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Tran H, Dogra M, Huang S, Aihara E, ElSayed M, Aburub A. Development and evaluation of C10 and SNAC erodible tablets for gastric delivery of a GIP/GLP1 peptide in monkeys. Int J Pharm 2024; 650:123680. [PMID: 38070657 DOI: 10.1016/j.ijpharm.2023.123680] [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: 09/23/2023] [Revised: 11/19/2023] [Accepted: 12/04/2023] [Indexed: 12/17/2023]
Abstract
The permeation enhancers (PEs) sodium caprate (C10) and sodium N-[8-(2-hydroxybenzoyl) amino] caprylate (SNAC) have been utilized for the intestinal and gastric delivery of macromolecules, respectively. However, the potential of C10 for the gastric delivery of a peptide and the ability of SNAC to deliver other peptides to the stomach beyond semaglutide have not been investigated. In this study, we have developed and evaluated C10 and SNAC-containing erodible tablets for the gastricdelivery of a glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GIP/GLP1) dual agonist peptide (LY) in cynomolgus monkeys. We also evaluated the impact of release rates on the in vivo performance of C10 and SNAC. Furthermore, we compared the oral exposure of the LY peptide and semaglutide with different proteolytic stabilities using a SNAC erodible tablet. Additionally, we investigated the mechanism of action of SNAC for improving gastric absorption of the LY peptide via tissue distribution in monkey. C10 and SNAC tablets released the peptide and PE by erosion from the tablet surface with 100 % release within 60 min at pH 6.8. Following a single oral administration to monkeys, C10 and SNAC erodible tablets at 300 mg exhibited similar LY mean absolute oral bioavailability of 5.7 % and 4.2 %, respectively. The C10 immediate release capsule (500 mg) with faster dissolution profile (10 min) showed a decrease in the LY oral bioavailability; however, a faster dissolution profile (15 min) with erodible SNAC tablet resulted in a relatively higher LY oral bioavailability compared to the slow-release erodible tablets (60 min). Using SNAC as the PE, the combination of slow-release tablet design and LY peptide with higher pepsin stability resulted in about 4-fold higher mean oral bioavailability in the monkeys than semaglutide (4.2 % vs 1.2 %, respectively). In the monkey gastric tissue, SNAC was found to reduce tight junction protein levels and increase the peptide uptake into the gastric epithelium suggesting its permeation enhancing mechanism via both paracellular and transcellular pathways. Taking these data altogether, the enhanced proteolytic stability of the LY peptide combined with the optimal erodible tablets enabled the gastric delivery of the LY peptide with a higher oral bioavailability than semaglutide.
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Affiliation(s)
- Huyen Tran
- Biotechnology Discovery Research, Eli Lilly and Company, Lilly Research Laboratories, Lilly Corporate Center, Indianapolis, IN 46285
| | - Mridula Dogra
- Department of Drug Disposition, Eli Lilly and Company, Lilly Research Laboratories, Lilly Corporate Center, Indianapolis, IN 46285
| | - Siyuan Huang
- Synthetic Molecule Design and Development (,) Eli Lilly and Company, Lilly Research Laboratories, Lilly Corporate Center, Indianapolis, IN 46285
| | - Eitaro Aihara
- Biotechnology Discovery Research, Eli Lilly and Company, Lilly Research Laboratories, Lilly Corporate Center, Indianapolis, IN 46285
| | - Mohamed ElSayed
- Biotechnology Discovery Research, Eli Lilly and Company, Lilly Research Laboratories, Lilly Corporate Center, Indianapolis, IN 46285
| | - Aktham Aburub
- Synthetic Molecule Design and Development (,) Eli Lilly and Company, Lilly Research Laboratories, Lilly Corporate Center, Indianapolis, IN 46285.
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Koziolek M, Augustijns P, Berger C, Cristofoletti R, Dahlgren D, Keemink J, Matsson P, McCartney F, Metzger M, Mezler M, Niessen J, Polli JE, Vertzoni M, Weitschies W, Dressman J. Challenges in Permeability Assessment for Oral Drug Product Development. Pharmaceutics 2023; 15:2397. [PMID: 37896157 PMCID: PMC10609725 DOI: 10.3390/pharmaceutics15102397] [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: 07/10/2023] [Revised: 09/12/2023] [Accepted: 09/19/2023] [Indexed: 10/29/2023] Open
Abstract
Drug permeation across the intestinal epithelium is a prerequisite for successful oral drug delivery. The increased interest in oral administration of peptides, as well as poorly soluble and poorly permeable compounds such as drugs for targeted protein degradation, have made permeability a key parameter in oral drug product development. This review describes the various in vitro, in silico and in vivo methodologies that are applied to determine drug permeability in the human gastrointestinal tract and identifies how they are applied in the different stages of drug development. The various methods used to predict, estimate or measure permeability values, ranging from in silico and in vitro methods all the way to studies in animals and humans, are discussed with regard to their advantages, limitations and applications. A special focus is put on novel techniques such as computational approaches, gut-on-chip models and human tissue-based models, where significant progress has been made in the last few years. In addition, the impact of permeability estimations on PK predictions in PBPK modeling, the degree to which excipients can affect drug permeability in clinical studies and the requirements for colonic drug absorption are addressed.
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Affiliation(s)
- Mirko Koziolek
- NCE Drug Product Development, Development Sciences, AbbVie Deutschland GmbH & Co. KG, 67061 Ludwigshafen, Germany
| | - Patrick Augustijns
- Drug Delivery and Disposition, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, 3000 Leuven, Belgium
| | - Constantin Berger
- Chair of Tissue Engineering and Regenerative Medicine, University Hospital Würzburg, 97070 Würzburg, Germany;
| | - Rodrigo Cristofoletti
- Department of Pharmaceutics, University of Florida, 6550 Sanger Road, Orlando, FL 32827, USA
| | - David Dahlgren
- Department of Pharmaceutical Biosciences, Uppsala University, 75124 Uppsala, Sweden (J.N.)
| | - Janneke Keemink
- Roche Pharma Research and Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche AG, 4070 Basel, Switzerland;
| | - Pär Matsson
- Department of Pharmacology and SciLifeLab Gothenburg, University of Gothenburg, 40530 Gothenburg, Sweden;
| | - Fiona McCartney
- School of Veterinary Medicine, University College Dublin, D04 V1W8 Dublin, Ireland;
| | - Marco Metzger
- Translational Center for Regenerative Therapies (TLZ-RT) Würzburg, Branch of the Fraunhofer Institute for Silicate Research (ISC), 97082 Würzburg, Germany
| | - Mario Mezler
- Quantitative, Translational & ADME Sciences, AbbVie Deutschland GmbH & Co. KG, 67061 Ludwigshafen, Germany;
| | - Janis Niessen
- Department of Pharmaceutical Biosciences, Uppsala University, 75124 Uppsala, Sweden (J.N.)
| | - James E. Polli
- Department of Pharmaceutical Sciences, University of Maryland, Baltimore, MD 21021, USA;
| | - Maria Vertzoni
- Department of Pharmacy, National and Kapodistrian University of Athens, 157 84 Zografou, Greece;
| | - Werner Weitschies
- Institute of Pharmacy, University of Greifswald, 17489 Greifswald, Germany
| | - Jennifer Dressman
- Fraunhofer Institute of Translational Medicine and Pharmacology, 60596 Frankfurt, Germany
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Thuy Nguyen H, Van Duong T, Taylor YS. Enteric coating of tablets containing an amorphous solid dispersion of an enteric polymer and a weakly basic drug: a strategy to enhance in vitro release. Int J Pharm 2023:123139. [PMID: 37311499 PMCID: PMC10390825 DOI: 10.1016/j.ijpharm.2023.123139] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/06/2023] [Accepted: 06/09/2023] [Indexed: 06/15/2023]
Abstract
Recent work has highlighted that amorphous solid dispersions (ASDs) containing delamanid (DLM) and an enteric polymer, hypromellose phthalate (HPMCP), appear to be susceptible to crystallization during immersion in simulated gastric fluids. The goal of this study was to minimize contact of the ASD particles with the acidic media via application of an enteric coating to tablets containing the ASD intermediate, and improve the subsequent drug release at higher pH conditions. DLM ASDs were prepared with HPMCP and formulated into a tablet that was then coated with a methacrylic acid copolymer (Acryl EZE II®). Drug release was studied in vitro using a two-stage dissolution test where the pH of the gastric compartment was altered to reflect physiological variations. The medium was subsequently switched to simulated intestinal fluid. The gastric resistance time of the enteric coating was probed over the pH range of 1.6-5.0. The enteric coating was found to be effective at protecting the drug against crystallization in pH conditions where HPMCP was insoluble. Consequently, the variability in drug release following gastric immersion under pH conditions reflecting different prandial states was notably reduced when compared to the reference product. These findings support closer examination of the potential for drug crystallization from ASDs in the gastric environment where acid-insoluble polymers may be less effective as crystallization inhibitors. Further, addition of a protective enteric coating appears to provide a promising remediation strategy to prevent crystallization at low pH environments, and may mitigate variability associated with prandial state that arises due to pH changes.
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Affiliation(s)
- Hanh Thuy Nguyen
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, West Lafayette, Indiana 47907, United States
| | - Tu Van Duong
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, West Lafayette, Indiana 47907, United States
| | - Ynne S Taylor
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, West Lafayette, Indiana 47907, United States.
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