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Dos Santos KA, Chaves LL, Nadvorny D, de La Roca Soares MF, Sobrinho JLS. Exploring Co-Amorphous Formulations Of Nevirapine: Insights From Computational, Thermal, And Solubility Analyses. AAPS PharmSciTech 2024; 25:214. [PMID: 39266781 DOI: 10.1208/s12249-024-02932-5] [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: 06/20/2024] [Accepted: 09/03/2024] [Indexed: 09/14/2024] Open
Abstract
This study aimed to assess the formation of nevirapine (NVP) co-amorphs systems (CAM) with different co-formers (lamivudine-3TC, citric acid-CAc, and urea) through combined screening techniques as computational and thermal studies, solubility studies; in addition to develop and characterize suitable NVP-CAM. NVP-CAM were obtained using the quench-cooling method, and characterized by differential scanning calorimetry (DSC), X-ray diffractometry (XRD), Fourier Transform Infrared Spectroscopy (FTIR), and polarized light microscopy (PLM), in addition to in vitro dissolution in pH 6.8. The screening results indicated intermolecular interactions occurring between NVP and 3TC; NVP and CAc, where shifts in the melting temperature of NVP were verified. The presence of CAc impacted the NVP equilibrium solubility, due to hydrogen bonds. DSC thermograms evidenced the reduction and shifting of the endothermic peaks of NVP in the presence of its co-formers, suggesting partial miscibility of the compounds. Amorphization was proven by XRD and PLM assays. In vitro dissolution study exhibited a significant increase in solubility and dissolution efficiency of NVP-CAM compared to free NVP. Combined use of screening studies was useful for the development of stable and amorphous NVP-CAM, with increased NVP solubility, making CAM promising systems for combined antiretroviral therapy.
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Affiliation(s)
- Kayque Almeida Dos Santos
- Quality Control Core of Medicines and Correlates - NCQMC, Department of Pharmaceutical Sciences, Federal University of Pernambuco, Recife, PE, Brazil
| | - Luíse Lopes Chaves
- Quality Control Core of Medicines and Correlates - NCQMC, Department of Pharmaceutical Sciences, Federal University of Pernambuco, Recife, PE, Brazil
- Postgraduate Program in Pharmaceutical Sciences, Pharmaceutical Sciences Institute, Federal University of Alagoas, Maceió, Alagoas, Brazil
| | - Daniela Nadvorny
- Postgraduate Program in Pharmaceutical Sciences, Pharmaceutical Sciences Institute, Federal University of Alagoas, Maceió, Alagoas, Brazil
| | - Mônica Felts de La Roca Soares
- Quality Control Core of Medicines and Correlates - NCQMC, Department of Pharmaceutical Sciences, Federal University of Pernambuco, Recife, PE, Brazil
- Postgraduate Program in Pharmaceutical Sciences, Pharmaceutical Sciences Institute, Federal University of Alagoas, Maceió, Alagoas, Brazil
| | - José Lamartine Soares Sobrinho
- Quality Control Core of Medicines and Correlates - NCQMC, Department of Pharmaceutical Sciences, Federal University of Pernambuco, Recife, PE, Brazil.
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Aikawa S, Tanaka H, Ueda H, Maruyama M, Higaki K. Specific intermolecular interaction with sodium glycocholate generates the co-amorphous system showing higher physical stability and aqueous solubility of Y 5 receptor antagonist of neuropeptide Y, a brick dust molecule. Eur J Pharm Biopharm 2024; 202:114395. [PMID: 38971200 DOI: 10.1016/j.ejpb.2024.114395] [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: 03/28/2024] [Revised: 06/03/2024] [Accepted: 07/03/2024] [Indexed: 07/08/2024]
Abstract
Drugs with poor water and lipid solubility are termed "brick dust." We previously successfully developed a co-amorphous system of a novel neuropeptide Y5 receptor antagonist (AntiY5R), a brick dust molecule, using sodium taurocholate (NaTC) as a co-former. However, the maximum improvement in AntiY5R dissolution by the co-amorphous system was only approximately 10 times greater than that of the crystals. Therefore, in the current study, other bile salts, including sodium cholate (NaC), sodium chenodeoxycholate (NaCC), and sodium glycocholate (NaGC), were examined as co-formers to further improve AntiY5R dissolution. NaC, NaCC, and NaGC have glass transition temperatures above 150°C. All three co-amorphous systems prepared successfully retained the amorphous form of AntiY5R for 3 months at 40°C, but the co-amorphous system with NaGC (AntiY5R-NaGC; 1:9 molar ratio) provided the highest improvement in AntiY5R dissolution, which was approximately 50 times greater than that of the crystals. Possible intermolecular interactions via the glycine moiety of NaGC more than the other bile salts would contribute to the highest dissolution enhancement with AntiY5R-NaGC. Thus, NaGC would be a promising co-former for formulating stable co-amorphous systems to enhance the dissolution behavior of brick dust molecules.
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Affiliation(s)
- Shohei Aikawa
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Okayama University, 1-1-1, Tsushima-naka, Kita-ku, Okayama 700-8530, Japan; Formulation Research Department, Formulation R&D Laboratory, Shionogi & Co., Ltd., 1-3, Kuise Terajima 2-chome, Amagasaki, Hyogo 660-0813, Japan.
| | - Hironori Tanaka
- Formulation Research Department, Formulation R&D Laboratory, Shionogi & Co., Ltd., 1-3, Kuise Terajima 2-chome, Amagasaki, Hyogo 660-0813, Japan
| | - Hiroshi Ueda
- Bioanalytical, Analysis and Evaluation Laboratory, Shionogi & Co., Ltd., 1-1, Futabacho 3-chome, Toyonaka, Osaka 561-0825, Japan
| | - Masato Maruyama
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Okayama University, 1-1-1, Tsushima-naka, Kita-ku, Okayama 700-8530, Japan
| | - Kazutaka Higaki
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Okayama University, 1-1-1, Tsushima-naka, Kita-ku, Okayama 700-8530, Japan
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Nomura M, Tomita J, Itakura S, Todo H, Kodama N, Inoue Y. Study of the preparation, characterization, and solubility of lidocaine complexed with 5-sulfosalicylic acid dihydrate. Drug Dev Ind Pharm 2024; 50:628-638. [PMID: 39030701 DOI: 10.1080/03639045.2024.2382396] [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: 04/26/2024] [Revised: 06/04/2024] [Accepted: 07/16/2024] [Indexed: 07/21/2024]
Abstract
OBJECTIVE This study was to prepare solid dispersions of lidocaine (Lid) with 5-sulfosalicylic acid dihydrate (SSA) by freeze-drying (freeze-dried [FD] Lid/SSA = 1/1) and to evaluate their physical properties. METHODS Here, we evaluated the physicochemical properties and solubility of solid dispersions of Lid and SSA prepared by freeze-drying (freeze-dried [FD] Lid/SSA = 1/1). RESULTS Differential scanning calorimetry measurements showed that after freeze-drying, the endothermic peak due to Lid melting, the dehydration peak, and the endothermic peak due to SSA melting disappeared. Powder X-ray diffraction results showed that the characteristic Lid and SSA peaks disappeared after freeze-drying, indicating a halo pattern. The near-infrared spectroscopy results suggested that Lid-derived -NH and -CH groups and the Lid-derived -OH and -CH groups from the SSA peak shifted and broadened after freeze-drying, suggesting their involvement in complex formation through Lid/SSA intermolecular interactions. Nuclear Overhauser effect spectroscopy-nuclear magnetic resonance (NMR) measurements showed a cross-peak due to the interaction between the Lid-derived -CH group and the SSA-derived -OH group, suggesting hydrogen bonding. Diffusion-ordered spectroscopy NMR measurements showed that the diffusion coefficients of Lid and SSA aggregated in FD Lid/SSA, suggesting a change in Lid dispersibility in the solvent owing to the formation of a complex with SSA. The solubility of FD Lid/SSA was approximately 88 mg/mL (∼20-fold higher than that of Lid). CONCLUSIONS These findings suggest that complex formation occurred in FD Lid/SSA; this enhanced the solubility of this dispersion.
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Affiliation(s)
- Manami Nomura
- Laboratory of Nutri-Pharmacotherapeutics Management, Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, Sakado, Japan
| | - Junki Tomita
- Instrument Analysis Center, Josai University, Sakado, Japan
| | - Shoko Itakura
- Department of Pharmacy, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Noda, Japan
| | - Hiroaki Todo
- Laboratory of Pharmaceutics and Cosmeceutics, Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, Saitama, Japan
| | - Nao Kodama
- Laboratory of Nutri-Pharmacotherapeutics Management, Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, Sakado, Japan
| | - Yutaka Inoue
- Laboratory of Nutri-Pharmacotherapeutics Management, Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, Sakado, Japan
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Budiman A, Wardhana YW, Ainurofiq A, Nugraha YP, Qaivani R, Hakim SNAL, Aulifa DL. Drug-Coformer Loaded-Mesoporous Silica Nanoparticles: A Review of the Preparation, Characterization, and Mechanism of Drug Release. Int J Nanomedicine 2024; 19:281-305. [PMID: 38229702 PMCID: PMC10790662 DOI: 10.2147/ijn.s449159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 12/19/2023] [Indexed: 01/18/2024] Open
Abstract
Drug-coformer systems, such as coamorphous and cocrystal, are gaining recognition as highly effective strategies for enhancing the stability, solubility, and dissolution of drugs. These systems depend on the interactions between drug and coformer to prevent the conversion of amorphous drugs into the crystalline form and improve the solubility. Furthermore, mesoporous silica (MPS) is also a promising carrier commonly used for stabilization, leading to solubility improvement of poorly water-soluble drugs. The surface interaction of drug-MPS and the nanoconfinement effect prevent amorphous drugs from crystallizing. A novel method has been developed recently, which entails the loading of drug-coformer into MPS to improve the solubility, dissolution, and physical stability of the amorphous drug. This method uses the synergistic effects of drug-coformer interactions and the nanoconfinement effect within MPS. Several studies have reported successful incorporation of drug-coformer into MPS, indicating the potential for significant improvement in dissolution characteristics and physical stability of the drug. Therefore, this study aimed to discuss the preparation and characterization of drug-coformer within MPS, particularly the interaction in the nanoconfinement, as well as the impact on drug release and physical stability.
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Affiliation(s)
- Arif Budiman
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Universitas Padjadjaran, Bandung, West Java45363, Indonesia
| | - Yoga Windhu Wardhana
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Universitas Padjadjaran, Bandung, West Java45363, Indonesia
| | - Ahmad Ainurofiq
- Pharmaceutical Technology and Drug Delivery, Department of Pharmacy, Universitas Sebelas Maret, Surakarta, Central Java, 57126, Indonesia
| | - Yuda Prasetya Nugraha
- School of Pharmacy, Bandung Institute of Technology, Bandung, West Java, 40132, Indonesia
| | - Ridhatul Qaivani
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjaran, Bandung, West Java, 45363, Indonesia
| | - Siti Nazila Awaliyyah Lukmanul Hakim
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjaran, Bandung, West Java, 45363, Indonesia
| | - Diah Lia Aulifa
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjaran, Bandung, West Java, 45363, Indonesia
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Islam N, Khan NU, Razzaq A, Menaa F, Khan ZU, Hussain A, Rehman SU, Iqbal H, Ni J. Loratadine oral bioavailability enhancement via solid dispersion loaded oro-dispersible films: Formulation, characterization and pharmacokinetics. Colloids Surf B Biointerfaces 2023; 230:113526. [PMID: 37647750 DOI: 10.1016/j.colsurfb.2023.113526] [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: 01/21/2023] [Revised: 08/18/2023] [Accepted: 08/23/2023] [Indexed: 09/01/2023]
Abstract
Loratadine (LRD) belongs to second-generation tricyclic H1 antihistamine class, known for its non-sedating properties in allergic reactions. H1 antihistamines avoid and block the responses to allergens or histamine in nose and conjunctivae, thereby abolishing itching, congestion and sneezing. LRD is a Biopharmaceutical Class System (BCS) class II drug with dissolution or solubility limited absorption which limited the oral bioavailability and therapeutic efficacy of LRD. To improve the oral bioavailability of LRD for allergic disease (urticaria) treatment, LRD solid dispersions (LRD-SDs) were integrating into oro-dispersible films (ODFs). LRD-SDs were prepared through hot-melt extrusion method (HME) using d-alpha-tocopherol polyethylene glycol 1000 succinate (TPGS-1000), and polyvinyl caprolactam-polyvinyl acetate-polyethylene glycol graft copolymer (SP). Subsequently, LRD-SDs were incorporated in ODFs by solvent casting method. The physicochemical and mechanical properties of LRD solid dispersions-loaded oro-dispersible films (LRD-SDs-ODFs), were evaluated. The in-vitro dissolution, ex-vivo permeation, oral bioavailability, and pharmacodynamics studies were conducted to evaluate LRD-SDs-ODFs efficiency. LRD-SDs-ODFs showed superior solubility and in-vitro dissolution results compared to that of pure LRD (p < 0.05). The solubility of the LRD-SD coded as LTS-4 was 190 times higher than the pure drug in aqueous media. The average hydrodynamic particle size (PS), polydispersity index (PDI), and zeta potential (ZP) of SD particles were 76 ± 2.1 nm, 0.20 ± 0.08 and - 19.16 ± 1.4 mV, respectively. Moreover, differential scanning calorimetry (DSC) and X-ray diffraction (XRD) results confirmed the amorphousness of LRD in LRD-SDs-ODFs. The permeability flux of LRD was 44.6 ± 3.1 μg/cm2/h from DPF-5 formulation. Likewise, in vivo oral bioavailability of DPF-5 in Sprague-Dawley rats was significantly increased (p < 0.05) compared to free LRD. Further, wheal area was reduced 20 % higher than LRD in 8 h (p < 0.05). Overall, LRD-SDs-ODFs considerably enhanced LRD solubility, dissolution rate, bioavailability, and antihistaminic efficacy. Our findings show that SDs-ODFs is an effective carrier system for delivering poorly soluble LRD.
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Affiliation(s)
- Nayyer Islam
- The University of Chenab, Gujrat, Pakistan; Faculty of Pharmacy, Government College University Faisalabad, Pakistan
| | | | - Anam Razzaq
- College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, China
| | - Farid Menaa
- Departments of Oncology and Nanomedicine, California Innovations Corporation, San Diego, CA 92037, USA
| | - Zaheer Ullah Khan
- Department of Pharmacy, COMSATS University, Abbottabad Campus, Pakistan
| | - Abid Hussain
- Department of Pharmacy, Faculty of Medical and Health Sciences, University of Poonch, Rawalakot 12351, Pakistan
| | - Saif Ur Rehman
- Department of Pharmacy, Faculty of Medical and Health Sciences, University of Poonch, Rawalakot 12351, Pakistan
| | - Haroon Iqbal
- The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital) Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China.
| | - Jiang Ni
- Department of Pharmacy, Affiliated Hospital of Jiangnan University, Wuxi 214000, China.
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Rocha B, de Morais LA, Viana MC, Carneiro G. Promising strategies for improving oral bioavailability of poor water-soluble drugs. Expert Opin Drug Discov 2023; 18:615-627. [PMID: 37157841 DOI: 10.1080/17460441.2023.2211801] [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] [Indexed: 05/10/2023]
Abstract
INTRODUCTION Oral administration of poorly water-soluble drugs (PWSDs) is generally related to low bioavailability, leading to high drug doses, multiple side effects, and low patient compliance. Thus, different strategies have been developed to increase drug solubility and dissolution in the gastrointestinal tract, opening new venues for these drugs. AREAS COVERED This review outlines the current challenges in PWSD formulation development and the strategies to overcome the oral barriers and increase their solubility and bioavailability. Conventional strategies include altering crystalline and molecular structures and modifying oral solid dosage forms. In contrast, novel strategies comprise micro- and nanostructured systems. Recent representative studies involving how these strategies have improved the oral bioavailability of PWSDs were also reviewed and reported. EXPERT OPINION New approaches to enhance PWSD bioavailability have sought to improve water solubility and dissolution rates, drug protection by overcoming biological barriers, and increased absorption. Still, only a handful of studies have focused on quantifying the increase in bioavailability. Improving the oral bioavailability of PWSDs remains an exciting unexplored field of research and has become an important issue for successfully developing pharmaceutical products.
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Affiliation(s)
- Bruna Rocha
- Department of Pharmacy, Faculty of Biological and Health Sciences, Federal University of Jequitinhonha and Mucuri Valleys, Diamantina, Brazil
| | - Letícia Aparecida de Morais
- Department of Pharmacy, Faculty of Biological and Health Sciences, Federal University of Jequitinhonha and Mucuri Valleys, Diamantina, Brazil
| | - Mateus Costa Viana
- Department of Pharmacy, Faculty of Biological and Health Sciences, Federal University of Jequitinhonha and Mucuri Valleys, Diamantina, Brazil
| | - Guilherme Carneiro
- Department of Pharmacy, Faculty of Biological and Health Sciences, Federal University of Jequitinhonha and Mucuri Valleys, Diamantina, Brazil
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Van Nguyen K, Dang TK, Vu LTD, Ha NT, Truong HD, Tran TH. Orodispersible film incorporating nanoparticulate loratadine for an enhanced oral bioavailability. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2023. [DOI: 10.1007/s40005-023-00613-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
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8
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Mechanistic insights into the crystallization of coamorphous drug systems. J Control Release 2023; 354:489-502. [PMID: 36646287 DOI: 10.1016/j.jconrel.2023.01.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 01/07/2023] [Accepted: 01/08/2023] [Indexed: 01/18/2023]
Abstract
In our previous study, the coamorphous formulation of lurasidone hydrochloride (LH) with saccharin (SAC) showed significantly enhanced dissolution and physical stability compared to crystalline/amorphous LH. However, the coamorphous system is still in amorphous state, and has the tendency to recrystallization, which will in turn result in the loss of above advantages. In this study, the crystallization kinetics under isothermal and non-isothermal conditions was investigated. Compared to amorphous LH, coamorphous LH-SAC showed 68.3-361.2 and 2.6-6.1 times lower crystallization rates in glassy state and supercooled liquid state, respectively. After co-amorphization, the addition of SAC changed the crystallization mechanism of amorphous LH from nucleation-controlled to diffusion-controlled manner. Amorphous LH followed the site-saturated nucleation, whereas the coamorphous system exhibited a fixed number of nuclei. The non-isothermal crystallization indicated amorphous LH and coamorphous LH-SAC showed two-dimensional (JMAEK 2) and three-dimensional (JMAEK 3) growth of nuclei, respectively. Furthermore, coamorphous LH-SAC exhibited higher molecular mobility and dynamic fragility (mD) than amorphous LH, which is kinetically unfavorable for its physical stability. However, from thermodynamic perspective, coamorphous LH-SAC had a higher configurational entropy, i.e., a higher entropy barrier for crystallization, which is beneficial to hinder its crystallization. Therefore, it was concluded that the higher configurational entropy rather than the molecular mobility was proposed to be responsible for its improved stability. In addition, molecular dynamics simulations with miscibility, radial distribution function and binding energy calculations suggested coamorphous components exhibited good miscibility and strong intermolecular interactions, which was also conductive to the enhancement in its stability. This study offers an in-depth understanding about the effect of the coformer on the crystallization kinetics of coamorphous systems, and points out the important contribution of the configurational entropy in stabilizing the coamorphous systems.
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Development of Co-Amorphous Loratadine–Citric Acid Orodispersible Drug Formulations. Processes (Basel) 2022. [DOI: 10.3390/pr10122722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
This study aimed at the preparation and characterization of co-amorphous loratadine–citric acid orally disintegrating dosage forms (ODx). A co-amorphous loratadine–citric acid was prepared by solvent evaporation method in three different molecular ratios. DSC, FTIR, and dissolution studies have been conducted for the binary system. The co-amorphous system was used to obtain oral lyophilizates and orally disintegrating tablets by direct compression. Diameter, thickness, hardness, disintegration time, uniformity of mass, and dissolution was determined for the dosage forms. DSC curves showed a lack of sharp endothermic peaks for the binary systems. FTIR spectra presented a hypsochromic modification of the characteristic peaks. Dissolution studies indicated a five-fold increase in the dissolved amount compared to pure loratadine in water. Disintegration times of direct compression ODx varied in the range of 34–41 s and for freeze-dried ODx in the range of 8–9 s. Friability was under 1% in all cases. The dissolution of loratadine in buffer solution at pH = 1 was almost complete. In conclusion binary systems of loratadine and citric acid enhance solubility and combined with the orally disintegrating pharmaceutical form also increase patient compliance.
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10
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Wang G, Li Y, Qin Z, Liu T. Nanosizing Coamorphous Drugs Using Top-Down Approach: The Effect of Particle Size Reduction on Dissolution Improvement. AAPS PharmSciTech 2022; 24:14. [PMID: 36478061 DOI: 10.1208/s12249-022-02475-7] [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: 09/06/2022] [Accepted: 11/28/2022] [Indexed: 12/13/2022] Open
Abstract
Nanotechnology and coamorphous are both advanced technologies that can effectively improve the solubility of drugs. This study has been the first attempt to combine these two approaches to construct the coamorphous nanoparticles to improve the dissolution and investigated the effect of physical properties of coamorphous solid on the nanosizing process. Two types of coamorphous solid, i.e., curcumin-artemisinin and quercetin-lysine, were selected as models. Coamorphous curcumin-artemisinin could highly contribute to the size reduction during milling compared to the crystalline form, which might attribute to the change of crystallinity. Nanosized coamorphous curcumin-artemisinin showed higher dissolution than nanocrystals and single coamorphous sample. However, quercetin-lysine coamorphous nanoparticles did not reflect significant dissolution improvement compared with the microsized sample. The difference of initial dissolutions for both could be the main reason. The directly mixing and drying method was confirmed to be an effective and simple approach to maintain the dissolution of nanosized coamorphous sample.
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Affiliation(s)
- Guoliang Wang
- Department of Pharmaceutical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Yanchao Li
- Department of Pharmaceutical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Zhiguo Qin
- Department of Pharmaceutical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Tao Liu
- Department of Pharmaceutical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China.
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da Costa NF, Santos IA, Fernandes AI, Pinto JF. Sulfonic Acid Derivatives in the Production of Stable Co-Amorphous Systems for Solubility Enhancement. J Pharm Sci 2022; 111:3327-3339. [PMID: 36007560 DOI: 10.1016/j.xphs.2022.08.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 08/13/2022] [Accepted: 08/17/2022] [Indexed: 01/05/2023]
Abstract
Co-amorphization is a promising approach to stabilize drugs in the amorphous form. Olanzapine, a poorly water-soluble drug was used in this study. Sulfonic acids (saccharin, cyclamic acid and acesulfame), free and in salt forms, were used as co-formers and compared with carboxylic acids commonly used in the preparation of co-amorphous systems. Several manufacturing techniques were tested, and the co-amorphous systems characterized by differential scanning calorimetry, X-ray powder diffraction, thermogravimetry and Fourier-transform infrared spectroscopy. Free sulfonic acids produced co-amorphous systems with the drug, unlike their salts. Spectroscopy data suggests the formation of salts between olanzapine and the sulfonic acids, used as co-formers. The co-amorphous system produced with saccharin by solvent evaporation, showed the most notable solubility enhancement (145 times). The stability of amorphous and co-amorphous olanzapine systems was assessed upon exposure to stress conditions during storage. Amorphized olanzapine readily reconverted back to the crystalline form while sulfonic acids:olanzapine co-amorphous were stable for up to 24 weeks in low/medium humidity conditions (11-75% RH). Results highlight the potential advantages offered by sulfonic acids as co-formers to produce stable and more soluble co-amorphous olanzapine.
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Affiliation(s)
- Nuno F da Costa
- iMed.ULisboa - Research Institute for Medicines, Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Inês A Santos
- iMed.ULisboa - Research Institute for Medicines, Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal; CiiEM - Interdisciplinary Research Center Egas Moniz, Instituto Universitário Egas Moniz, Quinta da Granja, Monte de Caparica, 2829-511 Caparica, Portugal
| | - Ana I Fernandes
- CiiEM - Interdisciplinary Research Center Egas Moniz, Instituto Universitário Egas Moniz, Quinta da Granja, Monte de Caparica, 2829-511 Caparica, Portugal
| | - João F Pinto
- iMed.ULisboa - Research Institute for Medicines, Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal.
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12
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Polymeric solid dispersion Vs co-amorphous technology: A critical comparison. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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13
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Chen J, Li H, Li X, Yuan D, Cheng H, Ke Y, Cheng J, Wang Z, Chen J, Li J. Co-amorphous systems using epigallocatechin-3-gallate as a co-former: stability, in vitro dissolution, in vivo bioavailability and underlying molecular mechanisms. Eur J Pharm Biopharm 2022; 178:82-93. [PMID: 35932965 DOI: 10.1016/j.ejpb.2022.08.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 07/26/2022] [Accepted: 08/01/2022] [Indexed: 11/25/2022]
Abstract
Co-amorphous strategy has been extensively investigated to improve the dissolution of hydrophobic drugs. Here, epigallocatechin-3-gallate (EGCG) was exploited as a co-former in co-amorphous systems based on its unique structure including phenyl rings, phenolic hydroxyl groups and the galloyl moiety. Two model BCS class II drugs, simvastatin (SIM) and nifedipine (NIF), were selected to be co-amorphized with EGCG. All drug-EGCG systems at three molar ratios became amorphous by the means of spray drying and showed high physically stable either under dry condition and 75% RH at 40 °C or under dry conditions at 25 °C. The optimal feed molar ratios of both EGCG based co-amorphous systems fabricated were determined to be three, under which the significant increases were obtained in the maximum apparent concentrations of 4.90-fold for SIM at 1 h and 106.03-fold for NIF at 0.25 h compared to crystalline drugs by non-sink dissolution studies. The underlying molecular mechanisms of two co-amorphous systems formation were involved in molecular miscibility, hydrogen bonds and π-π stacking interactions unraveled by means of DSC, FTIR and molecular dynamics simulations. More to the point, oral pharmacokinetic studies in rats demonstrated that co-amorphous SIM-EGCG and NIF-EGCG systems at 1:3 have a significant increase in Cmax of 1.81- and 5.69-fold, and AUC 0-24 h of 1.62- and 4.57-fold compared with those of corresponding crystalline drugs, respectively. In conclusion, EGCG is proved to be a promising co-former in co-amorphous systems.
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Affiliation(s)
- Jinfeng Chen
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, PR China; Jiangsu Provincial TCM Engineering Technology Research Center of High Efficient Drug Delivery System (DDS), Nanjing 210023, PR China
| | - Huaning Li
- Medical Department, Weifang Medical College, Weifang 261042, PR China
| | - Xiangwei Li
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, PR China; Jiangsu Provincial TCM Engineering Technology Research Center of High Efficient Drug Delivery System (DDS), Nanjing 210023, PR China
| | - Dandan Yuan
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Hongqing Cheng
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, PR China; Jiangsu Provincial TCM Engineering Technology Research Center of High Efficient Drug Delivery System (DDS), Nanjing 210023, PR China
| | - Yixin Ke
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, PR China; Jiangsu Provincial TCM Engineering Technology Research Center of High Efficient Drug Delivery System (DDS), Nanjing 210023, PR China
| | - Jianming Cheng
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, PR China; Jiangsu Province Engineering Research Center of Classical Prescription, Nanjing 210023, PR China
| | - Zengwu Wang
- Medical Department, Weifang Medical College, Weifang 261042, PR China
| | - Jing Chen
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, PR China.
| | - Junsong Li
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, PR China; Jiangsu Provincial TCM Engineering Technology Research Center of High Efficient Drug Delivery System (DDS), Nanjing 210023, PR China.
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14
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Porat D, Dukhno O, Vainer E, Cvijić S, Dahan A. Antiallergic Treatment of Bariatric Patients: Potentially Hampered Solubility/Dissolution and Bioavailability of Loratadine, but Not Desloratadine, Post-Bariatric Surgery. Mol Pharm 2022; 19:2922-2936. [PMID: 35759355 DOI: 10.1021/acs.molpharmaceut.2c00292] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Gastrointestinal anatomical/physiological changes after bariatric surgery influence variables affecting the fate of drugs after ingestion, and medication management of these patients requires a thorough and complex mechanistic analysis. The aim of this research was to study whether loratadine/desloratadine antiallergic treatment of bariatric patients is at risk of being ineffective due to impaired solubility/dissolution. The pH-dependent solubility of loratadine/desloratadine was studied in vitro, as well as ex vivo, in gastric content aspirated from patients before versus after bariatric surgery. Then, a biorelevant dissolution method was developed to simulate the gastric conditions after sleeve gastrectomy (SG) or one-anastomosis gastric bypass (OAGB), accounting for key variables (intragastric volume, pH, and contractility), and the dissolution of loratadine/desloratadine was studied pre- versus post-surgery. Dissolution was also studied after tablet crushing or syrup ingestion, as these actions are recommended after bariatric surgery. Finally, these experimental data were implemented in a newly developed physiologically based pharmacokinetic (PBPK) model to simulate loratadine/desloratadine PK profiles pre- versus post-surgery. For both drugs, pH-dependent solubility was demonstrated, with decreased solubility at higher pH; over the pH range 1-7, loratadine solubility decreased ∼2000-fold, and desloratadine decreased ∼120-fold. Ex vivo solubility in aspirated human gastric fluid pre- versus post-surgery was in good agreement with these in vitro results and revealed that while desloratadine solubility still allows complete dissolution post-surgery, loratadine solubility post-surgery is much lower than the threshold required for the complete dissolution of the drug dose. Indeed, severely hampered loratadine dissolution was revealed, dropping from 100% pre-surgery to only 3 and 1% post-SG and post-OAGB, respectively. Tablet crushing did not increase loratadine dissolution in any post-bariatric condition, nor did loratadine syrup in post-OAGB (pH 7) media, while in post-laparoscopic SG conditions (pH 5), the syrup provided partial improvement of up to 40% dissolution. Desloratadine exhibited quick and complete dissolution across all pre-/post-surgery conditions. PBPK simulations revealed pronounced impaired absorption of loratadine post-surgery, with 84-88% decreased Cmax, 28-36% decreased Fa, and 24-31% decreased overall bioavailability, depending on the type of bariatric procedure. Desloratadine absorption remained unchanged post-surgery. We propose that desloratadine should be preferred over loratadine in bariatric patients, and as loratadine is an over-the-counter medication, antiallergic therapy after bariatric surgery requires special attention by patients and clinicians alike. This mechanistic approach that reveals potential post-surgery complexity, and at the same time provides adequate substitutions, may contribute to better pharmacotherapy and overall patient care after bariatric surgery.
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Affiliation(s)
- Daniel Porat
- Department of Clinical Pharmacology, School of Pharmacy, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Oleg Dukhno
- Department of Surgery B, Soroka University Medical Center, Beer-Sheva 8410101, Israel
| | - Ella Vainer
- Department of Clinical Pharmacology, School of Pharmacy, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Sandra Cvijić
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Arik Dahan
- Department of Clinical Pharmacology, School of Pharmacy, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
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15
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Lambros M, Tran T(H, Fei Q, Nicolaou M. Citric Acid: A Multifunctional Pharmaceutical Excipient. Pharmaceutics 2022; 14:972. [PMID: 35631557 PMCID: PMC9148065 DOI: 10.3390/pharmaceutics14050972] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 04/15/2022] [Accepted: 04/23/2022] [Indexed: 02/04/2023] Open
Abstract
Citric acid, a tricarboxylic acid, has found wide application in the chemical and pharmaceutical industry due to its biocompatibility, versatility, and green, environmentally friendly chemistry. This review emphasizes the pharmaceutical uses of citric acid as a strategic ingredient in drug formulation while focusing on the impact of its physicochemical properties. The functionality of citric acid is due to its three carboxylic groups and one hydroxyl group. These allow it to be used in many ways, including its ability to be used as a crosslinker to form biodegradable polymers and as a co-former in co-amorphous and co-crystal applications. This paper also analyzes the effect of citric acid in physiological processes and how this effect can be used to enhance the attributes of pharmaceutical preparations, as well as providing a critical discussion on the issues that may arise out of the presence of citric acid in formulations.
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Affiliation(s)
- Maria Lambros
- Department of Pharmaceutical Sciences, College of Pharmacy, Western University of Health Sciences, 309 E Second Street, Pomona, CA 91766, USA; (T.T.); (Q.F.)
| | - Thac (Henry) Tran
- Department of Pharmaceutical Sciences, College of Pharmacy, Western University of Health Sciences, 309 E Second Street, Pomona, CA 91766, USA; (T.T.); (Q.F.)
| | - Qinqin Fei
- Department of Pharmaceutical Sciences, College of Pharmacy, Western University of Health Sciences, 309 E Second Street, Pomona, CA 91766, USA; (T.T.); (Q.F.)
| | - Mike Nicolaou
- Doric Pharma LLC, 5270 California Ave, Suite 300, Irvine, CA 92617, USA;
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16
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Zhang J, Kan D. Evaluation of efficiency and safety of combined loratadine and budesonide in patients with anaphylactic rhinitis: A protocol for systematic review and meta-analysis. Medicine (Baltimore) 2022; 101:e28851. [PMID: 35512063 PMCID: PMC9276336 DOI: 10.1097/md.0000000000028851] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 01/28/2022] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Among the most prevalent allergic conditions that affect children is anaphylactic rhinitis (AR). It is capable of leading to physical as well as mental health issues. Concomitant use of loratadine and budesonide may improve symptoms of AR more than treatment with either drug alone. To assess the efficacy and safety of combined loratadine and budesonide for patients experiencing AR is the aim of this study. METHODS We will apply 2 independent authors in six databases, including EMBASE, Pub Med, Web of Science, China National Knowledge Infrastructure, WanFang Database, Chinese Scientific Journal Database (VIP database). Studies evaluating the efficacy and safety of combined loratadine and budesonide in patients with AR will include studies published between inception and Dec 2021. Accordingly, the data will have to be in English and Chinese. For the selection of data extraction, the studies and risk of bias assessment will be completed by 2 independent authors. Accordingly, data synthesis will be conducted through RevMan 5.3 software. The study will establish heterogeneity using the I2 test. Without correct data or information, there is a need for Publication bias, which is assessed by performing the Begg and Egger test and generating a funnel plot. RESULTS The study provides a trustable clinical foundation for loratadine and budesonide for AR treatment.OSF registration number: DOI 10.17605/OSF.IO/M2RFGEthics and dissemination: Because the present study is founded on existing studies, it does not require ethics approval.
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Affiliation(s)
- Jing Zhang
- Department of Otorhinolaryngology, WuHan Puren Hospital, Wuhan, Hubei, China
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17
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Heaney MP, Adhikari L, Siegel AL, Pekar KB, Lefton JB, McGuire C, Rungthanaphatsophon P, Walensky JR, Baker GA, Runčevski T. Deep eutectic solvents comprising creatine and citric acid and their hydrated mixtures. Chem Commun (Camb) 2022; 58:2838-2841. [PMID: 35142758 DOI: 10.1039/d1cc06088k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
We report the phase diagram for the binary creatine-citric acid mixture which features a stable and broad eutectic region. Combinations containing 10-60 mol% creatine yield a deep eutectic solvent with a glass transition temperature at 270 K. Addition of up to 70 mol% water to the binary mixture affords retention of the eutectic nature and a handle to vary solvent viscosity and polarity.
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Affiliation(s)
- Matthew P Heaney
- Department of Chemistry, Southern Methodist University, Dallas, TX 75275, USA.
| | - Laxmi Adhikari
- Department of Chemistry, University of Missouri, Columbia, MS 65211, USA.
| | - Asher L Siegel
- Department of Chemistry, University of Missouri, Columbia, MS 65211, USA.
| | - Kyle B Pekar
- Department of Chemistry, Southern Methodist University, Dallas, TX 75275, USA.
| | - Jonathan B Lefton
- Department of Chemistry, Southern Methodist University, Dallas, TX 75275, USA.
| | - Claire McGuire
- Department of Chemistry, Southern Methodist University, Dallas, TX 75275, USA.
| | | | - Justin R Walensky
- Department of Chemistry, University of Missouri, Columbia, MS 65211, USA.
| | - Gary A Baker
- Department of Chemistry, University of Missouri, Columbia, MS 65211, USA.
| | - Tomče Runčevski
- Department of Chemistry, Southern Methodist University, Dallas, TX 75275, USA.
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18
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Strategy to counteract the pyrazinamide induced hepatotoxicity by developing naringin based Co-amorphous system with supplementary benefits. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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19
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Pešić N, Dapčević A, Ivković B, Kachrimanis K, Mitrić M, Ibrić S, Medarević D. Potential application of low molecular weight excipients for amorphization and dissolution enhancement of carvedilol. Int J Pharm 2021; 608:121033. [PMID: 34419592 DOI: 10.1016/j.ijpharm.2021.121033] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 07/29/2021] [Accepted: 08/17/2021] [Indexed: 01/03/2023]
Abstract
In this study, four low molecular weight (LMW) excipients, tryptophan (TRY), phenylalanine (PHE), lysine (LYS) and saccharin (SAC) were evaluated as co-formers to generate co-amorphous systems (CAMS) by ball milling with carvedilol (CRV). Mixtures of CRV and LMW excipient in 1:0.5, 1:1 and 1:2 drug:excipient molar ratios were ball milled and analysed by powder X-ray diffraction (PXRD), differential scanning calorimetry (DSC), Fourier transform (FT-IR) infrared spectroscopy and dissolution testing. CAMS were formed by milling of a mixture of CRV with TRY in 1:2 M ratio and SAC in 1:1 M ratio, while amorphization of only CRV was achieved in other mixtures with SAC. In other samples containing TRY and PHE, milling resulted in partial amorphization, while LYS was the least suitable excipient for the amorphization of CRV. Unexpectedly, the highest supersaturation of CRV was achieved from samples containing CRV and LYS in 1:1 and 1:2 M ratios, despite the absence of a significant reduction in CRV crystallinity upon milling of these samples. Increase of hydrophobic surface area caused by milling of samples with TRY and PHE and agglomeration during dissolution testing of samples containing SAC are likely causes of poor dissolution performance of mixtures containing fully or partially amorphous CRV.
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Affiliation(s)
- Nikola Pešić
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Aleksandra Dapčević
- Department of General and Inorganic Chemistry, Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia
| | - Branka Ivković
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Kyriakos Kachrimanis
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Miodrag Mitrić
- Vinča Institute of Nuclear Sciences, University of Belgrade, Mike Petrovića Alasa 12-14, 11000 Belgrade, Serbia
| | - Svetlana Ibrić
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Djordje Medarević
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia.
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20
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Valkama E, Haluska O, Lehto VP, Korhonen O, Pajula K. Production and stability of amorphous solid dispersions produced by a Freeze-drying method from DMSO. Int J Pharm 2021; 606:120902. [PMID: 34293468 DOI: 10.1016/j.ijpharm.2021.120902] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 07/14/2021] [Accepted: 07/16/2021] [Indexed: 01/17/2023]
Abstract
Freeze drying is known to be able to produce an amorphous product, but this approach has been mostly used with water-based media. With APIs which are virtually water insoluble, a more appropriate freeze-drying medium would be an organic solvent. Little is known about this approach in terms of forming a stable freeze-dried amorphous product stabilized by small molecule excipient out of organic solvents. In the present study, freeze-drying of APIs from DMSO solutions was used to produce stable solid dispersions from binary mixtures of APIs containing at least one poorly water soluble or practically water-insoluble API. The developed freeze-drying method produced amorphous binary solid dispersions which remained amorphous for at least two days while the 13 best binary dispersions remained stable at room temperature for the entire study period of 127 days. Average residual DMSO levels in dried dispersions were 3.5% ± 1.6%. The developed method proved feasible in producing relatively stable amorphous solid dispersions from practically water insoluble drug compounds which could subsequently be used in further research purposes.
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Affiliation(s)
- Eetu Valkama
- School of Pharmacy, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland
| | - Ondřej Haluska
- Department of Applied Physics, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland
| | - Vesa-Pekka Lehto
- Department of Applied Physics, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland
| | - Ossi Korhonen
- School of Pharmacy, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland
| | - Katja Pajula
- School of Pharmacy, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland.
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21
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Yarlagadda DL, Sai Krishna Anand V, Nair AR, Navya Sree KS, Dengale SJ, Bhat K. Considerations for the selection of co-formers in the preparation of co-amorphous formulations. Int J Pharm 2021; 602:120649. [PMID: 33915186 DOI: 10.1016/j.ijpharm.2021.120649] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 04/16/2021] [Accepted: 04/22/2021] [Indexed: 10/21/2022]
Abstract
Co-amorphous drug delivery systems are evolving as a credible alternative to amorphous solid dispersions technology. In Co-amorphous systems (CAMs), a drug is stabilized in amorphous form using small molecular weight compounds called as co-formers. A wide variety of small molecular weight co-formers have been leveraged in the preparation of CAMs. The stability and supersaturation potential of prepared co-amorphous phases largely depend on the type of co-former employed in the CAMs. However, the rationality behind the co-former selection in co-amorphous systems is poorly understood and scarcely compiled in the literature. There are various facets to the rational selection of co-former for CAMs. In this context, the present review compiles various factors affecting the co-former selection. The factors have been broadly classified under Thermodynamic, Kinetic and Pharmacokinetic-Pharmacologically relevant parameters. In particular, the importance of Glass transition, Miscibility, Liquid-Liquid phase separation (LLPS), Crystallization inhibition has been deliberated in detail.
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Affiliation(s)
- Dani Lakshman Yarlagadda
- Department of Pharmaceutical Quality Assurance, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576 104, India
| | - Vullendula Sai Krishna Anand
- Department of Pharmaceutical Quality Assurance, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576 104, India
| | - Athira R Nair
- Department of Pharmaceutical Quality Assurance, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576 104, India
| | - K S Navya Sree
- Department of Pharmaceutical Quality Assurance, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576 104, India
| | - Swapnil J Dengale
- Department of Pharmaceutical Quality Assurance, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576 104, India
| | - Krishnamurthy Bhat
- Department of Pharmaceutical Quality Assurance, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576 104, India.
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22
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Co-Amorphous Drug Formulations in Numbers: Recent Advances in Co-Amorphous Drug Formulations with Focus on Co-Formability, Molar Ratio, Preparation Methods, Physical Stability, In Vitro and In Vivo Performance, and New Formulation Strategies. Pharmaceutics 2021; 13:pharmaceutics13030389. [PMID: 33804159 PMCID: PMC7999207 DOI: 10.3390/pharmaceutics13030389] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 03/11/2021] [Accepted: 03/12/2021] [Indexed: 12/20/2022] Open
Abstract
Co-amorphous drug delivery systems (CAMS) are characterized by the combination of two or more (initially crystalline) low molecular weight components that form a homogeneous single-phase amorphous system. Over the past decades, CAMS have been widely investigated as a promising approach to address the challenge of low water solubility of many active pharmaceutical ingredients. Most of the studies on CAMS were performed on a case-by-case basis, and only a few systematic studies are available. A quantitative analysis of the literature on CAMS under certain aspects highlights not only which aspects have been of great interest, but also which future developments are necessary to expand this research field. This review provides a comprehensive updated overview on the current published work on CAMS using a quantitative approach, focusing on three critical quality attributes of CAMS, i.e., co-formability, physical stability, and dissolution performance. Specifically, co-formability, molar ratio of drug and co-former, preparation methods, physical stability, and in vitro and in vivo performance were covered. For each aspect, a quantitative assessment on the current status was performed, allowing both recent advances and remaining research gaps to be identified. Furthermore, novel research aspects such as the design of ternary CAMS are discussed.
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23
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Co-amorphous formation of piroxicam-citric acid to generate supersaturation and improve skin permeation. Eur J Pharm Sci 2020; 158:105667. [PMID: 33296711 DOI: 10.1016/j.ejps.2020.105667] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 11/09/2020] [Accepted: 11/28/2020] [Indexed: 12/11/2022]
Abstract
The objective of this study was to prepare a co-amorphous formulation of piroxicam (PIR), a non-steroidal anti-inflammatory drug, and citric acid (CA), and evaluate its skin permeation ability. A spray-drying method was employed to prepare the co-amorphous formulation and its physical properties were characterized. X-ray powder diffraction and thermal analysis confirmed a homogeneous amorphous state, and the infrared spectra revealed intermolecular interactions between PIR and CA, suggesting formation of a co-amorphous formulation of PIR and CA. The PIR-CA co-amorphous formulation exhibited no crystallization for 60 days at 4/25/40°C with silica gel. The PIR-CA co-amorphous formulation increased the solubility of PIR in polyethylene glycol 400 compared with that of the pure drug, and physical mixture (PM) of PIR and CA, confirming a supersaturated state in the formulation. The PIR-CA co-amorphous formulation demonstrated higher skin permeation than PIR alone or PM of PIR and CA, and the flux value was consistent with the degree of saturation. Thus, the increase in the skin permeation of PIR from the PIR-CA co-amorphous formulation directly depended on the increased thermodynamic activity by supersaturation in the absence of interactions between the drug and co-former in the vehicle.
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24
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Shi X, Fan B, Gu C, Zhou X, Wang C, Ding Z. Ibrutinib and carboxylic acid coamorphous system with increased solubility and dissolution: A potential interaction mechanism. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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25
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Han J, Wei Y, Lu Y, Wang R, Zhang J, Gao Y, Qian S. Co-amorphous systems for the delivery of poorly water-soluble drugs: recent advances and an update. Expert Opin Drug Deliv 2020; 17:1411-1435. [DOI: 10.1080/17425247.2020.1796631] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Jiawei Han
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, P.R. China
| | - Yuanfeng Wei
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, P.R. China
| | - Yan Lu
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, P.R. China
| | - Runze Wang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, P.R. China
| | - Jianjun Zhang
- School of Pharmacy, China Pharmaceutical University, Nanjing, P.R. China
| | - Yuan Gao
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, P.R. China
| | - Shuai Qian
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, P.R. China
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26
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Hirakawa Y, Ueda H, Wakabayashi R, Kamiya N, Goto M. A Novel Binary Supercooled Liquid Formulation for Transdermal Drug Delivery. Biol Pharm Bull 2020; 43:393-398. [DOI: 10.1248/bpb.b19-00642] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Yuya Hirakawa
- Physicochemical and Preformulation, Applied Chemistry and Analysis, Research Laboratory for Development, Shionogi & Co., Ltd
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University
| | - Hiroshi Ueda
- Physicochemical and Preformulation, Applied Chemistry and Analysis, Research Laboratory for Development, Shionogi & Co., Ltd
| | - Rie Wakabayashi
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University
| | - Noriho Kamiya
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University
- Division of Biotechnology, Center for Future Chemistry, Kyushu University
| | - Masahiro Goto
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University
- Center for Transdermal Drug Delivery, Kyushu University
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27
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Tu W, Knapik-Kowalczuk J, Chmiel K, Paluch M. Glass Transition Dynamics and Physical Stability of Amorphous Griseofulvin in Binary Mixtures with Low- Tg Excipients. Mol Pharm 2019; 16:3626-3635. [PMID: 31287704 DOI: 10.1021/acs.molpharmaceut.9b00476] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Amorphization of drug formulations containing active pharmaceutical ingredients (APIs) and excipients has been proven to be an effective strategy to improve their poor aqueous solubility. The excipients can also impact the physical stability of the prepared amorphous forms. Generally, researchers are more apt to select excipients that have high values of glass transition temperature (Tg) because of the antiplasticization effect of the additives on APIs. In this article, we studied the glass transition dynamics as well as crystallization behavior in binary blends composed of griseofulvin (GSF) and two low-Tg additives, octaacetylmaltose (acMAL) and polyvinyl acetate (PVAc), with a particular focus on the plasticization effect. Effectively suppressed crystallization of GSF is observed in both systems when higher excipient contents are used. Our finding aims to encourage the use of specifically developed protocols in which suitable plasticizers are used as excipients for stabilizing the amorphous state of a drug.
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Affiliation(s)
- Wenkang Tu
- Institute of Physics , University of Silesia , 75 Pułku Piechoty 1a , 41-500 Chorzow , Poland.,SMCEBI , 75 Pułku Piechoty 1a , 41-500 Chorzow , Poland
| | - Justyna Knapik-Kowalczuk
- Institute of Physics , University of Silesia , 75 Pułku Piechoty 1a , 41-500 Chorzow , Poland.,SMCEBI , 75 Pułku Piechoty 1a , 41-500 Chorzow , Poland
| | - Krzysztof Chmiel
- Institute of Physics , University of Silesia , 75 Pułku Piechoty 1a , 41-500 Chorzow , Poland.,SMCEBI , 75 Pułku Piechoty 1a , 41-500 Chorzow , Poland
| | - Marian Paluch
- Institute of Physics , University of Silesia , 75 Pułku Piechoty 1a , 41-500 Chorzow , Poland.,SMCEBI , 75 Pułku Piechoty 1a , 41-500 Chorzow , Poland
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28
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Hirakawa Y, Ueda H, Miyano T, Kamiya N, Goto M. New insight into transdermal drug delivery with supersaturated formulation based on co-amorphous system. Int J Pharm 2019; 569:118582. [PMID: 31381987 DOI: 10.1016/j.ijpharm.2019.118582] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 07/10/2019] [Accepted: 07/28/2019] [Indexed: 01/22/2023]
Abstract
The objective of this study was to prepare a supersaturated formulation based on formation of a co-amorphous system of a drug and a coformer in order to enhance skin permeation. Atenolol (ATE) and urea (URE) were used as the model drug and the coformer, respectively. Thermal analysis of physical mixtures of ATE and URE showed decreases in the melting points and the formation of a co-amorphous system which was in a supercooled liquid state because of a low glass transition temperature. Supersaturated solutions of ATE and URE at different molar ratios in polyethylene glycol 400 (PEG400) were prepared. The precipitations were observed under storage at 25 °C for all formulations except for ATE-URE at 1:8 molar ratio which remained in the supersaturated state for 2 months. 1H NMR analysis confirmed the interactions between ATE and URE in PEG400. The ATE-URE supersaturated formulation showed higher permeability for mice skin than that of ATE saturated formulation, which was superior to the expected permeability from the degree of supersaturation. We concluded that co-amorphous based supersaturated formulation offers much promise for transdermal drug delivery.
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Affiliation(s)
- Yuya Hirakawa
- Physicochemical and Preformulation, Applied Chemistry and Analysis, Research Laboratory for Development, Shionogi & Co., Ltd., 3-1-1, Futaba-cho, Toyonaka-shi, Osaka 561-0825, Japan; Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan.
| | - Hiroshi Ueda
- Physicochemical and Preformulation, Applied Chemistry and Analysis, Research Laboratory for Development, Shionogi & Co., Ltd., 3-1-1, Futaba-cho, Toyonaka-shi, Osaka 561-0825, Japan
| | - Tetsuya Miyano
- Physicochemical and Preformulation, Applied Chemistry and Analysis, Research Laboratory for Development, Shionogi & Co., Ltd., 3-1-1, Futaba-cho, Toyonaka-shi, Osaka 561-0825, Japan
| | - Noriho Kamiya
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan; Division of Biotechnology, Center for Future Chemistry, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Masahiro Goto
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan; Center for Transdermal Drug Delivery, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
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29
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Mizoguchi R, Waraya H, Hirakura Y. Application of Co-Amorphous Technology for Improving the Physicochemical Properties of Amorphous Formulations. Mol Pharm 2019; 16:2142-2152. [PMID: 30946778 DOI: 10.1021/acs.molpharmaceut.9b00105] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Co-amorphous technology was recently introduced to stabilize drugs in the amorphous state for drug development. We examined the predictability of the formation of co-amorphous systems and identified two reliable indicators of successful formation: (1) a negative Δ Hmix value and (2) small Δlog P between components. Moreover, we found that the stability of co-amorphous systems was improved when (1) Δ Hmix was negative and (2) amorphous forms of the constituent compounds were stable. Furthermore, we concluded that co-amorphous systems with small (negatively large) Δ Hmix values had lower hygroscopicity. Typically, amorphous solid dispersions exhibit hygroscopicity because polymers exhibit large hygroscopicity. We proved the superiority of co-amorphous technology over amorphous solid dispersion in this respect. Our results provide methods for (1) establishing a screening method and (2) improving hygroscopicity, which may make co-amorphous technology more useful than amorphous solid dispersion technology.
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Affiliation(s)
- Ryo Mizoguchi
- Analytical Research Labs. , Astellas Pharma Inc. , 180, Ozumi , Yaizu-shi , Shizuoka 425-0072 , Japan
| | - Haruka Waraya
- Analytical Research Labs. , Astellas Pharma Inc. , 180, Ozumi , Yaizu-shi , Shizuoka 425-0072 , Japan
| | - Yutaka Hirakura
- Pharmaceutical Science & Technology Labs. , Astellas Pharma Inc. , 21, Miyukigaoka , Tsukuba-shi , Ibaraki 305-8585 , Japan
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30
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Hashim Ali K, Mohsin Ansari M, Ali Shah F, Ud Din F, Abdul Basit M, Kim JK, Zeb A. Enhanced dissolution of valsartan-vanillin binary co-amorphous system loaded in mesoporous silica particles. J Microencapsul 2019; 36:10-20. [DOI: 10.1080/02652048.2019.1579265] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Khan Hashim Ali
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Muhammad Mohsin Ansari
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Fawad Ali Shah
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Fakhar Ud Din
- Department of Pharmacy, Quaid-i-Azam University, Islamabad, Pakistan
| | - Muhammad Abdul Basit
- Department of Materials Science and Engineering, Institute of Space Technology, Islamabad, Pakistan
| | - Jin-Ki Kim
- College of Pharmacy, Institute of Pharmaceutical Science and Technology Hanyang University, Ansan, Gyeonggi, Republic of Korea
| | - Alam Zeb
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
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31
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Cruz-Angeles J, Videa M, Martínez LM. Highly Soluble Glimepiride and Irbesartan Co-amorphous Formulation with Potential Application in Combination Therapy. AAPS PharmSciTech 2019; 20:144. [PMID: 30887140 DOI: 10.1208/s12249-019-1359-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 03/03/2019] [Indexed: 11/30/2022] Open
Abstract
One-third of the population of the USA suffers from metabolic syndrome (MetS). Treatment of patients with MetS regularly includes drugs prescribed simultaneously to treat diabetes and cardiovascular diseases. Therefore, the development of novel multidrug formulations is recommended. However, the main problem with these drugs is their low solubility. The use of binary co-amorphous systems emerges as a promising strategy to increase drug solubility. In the present study, irbesartan (IBS) and glimepiride (GMP), class II active pharmaceutical ingredients (API), widely used in the treatment of arterial hypertension and diabetes, were selected to develop a novel binary co-amorphous system with remarkable enhancement in the dissolution of both APIs. The phase diagram of IBS-GMP was constructed and co-amorphous systems were prepared by melt-quench, in a wide range of compositions. Dissolution profile (studied at pH 1.2 and 37°C for mole fractions 0.01, 0.1, and 0.5) demonstrated that the xGMP = 0.01 formulation presents the highest enhancement in its dissolution. GMP went from being practically insoluble to reach 3.9 ± 0.9 μg/mL, and IBS showed a 12-fold increment with respect to the dissolution of its crystalline form. Infrared studies showed that the increase in the dissolution profile is related to the intermolecular interactions (hydrogen bonds), which were dependent of composition. Results of structural and thermal characterization performed by XRD and DSC showed that samples have remained in amorphous state for more than 10 months of storage. This work contributes to the development of a highly soluble co-amorphous drugs with potential used in the treatment of MetS.
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32
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Newman A, Zografi G. An Examination of Water Vapor Sorption by Multicomponent Crystalline and Amorphous Solids and Its Effects on Their Solid-State Properties. J Pharm Sci 2019; 108:1061-1080. [DOI: 10.1016/j.xphs.2018.10.038] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 10/23/2018] [Accepted: 10/24/2018] [Indexed: 10/28/2022]
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33
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Shi Q, Moinuddin SM, Cai T. Advances in coamorphous drug delivery systems. Acta Pharm Sin B 2019; 9:19-35. [PMID: 30766775 PMCID: PMC6361732 DOI: 10.1016/j.apsb.2018.08.002] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 08/11/2018] [Accepted: 08/12/2018] [Indexed: 01/18/2023] Open
Abstract
In recent years, the coamorphous drug delivery system has been established as a promising formulation approach for delivering poorly water-soluble drugs. The coamorphous solid is a single-phase system containing an active pharmaceutical ingredient (API) and other low molecular weight molecules that might be pharmacologically relevant APIs or excipients. These formulations exhibit considerable advantages over neat crystalline or amorphous material, including improved physical stability, dissolution profiles, and potentially enhanced therapeutic efficacy. This review provides a comprehensive overview of coamorphous drug delivery systems from the perspectives of preparation, physicochemical characteristics, physical stability, in vitro and in vivo performance. Furthermore, the challenges and strategies in developing robust coamorphous drug products of high quality and performance are briefly discussed.
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Key Words
- API, active pharmaceutical ingredient;
- AUC, area under plasma concentrations-time curve
- BCS, bio-pharmaceutics classification systems
- Bioavailability
- Characterization
- Cmax, maximum plasma concentration
- Coamorphous
- Css, plasma concentration at steady state
- DSC, differential scanning calorimetry
- DVS, dynamic vapor sorption
- Dc, relative degree of crystallization
- Dissolution
- FT-IR, fourier transform infrared spectroscopy
- HME, hot melt extrusion
- HPLC, high performance liquid chromatography
- IDR, intrinsic dissolution rate
- LFRS, low-frequency Raman spectroscopy
- LLPS, liquid—liquid phase separation
- MTDSC, modulated temperature differential scanning calorimetry
- NMR, nuclear magnetic resonance
- P-gp, P-glycoprotein
- PXRD, powder X-ray diffraction
- Physical stability
- Preparation
- RH, relative humidity
- SEM, scanning electron microscope
- TGA, thermogravimetric analysis
- Tg, glass transition temperature
- Tmax, time of maximum plasma concentration
- UV, ultraviolet spectroscopy
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Affiliation(s)
| | | | - Ting Cai
- Corresponding author. Tel.: +86 25 83271123.
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34
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Zhang M, Xiong X, Suo Z, Hou Q, Gan N, Tang P, Ding X, Li H. Co-amorphous palbociclib–organic acid systems with increased dissolution rate, enhanced physical stability and equivalent biosafety. RSC Adv 2019; 9:3946-3955. [PMID: 35518078 PMCID: PMC9060427 DOI: 10.1039/c8ra09710k] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 01/23/2019] [Indexed: 12/31/2022] Open
Abstract
The preparation of co-amorphous drug systems by adding a small molecular excipient is a promising formulation in the modern pharmaceutical industry to improve the solubility, dissolution rate, and bioavailability of poorly soluble drugs. In this study, palbociclib co-amorphous systems with organic acids (succinic, tartaric, citric, and malic acid) at molar ratios of 1 : 1 were prepared by co-milling and characterized by differential scanning calorimetry (DSC), fourier transform infrared spectroscopy (FTIR) and solid-state nuclear magnetic resonance (SS-NMR). These solid-state investigations have confirmed the formation of co-amorphous salts between PAL and organic acids. The solubility, dissolution rate and stability of the four co-amorphous drug systems were significantly improved compared with these of crystalline and amorphous palbociclib. The biosafety of the co-amorphous drug systems was the same as that of palbociclib without affecting the efficacy of the drug and eliciting toxic side effects. These comprehensive approaches for the palbociclib–acid co-amorphous drug systems provided a theoretical basis for its clinical applications. The study of co-amorphous systems presented a safe and effective formulation technology for the development of new palbociclib solid forms with great dissolution rates, good physical stability, and high bioavailability.![]()
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Affiliation(s)
- Man Zhang
- School of Chemical Engineering
- Sichuan University
- Chengdu
- China
| | - Xinnuo Xiong
- School of Chemical Engineering
- Sichuan University
- Chengdu
- China
| | - Zili Suo
- School of Chemical Engineering
- Sichuan University
- Chengdu
- China
| | - Quan Hou
- School of Chemical Engineering
- Sichuan University
- Chengdu
- China
| | - Na Gan
- School of Chemical Engineering
- Sichuan University
- Chengdu
- China
| | - Peixiao Tang
- School of Chemical Engineering
- Sichuan University
- Chengdu
- China
| | - Xiaohui Ding
- School of Chemical Engineering
- Sichuan University
- Chengdu
- China
| | - Hui Li
- School of Chemical Engineering
- Sichuan University
- Chengdu
- China
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35
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Ainurofiq A, Mauludin R, Mudhakir D, Soewandhi SN. Synthesis, characterization, and stability study of desloratadine multicomponent crystal formation. Res Pharm Sci 2018; 13:93-102. [PMID: 29606963 PMCID: PMC5842490 DOI: 10.4103/1735-5362.223775] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
This study describes the formation of multicomponent crystal (MCC) of desloratadine (DES). The objective of this study was to discover the new pharmaceutical MCC of DES using several coformers. The MCC synthesis was performed between DES and 26 coformers using an equimolar ratio with a solvent evaporation technique. The selection of the appropriate solvent was carried out using 12 solvents. The preview of the MCC of DES was performed using polarized light microscopy (PLM). The formation of MCC was confirmed using powder X-ray diffraction (PXRD), differential scanning calorimetry (DSC), fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). The accelerated stability of MCC at 40 °C and relative humidity of 75% was investigated using PXRD and FTIR. Depending on the prior evaluation, DES and benzoic acid (BA) formed the MCC. PLM and SEM results showed that crystal habit of combination between DES and BA differed from the constituent components. Moreover, the diffractogram pattern of DES-BA was distinct from the constituent components. The DSC thermogram showed a new peak which was distinct from both constituent components. The FTIR study proved a new spectrum. All characterizations indicated that a new solid crystal was formed, ensuring the MCC formation. In addition, DES-BA MCC had both chemical and physical stabilities for a period of 4 months.
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Affiliation(s)
- Ahmad Ainurofiq
- School of Pharmacy, Bandung Institute of Technology, Ganesha 10, Bandung, 40132, Indonesia.,Department of Pharmacy, Sebelas Maret University, Ir. Sutami 36A, Surakarta, 57126, Indonesia
| | - Rachmat Mauludin
- School of Pharmacy, Bandung Institute of Technology, Ganesha 10, Bandung, 40132, Indonesia
| | - Diky Mudhakir
- School of Pharmacy, Bandung Institute of Technology, Ganesha 10, Bandung, 40132, Indonesia
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36
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Laitinen R, Löbmann K, Grohganz H, Priemel P, Strachan CJ, Rades T. Supersaturating drug delivery systems: The potential of co-amorphous drug formulations. Int J Pharm 2017; 532:1-12. [DOI: 10.1016/j.ijpharm.2017.08.123] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Revised: 08/24/2017] [Accepted: 08/31/2017] [Indexed: 11/16/2022]
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37
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Viel Q, Delbreilh L, Coquerel G, Petit S, Dargent E. Molecular Mobility of an Amorphous Chiral Pharmaceutical Compound: Impact of Chirality and Chemical Purity. J Phys Chem B 2017; 121:7729-7740. [DOI: 10.1021/acs.jpcb.7b05667] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Quentin Viel
- INSA Rouen, CNRS, Groupe de Physique des Matériaux, and ‡Sciences et
Méthodes Séparatives, Normandie Univ, UNIROUEN Normandie, 76000 Rouen, France
| | - Laurent Delbreilh
- INSA Rouen, CNRS, Groupe de Physique des Matériaux, and ‡Sciences et
Méthodes Séparatives, Normandie Univ, UNIROUEN Normandie, 76000 Rouen, France
| | - Gérard Coquerel
- INSA Rouen, CNRS, Groupe de Physique des Matériaux, and ‡Sciences et
Méthodes Séparatives, Normandie Univ, UNIROUEN Normandie, 76000 Rouen, France
| | - Samuel Petit
- INSA Rouen, CNRS, Groupe de Physique des Matériaux, and ‡Sciences et
Méthodes Séparatives, Normandie Univ, UNIROUEN Normandie, 76000 Rouen, France
| | - Eric Dargent
- INSA Rouen, CNRS, Groupe de Physique des Matériaux, and ‡Sciences et
Méthodes Séparatives, Normandie Univ, UNIROUEN Normandie, 76000 Rouen, France
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