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Zhang Q, Wang Z, Shi K, Zhou H, Wei X, Hall P. Improving Inhalation Performance with Particle Agglomeration via Combining Mechanical Dry Coating and Ultrasonic Vibration. Pharmaceutics 2023; 16:68. [PMID: 38258079 PMCID: PMC10821125 DOI: 10.3390/pharmaceutics16010068] [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: 11/21/2023] [Revised: 12/13/2023] [Accepted: 12/20/2023] [Indexed: 01/24/2024] Open
Abstract
Agglomerate formulations for dry powder inhalation (DPI) formed with fine particles are versatile means for the highly efficient delivery of budesonide. However, uncontrolled agglomeration induces high deposition in the upper airway, causing local side effects due to high mechanical strength, worse deagglomeration, and poor fine-particle delivery. In the present study, fine lactose was mechanically dry-coated prior to particle agglomeration, and the agglomerates were then spheroidized via ultrasonic vibration to improve their aerosol performance. The results showed that the agglomerate produced with the surface-enriched hydrophobic magnesium stearate and ultrasonic vibration demonstrated improved aerosolization properties, benefiting from their lower mechanical strength, less interactive cohesive force, and improved fine powder dispersion behavior. After dispersion utilizing a Turbuhaler® with a pharmaceutical cascade impactor test, a fine particle fraction (FPF) of 71.1 ± 1.3% and an artificial throat deposition of 19.3 ± 0.4% were achieved, suggesting the potential to improve the therapeutic outcomes of budesonide with less localized infections of the mouth and pharynx.
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Affiliation(s)
- Qingzhen Zhang
- Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, Ningbo 315100, China; (Q.Z.); (Z.W.)
| | - Zheng Wang
- Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, Ningbo 315100, China; (Q.Z.); (Z.W.)
- Key Laboratory for Carbonaceous Wastes Processing and Process Intensification Research of Zhejiang Province, University of Nottingham Ningbo China, Ningbo 315100, China
| | - Kaiqi Shi
- Suzhou Inhal Pharma Co., Ltd., Suzhou 215000, China;
| | - Hang Zhou
- College of Pharmacy, Zhejiang University of Technology, Hangzhou 310014, China;
| | - Xiaoyang Wei
- Nottingham Ningbo China Beacons of Excellence Research and Innovation Institute, University of Nottingham Ningbo China, Ningbo 315100, China;
| | - Philip Hall
- Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, Ningbo 315100, China; (Q.Z.); (Z.W.)
- Nottingham Ningbo China Beacons of Excellence Research and Innovation Institute, University of Nottingham Ningbo China, Ningbo 315100, China;
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Iyer J, Morgan LM, Harrison P, Davis A, Ray A, Mitsche S, Hofer F, Saraf I, Paudel A. Applying Material Science Principles to Chemical Stability: Modelling Solid State Autoxidation in Mifepristone Containing Different Degrees of Crystal Disorder. J Pharm Sci 2023; 112:2463-2482. [PMID: 37031865 DOI: 10.1016/j.xphs.2023.03.020] [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: 01/07/2023] [Revised: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 04/11/2023]
Abstract
Ball-milling and harsh manufacturing processes often generate crystal disorder which have practical implications on the physical and chemical stabilities of solid drugs during subsequent storage, transport, and handling. The impact of the physical state of solid drugs, containing different degrees/levels of crystal disorder, on their autoxidative stability under storage has not been widely investigated. This study investigates the impact of differing degrees of crystal disorder on the autoxidation of Mifepristone (MFP) to develop a predictive (semi-empirical) stability model. Crystalline MFP was subjected to different durations of ambient ball milling, and the resulting disorder/ amorphous content was quantified using a partial least square (PLS) regression model based on Raman spectroscopy data. Samples of MFP milled to generate varying levels of disorder were subjected to a range of (accelerated) stability conditions, and periodically sampled to examine their recrystallization and degradation extents. Crystallinity was monitored by Raman spectroscopy, and the degradation was evaluated by liquid chromatography. The analyses of milled samples demonstrated a competition between recrystallization and degradation via autoxidation of MFP, to different extents depending on stability conditions/exposure time. The degradation kinetics were analyzed by accounting for the preceding amorphous content, and fitted with a diffusion model. An extended Arrhenius equation was used to predict the degradation of stored samples under long-term (25°C/60% RH) and accelerated (40°C/75% RH, 50°C/75% RH) stability conditions. This study highlights the utility of such a predictive stability model for identifying the autoxidative instability in non-crystalline/partially crystalline MFP, owing to the degradation of the amorphous phases. This study is particularly useful for identifying drug-product instability by leveraging the concept of material sciences.
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Affiliation(s)
- Jayant Iyer
- Research Center Pharmaceutical Engineering GmbH (RCPE), Graz 8010, Austria
| | - Lucy M Morgan
- Pfizer Worldwide Research, Development and Medical, Sandwich, Kent, CT13 9NJ, UK
| | - Pamela Harrison
- Oral Product Development, Pharmaceutical Technology and Development, operations, AstraZeneca, Macclesfield SK10 2NA, UK
| | - Adrian Davis
- Pfizer Worldwide Research, Development and Medical, Sandwich, Kent, CT13 9NJ, UK
| | - Andrew Ray
- New Modalities & Parenteral Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, Macclesfield SK10 2NA, UK
| | - Stefan Mitsche
- FELMI ZFE-Austrian Center for Electron Microscopy and Nanoanalysis Graz University of Technology, Graz 8010, Austria
| | - Ferdinand Hofer
- FELMI ZFE-Austrian Center for Electron Microscopy and Nanoanalysis Graz University of Technology, Graz 8010, Austria
| | - Isha Saraf
- Research Center Pharmaceutical Engineering GmbH (RCPE), Graz 8010, Austria
| | - Amrit Paudel
- Research Center Pharmaceutical Engineering GmbH (RCPE), Graz 8010, Austria; Graz University of Technology, Institute of Process and Particle Engineering, Graz 8010, Austria.
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Kaur A, Yadav JP, Sathe RY, Puri V, Bharatam PV, Bansal AK. Understanding Poor Milling Behavior of Voriconazole from Crystal Structure and Intermolecular Interactions. Mol Pharm 2022; 19:985-997. [DOI: 10.1021/acs.molpharmaceut.1c00978] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Amanpreet Kaur
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector-67, SAS Nagar, Mohali, Punjab 160062, India
| | - Jay Prakash Yadav
- School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, The University of Dublin, Dublin 2, Ireland
| | - Rohit Y. Sathe
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector-67, SAS Nagar, Mohali, Punjab 160062, India
| | - Vibha Puri
- Bristol Myers Squibb, 556 Morris Avenue, New York 07901, United States
| | - Prasad V. Bharatam
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector-67, SAS Nagar, Mohali, Punjab 160062, India
| | - Arvind Kumar Bansal
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector-67, SAS Nagar, Mohali, Punjab 160062, India
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Bagwan NUS, Sheokand S, Kaur A, Dubey G, Puri V, Bharatam PV, Bansal AK. Role of surface molecular environment and amorphous content in moisture sorption behavior of milled Terbutaline Sulphate. Eur J Pharm Sci 2021; 161:105782. [PMID: 33675911 DOI: 10.1016/j.ejps.2021.105782] [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: 10/14/2020] [Revised: 01/12/2021] [Accepted: 02/24/2021] [Indexed: 11/26/2022]
Abstract
Milling may cause undesired changes in crystal topology, due to exposure of new facets, their corresponding functional groups and surface amorphization. This study investigated effect of milling induced surface amorphous content and chemical environment on moisture sorption behavior of a model hydrophilic drug, Terbutaline Sulphate (TBS). A Dynamic Vapor Sorption (DVS) based analytical method was developed to detect amorphous content, with LOD and LOQ of 0.41% and 1.24%w/w, respectively. The calibration curve gave a linear regression of 0.999 in a concentration range of 0-16.36%w/w amorphous content plotted against surface area normalized % weight change, due to moisture sorption. TBS was milled using air jet mill at 8 Bars for 3 cycles (D90- 3.46µm) and analyzed using the validated DVS method prior to and post conditioning. The moisture sorption was higher in case of milled unconditioned TBS. Molecular Dynamics Simulation (MDS) was performed to identify the cause for increased moisture sorption due to altered surface environment or amorphous content. The results implied that the new planes and functional groups exposed on milling had negligible contribution to moisture sorption and the higher moisture sorption in milled unconditioned TBS was due to surface amorphization. Conditioning under elevated humidity recrystallized the milling-induced surface amorphous content and led to decreased moisture sorption in milled conditioned TBS.
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Affiliation(s)
- Noor Ul Saba Bagwan
- Solid State Pharmaceutics Lab, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector-67, S.A.S Nagar, Mohali, Punjab, 160 062, India
| | - Sneha Sheokand
- Biocon Bristol Myers Squibb Research & Development Center (BBRC) Syngene, Bangalore, India
| | - Amanpreet Kaur
- Solid State Pharmaceutics Lab, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector-67, S.A.S Nagar, Mohali, Punjab, 160 062, India
| | - Gurudutt Dubey
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector-67, S.A.S Nagar, Mohali, Punjab, 160 062, India
| | - Vibha Puri
- Bristol Myers Squibb, 556 Morris Avenue, NJ 07901, USA.
| | - Prasad V Bharatam
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector-67, S.A.S Nagar, Mohali, Punjab, 160 062, India.
| | - Arvind Kumar Bansal
- Solid State Pharmaceutics Lab, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector-67, S.A.S Nagar, Mohali, Punjab, 160 062, India.
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