bioavailability divergence.
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Affiliation(s)
- María Pleguezuelos-Villa
- Departamento de Farmacia y Tecnología Farmacéutica y Parasitología, Facultad de Farmacia, Universitat de València, Av. Vicente Andrés Estelles s/n, Burjassot, Valencia, Spain; Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València & Universitat de València, Valencia, Spain
| | - Matilde Merino-Sanjuán
- Departamento de Farmacia y Tecnología Farmacéutica y Parasitología, Facultad de Farmacia, Universitat de València, Av. Vicente Andrés Estelles s/n, Burjassot, Valencia, Spain; Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València & Universitat de València, Valencia, Spain
| | - Mª Jesús Hernández
- Departament de Fisica de la Terra i Termodinàmica, Universitat de València, Av. Vicente Andrés Estelles s/n, Burjassot, Valencia, Spain
| | - Amparo Nácher
- Departamento de Farmacia y Tecnología Farmacéutica y Parasitología, Facultad de Farmacia, Universitat de València, Av. Vicente Andrés Estelles s/n, Burjassot, Valencia, Spain; Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València & Universitat de València, Valencia, Spain
| | - Daniel Peris
- Pharmacokinetics and Clinical Affairs Department, Strategy and Development Area, Kern Pharma S.L., Calle Venus 72, Terrassa, Barcelona, Spain
| | - Irene Hidalgo
- Pharmacokinetics and Clinical Affairs Department, Strategy and Development Area, Kern Pharma S.L., Calle Venus 72, Terrassa, Barcelona, Spain
| | - Lluís Soler
- Formulation and Late Scale Development Department, Strategy and Development Area, Kern Pharma S.L., Calle Venus 72, Terrassa, Barcelona, Spain
| | - Marta Sallan
- Formulation and Late Scale Development Department, Strategy and Development Area, Kern Pharma S.L., Calle Venus 72, Terrassa, Barcelona, Spain
| | - Virginia Merino
- Departamento de Farmacia y Tecnología Farmacéutica y Parasitología, Facultad de Farmacia, Universitat de València, Av. Vicente Andrés Estelles s/n, Burjassot, Valencia, Spain; Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València & Universitat de València, Valencia, Spain.
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Shehzad MQ, Nazir T, Nazir SUR, Taha N, Jamil T, Akram MA. Formulation, evaluation and in vitro characterization of gastroretentive floating tablet of diclofenac sodium. Pak J Pharm Sci 2019; 32:2573-2578. [PMID: 31969288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Currently a variety of tools and techniques are used to deliver complex medicines. Whereas, certain advanced methods assure the safety and usefulness by regulating the pharmacokinetic and pharmacodynamic. Thus, we aimed this study to develop a novel gastro retentive floating tablets. The formulation was designed to provide the desired controlled and complete release of drug for prolonged period of time. The formulations were evaluated for physical characterization. The obtained results of hardness (4.6-5.1), friability (0.20-0.43%), weight variation (350 ±2 - 350±5) and in vitro buoyancy were found within official limits of United Stated Pharmacopoeia (USP). Whereas, the F-7 showed most optimized intra gastric floating characteristics and exhibited 93.87% release of diclofenac sodium in 9 hours. The Floating Lag Time of 8 minutes and Total Floating Time >12 hours were recorded. In-vitro drug release kinetics evaluated using the linear regression method was found to follow the Zero Order and Peppas model for the release of both the drugs. DSC thermograph and FTIR spectra depicted that there was no chemical incompatibility between drugs and polymers. In conclusion the desgined tablet can be use in clinical practice as model drug. Because, the pre-compression and post-compression parameters were satisfactory and within desired limits.
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Affiliation(s)
| | - Taha Nazir
- Chemical Pathology & Molecular Biology Research Group, Advanced Multiple Inc., Mississauga ON Canada
| | | | - Nida Taha
- Riphah Institute of Pharmaceutical Sciences, Riphah International University (Lahore Campus), Lahore, Pakistan
| | - Tahir Jamil
- Department of Pharmaceutics, Facutly of Pharmacy, Gomal University, Dera Ismail Khan, Pakistan
| | - Muhammad Abdullah Akram
- Department of Pharmaceutics, Facutly of Pharmacy, Gomal University, Dera Ismail Khan, Pakistan
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Yao HT, Lin JH, Liu YT, Li ML, Chiang W. Food-Drug Interaction between the Adlay Bran Oil and Drugs in Rats. Nutrients 2019; 11:nu11102473. [PMID: 31618937 PMCID: PMC6835337 DOI: 10.3390/nu11102473] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Revised: 09/29/2019] [Accepted: 10/14/2019] [Indexed: 01/24/2023] Open
Abstract
Adlay (Coix lachryma-jobi L. var. ma-yuen Stapf) contains various phytonutrients for treating many diseases in Asia. To investigate whether orally administered adlay bran oil (ABO) can cause drug interactions, the effects of ABO on the pharmacokinetics of five cytochrome P450 (CYP) probe drugs were evaluated. Rats were given a single oral dose (2.5 mL/kg BW) of ABO 1 h before administration of a drug cocktail either orally or intravenously, and blood was collected at various time points. A single oral dose of ABO administration did not affect the pharmacokinetics of five probe drugs when given as a drug cocktail intravenously. However, ABO increased plasma theophylline (+28.4%), dextromethorphan (+48.7%), and diltiazem (+46.7%) when co-administered an oral drug cocktail. After 7 days of feeding with an ABO-containing diet, plasma concentrations of theophylline (+45.4%) and chlorzoxazone (+53.6%) were increased after the oral administration of the drug cocktail. The major CYP enzyme activities in the liver and intestinal tract were not affected by ABO treatment. Results from this study indicate that a single oral dose or short-term administration of ABO may increase plasma drug concentrations when ABO is given concomitantly with drugs. ABO is likely to enhance intestinal drug absorption. Therefore, caution is needed to avoid food–drug interactions between ABO and co-administered drugs.
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Affiliation(s)
- Hsien-Tsung Yao
- Department of Nutrition, China Medical University, 91 Hsueh-shih Road, Taichung 404, Taiwan.
| | - Jia-Hsuan Lin
- Department of Nutrition, China Medical University, 91 Hsueh-shih Road, Taichung 404, Taiwan.
| | - Yun-Ta Liu
- Department of Nutrition, China Medical University, 91 Hsueh-shih Road, Taichung 404, Taiwan.
| | - Mei-Ling Li
- Department of Nutrition, China Medical University, 91 Hsueh-shih Road, Taichung 404, Taiwan.
| | - Wenchang Chiang
- Graduate Institute of Food Science and Technology, Center for Food and Biomolecules, College of Bioresources and Agriculture, National Taiwan University, 1 Roosevelt Road, Sec. 4, Taipei 106, Taiwan.
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Cesari A, Fabiano A, Piras AM, Zambito Y, Uccello-Barretta G, Balzano F. Binding and mucoadhesion of sulfurated derivatives of quaternary ammonium-chitosans and their nanoaggregates: An NMR investigation. J Pharm Biomed Anal 2019; 177:112852. [PMID: 31499432 DOI: 10.1016/j.jpba.2019.112852] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 08/29/2019] [Accepted: 08/30/2019] [Indexed: 01/24/2023]
Abstract
The effect of insertion of SH and S-protected groups on the binding and mucoadhesion properties of quaternary ammonium-chitosans and their nanoparticulate forms has been investigated by NMR spectroscopy. Diclofenac sodium salt has been assumed as low molecular weight probe to detect the different binding behaviour of polymeric materials; mucin from bovine submaxillary glands was selected as the model protein for differentiating their mucoadhesion. NMR proton selective relaxation rates of the probe molecule were remarkably sensitive to the presence of very low amounts of sulfurated moieties. Impact of supramolecular aggregation in nanostructured species was demonstrated as well as the relevance of S-protection.
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Affiliation(s)
- Andrea Cesari
- Department of Chemistry and Industrial Chemistry, University of Pisa, via Moruzzi 13, 56124 Pisa, Italy
| | - Angela Fabiano
- Department of Pharmacy, University of Pisa, via Bonanno 33, 56126 Pisa, Italy
| | - Anna Maria Piras
- Department of Pharmacy, University of Pisa, via Bonanno 33, 56126 Pisa, Italy
| | - Ylenia Zambito
- Department of Pharmacy, University of Pisa, via Bonanno 33, 56126 Pisa, Italy
| | - Gloria Uccello-Barretta
- Department of Chemistry and Industrial Chemistry, University of Pisa, via Moruzzi 13, 56124 Pisa, Italy
| | - Federica Balzano
- Department of Chemistry and Industrial Chemistry, University of Pisa, via Moruzzi 13, 56124 Pisa, Italy.
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Rainsford KD, Roberts MS, Nencioni A, Jones C. Rationale and evidence for the incorporation of heparin into the diclofenac epolamine medicated plaster. Curr Med Res Opin 2019; 35:989-1002. [PMID: 30474433 DOI: 10.1080/03007995.2018.1551194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
OBJECTIVE The nonsteroidal anti-inflammatory drug (NSAID) diclofenac epolamine (DHEP) formulated as a topical patch has demonstrated efficacy and safety in the localized treatment of acute pain from minor strains, sprains and contusions, and for epicondylitis and knee osteoarthritis. The glycosaminoglycan heparin enhances the activity of topical NSAIDs formulated as a medicated plaster, even in the absence of any significant release of heparin. Therefore, DHEP plus, a new formulation of the DHEP medicated plaster containing a small amount of heparin sodium as excipient, has been developed. METHODS We reviewed the pivotal and supportive studies of the clinical development program of the new patch and evaluated the role of heparin as an enhancer in the treatment of localized pain/inflammation of musculoskeletal structures, associated with post-traumatic and/or rheumatic conditions. RESULTS The data was consistent with the concept that heparin increased the clinical activity of the DHEP plus medicated plaster versus the reference DHEP medicated plaster through improved bioavailability due to enhanced movement of diclofenac from the plaster. Both DHEP formulations have the same dissolution profile, indicating that heparin does not change the physical and chemical characteristics of the plaster. Permeation testing showed that heparin is not released from the DHEP plus medicated plaster. Efficacy studies showed that the DHEP plus medicated plaster was significantly more effective in reducing pain than the reference marketed DHEP medicated plaster. CONCLUSIONS The benefit/risk assessment of DHEP plus 180 mg medicated plaster is favorable, with a safety profile equal to placebo and improved efficacy over the reference marketed DHEP medicated plaster.
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Affiliation(s)
- K D Rainsford
- a Biomedical Sciences, Biomedical Research Centre, Sheffield Hallam University , Sheffield , United Kingdom
| | - Michael S Roberts
- b School of Pharmacy and Medical Sciences , University of South Australia , Adelaide , South Australia , Australia
- c Therapeutics Research Centre, the University of Queensland Diamantina Institute, Translational Research Institute , Brisbane , Australia
| | - Alessandro Nencioni
- d Analytical Development and Validation Laboratory , IBSA Institut Biochimique , Pambio-Noranco , Lugano , Switzerland
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George NE, Gurk-Turner C, Castrodad IMD, Etcheson JI, Mohamed NS, Gwam CU, Passarrello AN, Ohanale CU, Delanois RE. Adjunctive Intravenous Diclofenac Decreases Opioid Consumption and Increases Satisfaction in the Primary Total Hip Arthroplasty Population. Surg Technol Int 2019; 34:456-461. [PMID: 30753743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Despite the success of total hip arthroplasty (THA), postoperative pain management remains a concern. Although the nonsteroidal anti-inflammatory drug (NSAID) intravenous (IV) diclofenac is a promising addition, its impact on THA outcomes has not been investigated. This study evaluates the effects of adjunctive IV diclofenac on: 1) postoperative pain intensity; 2) opioid consumption; 3) discharge destination; 4) length of stay; and 5) patient satisfaction in primary THA patients. A retrospective study was performed for patients who underwent primary THA by a single surgeon between May 1 and September 31, 2017. Patients of the study group (n=25) were treated postoperatively with IV diclofenac and the standard pain control regimen while the control group (n=88) did not receive diclofenac. Patients receiving adjunctive IV diclofenac were more likely to be discharged home than to inpatient facilities (O.R. 4.02; p=0.049). Patient satisfaction with respect to how well and how often pain was controlled (p= 0.0436 and p=0.0217, respectively) was significantly greater in the IV diclofenac group. Patients who received IV diclofenac had lower opioid consumption on postoperative days one and two (-67.2 and -129.0mg, respectively; p=0.001 for both). The growth of THA as an outpatient procedure has intensified the urgency of improving postoperative pain management. This study demonstrates that THA patients receiving adjunctive IV diclofenac were more likely to be discharged home, had reduced opioid consumption, and experienced greater satisfaction. To further investigate the optimal regimen, future studies comprising a larger cohort and comparing IV diclofenac to other NSAIDs are warranted.
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Affiliation(s)
- Nicole E George
- Aultman Hospital, Department of Graduate Medical Education, Canton, Ohio
| | - Cheryle Gurk-Turner
- Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement Sinai Hospital of Baltimore, Baltimore, Maryland
| | - Iciar M Dávila Castrodad
- Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement Sinai Hospital of Baltimore, Baltimore, Maryland
| | - Jennifer I Etcheson
- Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement Sinai Hospital of Baltimore, Baltimore, Maryland
| | - Nequesha S Mohamed
- Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement Sinai Hospital of Baltimore, Baltimore, Maryland
| | - Chukwuweike U Gwam
- Department of Orthopedic Surgery, Wake Forest Baptist Medical Center, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Alexandra N Passarrello
- Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement Sinai Hospital of Baltimore, Baltimore, Maryland
| | | | - Ronald E Delanois
- Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement Sinai Hospital of Baltimore, Baltimore, Maryland
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Bonaterra GA, Schwarzbach H, Kelber O, Weiser D, Kinscherf R. Anti-inflammatory effects of Phytodolor® (STW 1) and components (poplar, ash and goldenrod) on human monocytes/macrophages. Phytomedicine 2019; 58:152868. [PMID: 30831466 DOI: 10.1016/j.phymed.2019.152868] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 01/30/2019] [Accepted: 02/17/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Populus tremula L. (Poplar), Fraxinus excelsior L. (ash) and Solidago virgaurea L. (goldenrod) have been used for medicinal purposes through centuries, to treat pain, fever and inflammation, but their mechanisms of action are still not fully understood. The present study was performed to investigate, whether the herbal medicinal product Phytodolor® (STW 1) and its components have anti-inflammatory effects on activated human monocytes and differentiated human macrophages to elucidate their modes of action in comparison with well-known analgesic, non-steroidal anti-inflammatory drug (NSAIDs) as diclofenac. METHODS Adherent human monocytes obtained from peripheral blood mononuclear cells (PBMCs) were cultured in serum-free medium and pre-treated with 50-100 µg/ml of diclofenac, STW 1, their components, poplar, ash or goldenrod or its combination (0.05% to 2%). Thereafter, monocytes were activated with 0.1 or 1 µg/ml LPS for 24 h. The intracellular expressions of TNF-α or PTGS2 were determined by cell-based ELISA. Apoptotic cells were identified by YO-PRO-1 staining. Protein or total RNA were isolated to perform SDS-PAGE/Western blot and qRT-PCR analyses. PMA-differentiated human THP-1 macrophages were pre-treated with diclofenac (50 µg/ml) or STW1 (0.1%) and afterwards with LPS (1 µg/ml) and the translocation of the intracellular p62 NF-κB subunit was detected by immunofluorescence. RESULTS STW 1 inhibited the intracellular content of TNF-α and PTGS2 protein, as well as of TNF-α and PTGS2 gene expression and induced apoptosis in LPS-activated human monocytes under serum free conditions. Furthermore, STW 1 inhibited the translocation of the p65 subunit of the redox-regulated NF-κB into the nucleus in LPS-activated human macrophages. CONCLUSION The present in vitro investigations suggest a significant anti-inflammatory activity of STW 1 and its components by inhibiting pro-inflammatory cytokine as TNF-α and the key enzyme PTGS2 in LPS-activated human monocytes, which is, at least partly mediated through the suppression of NF-κB activation. Our results provide evidence for distinctive anti-inflammatory effects of STW 1 and its components on LPS-activated human monocytes/macrophages and, thus, for the therapeutic use of STW 1 in inflammation and pain related disorders.
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Affiliation(s)
- Gabriel A Bonaterra
- Anatomy und Cell Biology, Department of Medical Cell Biology, Philipps-University of Marburg, Robert-Koch-Str. 8, 35032 Marburg, Germany.
| | - Hans Schwarzbach
- Anatomy und Cell Biology, Department of Medical Cell Biology, Philipps-University of Marburg, Robert-Koch-Str. 8, 35032 Marburg, Germany
| | - Olaf Kelber
- Innovation and Development, Phytomedicine Supply and Development Centre, Bayer Consumer Health Care, Steigerwald Arzneimittel GmbH, Havelstraße 5, 64295 Darmstadt, Germany
| | - Dieter Weiser
- Innovation and Development, Phytomedicine Supply and Development Centre, Bayer Consumer Health Care, Steigerwald Arzneimittel GmbH, Havelstraße 5, 64295 Darmstadt, Germany
| | - Ralf Kinscherf
- Anatomy und Cell Biology, Department of Medical Cell Biology, Philipps-University of Marburg, Robert-Koch-Str. 8, 35032 Marburg, Germany
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Gupta D, Javali M, Pradeep R, Mehta A, Acharya PT, Srinivasa R. Acute confusional state induced by diclofenac: Report and review of literature. Neurol India 2019; 67:858-861. [PMID: 31347566 DOI: 10.4103/0028-3886.263243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Affiliation(s)
- Dhananjay Gupta
- Department of Neurology, Ramaiah Medical College, Bengaluru, Karnataka, India
| | - Mahendra Javali
- Department of Neurology, Ramaiah Medical College, Bengaluru, Karnataka, India
| | - Rangaiah Pradeep
- Department of Neurology, Ramaiah Medical College, Bengaluru, Karnataka, India
| | - Anish Mehta
- Department of Neurology, Ramaiah Medical College, Bengaluru, Karnataka, India
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Khadra I, Obeid MA, Dunn C, Watts S, Halbert G, Ford S, Mullen A. Characterisation and optimisation of diclofenac sodium orodispersible thin film formulation. Int J Pharm 2019; 561:43-46. [PMID: 30772459 DOI: 10.1016/j.ijpharm.2019.01.064] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 01/11/2019] [Accepted: 01/28/2019] [Indexed: 11/23/2022]
Abstract
Oral Thin Film (OTF) is a newly emerging drug delivery system which has many benefits for patients. Although there has been some formulation of OTF products, these have mainly been as confectionary or dental health products. The most significant benefit of this dosage format will only be realised once more pharmaceutical products become available. Within this paper, OTF strips containing Diclofenac Sodium were prepared using the solvent casting method and then characterised to ensure the method could conform to acceptable levels of uniformity, the mean (SD) diclofenac sodium content was 25.43 (1.39) mg, range 22.84-27.44 mg. Bioburden was tested against coliforms, yeasts and moulds and all results were confirmed to be <10 CFU/g, also similar dissolution profile when compared to a commercial product to ensure biowaiver. An acceptable level of uniformity of mass was produced. K-F titration was employed to reduce the water content of the strips and it was found to be acceptable, this represented a level of water which would not be viable for microbial growth. The technique employed here in the production of OTF resulted in high quality products and amenability to being up scaled. Furthermore, the characterisation method was also sufficient to assess the quality of the products and may be used for future analysis of OTF pharmaceuticals.
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Affiliation(s)
- Ibrahim Khadra
- Department of Pharmaceutical Sciences, Institute of Pharmacy and Biomedical Sciences, University Of Strathclyde, Glasgow, UK.
| | | | - Claire Dunn
- Department of Pharmaceutical Sciences, Institute of Pharmacy and Biomedical Sciences, University Of Strathclyde, Glasgow, UK
| | - Stewart Watts
- Department of Pharmaceutical Sciences, Institute of Pharmacy and Biomedical Sciences, University Of Strathclyde, Glasgow, UK
| | - Gavin Halbert
- Cancer Research-UK, Institute of Pharmacy and Biomedical Sciences, University Of Strathclyde, Glasgow, UK
| | - Steve Ford
- Department of Pharmaceutical Sciences, Institute of Pharmacy and Biomedical Sciences, University Of Strathclyde, Glasgow, UK
| | - Alexander Mullen
- Department of Pharmaceutical Sciences, Institute of Pharmacy and Biomedical Sciences, University Of Strathclyde, Glasgow, UK
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Cooper C, Chapurlat R, Al-Daghri N, Herrero-Beaumont G, Bruyère O, Rannou F, Roth R, Uebelhart D, Reginster JY. Safety of Oral Non-Selective Non-Steroidal Anti-Inflammatory Drugs in Osteoarthritis: What Does the Literature Say? Drugs Aging 2019; 36:15-24. [PMID: 31073921 PMCID: PMC6509083 DOI: 10.1007/s40266-019-00660-1] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Non-steroidal anti-inflammatory drugs (NSAIDs) are widely recommended and prescribed to treat pain in osteoarthritis. While measured to have a moderate effect on pain in osteoarthritis, NSAIDs have been associated with wide-ranging adverse events affecting the gastrointestinal, cardiovascular, and renal systems. Gastrointestinal toxicity is found with all NSAIDs, which may be of particular concern when treating older patients with osteoarthritis, and gastric adverse events may be reduced by taking a concomitant gastroprotective agent, although intestinal adverse events are not ameliorated. Cardiovascular toxicity is associated with all NSAIDs to some extent and the degree of risk appears to be pharmacotherapy specific. An increased risk of acute myocardial infarction and heart failure is observed with all NSAIDs, while an elevated risk of hemorrhagic stroke appears to be restricted to the use of diclofenac and meloxicam. All NSAIDs have the potential to induce acute kidney injury, and patients with osteoarthritis with co-morbid conditions including hypertension, heart failure, and diabetes mellitus are at increased risk. Osteoarthritis is associated with excess mortality, which may be explained by reduced levels of physical activity owing to lower limb pain, presence of comorbid conditions, and the adverse effects of anti-osteoarthritis medications especially NSAIDs. This narrative review of recent literature identifies data on the safety of non-selective NSAIDs to better understand the risk:benefit of using NSAIDs to manage pain in osteoarthritis.
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Affiliation(s)
- Cyrus Cooper
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton General Hospital, Tremona Road, Southampton, SO16 6YD UK
- National Institute for Health Research Musculoskeletal Biomedical Research Unit, University of Oxford, Oxford, UK
- WHO Collaborating Centre for Public Heath Aspects of Musculoskeletal Health and Aging, Liège, Belgium
| | - Roland Chapurlat
- INSERM, UMR 1033, Université de Lyon, Hôpital E Herriot, Lyon, France
| | - Nasser Al-Daghri
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Gabriel Herrero-Beaumont
- Rheumatology Service, Joint and Bone Research Unit, Autonomous University of Madrid, Fundación Jiménez Díaz, Madrid, Spain
| | - Olivier Bruyère
- WHO Collaborating Centre for Public Heath Aspects of Musculoskeletal Health and Aging, Liège, Belgium
- Department of Public Health, Epidemiology and Health Economics, University of Liège, Liège, Belgium
| | - François Rannou
- Division of Physical Medicine and Rehabilitation, Department of Rheumatology, AP-HP Cochin Hospital, INSERM U1124, Université Paris Descartes Sorbonne Paris Cité, Paris, France
| | - Roland Roth
- Max-Reger-Strasse 17-19, Essen-Suedviertel, Germany
| | - Daniel Uebelhart
- Division of Musculoskeletal, Internal Medicine and Oncological Rehabilitation, Department of Orthopaedics and Traumatology, Hôpital du Valais, Centre Hospitalier du Valais Romand, CVP, Crans-Montana, Switzerland
| | - Jean-Yves Reginster
- WHO Collaborating Centre for Public Heath Aspects of Musculoskeletal Health and Aging, Liège, Belgium
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
- Department of Public Health, Epidemiology and Health Economics, University of Liège, Liège, Belgium
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Piccirillo G, Carvajal Berrio DA, Laurita A, Pepe A, Bochicchio B, Schenke-Layland K, Hinderer S. Controlled and tuneable drug release from electrospun fibers and a non-invasive approach for cytotoxicity testing. Sci Rep 2019; 9:3446. [PMID: 30837604 PMCID: PMC6401126 DOI: 10.1038/s41598-019-40079-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 02/08/2019] [Indexed: 01/10/2023] Open
Abstract
Electrospinning is an attractive method to generate drug releasing systems. In this work, we encapsulated the cell death-inducing drug Diclofenac (DCF) in an electrospun poly-L-lactide (PLA) scaffold. The scaffold offers a system for a sustained and controlled delivery of the cytotoxic DCF over time making it clinically favourable by achieving a prolonged therapeutic effect. We exposed human dermal fibroblasts (HDFs) to the drug-eluting scaffold and employed multiphoton microscopy and fluorescence lifetime imaging microscopy. These methods were suitable for non-invasive and marker-independent assessment of the cytotoxic effects. Released DCF induced changes in cell morphology and glycolytic activity. Furthermore, we showed that drug release can be influenced by adding dimethyl sulfoxide as a co-solvent for electrospinning. Interestingly, without affecting the drug diffusion mechanism, the resulting PLA scaffolds showed altered fibre morphology and enhanced initial DCF burst release. The here described model could represent an interesting way to control the diffusion of encapsulated bio-active molecules and test them using a marker-independent, non-invasive approach.
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Affiliation(s)
- G Piccirillo
- Department of Science, University of Basilicata, 85100, Potenza, Italy
- Department of Women's Health, Research Institute for Women's Health, Eberhard-Karls-University Tübingen, 72076, Tübingen, Germany
| | - D A Carvajal Berrio
- Department of Women's Health, Research Institute for Women's Health, Eberhard-Karls-University Tübingen, 72076, Tübingen, Germany
| | - A Laurita
- Department of Science, University of Basilicata, 85100, Potenza, Italy
| | - A Pepe
- Department of Science, University of Basilicata, 85100, Potenza, Italy
| | - B Bochicchio
- Department of Science, University of Basilicata, 85100, Potenza, Italy
| | - K Schenke-Layland
- Department of Women's Health, Research Institute for Women's Health, Eberhard-Karls-University Tübingen, 72076, Tübingen, Germany
- Department of Biophysical Chemistry, Natural and Medical Sciences Institute (NMI) at the University of Tübingen, 72770, Reutlingen, Germany
- Department of Medicine/Cardiology, Cardiovascular Research Laboratories, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - S Hinderer
- Department of Women's Health, Research Institute for Women's Health, Eberhard-Karls-University Tübingen, 72076, Tübingen, Germany.
- Department of Biophysical Chemistry, Natural and Medical Sciences Institute (NMI) at the University of Tübingen, 72770, Reutlingen, Germany.
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Trexler KR, Eckard ML, Kinsey SG. CB 1 positive allosteric modulation attenuates Δ 9-THC withdrawal and NSAID-induced gastric inflammation. Pharmacol Biochem Behav 2019; 177:27-33. [PMID: 30597181 PMCID: PMC6405226 DOI: 10.1016/j.pbb.2018.12.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 12/06/2018] [Accepted: 12/27/2018] [Indexed: 02/07/2023]
Abstract
Recently, multiple compounds have been synthesized that target the allosteric binding site(s) of CB1. These CB1 positive allosteric modulators may capture the benefits of cannabinoid receptor activation without unwanted psychoactive effects, such as sedation. For example, ZCZ011 blocks neuropathic pain, absent the catalepsy, sedation, and hypothermia caused by CB1 orthosteric modulators, including Δ9-tetrahydrocannabinol (THC). The primary goal of the present study was to evaluate the potential of ZCZ011 to attenuate somatic signs of cannabinoid withdrawal in mice. Mice were repeatedly administered THC (10 mg/kg, s.c.) or vehicle, and withdrawal was either precipitated using the CB1 antagonist rimonabant (3 mg/kg, i.p.) or elicited spontaneously via THC abstinence. ZCZ011 (≥10 mg/kg, i.p.) significantly attenuated somatic signs of withdrawal, including head twitches and paw tremors, but had no effect on locomotor activity or conditioned place preference. We next tested the antiulcerogenic properties of CB1 positive allosteric modulation. Mice were fasted for 22 h, administered ZCZ011, and gastric hemorrhages were induced with the nonsteroidal anti-inflammatory drug diclofenac sodium (100 mg/kg, p.o.). ZCZ011 alone had no effect on gastric ulceration, but ZCZ011 (≥10 mg/kg) blocked ulcer formation when combined with a subthreshold MAGL inhibitor (JZL184; 1 mg/kg, i.p.). Thus, CB1 positive allosteric modulation is a novel approach to treat cannabinoid dependence and gastric inflammation.
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Affiliation(s)
- K R Trexler
- Department of Psychology, West Virginia University, Morgantown, WV, USA
| | - M L Eckard
- Department of Psychology, West Virginia University, Morgantown, WV, USA
| | - S G Kinsey
- Department of Psychology, West Virginia University, Morgantown, WV, USA; Department of Neuroscience, West Virginia University, Morgantown, WV, USA.
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Li Y, Yang H, Wang Y, Bu S. Pharmacokinetics and residues elimination of diclofenac sodium administration in pigs by a new HPLC/MS method. Cell Mol Biol (Noisy-le-grand) 2019; 65:36-40. [PMID: 30782291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 10/10/2018] [Accepted: 10/10/2018] [Indexed: 06/09/2023]
Abstract
Diclofenac sodium (DS) was the third generation non-steroidal drugs with analgesic and antipyretic properties. Owing to taking action faster, long lasting potency, good efficacy and low side effects, DS was widely used in the pharmaceutical industry. To further ensure animal food safety and consumer health, the rational usages regulations of DS and DS withdrawal time should be provided. In the present study, a new high performance liquid chromatography tandem mass spectrometry (HPLC/MS) method was first established for extracting and validating diclofenac sodium levels in edible porcine tissues. Meanwhile, the pharmacokinetics characteristics and residue elimination of intramuscular DS administration in pigs were also studied. We found DS eliminated quickly and the distribution was poor in vivo. After a single dose of 2.5 mg/kg body weight per day for continuous 3 days, the withdrawal time in the tissues of liver, kidney, sebum, muscle and administration site were 9.892 days, 5.116 days, 14.205 days, 5.444 days and 8.818 days, respectively. According to the double-sided 95% confidence interval, DS withdrawal period should be 15 days. These experiment evidences lay a good foundation on the rational usages regulations of DS and DS withdrawal time, which will be helpful for the animal food safety and consumer health.
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Affiliation(s)
- Yongjun Li
- The School of Animal Pharmaceuticals, Jiangsu Agri-animal Husbandry Vocational College, Taizhou 225300, China
| | - Haifeng Yang
- The School of Animal Pharmaceuticals, Jiangsu Agri-animal Husbandry Vocational College, Taizhou 225300, China
| | - Yaqin Wang
- Veterinary Medicine College / Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou Univercity, Yangzhou 225009, China
| | - Shijin Bu
- Veterinary Medicine College / Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou Univercity, Yangzhou 225009, China
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Abstract
The efficacy of scalp nerve block using 0.5% bupivacaine with adrenaline for postoperative pain relief in craniotomy patients was evaluated in 40 ASA I or II adult patients undergoing supratentorial craniotomy. A standard general anaesthesia technique was followed. Patients were randomly divided into two groups. Group B received 0.5% bupivacaine with 1:400,000 adrenaline and group S received normal saline with 1:400,000 adrenaline, both after skin closure. Postoperative pain was assessed at 30 seconds and 1, 2, 4, 6, 8 and 12 hours using a numerical rating scale. Diclofenac IM was administered as rescue analgesia if patients reported a numerical rating scale of 40 or more. Tramadol TV was administered as second rescue analgesia. Sixty per cent of patients in group S experienced moderate to severe pain (numerical rating scale of 40 or more) at some time during the first 12 postoperative hours in comparison to 25% patients in group B. Median pain scores were significantly lower in group B for up to 6 hours. Significantly more patients were pain free up to four hours in group B. Median duration for the requirement of first dose of diclofenac was longer in group B compared to group S (360 min vs 30 min, P<0.01). The number of doses of diclofenac (5 vs 19) was significantly lower in group B compared to group S (P<0.01). Tramadol was required by six patients in group S only. Scalp nerve block using 0.5% bupivacaine with 1:400,000 adrenaline decreases the incidence and severity of postoperative pain in patients undergoing supratentorial craniotomy.
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Affiliation(s)
- I Bala
- Department of Anaesthesiology and Intensive Care, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Lehrer S, Rheinstein PH. Transspinal delivery of drugs by transdermal patch back-of-neck for Alzheimer's disease: a new route of administration. Discov Med 2019; 27:37-43. [PMID: 30721650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
NSAIDs may prevent Alzheimer's disease (AD) but have failed as a treatment, possibly because only 1-2% of an oral NSAID dose reaches the brain. This minuscule dose is enough to have a preventative effect on Alzheimer's disease but not to treat it. We propose a new route of administration for drugs to treat AD: transspinal delivery by transdermal patch over the back-of-neck/cervical spine. The drug would diffuse from the patch through the intervertebral spaces, penetrate the dura, enter the CSF, and reach the brain. For example, diclofenac from a transdermal patch over the back of neck should readily penetrate the dura mater to reach the CSF and brain; since the analgesic ziconotide, and antisense molecules for treating spinal muscular atrophy in children and Huntington's disease, are delivered intrathecally and readily enter the brain. In addition to NSAIDs, an anticancer drug, paclitaxel, has considerable potential as an AD treatment. Paclitaxel is administered IV. But the blood-brain penetration of paclitaxel is poor and paclitaxel has systemic side effects such as anemia, leukopenia, peripheral neuropathy, etc. A high dose of paclitaxel might be administered to the brain by transdermal patch over the back of the neck/cervical spine while avoiding the systemic side effects. A transdermal patch over the cervical spine could revolutionize the drug therapy of AD, and probably other neurodegenerative/neuropsychiatric diseases as well.
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Affiliation(s)
- Steven Lehrer
- Department of Radiation Oncology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
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Altan L, Kasapoğlu Aksoy M, Kösegil Öztürk E. Efficacy of diclofenac & thiocolchioside gel phonophoresis comparison with ultrasound therapy on acute low back pain; a prospective, double-blind, randomized clinical study. Ultrasonics 2019; 91:201-205. [PMID: 30139568 DOI: 10.1016/j.ultras.2018.08.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 06/29/2018] [Accepted: 08/12/2018] [Indexed: 06/08/2023]
Abstract
PURPOSE To investigate the effect of Phonophoresis (PP) with the combination of nonsteroidal anti-inflammatory drugs (NSAID's) and myorelaxant versus routine Ultrasound (US) treatment with non-therapeutic gel on the patients with acute low back pain (ABP). METHODS Sixty patients with ABP were randomly assigned into 2 groups. In Group 1 (n = 30) US was applied using diclofenac + Thiocolchicoside gel for 10 min and for a total of 10 sessions. In Group 2 (n = 30) the same US protocol was applied with the same setting and timing with Group 1 using US gel that does not contain any pharmaceutical ingredient. Evaluation parameters were Visual numeric scale (VNS), Oswestry Disability Index (ODI), and Shober test. RESULTS Comparison of the results obtained from the two groups before treatment and at second (W2) and sixth weeks (W6) posttreatment showed significant improvement in all parameters in both groups (p < 0.05). Comparison of the groups showed significantly superior improvement in Group 1 for ODI while there was no difference in other parameters at W2. At W6, there was significantly superior improvement in all parameters (p < 0.05) except for Shober test in Group1. CONCLUSION Our results showed that PP treatment is superior than conventional US therapy at short term in ABP patients.
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Affiliation(s)
- L Altan
- Uludağ University Medicine Faculty, Department of Physical Medicine and Rehabilitation, Turkey; University of Health Sciences Bursa Yüksek Ihtisas Training and Research Hospital, Department of Physical Medicine and Rehabilitation, Turkey
| | - M Kasapoğlu Aksoy
- University of Health Sciences Bursa Yüksek Ihtisas Training and Research Hospital, Department of Physical Medicine and Rehabilitation, Turkey.
| | - E Kösegil Öztürk
- University of Health Sciences Bursa Yüksek Ihtisas Training and Research Hospital, Department of Physical Medicine and Rehabilitation, Turkey
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Yasmin R, Shoaib MH, Qazi F, Nasiri MI, Ali T, Ali H, Zafar F. Formulation development and in vitro evaluation of fast dispersible, taste masked aceclofenac compacted pellets. Pak J Pharm Sci 2019; 32:117-123. [PMID: 30772799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The objective of study was to develop Aceclofenac fast dispersible compacted pellets with improved taste and fast drug release. Pellets were prepared by extrusion spheronization technique followed by direct compression to make compacted pellets. Formulations were comprised of sucrose, mannitol, ac-di-sol, aspartame, pine apple flavor and magnesium stearate. A mixture of distilled water and isopropyl alcohol (1:1) was used for wet massing. The effect of ac-di-sol on the drug release pattern was examined and dissolution profile comparison was established. All formulations followed First order and Weibull models and f2 values indicated dissimilarity with the marketed immediate release product. Taste of compacted pellets was evaluated by a panel of 12 human volunteers. Formulation P5 was found to be an optimized formulation due to satisfactory quality attributes.
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Affiliation(s)
- Riffat Yasmin
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, Pakistan
| | - Muhammad Harris Shoaib
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, Pakistan
| | - Faaiza Qazi
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, Pakistan
| | - Muhammad Iqbal Nasiri
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, Pakistan
| | - Tariq Ali
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, Pakistan
| | - Huma Ali
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, Pakistan
| | - Farya Zafar
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, Pakistan
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Wang Z, Chen D, Wang Z. Effects of diclofenac on the pharmacokinetics of celastrol in rats and its transport. Pharm Biol 2018; 56:269-274. [PMID: 29651912 PMCID: PMC6130456 DOI: 10.1080/13880209.2018.1459740] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2017] [Revised: 03/22/2018] [Accepted: 03/24/2018] [Indexed: 05/29/2023]
Abstract
CONTEXT Diclofenac and celastrol are always used together for the treatment of rheumatoid arthritis; the herb-drug interaction potential between diclofenac and celastrol is still unknown. OBJECTIVE This study investigates the effects of diclofenac on the pharmacokinetics of celastrol in rats. MATERIALS AND METHODS Twelve male Sprague-Dawley rats were divided into two groups and received celastrol (1 mg/kg) or both celastrol (1 mg/kg) and diclofenac (10 mg/kg) by oral gavage, and blood samples were collected via the oculi chorioideae vein and determined using the LC-MS method developed in this study. Additionally, the effects of diclofenac on the transport of celastrol were investigated using a Caco-2 cell transwell model. RESULTS Diclofenac could significantly (p < 0.05) decrease the Cmax (from 66.93 ± 10.28 to 41.25 ± 8.06 ng/mL) and AUC0-t (from 765.84 ± 163.61 to 451.33 ± 110.88 μg × h/L) of celastrol in rats. The efflux ratio of celastrol increased significantly (p < 0.05) from 3.12 to 4.55 with the treatment of diclofenac. DISCUSSION AND CONCLUSION These results indicated that diclofenac could decrease the system exposure of celastrol in rats when they are co-administered, and these effects might be exerted via decreasing its absorption in intestine.
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Affiliation(s)
- Zengfu Wang
- Department of Anesthesiology, Shengli Oilfield Central Hospital, Dongying, P. R. China
| | - Dali Chen
- Department of Laboratory Medicine, Yidu Central Hospital of Weifang, Weifang, P. R. China
| | - Zhongwei Wang
- Department of Anesthesiology, Shengli Oilfield Central Hospital, Dongying, P. R. China
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Cristina A, Leonte D, Vlase L, Bencze LC, Imre S, Marc G, Apan B, Mogoșan C, Zaharia V. Heterocycles 48. Synthesis, Characterization and Biological Evaluation of Imidazo[2,1- b][1,3,4]Thiadiazole Derivatives as Anti-Inflammatory Agents. Molecules 2018; 23:E2425. [PMID: 30248903 PMCID: PMC6222387 DOI: 10.3390/molecules23102425] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Revised: 09/18/2018] [Accepted: 09/19/2018] [Indexed: 01/12/2023] Open
Abstract
Non-steroidal anti-inflammatory drugs (NSAIDs) are an important pharmacological class of drugs used for the treatment of inflammatory diseases. They are also characterized by severe side effects, such as gastrointestinal damage, increased cardiovascular risk and renal function abnormalities. In order to synthesize new anti-inflammatory and analgesic compounds with a safer profile of side effects, a series of 2,6-diaryl-imidazo[2,1-b][1,3,4]thiadiazole derivatives 5a⁻l were synthesized and evaluated in vivo for their anti-inflammatory and analgesic activities in carrageenan-induced rat paw edema. Among all compounds, 5c showed better anti-inflammatory activity compared to diclofenac, the standard drug, and compounds 5g, 5i, 5j presented a comparable antinociceptive activity to diclofenac. None of the compounds showed ulcerogenic activity. Molecular docking studies were carried out to investigate the theoretical bond interactions between the compounds and target, the cyclooxygenases (COX-1/COX-2). The compound 5c exhibited a higher inhibition of COX-2 compared to diclofenac.
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Affiliation(s)
- Anamaria Cristina
- Department of Organic Chemistry, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj-Napoca 400012, Romania.
- Department of Pharmacology, Physiology and Pathophysiology, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj-Napoca 400349, Romania.
| | - Denisa Leonte
- Department of Organic Chemistry, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj-Napoca 400012, Romania.
| | - Laurian Vlase
- Department of Pharmaceutical Technology and Biopharmaceutics, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj-Napoca 400012, Romania.
| | - László Csaba Bencze
- Biocatalysis and Biotransformation Research Group, Babeș-Bolyai University, Cluj-Napoca 400028, Romania.
| | - Silvia Imre
- Department of Analytical Chemistry and Drug Analysis, Tîrgu Mureș University of Medicine and Pharmacy, Târgu Mureș 540139, Romania.
| | - Gabriel Marc
- Department of Pharmaceutical Chemistry, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj-Napoca 400012, Romania.
| | - Bogdan Apan
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj-Napoca 400349, Romania.
| | - Cristina Mogoșan
- Department of Pharmacology, Physiology and Pathophysiology, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj-Napoca 400349, Romania.
| | - Valentin Zaharia
- Department of Organic Chemistry, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj-Napoca 400012, Romania.
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Abstract
OBJECTIVE To examine the cardiovascular risks of diclofenac initiation compared with initiation of other traditional non-steroidal anti-inflammatory drugs, initiation of paracetamol, and no initiation. DESIGN Series of 252 nationwide cohort studies, each mimicking the strict design criteria of a clinical trial (emulated trial design). SETTING Danish, nationwide, population based health registries (1996-2016). PARTICIPANTS Individuals eligible for inclusion were all adults without malignancy; schizophrenia; dementia; or cardiovascular, kidney, liver, or ulcer diseases (that is, with low baseline risk). The study included 1 370 832 diclofenac initiators, 3 878 454 ibuprofen initiators, 291 490 naproxen initiators, 764 781 healthcare seeking paracetamol initiators matched by propensity score, and 1 303 209 healthcare seeking non-initiators also matched by propensity score. MAIN OUTCOME MEASURES Cox proportional hazards regression was used to compute the intention to treat hazard ratio (as a measure of the incidence rate ratio) of major adverse cardiovascular events within 30 days of initiation. RESULTS The adverse event rate among diclofenac initiators increased by 50% compared with non-initiators (incidence rate ratio 1.5, 95% confidence interval 1.4 to 1.7), 20% compared with paracetamol or ibuprofen initiators (both 1.2, 1.1 to 1.3), and 30% compared with naproxen initiators (1.3, 1.1 to 1.5). The event rate for diclofenac initiators increased for each component of the combined endpoint (1.2 (1.1 to 1.4) for atrial fibrillation/flutter, 1.6 (1.3 to 2.0) for ischaemic stroke, 1.7 (1.4 to 2.0) for heart failure, 1.9 (1.6 to 2.2) for myocardial infarction, and 1.7 (1.4 to 2.1) for cardiac death) as well as for low doses of diclofenac, compared with non-initiators. Although the relative risk of major adverse cardiovascular events was highest in individuals with low or moderate baseline risk (that is, diabetes mellitus), the absolute risk was highest in individuals with high baseline risk (that is, previous myocardial infarction or heart failure). Diclofenac initiation also increased the risk of upper gastrointestinal bleeding at 30 days, by approximately 4.5-fold compared with no initiation, 2.5-fold compared with initiation of ibuprofen or paracetamol, and to a similar extent as naproxen initiation. CONCLUSIONS Diclofenac poses a cardiovascular health risk compared with non-use, paracetamol use, and use of other traditional non-steroidal anti-inflammatory drugs.
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Affiliation(s)
- Morten Schmidt
- Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Allé 43-45, 8200, Aarhus, Denmark
- Department of Cardiology, Regional Hospital West Jutland, Herning, Denmark
| | - Henrik Toft Sørensen
- Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Allé 43-45, 8200, Aarhus, Denmark
- Department of Health Research & Policy (Epidemiology), Stanford University, Stanford, CA, USA
| | - Lars Pedersen
- Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Allé 43-45, 8200, Aarhus, Denmark
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Abstract
BACKGROUND Postoperative administration of non-steroidal anti-inflammatory drugs (NSAIDs) reduces patient opioid requirements and, in turn, reduces the incidence and severity of opioid-induced adverse events (AEs). OBJECTIVES To assess the analgesic efficacy and adverse effects of single-dose intravenous diclofenac, compared with placebo or an active comparator, for moderate to severe postoperative pain in adults. SEARCH METHODS We searched the following databases without language restrictions: the Cochrane Central Register of Controlled Trials (Cochrane Register of Studies Online), MEDLINE, and Embase on 22 May 2018. We checked clinical trials registers and reference lists of retrieved articles for additional studies. SELECTION CRITERIA We included randomized trials that compared a single postoperative dose of intravenous diclofenac with placebo or another active treatment, for treating acute postoperative pain in adults following any surgery. DATA COLLECTION AND ANALYSIS We used standard methodological procedures expected by Cochrane. Two review authors independently considered trials for review inclusion, assessed risk of bias, and extracted data.Our primary outcome was the number of participants in each arm achieving at least 50% pain relief over a four- and six-hour period.Our secondary outcomes were time to, and number of participants using rescue medication; withdrawals due to lack of efficacy, AEs, and for any cause; and number of participants experiencing any AE, serious AEs (SAEs), and NSAID-related AEs. We performed a post hoc analysis of opioid-related AEs, to enable indirect comparisons with other analyses of postoperative analgesics.For subgroup analysis, we planned to analyze different doses and formulations of parenteral diclofenac separately.We assessed the overall quality of the evidence for each outcome using GRADE and created two 'Summary of findings' tables. MAIN RESULTS We included eight studies, involving 1756 participants undergoing various surgeries (dental, mixed minor, abdominal, and orthopedic), with 20 to 175 participants receiving intravenous diclofenac in each study. Mean study population ages ranged from 24.5 years to 54.5 years. Intravenous diclofenac doses varied among and within studies, ranging from 3.75 mg to 75 mg. Five studies assessed newer formulations of parenteral diclofenac that could be administered as an undiluted intravenous bolus. Most studies had an unclear risk of bias for several domains and a high risk of bias due to small sample size. The overall quality of evidence for each outcome was generally low for reasons including unclear risk of bias in studies, imprecision, and low event numbers.Primary outcomeThree studies (277 participants) produced a number needed to treat for an additional beneficial outcome (NNTB) for at least 50% of maximum pain relief versus placebo of 2.4 (95% confidence interval (CI) 1.9 to 3.1) over four hours (low-quality evidence). Four studies (436 participants) produced an NNTB of 3.8 versus placebo (95% CI 2.9 to 5.9) over six hours (low-quality evidence). No studies provided data for the comparison of intravenous diclofenac with another NSAID over four hours. At six hours there was no difference between intravenous diclofenac and another NSAID (low-quality evidence).Secondary outcomesFor secondary efficacy outcomes, intravenous diclofenac was generally superior to placebo and similar to other NSAIDs.For time to rescue medication, comparison of intravenous diclofenac versus placebo demonstrated a median of 226 minutes for diclofenac versus 80 minutes for placebo (5 studies, 542 participants, low-quality evidence). There were insufficient data for pooled analysis for comparisons of diclofenac with another NSAID (very low-quality evidence).For the number of participants using rescue medication, two studies (235 participants) compared diclofenac with placebo. The number needed to treat to prevent one additional harmful event (NNTp) (here, the need for rescue medication) compared with placebo was 3.0 (2.2 to 4.5, low-quality evidence). The comparison of diclofenac with another NSAID included only one study (98 participants). The NNTp was 4.5 (2.5 to 33) for ketorolac versus diclofenac (very low-quality evidence).The numbers of participants withdrawing were generally low and inconsistently reported (very low-quality evidence). Participant withdrawals were: 6% (8/140) diclofenac versus 5% (7/128) placebo, and 9% (8/87) diclofenac versus 7% (6/82) another NSAID for lack of efficacy; 2% (4/211) diclofenac versus 0% (0/198) placebo, and 3% (4/138) diclofenac versus 2% (2/129) another NSAID due to AEs; and 11% (21/191) diclofenac versus 17% (30/179) placebo, and 18% (21/118) diclofenac versus 15% (17/111) another NSAID for any cause.Overall adverse event rates were similar between intravenous diclofenac and placebo (71% in both groups, 2 studies, 296 participants) and between intravenous diclofenac and another NSAID (55% and 58%, respectively, 2 studies, 265 participants) (low-quality evidence for both comparisons). Serious and specific AEs were rare, preventing meta-analysis.There were sufficient data for a dose-effect analysis for our primary outcome for only one alternative dose, 18.75 mg. Analysis of the highest dose employed in each study demonstrated a relative benefit compared with placebo of 1.9 (1.4 to 2.4), whereas for the group receiving 18.75 mg, the relative benefit versus placebo was 1.6 (1.2 to 2.1, 2 studies). Compared to another NSAID, the high-dose analysis demonstrated a relative benefit of 0.9 (0.8 to 1.1), for the group receiving 18.75 mg, the relative benefit was 0.78 (0.65 to 0.93). For direct comparison of high dose versus 18.75 mg, the proportion of participants with at least 50% pain relief was 66% (90/137) for the high-dose arm versus 57% (77/135) in the low-dose arm. There were insufficient data for subgroup meta-analysis of different diclofenac formulations. AUTHORS' CONCLUSIONS The amount and quality of evidence for the use of intravenous diclofenac as a treatment for postoperative pain is low. The available evidence indicates that postoperative intravenous diclofenac administration offers good pain relief for the majority of patients, but further research may impact this estimate. Adverse events appear to occur at a similar rate to other NSAIDs. Insufficient information is available to assess whether intravenous diclofenac has a different rate of bleeding, renal dysfunction, or cardiovascular events versus other NSAIDs. There was insufficient information to evaluate the efficacy and safety of newer versus traditional formulations of intravenous diclofenac. There was a lack of studies in major and cardiovascular surgeries and in elderly populations, which may be at increased risk for adverse events.
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Affiliation(s)
- Ewan D McNicol
- Department of Anesthesiology and Perioperative Medicine, Tufts Medical Center, Boston, Massachusetts, USA
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Okuno M, Shiroko J, Taguchi D, Yamaguchi K, Takada J, Imai S, Sato H, Thanabashi S. The Effectiveness of the Rectal Administration of Low-dose Diclofenac for the Prevention of Post-endoscopic Retrograde Cholangiopancreatography Pancreatitis. Intern Med 2018; 57:2289-2294. [PMID: 29607957 PMCID: PMC6148161 DOI: 10.2169/internalmedicine.0554-17] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Objective A 50-100-mg rectal dose of nonsteroidal anti-inflammatory drugs (NSAIDs; diclofenac or indomethacin) has been shown to prevent post-endoscopic retrograde cholangiopancreatography (ERCP) pancreatitis (PEP). However, this is higher than the recommended 25-mg dose that is commonly administered to Japanese patients. The objective of this study was to evaluate the safety and efficacy of 25-mg rectal dose of diclofenac in preventing PEP. Methods Between January 2016 and March 2017, a total of 147 patients underwent ERCP with or without the rectal administration of diclofenac (25 mg) 20 min before the procedure. A retrospective analysis was conducted to evaluate the efficacy and safety of this dose in preventing PEP. Results Thirteen patients (8.8%) developed PEP: 3 patients (4.1%) in the diclofenac group and 10 (13.7%) in the control group (p=0.0460). After ERCP, there were no cases of gastrointestinal hemorrhage, ulceration, acute renal failure, or death. A multivariate logistic regression analysis revealed that the non-administration of rectal diclofenac was a risk factor for PEP (odds ratio=3.530; 95% confidence interval=1.017-16.35; p=0.0468). Conclusions A 25-mg rectal dose of diclofenac might prevent PEP.
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Affiliation(s)
- Mitsuru Okuno
- Department of Gastroenterology, Takayama Red Cross Hospital, Japan
| | - Junko Shiroko
- Department of Gastroenterology, Takayama Red Cross Hospital, Japan
| | - Daisuke Taguchi
- Department of Gastroenterology, Takayama Red Cross Hospital, Japan
| | | | - Jun Takada
- Department of Gastroenterology, Takayama Red Cross Hospital, Japan
| | - Susumu Imai
- Department of Gastroenterology, Takayama Red Cross Hospital, Japan
| | - Hiroyuki Sato
- Department of Gastroenterology, Takayama Red Cross Hospital, Japan
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