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Satapathy BS, Mishra A, Biswal SK, Pattnaik S, Parida R, Biswal B, Shaw TK. Encapsulation of Alpinia leaf essential oil in nanophytosome-embedded gel as novel strategy to treat periodontal infections: evaluation of antimicrobial effectiveness, pharmacokinetic, in vitro-ex vivo correlation and in silico studies. J Microencapsul 2024; 41:327-344. [PMID: 38829223 DOI: 10.1080/02652048.2024.2354234] [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: 12/22/2023] [Accepted: 05/08/2024] [Indexed: 06/05/2024]
Abstract
AIM The work reports a novel nanophytosomal gel encapsulating Alpinia galanga (L.) Willd leaf essential oil to treat periodontal infections. METHODS Alpinia oil-loaded nanophytosomes (ANPs) were formulated by lipid layer hydration technique and were evaluated by FESEM, cryo-TEM, loading efficiency, zeta potential, particle size, release profile etc. Selected ANPs-loaded gel (ANPsG) was evaluated by both in vitro and in vivo methods. RESULTS Selected ANPs were spherical, unilamellar, 49.32 ± 2.1 nm size, 0.45 PDI, -46.7 ± 0.8 mV zeta potential, 9.8 ± 0.5% (w/w) loading, 86.4 ± 3.02% (w/w) loading efficiency with sustained release profile. ANPsG showed good spreadability (6.8 ± 0.3 gm.cm/sec), extrudability (79.33 ± 1.5%), viscosity (36522 ± 0.82 cps), mucoadhesive strength (44.56 ± 3.5 gf) with sustained ex vivo release tendency. Satisfied ZOI and MIC was observed for ANPsG against periodontal bacteria vs. standard/control. ANPsG efficiently treated infection in ligature induced periodontitis model. Key pharmacokinetic parameters like AUC, MRT, Vd were enhanced for ANPsG. CONCLUSION ANPsG may be investigated for futuristic clinical studies.
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Affiliation(s)
| | - Abhishek Mishra
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan University, Bhubaneswar, India
| | | | - Snigdha Pattnaik
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan University, Bhubaneswar, India
| | - Reena Parida
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan University, Bhubaneswar, India
| | - Biswabhusan Biswal
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan University, Bhubaneswar, India
| | - Tapan Kumar Shaw
- Department of Pharmaceutical Technology, JIS University, Kolkata, India
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Wu M, Zhang W, Zhou X, Wang Z, Li S, Guo C, Yang Y, Zhang R, Zhang Z, Sun X, Gong T. An in situ forming gel co-loaded with pirarubicin and celecoxib inhibits postoperative recurrence and metastasis of breast cancer. Int J Pharm 2024; 653:123897. [PMID: 38360289 DOI: 10.1016/j.ijpharm.2024.123897] [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: 11/21/2023] [Revised: 01/16/2024] [Accepted: 02/07/2024] [Indexed: 02/17/2024]
Abstract
Surgical removal combined with postoperative chemotherapy is still the mainstay of treatment for most solid tumors. Although chemotherapy reduces the risk of recurrence and metastasis after surgery, it may produce serious adverse effects and impair patient compliance. In situ drug delivery systems are promising tools for postoperative cancer treatment, improving drug delivery efficiency and reducing side effects. Herein, an injectable phospholipid-based in situ forming gel (IPG) was prepared for the co-delivery of antitumor agent pirarubicin (THP) and cyclooxygenase-2 (COX-2) inhibitor celecoxib (CXB) in the surgical incision, and the latter are used extensively in adjuvant chemotherapy for cancer. After injection, the IPG co-loaded with THP and CXB (THP-CXB-IPG) underwent spontaneous phase transition and formed a drug reservoir that fitted the irregular surgical incisions perfectly. In vitro drug release studies and in vivo pharmacokinetic analysis had demonstrated the sustained release behaviors of THP-CXB-IPG. The in vivo therapeutic efficacy was evaluated in mice that had undergone surgical resection of breast cancer, and the THP-CXB-IPG showed considerable inhibition of residual tumor growth after surgery and reduced the incidence of pulmonary metastasis. Moreover, it reduced the systemic toxicity of chemotherapeutic agents. Therefore, THP-CXB-IPG can be a promising candidate for preventing postoperative recurrence and metastasis.
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Affiliation(s)
- Mengying Wu
- Key Laboratory of Drug Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Wei Zhang
- Key Laboratory of Drug Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Xueru Zhou
- Key Laboratory of Drug Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Zijun Wang
- Key Laboratory of Drug Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Sha Li
- NMPA Key Laboratory for Technical Research on Drug Products in Vitro and in Vivo Correlation, Bioanalytical Service Center of Sichuan Institute for Drug Control, Chengdu 611731, China
| | - Chenqi Guo
- Key Laboratory of Drug Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Yuping Yang
- Key Laboratory of Drug Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Rongping Zhang
- Key Laboratory of Drug Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Zhirong Zhang
- Key Laboratory of Drug Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Xun Sun
- Key Laboratory of Drug Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Tao Gong
- Key Laboratory of Drug Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
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Sharma R, Yadav S, Yadav V, Akhtar J, Katari O, Kuche K, Jain S. Recent advances in lipid-based long-acting injectable depot formulations. Adv Drug Deliv Rev 2023; 199:114901. [PMID: 37257756 DOI: 10.1016/j.addr.2023.114901] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 04/28/2023] [Accepted: 05/23/2023] [Indexed: 06/02/2023]
Abstract
Long-acting injectable (LAIs) delivery systems sustain the drug therapeutic action in the body, resulting in reduced dosage regimen, toxicity, and improved patient compliance. Lipid-based depots are biocompatible, provide extended drug release, and improve drug stability, making them suitable for systemic and localized treatment of various chronic ailments, including psychosis, diabetes, hormonal disorders, arthritis, ocular diseases, and cancer. These depots include oil solutions, suspensions, oleogels, liquid crystalline systems, liposomes, solid lipid nanoparticles, nanostructured lipid carriers, phospholipid phase separation gel, vesicular phospholipid gel etc. This review summarizes recent advancements in lipid-based LAIs for delivering small and macromolecules, and their potential in managing chronic diseases. It also provides an overview of the lipid depots available in market or clinical phase, as well as patents for lipid-based LAIs. Furthermore, this review critically discusses the current scenario of using in vitro release methods to establish IVIVC and highlights the challenges involved in developing lipid-based LAIs.
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Affiliation(s)
- Reena Sharma
- Department of Pharmaceutics, Centre for Pharmaceutical Nanotechnology, National Institute of Pharmaceutical Education & Research (NIPER), Sector 67, S.A.S. Nagar (Mohali), Punjab 160062, India
| | - Sheetal Yadav
- Department of Pharmaceutics, Centre for Pharmaceutical Nanotechnology, National Institute of Pharmaceutical Education & Research (NIPER), Sector 67, S.A.S. Nagar (Mohali), Punjab 160062, India
| | - Vivek Yadav
- Department of Pharmaceutics, Centre for Pharmaceutical Nanotechnology, National Institute of Pharmaceutical Education & Research (NIPER), Sector 67, S.A.S. Nagar (Mohali), Punjab 160062, India
| | - Junia Akhtar
- Department of Pharmaceutics, Centre for Pharmaceutical Nanotechnology, National Institute of Pharmaceutical Education & Research (NIPER), Sector 67, S.A.S. Nagar (Mohali), Punjab 160062, India
| | - Oly Katari
- Department of Pharmaceutics, Centre for Pharmaceutical Nanotechnology, National Institute of Pharmaceutical Education & Research (NIPER), Sector 67, S.A.S. Nagar (Mohali), Punjab 160062, India
| | - Kaushik Kuche
- Department of Pharmaceutics, Centre for Pharmaceutical Nanotechnology, National Institute of Pharmaceutical Education & Research (NIPER), Sector 67, S.A.S. Nagar (Mohali), Punjab 160062, India
| | - Sanyog Jain
- Department of Pharmaceutics, Centre for Pharmaceutical Nanotechnology, National Institute of Pharmaceutical Education & Research (NIPER), Sector 67, S.A.S. Nagar (Mohali), Punjab 160062, India.
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Peng X, Yang Y, Guo C, He Q, Li Y, Gong T, Li J. A sustained-release phospholipid-based phase separation gel loaded with berberine for treating rheumatoid arthritis. Front Pharmacol 2023; 14:1210129. [PMID: 37547331 PMCID: PMC10397395 DOI: 10.3389/fphar.2023.1210129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 07/11/2023] [Indexed: 08/08/2023] Open
Abstract
Berberine (BBR) has a long history of use in the treatment of Rheumatoid arthritis (RA) and is considered one of the most promising natural product for the treatment of RA. However, oral administration of berberine has low bioavailability and requires frequent administration, resulting in poor patient compliance. In this study, we developed a BBR-loaded phospholipid-based phase separation gel (BBR-PPSG) to achieve sustained drug release and long-term therapeutic effect. The stability of BBR-PPSG was verified and it was found that it can be stored for a long time. The pharmacokinetic study on rats and rabbits showed that BBR-PPSG not only achieved 1-month of sustained release, but also significantly increased the area under the curve (AUC) by nearly 9-fold and prolonged the half-life (t1/2) by 10-fold. By constructing rat and rabbit models of RA, we also proved that BBR-PPSG administration once a month effectively alleviated joint swelling, and significantly reduce TNF-α levels in AIA rats and OIA rabbits. Histopathological analysis of rabbit joint sections revealed that after intra-articular injection of BBR-PPSG, the synovial cell layer remained intact, while in the model group, the synovial cells were significantly reduced and exhibited necrosis. MicroCT data analysis showed that the values of Tb.N and Tb. Sp in the BBR-PPSG group were significantly better than those in the model group (p < 0.05). This study addressed the limitations of frequent administration of BBR by developing a phospholipid-based phase separation gel system for berberine delivery, achieving long-term sustained release. The BBR-PPSG demonstrated good biocompatibility, simple preparation and excellent stability, thus holding potential as a novel pharmaceutical formulation for RA treatment.
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Affiliation(s)
- Xiong Peng
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Yuping Yang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Chenqi Guo
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Qin He
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Yan Li
- Sichuan Institute for Drug Control, NMPA Key Laboratory for Quality Control and Evaluation of Vaccines and Biological Products, Chengdu, China
| | - Tao Gong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Jia Li
- National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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Yang Y, Luo S, Peng X, Zhao T, He Q, Wu M, Zhang W, Gong T, Zhang Z. An intra-articular injectable phospholipids-based gel for the treatment of rheumatoid arthritis. Asian J Pharm Sci 2023; 18:100777. [PMID: 36818955 PMCID: PMC9932361 DOI: 10.1016/j.ajps.2023.100777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 11/28/2022] [Accepted: 01/10/2023] [Indexed: 01/19/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory and destructive arthropathy with a high deformity rate. Despite numerous studies and clinical trials, no curative treatment is available for large weight-bearing joints. Intra-articular (IA) injections could deliver high concentrations of drug to the afflicted joint and improve the drug efficacy while reducing systemic toxicity. However, free drugs are rapidly cleared from synovial fluid and do not significantly halt the progression of joint disease. Herein, a phospholipids-based controlled-release gel was prepared for sustained IA delivery of celastrol (CEL) and the therapeutic efficiency was evaluated in a rheumatoid arthritis rabbit model. The CEL-loaded gel (CEL-gel) contained up to 70% phospholipids yet was easy to inject. After injecting into the joint cavity, CEL-gel achieved sol to gel phase transition without special stimuli and gelling agent. In vitro release and in vivo pharmacokinetic studies evidenced the stable and sustained release action of CEL-gel. A single IA injection of CEL-gel could maintain therapeutic efficiency for about 25 d and showed much better anti-arthritic efficacy compared to repeated injections of free drug solution (CEL-sol). Furthermore, the IA injection of CEL-gel greatly reduced the systemic toxicity of CEL. With good biocompatibility and biodegradability, CEL-gel might be a promising IA drug delivery system.
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Affiliation(s)
- Yuping Yang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610064, China
| | - Shiqin Luo
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610064, China
| | - Xiong Peng
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610064, China
| | - Ting Zhao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610064, China
| | - Qin He
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610064, China,Department of Pharmacy, West China Hospital Sichuan University Jintang Hospital, Chengdu, 610000, China
| | - Mengying Wu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610064, China
| | - Wei Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610064, China
| | - Tao Gong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610064, China,Corresponding author.
| | - Zhirong Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610064, China
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6
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Dong N, Tang L, Zhao M, Zhang Y, Zhang Y, Yin T, He H, Gou J, Yuan Y, Tang X. Progesterone Phospholipid Gel for Intramuscular Administration Prepared by In Situ-Phase Separation. AAPS PharmSciTech 2022; 23:294. [DOI: 10.1208/s12249-022-02442-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 10/10/2022] [Indexed: 11/06/2022] Open
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Beig A, Ackermann R, Wang Y, Schutzman R, Schwendeman SP. Minimizing the initial burst of octreotide acetate based long-acting microspheres by the solvent evaporation method. Int J Pharm 2022; 624:121842. [DOI: 10.1016/j.ijpharm.2022.121842] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 05/11/2022] [Accepted: 05/16/2022] [Indexed: 11/24/2022]
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Zhou H, Chen D, Gong T, He Q, Guo C, Zhang P, Song X, Ruan J, Gong T. Chlorogenic acid sustained-release gel for treatment of glioma and hepatocellular carcinoma. Eur J Pharm Biopharm 2021; 166:103-110. [PMID: 34098074 DOI: 10.1016/j.ejpb.2021.05.028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 05/25/2021] [Accepted: 05/29/2021] [Indexed: 01/11/2023]
Abstract
Chlorogenic acid (CGA) may provide an effective and safe option for tumor treatment. However, its application is limited because of short residence time in vivo and repeated administration required. A phospholipid-based in situ gel containing chlorogenic acid (CGA PG) was prepared via a simple way. The CGA PG exhibited good fluidity, easy injectability, high-drug-loading capacity, and suitable sustained-release behavior whether in vitro or in vivo. Furthermore, CGA PG could suppress tumor growth with no significant side effects. Overall, CGA PG may be a promising sustained drug delivery system with excellent therapeutic effect on glioma and hepatocellular carcinoma.
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Affiliation(s)
- Hongli Zhou
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Dan Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Ting Gong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Qin He
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Chenqi Guo
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Pei Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Xu Song
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Jinghua Ruan
- The First Affiliated Hospital, Guiyang University of Chinese Medicine, Guiyang 550001, China.
| | - Tao Gong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China.
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Zhang P, Chen D, Tian Y, Li H, Gong T, Luo J, Ruan J, Gong T, Zhang Z. Comparison of three in-situ gels composed of different oil types. Int J Pharm 2020; 587:119707. [PMID: 32739391 DOI: 10.1016/j.ijpharm.2020.119707] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 07/07/2020] [Accepted: 07/25/2020] [Indexed: 02/07/2023]
Abstract
A phospholipid-based phase separation in-situ gel (PPSG) system, which consists of phospholipids, medium chain oil (triglyceride) and ethanol as basic ingredients, has been previously developed in our lab. In addition, glycerol monooleate (monoglyceride) and glycerol dioleate (diglyceride) were also reported to be able to form liquid crystal gels. Monoglyceride, diglyceride and triglyceride have different degrees of hydroxyl substitution in glycerol and therefore different amphiphilic properties, which may cause different properties of gels composed of them. In this experiment, glycerol monooleate (GMO), glycerol dioleate (GDO) and glycerol trioleate (GTO) were selected to prepare three kinds of PPSGs. We systematically studied their in-vitro and in-vivo physicochemical properties and investigated their drug release behavior with octreotide (OCT) as the model drug. The results showed that PPSG composed of GTO (GTO-gel) had a different microstructure, a slower solvent diffusion speed and the less irritation to skin. In addition, the drug release result showed that the GTO-gel group had a lower initial release rate and a more stable release profile. All results above indicated that GTO-gel had a greater potential as a drug delivery system.
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Affiliation(s)
- Pei Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Dan Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | | | - Haohuan Li
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Ting Gong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Jingwen Luo
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Jinghua Ruan
- The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, China
| | - Tao Gong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China.
| | - Zhirong Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
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Luo J, Gong T, Ma L. Chondroitin-modified lipid nanoparticles target the Golgi to degrade extracellular matrix for liver cancer management. Carbohydr Polym 2020; 249:116887. [PMID: 32933700 DOI: 10.1016/j.carbpol.2020.116887] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 08/01/2020] [Accepted: 08/01/2020] [Indexed: 12/15/2022]
Abstract
Liver cancer is a serious liver disease in which hepatoma cells and activated hepatic stellate cells (HSCs) overproduce extracellular matrix (ECM), which involves the Golgi apparatus. Here chondroitin-modified lipid nanoparticles (CSNs) were prepared and loaded with doxorubicin (DOX) and retinoic acid (RA) using a thin-film hydration-high pressure homogenization method. The resulting DOX + RA-CSNs were efficiently taken up by SMMC-7721 hepatoma cells and HSCs in culture, where they accumulated in the Golgi apparatus and destroyed it, inhibiting ECM production. Injecting DOX + RA-CSNs into mice with primary liver cancer or H22 allografts led to significantly higher tumor penetration by DOX and RA, greater antitumor efficacy, and lower DOX-related toxicity than injecting a solution of the two drugs. Immunofluorescence and immunohistochemistry of liver tissues showed that DOX + RA-CSNs dramatically reduced expression of the ECM components. These results suggest that CSNs show potential for targeting drugs to the Golgi apparatus of liver cancer cells and potentially other types of tumors.
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Affiliation(s)
- Jingwen Luo
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Hubei Key Laboratory of Industrial Biotechnology and Hubei Collaborative Innovation Center for Green Transformation of Bio-resources, School of Life Sciences, Hubei University, Wuhan, 430062, China
| | - Tao Gong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drugs and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
| | - Lixin Ma
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Hubei Key Laboratory of Industrial Biotechnology and Hubei Collaborative Innovation Center for Green Transformation of Bio-resources, School of Life Sciences, Hubei University, Wuhan, 430062, China.
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Rahnfeld L, Luciani P. Injectable Lipid-Based Depot Formulations: Where Do We Stand? Pharmaceutics 2020; 12:E567. [PMID: 32575406 PMCID: PMC7356974 DOI: 10.3390/pharmaceutics12060567] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 06/13/2020] [Accepted: 06/15/2020] [Indexed: 01/18/2023] Open
Abstract
The remarkable number of new molecular entities approved per year as parenteral drugs, such as biologics and complex active pharmaceutical ingredients, calls for innovative and tunable drug delivery systems. Besides making these classes of drugs available in the body, injectable depot formulations offer the unique advantage in the parenteral world of reducing the number of required injections, thus increasing effectiveness as well as patient compliance. To date, a plethora of excipients has been proposed to formulate depot systems, and among those, lipids stand out due to their unique biocompatibility properties and safety profile. Looking at the several long-acting drug delivery systems based on lipids designed so far, a legitimate question may arise: How far away are we from an ideal depot formulation? Here, we review sustained release lipid-based platforms developed in the last 5 years, namely oil-based solutions, liposomal systems, in situ forming systems, solid particles, and implants, and we critically discuss the requirements for an ideal depot formulation with respect to the used excipients, biocompatibility, and the challenges presented by the manufacturing process. Finally, we delve into lights and shadows originating from the current setups of in vitro release assays developed with the aim of assessing the translational potential of depot injectables.
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Affiliation(s)
- Lisa Rahnfeld
- Pharmaceutical Technology Research Group, Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland
| | - Paola Luciani
- Pharmaceutical Technology Research Group, Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland
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12
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Luo J, Zhang P, Liu R, Li X, Hua P, Li S, Zhang T, Zhang T, Fu Y, Song X, Gong T, Zhang Z. Efficient weapon for protracted warfare to malaria: A chondroitin sulfate derivates-containing injectable, ultra-long-lasting meshy-gel system. Carbohydr Polym 2019; 214:131-141. [DOI: 10.1016/j.carbpol.2019.03.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 02/26/2019] [Accepted: 03/01/2019] [Indexed: 11/25/2022]
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13
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Zhang T, Luo J, Peng Q, Dong J, Wang Y, Gong T, Zhang Z. Injectable and biodegradable phospholipid-based phase separation gel for sustained delivery of insulin. Colloids Surf B Biointerfaces 2019; 176:194-201. [DOI: 10.1016/j.colsurfb.2019.01.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 12/28/2018] [Accepted: 01/01/2019] [Indexed: 12/12/2022]
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14
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Zhang T, Qin XY, Cao X, Li WH, Gong T, Zhang ZR. Thymopentin-loaded phospholipid-based phase separation gel with long-lasting immunomodulatory effects: in vitro and in vivo studies. Acta Pharmacol Sin 2019; 40:514-521. [PMID: 30002492 DOI: 10.1038/s41401-018-0085-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 06/20/2018] [Indexed: 02/05/2023] Open
Abstract
Thymopentin (TP5) is an effective immunomodulatory agent for autoimmune disease that has been used clinically for decades. However, its application is greatly limited by its extremely short half-life in vivo, poor membrane permeability and extensive metabolism in gastrointestinal tract, resulting in repeated injection and poor patient compliance. In the present study, we developed a TP5-loaded, phospholipid-based phase separation gel (PPSG) to achieve sustained drug release profile and long-lasting therapeutic effects. We firstly demonstrated the physiochemical characteristics of PPSG before and after phase transition by examining the viscosity and morphology change caused by the phase transition. Moreover, the PPSG exerted a low cytotoxicity in L929 cells and HUVECs, suggesting the biocompatibility of PPSG. A month-long drug release profile of TP5 PPSG was observed both in vitro and in vivo, revealing its sustained and controlled drug release property. Most importantly, in cyclophosphamide-induced immunosuppressive rats, a single dose of TP5 PPSG (15 mg/kg, sc) injected could normalize their T-SOD levels and CD4+/CD8+ ratio; such an immunoregulatory effect was comparable to that produced by repeated injection of TP5 solution (0.6 mg/kg per day, sc) for 14 consecutive days. Thus, TP5 PPSG has a great potential for sustained delivery of TP5 in clinical use because of its simple manufacture process, good biocompatibility and long-lasting immunomodulatory efficacy, which could greatly improve patient compliance.
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15
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Li Z, Jiang X, Chen P, Wu X, Duan A, Qin Y. Combined effects of octreotide and cisplatin on the proliferation of side population cells from anaplastic thyroid cancer cell lines. Oncol Lett 2018; 16:4033-4042. [PMID: 30128025 PMCID: PMC6096104 DOI: 10.3892/ol.2018.9105] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Accepted: 07/20/2017] [Indexed: 02/07/2023] Open
Abstract
Anaplastic thyroid cancer (ATC) represents the most aggressive subtype of thyroid cancer and has a poor prognosis. In addition to surgery, chemotherapy is an important treatment for ATC; however, the therapeutic effects of current chemotherapies for ATC are not particularly promising. There is a high proportion of side population (SP) cells in ATC, which may be a reason for its drug resistance. In the present study, the antitumor activities of combined octreotide (OCT) and cisplatin (DDP) on the proliferation and apoptosis of ATC SP cells were evaluated. First, SP cells from 8305C and BHT101 cell lines were detected and sorted. Following in vitro culture for 1 week, cluster of differentiation (CD)44, CD133, ATP-binding cassette (ABC) subfamily B member 1 (ABCB1), ABC subfamily G member 2 (ABCG2) and somatostatin receptor expression was detected to characterize the SP cells. An MTT assay was performed to investigate the combined effects on 8305C-SP cell proliferation in vitro, and a mouse model was used to investigate the combined effects on 8305C-SP cell proliferation in vivo. Annexin V/propidium iodide staining was used to investigate the combined effects on 8305C-SP cell apoptosis. Chemotherapeutic drug resistance-associated protein expression and apoptosis-associated protein expression were also detected following combined treatment. As a result, SP cells were identified in 8305C and BHT101 cells, and the proportion of 8305C-SP cells was increased compared with that of BTH101-SP cells. SP cells have enhanced proliferation, tumorigenicity and drug resistance compared with main population cells. The combined treatment of OCT with DDP suppressed the proliferation of 8305C-SP cells in vitro and in vivo, and induced 8305C-SP cell apoptosis. Combined treatment decreased the ABCB1 and ABCG2 expression by SP cells and activated mitochondrial apoptotic signaling, resulting in cell apoptosis. In conclusion, these data support the hypothesis that combined treatment with OCT and DDP induces ATC cell apoptosis and suppresses cell proliferation. These data provide a theoretical basis for further combined chemotherapy clinical applications.
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Affiliation(s)
- Zhilan Li
- Department of Clinical Laboratory, The Seventh People's Hospital of Shanghai, Shanghai 200137, P.R. China
| | - Xiudi Jiang
- Department of Clinical Laboratory, The Seventh People's Hospital of Shanghai, Shanghai 200137, P.R. China
| | - Peihong Chen
- Department of Clinical Laboratory, The Seventh People's Hospital of Shanghai, Shanghai 200137, P.R. China
| | - Xuebing Wu
- Department of Blood Transfusion, The Seventh People's Hospital of Shanghai, Shanghai 200137, P.R. China
| | - Aihua Duan
- Department of Clinical Laboratory, The Seventh People's Hospital of Shanghai, Shanghai 200137, P.R. China
| | - Yiyu Qin
- Research Centre of Biomedical Technology, Clinic Medical College, Jiangsu Vocational College of Medicine, Yancheng, Jiangsu 224005, P.R. China
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16
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Vardhan H, Mittal P, Adena SKR, Upadhyay M, Yadav SK, Mishra B. Process optimization and in vivo performance of docetaxel loaded PHBV-TPGS therapeutic vesicles: A synergistic approach. Int J Biol Macromol 2018; 108:729-743. [DOI: 10.1016/j.ijbiomac.2017.10.172] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 09/16/2017] [Accepted: 10/26/2017] [Indexed: 12/17/2022]
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17
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Dawre S, Pathak S, Sharma S, Devarajan PV. Enhanced antimalalarial activity of a prolonged release in situ gel of arteether–lumefantrine in a murine model. Eur J Pharm Biopharm 2018; 123:95-107. [DOI: 10.1016/j.ejpb.2017.11.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 11/05/2017] [Accepted: 11/05/2017] [Indexed: 12/19/2022]
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18
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Song XL, Ju RJ, Xiao Y, Wang X, Liu S, Fu M, Liu JJ, Gu LY, Li XT, Cheng L. Application of multifunctional targeting epirubicin liposomes in the treatment of non-small-cell lung cancer. Int J Nanomedicine 2017; 12:7433-7451. [PMID: 29066893 PMCID: PMC5644542 DOI: 10.2147/ijn.s141787] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Chemotherapy for aggressive non-small-cell lung cancer (NSCLC) usually results in a poor prognosis due to tumor metastasis, vasculogenic mimicry (VM) channels, limited killing of tumor cells, and severe systemic toxicity. Herein, we developed a kind of multifunctional targeting epirubicin liposomes to enhance antitumor efficacy for NSCLC. In the liposomes, octreotide was modified on liposomal surface for obtaining a receptor-mediated targeting effect, and honokiol was incorporated into the lipid bilayer for inhibiting tumor metastasis and eliminating VM channels. In vitro cellular assays showed that multifunctional targeting epirubicin liposomes not only exhibited the strongest cytotoxic effect on Lewis lung tumor cells but also showed the most efficient inhibition on VM channels. Action mechanism studies showed that multifunctional targeting epirubicin liposomes could downregulate PI3K, MMP-2, MMP-9, VE-Cadherin, and FAK and activate apoptotic enzyme caspase 3. In vivo results exhibited that multifunctional targeting epirubicin liposomes could accumulate selectively in tumor site and display an obvious antitumor efficacy. In addition, no significant toxicity of blood system and major organs was observed at a test dose. Therefore, multifunctional targeting epirubicin liposomes may provide a safe and efficient therapy strategy for NSCLC.
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Affiliation(s)
- Xiao-Li Song
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian
| | - Rui-Jun Ju
- Department of Pharmaceutical Engineering, Beijing Institute of Petrochemical Technology, Beijing, China
| | - Yao Xiao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian
| | - Xin Wang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian
| | - Shuang Liu
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian
| | - Min Fu
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian
| | - Jing-Jing Liu
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian
| | - Li-Yan Gu
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian
| | - Xue-Tao Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian
| | - Lan Cheng
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian
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19
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Li H, Liu T, Zhu Y, Fu Q, Wu W, Deng J, Lan L, Shi S. An in situ-forming phospholipid-based phase transition gel prolongs the duration of local anesthesia for ropivacaine with minimal toxicity. Acta Biomater 2017; 58:136-145. [PMID: 28611004 DOI: 10.1016/j.actbio.2017.06.013] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 06/06/2017] [Accepted: 06/09/2017] [Indexed: 10/19/2022]
Abstract
An injectable, phospholipid-based phase transition gel (PPTG) has been developed for prolonging the release of ropivacaine (RO) for local anesthesia. PPTG was prepared by mixing phospholipids, medium-chain triglyceride and ethanol. Prior to injection, the PPTG is in a sol state with low viscosity. After subcutaneous injection, the PPTG rapidly forms a gel in situ, which acts as a drug release depot as verified by in vitro release profiles and in vivo pharmacokinetics. Administering RO-PPTG to rats led to a significantly smaller initial burst release than administering RO solution or RO base suspension. Nerve blockade in guinea pigs lasted 3-fold longer after injection of RO-PPTG than after injection of RO solution. RO-PPTG showed good biocompatibility and excellent degradability in vivo. These results suggest that this PPTG-based depot system may be useful for sustained release of local anesthetics to prolong analgesia without causing systemic toxicity. STATEMENT OF SIGNIFICANCE The sustained release of local anesthetics at the surgical site after a single injection is the optimal method to control post-surgical pain. In situ forming implant is an attractive alternative for the sustained release of local anesthetics. However, its practical use is highly limited by certain drawbacks including high viscosity, involved toxic organic solvents and fast drug release. To date, phospholipids-based phase transition gel (PPTG) is emerging for clinical development because of the non-toxicity, biocompatibility and ready availability of phospholipids in body. Thus, we present a novel strategy for sustained release of local anesthetics to control post-surgical pain based on PPTG, which showed a prolonged duration of nerve blockade and excellent biocompatibility.
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20
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Chen T, Gong T, Zhao T, Liu X, Fu Y, Zhang Z, Gong T. Paclitaxel loaded phospholipid-based gel as a drug delivery system for local treatment of glioma. Int J Pharm 2017; 528:127-132. [DOI: 10.1016/j.ijpharm.2017.06.013] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Revised: 06/01/2017] [Accepted: 06/04/2017] [Indexed: 11/28/2022]
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21
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Wei G, Song X, Fu Y, Gong T, Zhang Q. Sustained-release mitochondrial protonophore reverses nonalcoholic fatty liver disease in rats. Int J Pharm 2017; 530:230-238. [PMID: 28754512 DOI: 10.1016/j.ijpharm.2017.07.072] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 07/22/2017] [Accepted: 07/24/2017] [Indexed: 02/04/2023]
Abstract
As a mitochondrial uncoupler, 2,4-dinitrophenol (DNP) is proven therapeutically effective against nonalcoholic fatty liver disease (NAFLD) by uncoupling oxidation and phosphorylation. However, a major factor that impedes the clinical application of DNP is the significant side effects derived from its frequent hyperthermia and even death. In this study, we developed an injectable liquid crystal gel (DNP-LC-gel) to reduce the toxicity of DNP. DNP-LC-gel achieved sustained release and maintained DNP plasma concentration at an effective drug level. In a rat model of NAFLD, DNP-LC-gel treated rats reduced hepatic steatosis, liver triglyceride content, plasma triacylglycerol (TG) and total cholesterol (TC) content. Compared with DNP solution (DNP-soln), rats after DNP-LC-gel treatment showed no body temperature toxicity and local irritation. All results above indicated that DNP-LC-gel has a great potential for NAFLD therapy.
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Affiliation(s)
- Guangfei Wei
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Xu Song
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Yao Fu
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Tao Gong
- Key Laboratory of Drug Targeting and Drug Delivery System, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Quan Zhang
- School of Pharmacy, Chengdu Medical College, No. 783, Xindu Avenue, Chengdu, Sichuan, 610500, China.
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22
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Frank N, Hermida P, Sanchez-Londoño A, Singh R, Gradil CM, Uricchio CK. Blood Glucose and Insulin Concentrations after Octreotide Administration in Horses With Insulin Dysregulation. J Vet Intern Med 2017; 31:1188-1192. [PMID: 28503791 PMCID: PMC5508354 DOI: 10.1111/jvim.14718] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Revised: 01/16/2017] [Accepted: 03/22/2017] [Indexed: 02/02/2023] Open
Abstract
Background Octreotide is a somatostatin analog that suppresses insulin secretion. Hypothesis We hypothesized that octreotide would suppress insulin concentrations in horses and that normal (N) horses and those with insulin dysregulation (ID) would differ significantly in their plasma glucose and insulin responses to administration of octreotide. Animals Twelve horses, N = 5, ID = 7. Methods Prospective study. An oral sugar test was performed to assign horses to N and ID groups. Octreotide (1.0 μg/kg IV) was then administered, and blood was collected at 0, 5, 10, 15, 20, 25, 30, 45, 60, 75, and 90 minute, and 2, 3, 4, 6, 8, 12, and 24 hour for measurement of glucose and insulin concentrations. Area under the curve (AUC) values were calculated. Results Mean AUC values for glucose and insulin did not differ between normal (n = 5) and ID (n = 7) groups after octreotide injection. Significant time (P < .001) effects were detected for glucose and insulin concentrations. A group × time interaction (P = .091) was detected for insulin concentrations after administration of octreotide, but the group (P = .33) effect was not significant. Conclusions and Clinical Importance Octreotide suppresses insulin secretion, resulting in hyperglycemia, and then concentrations increase above baseline as glycemic control is restored. Our hypothesis that octreotide causes insulin concentrations to decrease in horses was supported, but differences between N and ID groups did not reach statistical significance when blood glucose and insulin responses were compared. The utility of an octreotide response test remains to be determined.
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Affiliation(s)
- N Frank
- Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA
| | - P Hermida
- Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA
| | - A Sanchez-Londoño
- Department of Environmental and Population Health, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA
| | - R Singh
- Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA
| | - C M Gradil
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA
| | - C K Uricchio
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA
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23
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Chen T, Song X, Gong T, Fu Y, Yang L, Zhang Z, Gong T. nRGD modified lycobetaine and octreotide combination delivery system to overcome multiple barriers and enhance anti-glioma efficacy. Colloids Surf B Biointerfaces 2017; 156:330-339. [PMID: 28544965 DOI: 10.1016/j.colsurfb.2017.05.038] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 05/02/2017] [Accepted: 05/13/2017] [Indexed: 12/17/2022]
Abstract
For glioma as one of the most common and lethal primary brain tumors, the presence of BBB, BBTB, vasculogenic mimicry (VM) channels and tumor-associated macrophages (TAMs) are key biological barriers. Here, a novel drug delivery system which could efficiently deliver drugs to glioma by overcoming multi-barriers and increase antitumor efficacy through multi-therapeutic mechanisms was well developed. In this study, a multi-target peptide nRGD was used to transport across the BBB, mediate tumor penetration and target TAMs. Lycobetaine (LBT) was adopted to kill glioma cells and octreotide (OCT) was co-delivered to inhibit VM channels and prevent angiogenesis. LBT-OCT liposomes (LPs) showed controlled release profile in vitro, increased uptake efficiency, improved inhibitory effect against glioma cells and VM formation, and enhanced BBB-crossing capability. The median survival time of glioma-bearing mice administered with LBT-OCT LPs-nRGD was significantly longer than LBT-OCT LPs (P<0.01). Besides, nRGD achieved a stronger inhibitory effect against tumor associated macrophages (TAMs) compared to LPs-iRGD treatment groups in vivo. Thus, LPs-nRGD represented a promising versatile delivery platform for combination drug therapy in glioma treatment.
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Affiliation(s)
- Tijia Chen
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu 610041, PR China
| | - Xu Song
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu 610041, PR China
| | - Ting Gong
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu 610041, PR China
| | - Yao Fu
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu 610041, PR China
| | - Liuqing Yang
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu 610041, PR China
| | - Zhirong Zhang
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu 610041, PR China
| | - Tao Gong
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu 610041, PR China.
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24
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Zhang X, Hu M, Wei G, Jia M, Gong T, Liu J. An injectable in situ lipid phase transition system for sustained delivery of dabigatran etexilate with low burst release. RSC Adv 2017. [DOI: 10.1039/c7ra10375a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The first report of dabigatran exilate sustained release injection that exhibited great potential in controlling initial burst release.
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Affiliation(s)
- Xuanmiao Zhang
- Department of Biochemistry and Molecular Biology
- West China School of Basic and Forensic Medicine
- Sichuan University
- Chengdu 610041
- China
| | - Mei Hu
- Key Laboratory of Drug Targeting and Drug Delivery Systems
- Ministry of Education
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Guangfei Wei
- Key Laboratory of Drug Targeting and Drug Delivery Systems
- Ministry of Education
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Mengdi Jia
- Key Laboratory of Drug Targeting and Drug Delivery Systems
- Ministry of Education
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Tao Gong
- Key Laboratory of Drug Targeting and Drug Delivery Systems
- Ministry of Education
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Ji Liu
- Department of Biochemistry and Molecular Biology
- West China School of Basic and Forensic Medicine
- Sichuan University
- Chengdu 610041
- China
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