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Libero ML, Lucarini E, Recinella L, Ciampi C, Veschi S, Piro A, Chiavaroli A, Acquaviva A, Nilofar N, Orlando G, Generali D, Ghelardini C, di Cesare Mannelli L, Montero-Hidalgo AJ, Luque RM, Ferrante C, Menghini L, di Simone SC, Brunetti L, Leone S. Anti-inflammatory and anti-hyperalgesic effects induced by an aqueous aged black garlic extract in rodent models of ulcerative colitis and colitis-associated visceral pain. Phytother Res 2024. [PMID: 38923108 DOI: 10.1002/ptr.8270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 05/14/2024] [Accepted: 05/29/2024] [Indexed: 06/28/2024]
Abstract
Inflammatory bowel disease (IBD) is a morbid condition characterized by relapsing-remitting inflammation of the colon, accompanied by persistent gut dysmotility and abdominal pain. Different reports demonstrated biological activities of aged black garlic (ABG), including anti-inflammatory and antioxidant effects. We aimed to investigate beneficial effects exerted by ABGE on colon inflammation by using ex vivo and in vivo experimental models. We investigated the anti-inflammatory effects of an ABG water extract (ABGE) on rat colon specimens exposed to E. coli lipopolysaccharide (LPS), a known ex vivo experimental model of ulcerative colitis. We determined gene expression of various biomarkers involved in inflammation, including interleukin (IL)-1β, IL-6, nuclear factor-kB (NF-kB), tumor necrosis factor (TNF)-α. Moreover, we studied the acute effects of ABGE on visceral pain associated with colitis induced by 2,4-di-nitrobenzene sulfonic acid (DNBS) injection in rats. ABGE suppressed LPS-induced gene expression of IL-1β, IL-6, NF-kB, and TNF-α. In addition, the acute administration of ABGE (0.03-1 g kg-1) dose-dependently relieved post-inflammatory visceral pain, with the higher dose (1 g kg-1) able to significantly reduce both the behavioral nociceptive response and the entity of abdominal contraction (assessed by electromyography) in response to colorectal distension after the acute administration in DNBS-treated rats. Present findings showed that ABGE could represent a potential strategy for treatment of colitis-associated inflammatory process and visceral pain. The beneficial effects induced by the extract could be related to the pattern of polyphenolic composition, with particular regard to gallic acid and catechin.
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Affiliation(s)
- Maria Loreta Libero
- Department of Pharmacy, "G. d'Annunzio" University, Chieti, Italy
- Department of Cell Biology, Physiology and Immunology, University of Cordoba, Cordoba, Spain
| | - Elena Lucarini
- Department of Neuroscience, Psychology, Drug Research and Child Health-NEUROFARBA-Pharmacology and Toxicology Section, University of Florence, Florence, Italy
| | - Lucia Recinella
- Department of Pharmacy, "G. d'Annunzio" University, Chieti, Italy
| | - Clara Ciampi
- Department of Neuroscience, Psychology, Drug Research and Child Health-NEUROFARBA-Pharmacology and Toxicology Section, University of Florence, Florence, Italy
| | - Serena Veschi
- Department of Pharmacy, "G. d'Annunzio" University, Chieti, Italy
| | - Anna Piro
- Department of Pharmacy, "G. d'Annunzio" University, Chieti, Italy
| | | | | | - Nilofar Nilofar
- Department of Pharmacy, "G. d'Annunzio" University, Chieti, Italy
| | - Giustino Orlando
- Department of Pharmacy, "G. d'Annunzio" University, Chieti, Italy
| | - Daniele Generali
- Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
- Department of Advanced Translational Microbiology, Institute for Maternal and Child Health-IRCCS "Burlo Garofolo", Trieste, Italy
| | - Carla Ghelardini
- Department of Neuroscience, Psychology, Drug Research and Child Health-NEUROFARBA-Pharmacology and Toxicology Section, University of Florence, Florence, Italy
| | - Lorenzo di Cesare Mannelli
- Department of Neuroscience, Psychology, Drug Research and Child Health-NEUROFARBA-Pharmacology and Toxicology Section, University of Florence, Florence, Italy
| | - Antonio J Montero-Hidalgo
- Department of Cell Biology, Physiology and Immunology, University of Cordoba, Cordoba, Spain
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Cordoba, Spain
- Reina Sofia University Hospital (HURS), Cordoba, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Cordoba, Spain
| | - Raúl M Luque
- Department of Cell Biology, Physiology and Immunology, University of Cordoba, Cordoba, Spain
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Cordoba, Spain
- Reina Sofia University Hospital (HURS), Cordoba, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Cordoba, Spain
| | - Claudio Ferrante
- Department of Pharmacy, "G. d'Annunzio" University, Chieti, Italy
| | - Luigi Menghini
- Department of Pharmacy, "G. d'Annunzio" University, Chieti, Italy
| | | | - Luigi Brunetti
- Department of Pharmacy, "G. d'Annunzio" University, Chieti, Italy
| | - Sheila Leone
- Department of Pharmacy, "G. d'Annunzio" University, Chieti, Italy
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Presto P, Sehar U, Kopel J, Reddy PH. Mechanisms of pain in aging and age-related conditions: Focus on caregivers. Ageing Res Rev 2024; 95:102249. [PMID: 38417712 DOI: 10.1016/j.arr.2024.102249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 02/13/2024] [Accepted: 02/22/2024] [Indexed: 03/01/2024]
Abstract
Pain is a complex, subjective experience that can significantly impact quality of life, particularly in aging individuals, by adversely affecting physical and emotional well-being. Whereas acute pain usually serves a protective function, chronic pain is a persistent pathological condition that contributes to functional deficits, cognitive decline, and emotional disturbances in the elderly. Despite substantial progress that has been made in characterizing age-related changes in pain, complete mechanistic details of pain processing mechanisms in the aging patient remain unknown. Pain is particularly under-recognized and under-managed in the elderly, especially among patients with Alzheimer's disease (AD), Alzheimer's disease-related dementias (ADRD), and other age-related conditions. Furthermore, difficulties in assessing pain in patients with AD/ADRD and other age-related conditions may contribute to the familial caregiver burden. The purpose of this article is to discuss the mechanisms and risk factors for chronic pain development and persistence, with a particular focus on age-related changes. Our article also highlights the importance of caregivers working with aging chronic pain patients, and emphasizes the urgent need for increased legislative awareness and improved pain management in these populations to substantially alleviate caregiver burden.
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Affiliation(s)
- Peyton Presto
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA; Department of Pharmacology and Neuroscience, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Ujala Sehar
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
| | - Jonathan Kopel
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
| | - P Hemachandra Reddy
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA; Nutritional Sciences Department, College of Human Sciences, Texas Tech University, Lubbock, TX 79409, USA; Department of Speech, Language and Hearing Sciences, School Health Professions, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA; Department of Public Health, School of Population and Public Health, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA; Neurology, Departments of School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA; Department of Pharmacology and Neuroscience, Texas Tech University Health Sciences Center, Lubbock, TX, USA.
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Chiavaroli A, Masciulli F, Ingallina C, Mannina L, Loreta Libero M, Di Simone SC, Acquaviva A, Nilofar, Recinella L, Leone S, Brunetti L, Carradori S, Cantò L, Orlando G, Zengin G, Ibrahim Uba A, Cakilcioğlu U, Mukemre M, Elkiran O, Di Vito M, Menghini L, Ferrante C. Comprehensive metabolite and biological profile of "Sulmona Red Garlic" ecotype's aerial bulbils. Food Res Int 2024; 175:113654. [PMID: 38129017 DOI: 10.1016/j.foodres.2023.113654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/25/2023] [Accepted: 10/31/2023] [Indexed: 12/23/2023]
Abstract
"Sulmona Red Garlic" is a well-known Italian traditional product. Bulbs, used for culinary purposes, have been largely investigated for their medicinal properties whereas aerial bulbils are usually removed as waste material. Here, for the first time, chemical composition and biological properties of the hydroalcoholic extract from aerial bulbils were investigated. Complementary information on metabolite composition were obtained using both NMR based untargeted and HPLC-DAD targeted methodologies. The NMR analysis revealed the presence of sugars, organic acids, amino acids, organosulphur compounds (methiin, alliin, allicin and cycloalliin), and other secondary metabolites. In particular, methiin and alliin were identified for the first time in the NMR spectra of aerial bulbil garlic extracts. Polyphenol content was determined by HPLC-DAD analysis: catechin, chlorogenic acid, and gallic acid turned out to be the most abundant phenolics. Hydroalcoholic extract blocked cell proliferation of colon cancer cell line HCT116 with an IC50 of 352.07 µg/mL, while it was non-toxic to myoblast cell line C2C12. In addition, it caused seedling germination reduction of two edible and herbaceous dicotyledon species, namely Cichorium intybus and C. endivia. Moreover, the same extract reduced the gene expression of TNF-α (tumor necrosis factor), HIF1-α (hypoxia-inducible factor), VEGFA (vascular endothelial growth factor), and transient receptor potential (TRP) M8 (TRPM8) indicating the ability to contrast cancer development through the angiogenic pathway. Final, in silico experiments were also carried out supporting the biological effects of organosulphur compounds, particularly alliin, which may directly interact with TRPM8. The results here reported suggest the potential use of garlic aerial bulbils often considered a waste product as a source in phytotherapeutic remedies.
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Affiliation(s)
- Annalisa Chiavaroli
- Department of Pharmacy, G. d'Annunzio University of Chieti-Pescara, Chieti, Italy.
| | - Fabrizio Masciulli
- Food Chemistry Lab, Department of Chemistry and Technology of Drugs, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; NMR Lab, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Cinzia Ingallina
- Food Chemistry Lab, Department of Chemistry and Technology of Drugs, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; NMR Lab, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Luisa Mannina
- Food Chemistry Lab, Department of Chemistry and Technology of Drugs, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; NMR Lab, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Maria Loreta Libero
- Department of Pharmacy, G. d'Annunzio University of Chieti-Pescara, Chieti, Italy.
| | | | - Alessandra Acquaviva
- Department of Pharmacy, G. d'Annunzio University of Chieti-Pescara, Chieti, Italy.
| | - Nilofar
- Department of Pharmacy, G. d'Annunzio University of Chieti-Pescara, Chieti, Italy.
| | - Lucia Recinella
- Department of Pharmacy, G. d'Annunzio University of Chieti-Pescara, Chieti, Italy.
| | - Sheila Leone
- Department of Pharmacy, G. d'Annunzio University of Chieti-Pescara, Chieti, Italy.
| | - Luigi Brunetti
- Department of Pharmacy, G. d'Annunzio University of Chieti-Pescara, Chieti, Italy.
| | - Simone Carradori
- Department of Pharmacy, G. d'Annunzio University of Chieti-Pescara, Chieti, Italy.
| | - Luca Cantò
- Department of Pharmacy, G. d'Annunzio University of Chieti-Pescara, Chieti, Italy.
| | - Giustino Orlando
- Department of Pharmacy, G. d'Annunzio University of Chieti-Pescara, Chieti, Italy.
| | - Gokhan Zengin
- Physiology and Biochemistry Laboratory, Department of Biology, Science Faculty, Selcuk University, Konya, Turkey.
| | - Abdullah Ibrahim Uba
- College of Science and Mathematics, Rowan University, Glassboro, NJ 08028, United States
| | - Ugur Cakilcioğlu
- Pertek Sakine Genç Vocational School, Munzur University, Tunceli, Pertek 62500, Turkey
| | - Muzaffer Mukemre
- Department of Plant and Animal Production, Yuksekova Vocational School, Hakkari University, Hakkari 30100, Turkey
| | - Omer Elkiran
- Vocational School of Health Services, Department of Environmental Health, Sinop University, Sinop, Turkey
| | - Maura Di Vito
- Dip. di Scienze biotecnologiche di base, cliniche intensivologiche e perioperatorie Università Cattolica del Sacro Cuore, Largo Agostino Gemelli, 00168 Rome, Italy.
| | - Luigi Menghini
- Department of Pharmacy, G. d'Annunzio University of Chieti-Pescara, Chieti, Italy.
| | - Claudio Ferrante
- Department of Pharmacy, G. d'Annunzio University of Chieti-Pescara, Chieti, Italy
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Nasiri E, Orimi JR, Aghabeiglooei Z, Walker-Meikle K, Amrollahi-Sharifabadi M. Avicenna's pharmacopeia for the treatment of animal bites. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:3375-3393. [PMID: 37368027 DOI: 10.1007/s00210-023-02586-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 06/16/2023] [Indexed: 06/28/2023]
Abstract
Envenomation is a common medical problem. The Canon of Medicine written by Avicenna is one of the reliable sources of Persian medicine. The present study aims to identify Avicenna's clinical pharmacology approach and the pharmacopeia used for the treatment of animal envenomations and also to evaluate the related data in light of the current medicine. The Canon of Medicine was searched using related Arabic keywords for the contents about the treatment of animal bites. A literature search was conducted in scientific databases including PubMed, Scopus, Google Scholar, and Web of Science to obtain relevant data. Avicenna recommended one hundred and eleven medicinal plants for the treatment of bites of vertebrate and invertebrate venomous animals including snakes, scorpions, spiders, wasps, and centipedes. He mentioned different methods of administrating these drugs including oral drugs, lotions, sprayed drugs, slow-dissolving tablets in the mouth, and enemas. Moreover, he paid special attention to pain relief in addition to specific treatments for animal bites. In the Canon of Medicine, Avicenna recommended several medicinal plants alongside analgesics for the management and treatment of animal envenomations. The current research elucidates the clinical pharmacology and pharmacopeia of Avicenna for the treatment of animal envenomations. Further research is encouraged to evaluate the efficacy of these therapeutic agents for the treatment of animal bites.
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Affiliation(s)
- Ebrahim Nasiri
- Department of Anesthesiology and Operating Room, Traditional and Complementary Medicine Research Center, Addiction Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | - Jamal Rezaei Orimi
- Department of History of Medical Sciences, School of Allied of Medical Sciences, Mazanadaran University of Medical Sciences, Sari, Iran
| | - Zahra Aghabeiglooei
- Department of Traditional Medicine, School of Persian Medicine, Tehran University of Medical Sciences, No. 27, Sarparast Ave., Taleqani St., Tehran, Iran.
| | | | - Mohammad Amrollahi-Sharifabadi
- Department of Basic Sciences, Faculty of Veterinary Medicine, Lorestan University, 5th Kilometer of Khorramabad-Boroujerd Highway, Khorramabad, 68151-44316, Iran.
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Long Z, Xiang W, He Q, Xiao W, Wei H, Li H, Guo H, Chen Y, Yuan M, Yuan X, Zeng L, Yang K, Deng Y, Huang Z. Efficacy and safety of dietary polyphenols in rheumatoid arthritis: A systematic review and meta-analysis of 47 randomized controlled trials. Front Immunol 2023; 14:1024120. [PMID: 37033930 PMCID: PMC10073448 DOI: 10.3389/fimmu.2023.1024120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 01/27/2023] [Indexed: 04/11/2023] Open
Abstract
OBJECTIVE To evaluate safety and efficacy of dietary polyphenols in the treatment of rheumatoid arthritis (RA). METHODS CNKI, Pubmed, Cochrane library, Embase were searched to collect randomized controlled trials (RCTs) of dietary polyphenols in the treatment of RA. The databases were searched from the time of their establishment to November 8nd, 2022. After 2 reviewers independently screened the literature, extracted data, and assessed the risk of bias of the included studies, Meta-analysis was performed using RevMan5.4 software. RESULTS A total of 49 records (47 RCTs) were finally included, involving 3852 participants and 15 types of dietary polyphenols (Cinnamon extract, Cranberry extract, Crocus sativus L. extract, Curcumin, Garlic extract, Ginger extract, Hesperidin, Olive oil, Pomegranate extract, Puerarin, Quercetin, Resveratrol, Sesamin, Tea polyphenols, Total glucosides of paeony). Pomegranate extract, Resveratrol, Garlic extract, Puerarin, Hesperidin, Ginger extract, Cinnamon extract, Sesamin only involve in 1 RCT. Cranberry extract, Crocus sativus L. extract, Olive oil, Quercetin, Tea polyphenols involve in 2 RCTs. Total glucosides of paeony and Curcumin involve in more than 3 RCTs. These RCTs showed that these dietary polyphenols could improve disease activity score for 28 joints (DAS28), inflammation levels or oxidative stress levels in RA. The addition of dietary polyphenols did not increase adverse events. CONCLUSION Dietary polyphenols may improve DAS28, reduce C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR), and improve oxidative stress, etc. However, more RCTs are needed to verify or modify the efficacy and safety of dietary polyphenols. SYSTEMATIC REVIEW REGISTRATION https://www.crd.york.ac.uk/prospero/, identifier CRD42022315645.
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Affiliation(s)
- Zhiyong Long
- Department of Rehabilitation Medicine, Guangzhou Panyu Central Hospital, Guangzhou, China
- *Correspondence: Zhiyong Long, ; Wang Xiang, ; Wei Xiao, ; Zhen Huang,
| | - Wang Xiang
- The First People's Hospital of Changde City, Changde, China
- *Correspondence: Zhiyong Long, ; Wang Xiang, ; Wei Xiao, ; Zhen Huang,
| | - Qi He
- People's Hospital of Ningxiang City, Ningxiang, China
| | - Wei Xiao
- The First People's Hospital of Changde City, Changde, China
- *Correspondence: Zhiyong Long, ; Wang Xiang, ; Wei Xiao, ; Zhen Huang,
| | - Huagen Wei
- Dental Materials Science, Applied Oral Sciences and Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Hao Li
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hua Guo
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yuling Chen
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Mengxia Yuan
- Joint Shantou International Eye Center of Shantou University and The Chinese University of Hong Kong, Shantou University Medical College, Shantou, China
| | - Xiao Yuan
- Hunan University of Chinese Medicine, Changsha, China
| | - Liuting Zeng
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Kailin Yang
- Hunan University of Chinese Medicine, Changsha, China
| | | | - Zhen Huang
- Department of Rehabilitation Medicine, Guangzhou Panyu Central Hospital, Guangzhou, China
- *Correspondence: Zhiyong Long, ; Wang Xiang, ; Wei Xiao, ; Zhen Huang,
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Redwood E, Lam V, Takechi R, Kerr DA, Jackaman C, Sharif A, Mamo JCL. Aged garlic extract as a potential prophylactic to reduce the progression of endometriosis and associated pain burden. FRONTIERS IN PAIN RESEARCH 2022; 3:1057830. [PMID: 36466216 PMCID: PMC9714464 DOI: 10.3389/fpain.2022.1057830] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 10/31/2022] [Indexed: 08/31/2023] Open
Abstract
Endometriosis is a complex and potentially debilitating condition that has major impact on quality of life. There is emerging evidence that biological compounds found in garlic (Allium sativum) may be effective for attenuating endometrial pain. Suggested mechanisms for efficacy include modulation of inflammation and potent antioxidant effects. Aged-garlic-extract (AGE) is a centuries old process describing ethanolic extracts of garlic bulbs for 12-20 months. The AGE formulation realised contains a complex array of stabilised biologics with significant immunomodulatory effects relevant to inflammatory conditions. This perspective article puts forward a hypothesis that AGE should be considered as a prophylactic to manage endometrial pain.
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Affiliation(s)
- Emily Redwood
- School of Population Health, Curtin University, Perth, WA, Australia
- Curtin Health Innovation Research Institute, Curtin University, Perth, WA, Australia
| | - Virginie Lam
- School of Population Health, Curtin University, Perth, WA, Australia
- Curtin Health Innovation Research Institute, Curtin University, Perth, WA, Australia
| | - Ryusuke Takechi
- School of Population Health, Curtin University, Perth, WA, Australia
- Curtin Health Innovation Research Institute, Curtin University, Perth, WA, Australia
| | - Deborah Anne Kerr
- School of Population Health, Curtin University, Perth, WA, Australia
- Curtin Health Innovation Research Institute, Curtin University, Perth, WA, Australia
| | - Connie Jackaman
- Curtin Health Innovation Research Institute, Curtin University, Perth, WA, Australia
- Curtin Medical School, Curtin University, Perth, WA, Australia
| | - Arazu Sharif
- Curtin Health Innovation Research Institute, Curtin University, Perth, WA, Australia
- Curtin Medical School, Curtin University, Perth, WA, Australia
| | - John Charles Louis Mamo
- School of Population Health, Curtin University, Perth, WA, Australia
- Curtin Health Innovation Research Institute, Curtin University, Perth, WA, Australia
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László S, Hajna Z, Egyed A, Pintér E, Wagner Ö. Development of a Silicone-Based Polymer Matrix as a Suitable Transdermal Therapeutic System for Diallyl Disulfide. Pharmaceuticals (Basel) 2022; 15:ph15101182. [PMID: 36297294 PMCID: PMC9612217 DOI: 10.3390/ph15101182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/14/2022] [Accepted: 09/16/2022] [Indexed: 11/16/2022] Open
Abstract
There is an unmet need for novel therapeutic tools relieving chronic pain. Hydrogen sulfide (H2S) is highly involved in pain processes; however, the development of ideal matrices for sulfide donor compounds remains a great pharmaceutical challenge. We aimed to establish a suitable transdermal therapeutic system (TTS) using the H2S donor diallyl disulfide (DADS) as a model compound. After the preparation of DADS, its solubility was investigated in different liquid excipients (propylene glycol, polyethylene glycol, silicone oil) and its membrane diffusivity was assessed in silicone matrices of different compositions. Drug-releasing properties of DADS-containing patches with different silicone oil contents were determined with Franz and flow-through cells. We found a correlation between the liquid excipient content of the patch and the diffusion rate of DADS. DADS showed the best solubility in dimethyl silicone oil, and the diffusion constant was proportional to the amount of oil above the 3 m/m% threshold value. The 8-day-old patch showed a significantly lower, but better-regulated, drug release over time than the 4-day-old one. In conclusion, the silicone-based polymer matrix developed in this study is suitable for stable storage and optimal release of DADS, providing a good basis for a TTS applied in chronic pain.
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Affiliation(s)
- Szabolcs László
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Szigeti u. 12., H-7624 Pécs, Hungary
- Department of Inorganic and Analytical Chemistry, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem rkp. 3., H-1111 Budapest, Hungary
| | - Zsófia Hajna
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Szigeti u. 12., H-7624 Pécs, Hungary
- Molecular Pharmacology Research Group, Szentágothai Research Centre, University of Pécs, Ifjúság ú. 20., H-7624 Pécs, Hungary
- Correspondence: ; Tel.: +36-72-538-212
| | - Attila Egyed
- Medicinal Chemistry Research Group, Research Centre for Natural Sciences, Magyar Tudósok Körútja 2., H-1117 Budapest, Hungary
| | - Erika Pintér
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Szigeti u. 12., H-7624 Pécs, Hungary
- Molecular Pharmacology Research Group, Szentágothai Research Centre, University of Pécs, Ifjúság ú. 20., H-7624 Pécs, Hungary
| | - Ödön Wagner
- Department of Inorganic and Analytical Chemistry, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem rkp. 3., H-1111 Budapest, Hungary
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