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Zhang W, Jia W, Weitz BW, Ma F, Chen Y, Chiang PC, Hou HH, Nagapudi K. Comparative Evaluation of Particle Size Reduction, Salt Formation, and Amorphous Formulation on the Biopharmaceutical Performance of a Weak Base Drug Candidate. Mol Pharm 2023; 20:5888-5900. [PMID: 37792707 DOI: 10.1021/acs.molpharmaceut.3c00727] [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] [Indexed: 10/06/2023]
Abstract
Various approaches have been developed to enhance the solubility or dissolution rate for the delivery of poorly water-soluble molecules. In this work, guided by an in silico solubility sensitivity analysis for oral absorption, a comparative assessment of the biopharmaceutical performance of a jet-milled free base, a tosylate salt, and a 50:50 (w/w) amorphous solid dispersion (ASD) with hydroxypropyl methylcellulose acetate succinate (HPMCAS) of a weak base drug candidate, GDC-3280, was conducted. Successful particle size reduction without amorphization or form change was confirmed for the jet-milled free base. The potential of solubility enhancement and desupersaturation risk were identified for tosylate salt and ASD formulation by measurements of tosylate salt solubility product constant (Ksp) and amorphous solubility of GDC-3280. In vitro dissolution testing demonstrated dissolution rate improvement for the jet-milled free base when compared with the unmilled free base and confirmed solubility enhancement followed by desupersaturation for GDC-3280 tosylate salt and ASD formulation. A crystallization inhibitor, hydroxypropyl methylcellulose (HPMC), was found to slow down the desupersaturation of tosylate salt solution, providing general insights for the development of pharmaceutical salts with disproportionation risks. Finally, a pharmacokinetic study in dogs showed that the in vivo exposure increased by 1.7- to 2-fold for the tosylate salt and ASD formulation compared with the jet-milled free base, consistent with the in silico solubility sensitivity analysis for the fraction of drug absorbed. Overall, this work provides insights into the evaluation of multiple formulation approaches for enhancing the biopharmaceutical performance of poorly water-soluble drugs.
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Kataoka M, Nakanishi R, Umesaki M, Kobayashi M, Minami K, Higashino H, Yamaguchi S, Yamashita S. An enteric polymer mitigates the effects of gastric pH on oral absorption of poorly soluble weak acid drugs from supersaturable formulations: A case study with dantrolene. Eur J Pharm Biopharm 2020; 155:29-36. [DOI: 10.1016/j.ejpb.2020.07.032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 07/21/2020] [Accepted: 07/27/2020] [Indexed: 10/23/2022]
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3
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Price DJ, Nair A, Kuentz M, Dressman J, Saal C. Calculation of drug-polymer mixing enthalpy as a new screening method of precipitation inhibitors for supersaturating pharmaceutical formulations. Eur J Pharm Sci 2019; 132:142-156. [DOI: 10.1016/j.ejps.2019.03.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 02/08/2019] [Accepted: 03/10/2019] [Indexed: 11/24/2022]
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Zhu CY, Wang JY, Huang J, Han GH, Ji YY, Zhang XR, Liang D. Preparation and evaluation of gastro-floating hollow adhesive microspheres of carbomer/ethyl cellulose encapsulating dipyridamole. NEW J CHEM 2019. [DOI: 10.1039/c8nj06398b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Gastro-floating hollow adhesive microspheres of Carbomer/ethyl cellulose encapsulating dipyridamole were fabricated and evaluated in vitro and in vivo.
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Affiliation(s)
- Cheng-Yun Zhu
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang 110016
- China
| | - Jin-Yue Wang
- School of Traditional Chinese Materia Medica
- Shenyang Pharmaceutical University
- Shenyang 110016
- P. R. China
| | - Jin Huang
- School of Traditional Chinese Materia Medica
- Shenyang Pharmaceutical University
- Shenyang 110016
- P. R. China
| | - Guo-Hua Han
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang 110016
- China
| | - Yan-Yan Ji
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang 110016
- China
| | - Xiang-Rong Zhang
- School of Functional Food and Wine
- Shenyang Pharmaceutical University
- Shenyang 110016
- P. R. China
- State Key Laboratory of Medicinal Resources
| | - Dong Liang
- State Key Laboratory of Medicinal Resources
- Chemistry and Molecular Engineering
- Guangxi Normal University
- Gui Lin 541006
- P. R. China
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Mizoguchi M, Kataoka M, Yokoyama K, Aihara R, Wada K, Yamashita S. Application of an In Vitro Dissolution/Permeation System to Early Screening of Oral Formulations of Poorly Soluble, Weakly Basic Drugs Containing an Acidic pH-Modifier. J Pharm Sci 2018; 107:2404-2410. [DOI: 10.1016/j.xphs.2018.05.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 05/16/2018] [Accepted: 05/17/2018] [Indexed: 01/07/2023]
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6
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Kumar V, Bharate SB, Vishwakarma RA, Bharate SS. Selection of a Water-Soluble Salt Form of a Preclinical Candidate, IIIM-290: Multiwell-Plate Salt Screening and Characterization. ACS OMEGA 2018; 3:8365-8377. [PMID: 30087943 PMCID: PMC6072253 DOI: 10.1021/acsomega.8b00801] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 07/13/2018] [Indexed: 06/08/2023]
Abstract
IIIM-290, a semisynthetic derivative of natural product rohitukine, is an orally bioavailable Cdk inhibitor, efficacious in the xenograft models of colon, pancreatic, and leukemia cancer. Its low aqueous solubility (∼8.6 μg/mL) could be one of the reasons for achieving optimal in vivo efficacy relatively at a higher dose. Being a nitrogenous compound, salt formation was envisaged as one of the ideal approaches to enhance its solubility and dissolution profile. Thus, herein, a solubility-guided miniaturized 96-well plate salt screening protocol was devised for identification of the suitable salt form of this preclinical candidate. The solubility-guided strategy has resulted in the identification of hydrochloride as the most favorable counterion, resulting in 45-fold improvement in aqueous solubility. The HCl salt was then scaled up at a gram size and characterized using 1H and 13C NMR, scanning electron microscopy, powder X-ray diffraction, Fourier-transform infrared, and differential scanning calorimetry studies. The HCl salt displayed enhancement in the in vitro dissolution profile as well as improved plasma exposure in the pharmacokinetic study. The oral administration of the IIIM-290·HCl salt in BALB/c mice resulted in >1.5-fold improvement in areas under the curve, Cmax, and half-life. The prepared salt also did not alter its cyclin-dependent kinase (Cdk)-2 and Cdk-9 inhibition activity. This biopharmaceutically improved lead has a potential to investigate further in preclinical studies. The solubility-guided salt screening strategy implemented herein could be utilized for other preclinical leads.
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Affiliation(s)
- Vikas Kumar
- Preformulation
Laboratory, PK-PD Toxicology and Formulation Division, Medicinal Chemistry
Division, and Academy of Scientific & Innovative Research, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
| | - Sandip B. Bharate
- Preformulation
Laboratory, PK-PD Toxicology and Formulation Division, Medicinal Chemistry
Division, and Academy of Scientific & Innovative Research, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
| | - Ram A. Vishwakarma
- Preformulation
Laboratory, PK-PD Toxicology and Formulation Division, Medicinal Chemistry
Division, and Academy of Scientific & Innovative Research, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
| | - Sonali S. Bharate
- Preformulation
Laboratory, PK-PD Toxicology and Formulation Division, Medicinal Chemistry
Division, and Academy of Scientific & Innovative Research, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
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7
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Han X, Qi W, Dong W, Guo M, Ma P, Wang J. Preparation, optimization and in vitro–in vivo investigation for capsules of the choline salt of febuxostat. Asian J Pharm Sci 2016. [DOI: 10.1016/j.ajps.2016.05.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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8
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Dimopoulou M, Mourouti CS, Vertzoni M, Symillides M, Reppas C. In-vitro evaluation of performance of solid immediate release dosage forms of weak bases in upper gastrointestinal lumen: experience with miconazole and clopidogrel salts. J Pharm Pharmacol 2015; 68:579-87. [DOI: 10.1111/jphp.12406] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Accepted: 02/01/2015] [Indexed: 11/30/2022]
Abstract
Abstract
Objectives
Evaluate the impact of salt and counterion identity on performance of solid immediate release dosage forms of miconazole and clopidogrel, respectively, in fasted upper gastrointestinal lumen using in-vitro methodologies.
Methods
Two miconazole chemical forms (free base and nitrate salt) and three clopidogrel chemical forms (bisulfate, besylate and hydrochloride salts) were studied. Solubilities of miconazole forms were measured in simulated gastric fluids. Gastrointestinal transfer of the five chemical forms was evaluated by using a flow-through, three-compartmental set-up. Precipitation in duodenal compartment was evaluated by using solutions in gastric compartment.
Key findings
Solubilities in simulated gastric fluids, concentrations in duodenal compartment and solubilities in duodenal compartment indicated poorer performance of miconazole nitrate vs. miconazole free base in upper gastrointestinal lumen. In line with the low crystallization tendency of free base, duodenal precipitation of miconazole from a free base solution was limited. Concentrations in duodenal compartment indicated that counterion identity does not affect the performance of clopidogrel; precipitation in duodenal compartment was extensive in all cases.
Conclusions
Miconazole data indicate that salts may adversely affect performance of immediate release dosage forms of weak bases. In line with existing in-vivo data, clopidogrel data indicate that counterion identity is unimportant for the performance of clopidogrel salts in upper intestinal lumen.
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Affiliation(s)
- Maria Dimopoulou
- Faculty of Pharmacy, National and Kapodistrian University of Athens, Zografou, Greece
| | | | - Maria Vertzoni
- Faculty of Pharmacy, National and Kapodistrian University of Athens, Zografou, Greece
| | - Mira Symillides
- Faculty of Pharmacy, National and Kapodistrian University of Athens, Zografou, Greece
| | - Christos Reppas
- Faculty of Pharmacy, National and Kapodistrian University of Athens, Zografou, Greece
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Mitra A, Fadda HM. Effect of Surfactants, Gastric Emptying, and Dosage Form on Supersaturation of Dipyridamole in an in Vitro Model Simulating the Stomach and Duodenum. Mol Pharm 2014; 11:2835-44. [DOI: 10.1021/mp500196f] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- A. Mitra
- Department
of Pharmaceutical
Sciences, College of Pharmacy and Health Sciences, Butler University, Indianapolis, Indiana 46208, United States
| | - H. M. Fadda
- Department
of Pharmaceutical
Sciences, College of Pharmacy and Health Sciences, Butler University, Indianapolis, Indiana 46208, United States
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