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Lei X, Zhang G, Yang T, Wu Y, Peng Y, Wang T, Li D, Liu Q, Wang C, Zhang G. Preparation and In Vitro and In Vivo Evaluation of Rectal In Situ Gel of Meloxicam Hydroxypropyl-β-cyclodextrin Inclusion Complex. Molecules 2023; 28:molecules28104099. [PMID: 37241839 DOI: 10.3390/molecules28104099] [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: 02/22/2023] [Revised: 04/11/2023] [Accepted: 04/19/2023] [Indexed: 05/28/2023] Open
Abstract
Meloxicam (MLX) is one of the most effective NSAIDs, but its poor water solubility and low bioavailability limit its clinical application. In this study, we designed a thermosensitive in situ gel of the hydroxypropyl-β-cyclodextrin inclusion complex (MLX/HP-β-CD-ISG) for rectal delivery to improve bioavailability. The best method for preparing MLX/HP-β-CD was the saturated aqueous solution method. The optimal inclusion prescription was optimized using an orthogonal test, and the inclusion complex was evaluated via PXRD, SEM, FTIR and DSC. Then, MLX/HP-β-CD-ISG was characterized regarding the gel properties, release in vitro, and pharmacokinetics in vivo. The inclusion rate of the inclusion complex obtained via the optimal preparation process was 90.32 ± 3.81%. The above four detection methods show that MLX is completely embedded in the HP-β-CD cavity. The developed MLX/HP-β-CD-ISG formulation has a suitable gelation temperature of 33.40 ± 0.17 °C, a gelation time of 57.33 ± 5.13 s, pH of 7.12 ± 0.05, good gelling ability and meets the requirements of rectal preparations. More importantly, MLX/HP-β-CD-ISG significantly improved the absorption and bioavailability of MLX in rats, prolonging the rectal residence time without causing rectal irritation. This study suggests that the MLX/HP-β-CD-ISG can have a wide application prospect with superior therapeutic benefits.
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Affiliation(s)
- Xiaomeng Lei
- National Engineering Research Center of Chinese Medicine Solid Preparation Manufacturing Technology, Jiangxi University of Chinese Medicine, Nanchang 330006, China
| | - Guansheng Zhang
- National Engineering Research Center of Chinese Medicine Solid Preparation Manufacturing Technology, Jiangxi University of Chinese Medicine, Nanchang 330006, China
- Integrated Chinese and Western Medicine Institute for Children Health & Drug Innovation, Jiangxi University of Chinese Medicine, Nanchang 330006, China
| | - Tao Yang
- College of Chinese Medicine and Life Science, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Yuhuan Wu
- National Engineering Research Center of Chinese Medicine Solid Preparation Manufacturing Technology, Jiangxi University of Chinese Medicine, Nanchang 330006, China
| | - Ying Peng
- National Engineering Research Center of Chinese Medicine Solid Preparation Manufacturing Technology, Jiangxi University of Chinese Medicine, Nanchang 330006, China
| | - Tiantian Wang
- National Engineering Research Center of Chinese Medicine Solid Preparation Manufacturing Technology, Jiangxi University of Chinese Medicine, Nanchang 330006, China
| | - Dongxun Li
- National Engineering Research Center of Chinese Medicine Solid Preparation Manufacturing Technology, Jiangxi University of Chinese Medicine, Nanchang 330006, China
| | - Qian Liu
- National Engineering Research Center of Chinese Medicine Solid Preparation Manufacturing Technology, Jiangxi University of Chinese Medicine, Nanchang 330006, China
- Integrated Chinese and Western Medicine Institute for Children Health & Drug Innovation, Jiangxi University of Chinese Medicine, Nanchang 330006, China
| | - Canjian Wang
- National Engineering Research Center of Chinese Medicine Solid Preparation Manufacturing Technology, Jiangxi University of Chinese Medicine, Nanchang 330006, China
| | - Guosong Zhang
- National Engineering Research Center of Chinese Medicine Solid Preparation Manufacturing Technology, Jiangxi University of Chinese Medicine, Nanchang 330006, China
- Integrated Chinese and Western Medicine Institute for Children Health & Drug Innovation, Jiangxi University of Chinese Medicine, Nanchang 330006, China
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Wang Y, Shang Y, Tang F, Qiu K, Wei X, Wang Z. Self-Double-Emulsifying Drug Delivery System Enteric-Coated Capsules: A Novel Approach to Improve Oral Bioavailability and Anti-inflammatory Activity of Panax notoginseng Saponins. AAPS PharmSciTech 2023; 24:90. [PMID: 36977927 DOI: 10.1208/s12249-023-02549-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 02/16/2023] [Indexed: 03/30/2023] Open
Abstract
In this work, self-double-emulsifying drug delivery system enteric-coated capsules (PNS-SDE-ECC) were used to enhance the oral bioavailability and anti-inflammatory effects of Panax notoginseng saponins (PNS), which are rapidly biodegradable, poorly membrane permeable, and highly water-soluble compounds. The PNS-SDEDDS formulated by a modified two-step method spontaneously emulsified to W/O/W double emulsions in the outer aqueous solution, which significantly promoted the absorption of PNS in the intestinal tract. The release study revealed that PNS-SDE-ECC exhibited sustained release of PNS within 24 h and the stability study indicated that PNS-SDE-ECC were stable at room temperature for up to 3 months. Furthermore, compared to PNS gastric capsules, the relative bioavailability of NGR1, GRg1, GRe, GRb1, and GRd in PNS-SDE-ECC was increased by 4.83, 10.78, 9.25, 3.58, and 4.63 times, respectively. More importantly, PNS-SDE-ECC significantly reduced OXZ-induced inflammatory damage in the colon by regulating the expression of TNF-α, IL-4, IL-13, and MPO cytokines. Overall, the prepared PNS-SDE-ECC may serve as a viable vehicle for increasing the oral bioavailability of PNS and its anti-inflammatory action on ulcerative colitis.
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Affiliation(s)
- Yaru Wang
- The MOE Key Laboratory for Standardization of Chinese Medicines and the SHTCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201210, China
- Shanghai R&D Center for Standardization of Chinese Medicines, Shanghai, 201210, China
| | - Yunxia Shang
- The MOE Key Laboratory for Standardization of Chinese Medicines and the SHTCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201210, China
- Shanghai R&D Center for Standardization of Chinese Medicines, Shanghai, 201210, China
| | - Fengyu Tang
- The MOE Key Laboratory for Standardization of Chinese Medicines and the SHTCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201210, China
- Shanghai R&D Center for Standardization of Chinese Medicines, Shanghai, 201210, China
| | - Kun Qiu
- The MOE Key Laboratory for Standardization of Chinese Medicines and the SHTCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201210, China
- Shanghai R&D Center for Standardization of Chinese Medicines, Shanghai, 201210, China
| | - Xiaohui Wei
- The MOE Key Laboratory for Standardization of Chinese Medicines and the SHTCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201210, China.
- Shanghai R&D Center for Standardization of Chinese Medicines, Shanghai, 201210, China.
| | - Zhengtao Wang
- The MOE Key Laboratory for Standardization of Chinese Medicines and the SHTCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201210, China
- Shanghai R&D Center for Standardization of Chinese Medicines, Shanghai, 201210, China
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Mfoafo K, Omidi Y, Omidian H. Thermoresponsive mucoadhesive hybrid gels in advanced drug delivery systems. Int J Pharm 2023; 636:122799. [PMID: 36914019 DOI: 10.1016/j.ijpharm.2023.122799] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 02/22/2023] [Accepted: 03/01/2023] [Indexed: 03/13/2023]
Abstract
Thermoresponsive polymers have seen extensive use in the development of stimuli-responsive drug formulations for oral, buccal, nasal, ocular, topical, rectal, parenteral, and vaginal routes of administration. Despite their great potential, their use has been limited by various obstacles, such as undesirable high polymer concentration, wide gelation temperature, low gel strength, poor mucoadhesiveness, and short retention. Mucoadhesive polymers have been suggested to improve the mucoadhesive features of thermoresponsive gels, leading to increased drug bioavailability and efficacy. This article highlights the use of in-situ thermoresponsive mucoadhesive hydrogel blends or hybrids that have been developed and assessed in various routes of administration.
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Affiliation(s)
- Kwadwo Mfoafo
- Department of Pharmaceutical Sciences, College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL, USA
| | - Yadollah Omidi
- Department of Pharmaceutical Sciences, College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL, USA
| | - Hossein Omidian
- Department of Pharmaceutical Sciences, College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL, USA.
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Optimization and Evaluation of the Quercus infectoria Galls Thermosensitive In Situ Gel for Rectal Delivery. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:8451055. [PMID: 36225184 PMCID: PMC9550460 DOI: 10.1155/2022/8451055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 09/03/2022] [Indexed: 11/30/2022]
Abstract
Quercus infectoria galls (QIGs) have a long history of treating ulcerative colitis (UC). The aqueous extract of QIG has an anti-UC effect. However, QIG's enema is easy to leak, and the action time and dose of the drug cannot be controlled well. Thus, QIG is inconvenient to use. This study aims to screen and prepare an optimized thermosensitive in situ gel with slow release and retention. Taking the transition sol-gel temperature (T sol-gel) as the investigation index, the Box-Behnken design response surface method (BBD-RSM) was used to optimize the dosages of Poloxamer 407 (P407), Poloxamer 188 (P188), and hydroxypropyl methyl cellulose (HPMC). Moreover, three formulations were selected, and the in vitro release rates were further optimized. The optimized rates of P407, P188, and HPMC were 24.07%, 1.22%, and 0.60%, respectively, and T sol-gel was 32.8°C ± 0.4°C. The cumulative release of gallic acid in the gel conformed to the first-order kinetic equation, and gallic acid was released entirely within 24 h. In addition, the morphological and chemical characterization of thermosensitive in situ gel demonstrated that excipients did not affect the characteristic functional groups of QIG and that the surface of the QIG gel had a porous and loose structure. Rheological methods showed that the QIG thermosensitive in situ gel was fluid at low temperature and semisolid at gelation temperature. Therefore, the prepared gel was sensitive to temperature and had slow-release, local retention properties.
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Sun J, Sun X. Preparation of a novel tacrolimus ion sensitive ocular in situ gel and in vivo evaluation of curative effect of immune conjunctivitis. Pharm Dev Technol 2022; 27:399-405. [PMID: 35579910 DOI: 10.1080/10837450.2022.2067870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
BACKGROUND The aim of this study was to formulate a novel TAC preparation into an in situ gel for ocular drug delivery, in order to prolong the residence time on mucosal surfaces and increase patient compliance. METHODS The optimal formulation was characterized by surface morphology, gelling capacity, viscosity, stability and in vitro release. In vivo studies were also conducted to evaluate the precorneal retention and pharmacodynamic results. RESULTS In this study, the TAC in situ gel can be prepared by a simple solvent stirring method, and the optimized formulation exhibited good stability within 3 months. During storage, the initial viscosity of the formula had little change. The results of viscosity measurement showed that TAC in situ gel was typical of pseudo plastic systems and exhibited a marked increase in viscosity stimulated with STF. In vitro and in vivo studies illustrated that TAC in situ gel administration facilitated the retention and sustained release of TAC. CONCLUSIONS TAC combined with in situ gelling agents demonstrates an efficient topical drug delivery platform.
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Affiliation(s)
- Jinfu Sun
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Xufang Sun
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
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Huang CH, Hu PY, Wu QY, Xia MY, Zhang WL, Lei ZQ, Li DX, Zhang GS, Feng JF. Preparation, in vitro and in vivo Evaluation of Thermosensitive in situ Gel Loaded with Ibuprofen-Solid Lipid Nanoparticles for Rectal Delivery. Drug Des Devel Ther 2022; 16:1407-1431. [PMID: 35586185 PMCID: PMC9109935 DOI: 10.2147/dddt.s350886] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Accepted: 04/27/2022] [Indexed: 12/13/2022] Open
Abstract
Background Ibuprofen (IBU), a nonsteroidal anti-inflammatory drug, shows poor gastrointestinal absorption due to its low solubility, which limits its clinical application. Objective In the present study, we aimed to develop thermosensitive gel-mediated ibuprofen-solid lipid nanoparticles (IBU-SLN-ISG) to improve the dissolution and bioavailability of IBU after rectal delivery. Methods IBU-loaded SLNs (IBU-SLNs) were developed and optimized applying Box-Behnken design. The optimized IBU-SLNs were characterized by physicochemical parameters and morphology. Then, the optimized IBU-SLNs was incorporated into the gel and characterized for gel properties and rheology and investigated its release in vitro, pharmacokinetics in vivo, rectal irritation and rectal retention time. Results The optimized SLNs had an EE of 90.74 ± 1.40%, DL of 11.36 ± 1.20%, MPS of 166.77 ± 2.26 nm, PDI of 0.27 ± 0.08, and ZP of −21.00 ± 0.59 mV. The FTIR spectra confirmed successful encapsulation of the drug inside the nanoparticle as only peaks responsible for the lipid could be identified. This corroborated well with XRD spectra, which showed a completely amorphous state of the IBU-SLNs as compared to the crystalline nature of the pure drug. The gelation temperature of the prepared IBU-SLN-ISG was 33.30 ± 0.78°C, the gelation time was 14.67 ± 2.52 s, the gel strength was 54.00 ± 1.41 s, and the mucoadhesion was (11.54±0.37) × 102dyne/cm2. The in vitro results of IBU-SLNs and IBU-SLN-ISG showed a biphasic release pattern with initial burst release followed by sustained release. More importantly, IBU-SLN-ISG produced much better absorption of IBU and improved bioavailability in rats. In addition, IBU-SLN-ISG caused no irritation or damage to rectal tissues, and could be retained in the rectum for a long time. Conclusion Thermosensitive in situ gel loaded with IBU-solid lipid nanoparticles might be further developed as a more convenient and effective rectal dosage form.
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Affiliation(s)
- Chun-hui Huang
- School of Pharmacy, Guangxi University of Chinese Medicine, Nanning, Guangxi, 530200, People’s Republic of China
- National Engineering Research Center of Chinese Medicine Solid Preparation Manufacturing Technology, Nanchang, 330006, People’s Republic of China
| | - Peng-yi Hu
- National Engineering Research Center of Chinese Medicine Solid Preparation Manufacturing Technology, Nanchang, 330006, People’s Republic of China
- Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, People’s Republic of China
| | - Qiu-yan Wu
- National Engineering Research Center of Chinese Medicine Solid Preparation Manufacturing Technology, Nanchang, 330006, People’s Republic of China
- Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, People’s Republic of China
| | - Ming-yan Xia
- National Engineering Research Center of Chinese Medicine Solid Preparation Manufacturing Technology, Nanchang, 330006, People’s Republic of China
- Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, People’s Republic of China
| | - Wen-liu Zhang
- Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, People’s Republic of China
| | - Zhi-qiang Lei
- Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, People’s Republic of China
| | - Dong-xun Li
- Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, People’s Republic of China
| | - Guo-song Zhang
- National Engineering Research Center of Chinese Medicine Solid Preparation Manufacturing Technology, Nanchang, 330006, People’s Republic of China
- Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, People’s Republic of China
- Correspondence: Guo-song Zhang, National Engineering Research Center of Chinese Medicine Solid Preparation Manufacturing Technology, Nanchang, 330006, People’s Republic of China, Email
| | - Jian-fang Feng
- School of Pharmacy, Guangxi University of Chinese Medicine, Nanning, Guangxi, 530200, People’s Republic of China
- National Engineering Research Center of Chinese Medicine Solid Preparation Manufacturing Technology, Nanchang, 330006, People’s Republic of China
- Jian-fang Feng, School of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, People’s Republic of China, Email
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Abdelkader H, Fathalla Z, Seyfoddin A, Farahani M, Thrimawithana T, Allahham A, Alani AWG, Al-Kinani AA, Alany RG. Polymeric long-acting drug delivery systems (LADDS) for treatment of chronic diseases: Inserts, patches, wafers, and implants. Adv Drug Deliv Rev 2021; 177:113957. [PMID: 34481032 DOI: 10.1016/j.addr.2021.113957] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 07/13/2021] [Accepted: 08/29/2021] [Indexed: 02/07/2023]
Abstract
Non-oral long-acting drug delivery systems (LADDS) encompass a range of technologies for precisely delivering drug molecules into target tissues either through the systemic circulation or via localized injections for treating chronic diseases like diabetes, cancer, and brain disorders as well as for age-related eye diseases. LADDS have been shown to prolong drug release from 24 h up to 3 years depending on characteristics of the drug and delivery system. LADDS can offer potentially safer, more effective, and patient friendly treatment options compared to more invasive modes of drug administration such as repeated injections or minor surgical intervention. Whilst there is no single technology or definition that can comprehensively embrace LADDS; for the purposes of this review, these systems include solid implants, inserts, transdermal patches, wafers and in situ forming delivery systems. This review covers common chronic illnesses, where candidate drugs have been incorporated into LADDS, examples of marketed long-acting pharmaceuticals, as well as newly emerging technologies, used in the fabrication of LADDS.
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Affiliation(s)
- Hamdy Abdelkader
- Pharmaceutics Department, Faculty of Pharmacy, Minia University, Minia, Egypt; Department of Pharmaceutics, Faculty of Pharmacy, Deraya University, New Minia City, Minia, Egypt
| | - Zeinab Fathalla
- Pharmaceutics Department, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Ali Seyfoddin
- Drug Delivery Research Group, Faculty of Health and Environmental Sciences, School of Science, Auckland University of Technology, New Zealand
| | - Mojtaba Farahani
- Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
| | - Thilini Thrimawithana
- Discipline of Pharmacy, School of Health and Biomedical Sciences, RMIT University, Melbourne, VIC, Australia
| | - Ayman Allahham
- Discipline of Pharmacy, School of Health and Biomedical Sciences, RMIT University, Melbourne, VIC, Australia
| | - Adam W G Alani
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Moody Avenue, RLSB, Portland, OR, United States; Biomedical Engineering Department, Oregon Health & Science University, 2730 S. Moody Avenue, RLSB, Portland, OR, United States; Knight Cancer Institute, Oregon Health & Science University, 2730 S. Moody Avenue, RLSB, Portland, OR, United States
| | - Ali A Al-Kinani
- Drug Discovery, Delivery and Patient Care Theme (DDDPC), Faculty of Science, Engineering and Computing, Kingston University London, Penrhyn Road, Kingston upon Thames, UK.
| | - Raid G Alany
- Drug Discovery, Delivery and Patient Care Theme (DDDPC), Faculty of Science, Engineering and Computing, Kingston University London, Penrhyn Road, Kingston upon Thames, UK; School of Pharmacy, The University of Auckland, Auckland, New Zealand.
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Constantinou AP, Georgiou TK. Pre‐clinical and clinical applications of thermoreversible hydrogels in biomedical engineering: a review. POLYM INT 2021. [DOI: 10.1002/pi.6266] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Anna P Constantinou
- Department of Materials Imperial College London, South Kensington Campus, Royal School of Mines London UK
| | - Theoni K Georgiou
- Department of Materials Imperial College London, South Kensington Campus, Royal School of Mines London UK
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