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Yao Y, Ma L, Yu C, Cheng C, Gao H, Wei T, Li L, Wang Z, Liu W, Deng Z, Zou L, Luo T. The improvement of tyrosol bioavailability by encapsulation into liposomes using pH-driven method. Food Chem 2024; 445:138661. [PMID: 38350195 DOI: 10.1016/j.foodchem.2024.138661] [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: 08/25/2023] [Revised: 12/17/2023] [Accepted: 01/31/2024] [Indexed: 02/15/2024]
Abstract
To improve the poor water solubility and oral bioavailability of tyrosol, novel tyrosol liposomes (Tyr-LPs) were prepared by pH-driven method. Fourier transform infrared (FTIR) absorption spectra and X-ray diffraction (XRD) analysis indicated that Tyr-LPs were successfully encapsulated and tyrosol was in an amorphous state in liposomes. When tyrosol content in Tyr-LP was 1.33 mg/ml and the Tyr:LP (mass ratio) = 1:2, favorable dispersibility of Tyr-LP was exhibited, with an instability index of 0.049 ± 0.004, PDI of 0.274 ± 0.003, and the EE of 94.8 ± 2.5 %. In vivo pharmacokinetic studies showed that after oral administration of tyrosol or Tyr-LP (Tyr:LP = 1:2), concentration-versus-time curve (AUC0-720mins) and maximum concentration (Cmax) values of Tyr-LP was respectively 1.5-fold (P < 0.01) and 2.25-fold (P < 0.01) higher than tyrosol, which indicated that the oral bioavailability of tyrosol was effectively improved in Tyr-LPs. Our study thereby provides theoretical support for the application of Tyr-LP for optimal delivery of tryosol.
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Affiliation(s)
- Yexuan Yao
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, Jiangxi, China
| | - Li Ma
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, Jiangxi, China
| | - Chengwei Yu
- School of Health, Jiangxi Normal University, Nanchang 330022, China
| | - Ce Cheng
- Shiling Town People's Government, No. 83, Middle Dongsheng Road, Shiling Town, Huadu District, Guangzhou City, China
| | - Hongxia Gao
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, Jiangxi, China
| | - Teng Wei
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, Jiangxi, China
| | - Litong Li
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, Jiangxi, China
| | - Zhiyue Wang
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, Jiangxi, China
| | - Wei Liu
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, Jiangxi, China; International Institute of Food Innovation Co., Ltd., Nanchang University, Luozhu Road, Xiaolan Economic and Technological Development Zone, Nanchang 330200, Jiangxi, China
| | - Zeyuan Deng
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, Jiangxi, China; International Institute of Food Innovation Co., Ltd., Nanchang University, Luozhu Road, Xiaolan Economic and Technological Development Zone, Nanchang 330200, Jiangxi, China
| | - Liqiang Zou
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, Jiangxi, China; International Institute of Food Innovation Co., Ltd., Nanchang University, Luozhu Road, Xiaolan Economic and Technological Development Zone, Nanchang 330200, Jiangxi, China.
| | - Ting Luo
- State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, Jiangxi, China.
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2
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Zhong Z, Lan Y, Chen J, Ping L, Li X, Wang Q, Zhuang X, Qiu Z, Yuan T, Guo Q, Xi L, Li Q, Luo D. Optimizing Paclitaxel Oral Absorption and Bioavailability: TPGS Co-Coating via Supercritical Anti-Solvent Fluidized Bed Technology. Pharmaceuticals (Basel) 2024; 17:412. [PMID: 38675374 PMCID: PMC11054146 DOI: 10.3390/ph17040412] [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: 03/07/2024] [Revised: 03/19/2024] [Accepted: 03/21/2024] [Indexed: 04/28/2024] Open
Abstract
Supercritical anti-solvent fluidized bed (SAS-FB) coating technology has the advantages of reducing particle size, preventing high surface energy particle aggregation, improving the dissolution performance and bioavailability of insoluble drugs. The poor solubility of Biopharmaceutics Classification System (BCS) class IV drugs poses challenges in achieving optimal bioavailability. Numerous anti-cancer drugs including paclitaxel (PTX) belong to the BCS class IV, hindering their therapeutic efficacy. To address this concern, our study explored SAS-FB technology to coat PTX with D-α-tocopherol polyethylene glycol 1000 succinate (TPGS) onto lactose. Under our optimized conditions, we achieved a PTX coating efficiency of 96.8%. Further characterization confirmed the crystalline state of PTX in the lactose surface coating by scanning electron microscopy and X-ray powder diffraction. Dissolution studies indicated that SAS-FB processed samples release over 95% of the drug within 1 min. Moreover, cell transmembrane transport assays demonstrated that SAS-FB processed PTX samples co-coated with TPGS had an enhanced PTX internalization into cells and a higher permeability coefficient compared to those without TPGS. Finally, compared to unprocessed PTX, SAS-FB (TPGS) and SAS-FB processed samples showed a 2.66- and 1.49-fold increase in oral bioavailability in vivo, respectively. Our study highlights the efficacy of SAS-FB co-coating for PTX and TPGS as a promising strategy to overcome bioavailability challenges inherent in BCS class IV drugs. Our approach holds broader implications for enhancing the performance of similarly classified medications.
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Affiliation(s)
- Zicheng Zhong
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, 232 University City Ring Road East, Panyu District, Guangzhou 510006, China; (Z.Z.); (Y.L.); (J.C.); (X.L.); (Q.W.); (L.X.)
| | - Yanling Lan
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, 232 University City Ring Road East, Panyu District, Guangzhou 510006, China; (Z.Z.); (Y.L.); (J.C.); (X.L.); (Q.W.); (L.X.)
| | - Jinxing Chen
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, 232 University City Ring Road East, Panyu District, Guangzhou 510006, China; (Z.Z.); (Y.L.); (J.C.); (X.L.); (Q.W.); (L.X.)
- The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510378, China
| | - Lu Ping
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, China; (L.P.); (Z.Q.); (T.Y.)
| | - Xuchun Li
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, 232 University City Ring Road East, Panyu District, Guangzhou 510006, China; (Z.Z.); (Y.L.); (J.C.); (X.L.); (Q.W.); (L.X.)
| | - Qing Wang
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, 232 University City Ring Road East, Panyu District, Guangzhou 510006, China; (Z.Z.); (Y.L.); (J.C.); (X.L.); (Q.W.); (L.X.)
| | - Xiaodong Zhuang
- Division of Infection and Immunity, University College London, London OX3 7FZ, UK;
| | - Zhenwen Qiu
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, China; (L.P.); (Z.Q.); (T.Y.)
| | - Tianhui Yuan
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, China; (L.P.); (Z.Q.); (T.Y.)
| | - Qiupin Guo
- Drug Non-Clinical Evaluation and Research Center of Guangzhou General Pharmaceutical Research Institute, Guangzhou 510240, China;
| | - Long Xi
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, 232 University City Ring Road East, Panyu District, Guangzhou 510006, China; (Z.Z.); (Y.L.); (J.C.); (X.L.); (Q.W.); (L.X.)
| | - Qingguo Li
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, 232 University City Ring Road East, Panyu District, Guangzhou 510006, China; (Z.Z.); (Y.L.); (J.C.); (X.L.); (Q.W.); (L.X.)
| | - Dandong Luo
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, China; (L.P.); (Z.Q.); (T.Y.)
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3
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Luo S, Fu Y, Ye J, Liu C. Encapsulation of rutin in protein nanoparticles by pH-driven method: impact of rutin solubility and mechanisms. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:1804-1812. [PMID: 37867464 DOI: 10.1002/jsfa.13068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 10/17/2023] [Accepted: 10/23/2023] [Indexed: 10/24/2023]
Abstract
BACKGROUND The use of rutin in the food industry is limited by its poor solubility. Encapsulation can be used as an effective way to improve polyphenol solubility. Proteins with high safety, biocompatibility and multiple binding sites are known as the most promising encapsulating carriers. Therefore, the improvement of rutin solubility by pH-driven encapsulation of rutin in soy protein isolate (SPI) nanoparticles, as well as the form of rutin after encapsulation and rutin-protein binding index were investigated. RESULTS SPI had a high encapsulation efficiency (87.5%) and loading amount (10.6%) for rutin. When the mass ratio of protein to rutin was 5:1, the highest concentration of rutin in solution was 3.27 g L-1 , which was a 51.57-fold increase compared to the original rutin. At this situation, rutin transformed from crystalline to amorphous form. During the formation of nanoparticles, SPI was in a dynamic change of unfolding and refolding. Rutin deprotonated in alkaline conditions increasing its solubility and bound to protein to form nanoparticles during the process of returning to neutral. Hydrophobic interactions and hydrogen bonding promoted the formation of the nanoparticles and there were at least 1-2 binding sites between rutin and each SPI molecule. CONCLUSION The results suggested that encapsulation of rutin in protein nanoparticles can effectively increase the solubility of rutin. This study may provide important information for the effective utilization of polyphenol functional foods. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Shunjing Luo
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
| | - Yuteng Fu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
| | - Jiangping Ye
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
| | - Chengmei Liu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
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Wang H, Zhao P, Ma R, Jia J, Fu Q. Drug-drug co-amorphous systems: An emerging formulation strategy for poorly water-soluble drugs. Drug Discov Today 2024; 29:103883. [PMID: 38219970 DOI: 10.1016/j.drudis.2024.103883] [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: 10/24/2023] [Revised: 12/21/2023] [Accepted: 01/09/2024] [Indexed: 01/16/2024]
Abstract
Overcoming the poor water solubility of small-molecule drugs is a major challenge in the development of clinical pharmaceuticals. Amorphization of crystalline drugs is a highly effective strategy to improve their aqueous solubility. However, amorphous drugs are thermodynamically unstable and likely to crystallize during manufacturing and storage. Recently, drug-drug co-amorphous systems have emerged as a novel strategy to not only enable enhanced dissolution and physical stability of the individual drugs within the system but also to provide a strategy for combination therapy of the same or different clinical indications. This review serves to highlight advances in the methods used to manufacture and characterize drug-drug co-amorphous systems, summarize drug-drug co-amorphous applications reported in recent decades, and provide an outlook on future possibilities and perspectives.
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Affiliation(s)
- Hongge Wang
- Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Peixu Zhao
- Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Ruilong Ma
- Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Jirun Jia
- School of Pharmacy, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Qiang Fu
- Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China.
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5
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Roche A, Sanchez-Ballester NM, Bataille B, Delannoy V, Soulairol I. Fused Deposition Modelling 3D printing and solubility improvement of BCS II and IV active ingredients - A narrative review. J Control Release 2024; 365:507-520. [PMID: 38036003 DOI: 10.1016/j.jconrel.2023.11.041] [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: 07/24/2023] [Revised: 11/10/2023] [Accepted: 11/21/2023] [Indexed: 12/02/2023]
Abstract
In the field of pharmaceutical research and development, Fused Deposition Modelling (FDM) 3D printing (3DP) has aroused growing interest within the last ten years. The use of thermoplastic polymers, combined with the melting process of the raw materials, offers the possibility of manufacturing amorphous solid dispersions (ASDs). In the pharmaceutical industry, the formulation of an ASD is a widely used strategy to improve the solubility of poorly soluble drugs (classified by the Biopharmaceutical Classification System (BCS) as class II and IV). In this review, an analysis of studies that have developed a FDM printed form containing a BCS class II or IV active substance was performed. The focus has been placed on the evaluation of the solid state of the active molecules (crystalline or amorphous) and on the study of their dissolution profile. Thus, the aim of this work is to highlight the interest of FDM 3DP to induce the amorphisation phenomenon of Class II and IV active substances by forming an ASD, and as result improving their solubility.
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Affiliation(s)
- Agnès Roche
- ICGM, Montpellier University, CNRS, ENSCM, Montpellier, France; Department of Pharmacy, Nîmes University Hospital, Nîmes, France
| | - Noelia M Sanchez-Ballester
- ICGM, Montpellier University, CNRS, ENSCM, Montpellier, France; Department of Pharmacy, Nîmes University Hospital, Nîmes, France.
| | - Bernard Bataille
- Department of Pharmacy, Nîmes University Hospital, Nîmes, France
| | - Violaine Delannoy
- ICGM, Montpellier University, CNRS, ENSCM, Montpellier, France; Department of Pharmacy, Nîmes University Hospital, Nîmes, France
| | - Ian Soulairol
- ICGM, Montpellier University, CNRS, ENSCM, Montpellier, France; Department of Pharmacy, Nîmes University Hospital, Nîmes, France.
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6
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Kapoor DU, Singh S, Sharma P, Prajapati BG. Amorphization of Low Soluble Drug with Amino Acids to Improve Its Therapeutic Efficacy: a State-of-Art-Review. AAPS PharmSciTech 2023; 24:253. [PMID: 38062314 DOI: 10.1208/s12249-023-02709-2] [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: 05/20/2023] [Accepted: 11/19/2023] [Indexed: 12/18/2023] Open
Abstract
Low aqueous solubility of drug candidates is an ongoing challenge and pharmaceutical manufacturers pay close attention to amorphization (AMORP) technology to improve the solubility of drugs that dissolve poorly. Amorphous drug typically exhibits much higher apparent solubility than their crystalline form due to high energy state that enable them to produce a supersaturated state in the gastrointestinal tract and thereby improve bioavailability. The stability and augmented solubility in co-amorphous (COA) formulations is influenced by molecular interactions. COA are excellent carriers-based drug delivery systems for biopharmaceutical classification system (BCS) class II and class IV drugs. The three important critical quality attributes, such as co-formability, physical stability, and dissolution performance, are necessary to illustrate the COA systems. New amorphous-stabilized carriers-based fabrication techniques that improve drug loading and degree of AMORP have been the focus of emerging AMORP technology. Numerous low-molecular-weight compounds, particularly amino acids such as glutamic acid, arginine, isoleucine, leucine, valine, alanine, glycine, etc., have been employed as potential co-formers. The review focus on the prevailing drug AMORP strategies used in pharmaceutical research, including in situ AMORP, COA systems, and mesoporous particle-based methods. Moreover, brief characterization techniques and the application of the different amino acids in stabilization and solubility improvements have been related.
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Affiliation(s)
| | - Sudarshan Singh
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand.
- Office of Research Administration, Faculty of Pharmacy, Chiang Mai University, 50200, Chiang Mai, Thailand.
| | - Pratishtha Sharma
- School of Pharmacy, Raffles University, Neemrana, Rajasthan, 301020, India
| | - Bhupendra G Prajapati
- Shree S. K. Patel College of Pharmaceutical Education and Research, Ganpat University, Kherva, 384012, India.
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Zhang W, Jia W, Weitz BW, Ma F, Chen Y, Chiang PC, Hou HH, Nagapudi K. Comparative Evaluation of Particle Size Reduction, Salt Formation, and Amorphous Formulation on the Biopharmaceutical Performance of a Weak Base Drug Candidate. Mol Pharm 2023; 20:5888-5900. [PMID: 37792707 DOI: 10.1021/acs.molpharmaceut.3c00727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/06/2023]
Abstract
Various approaches have been developed to enhance the solubility or dissolution rate for the delivery of poorly water-soluble molecules. In this work, guided by an in silico solubility sensitivity analysis for oral absorption, a comparative assessment of the biopharmaceutical performance of a jet-milled free base, a tosylate salt, and a 50:50 (w/w) amorphous solid dispersion (ASD) with hydroxypropyl methylcellulose acetate succinate (HPMCAS) of a weak base drug candidate, GDC-3280, was conducted. Successful particle size reduction without amorphization or form change was confirmed for the jet-milled free base. The potential of solubility enhancement and desupersaturation risk were identified for tosylate salt and ASD formulation by measurements of tosylate salt solubility product constant (Ksp) and amorphous solubility of GDC-3280. In vitro dissolution testing demonstrated dissolution rate improvement for the jet-milled free base when compared with the unmilled free base and confirmed solubility enhancement followed by desupersaturation for GDC-3280 tosylate salt and ASD formulation. A crystallization inhibitor, hydroxypropyl methylcellulose (HPMC), was found to slow down the desupersaturation of tosylate salt solution, providing general insights for the development of pharmaceutical salts with disproportionation risks. Finally, a pharmacokinetic study in dogs showed that the in vivo exposure increased by 1.7- to 2-fold for the tosylate salt and ASD formulation compared with the jet-milled free base, consistent with the in silico solubility sensitivity analysis for the fraction of drug absorbed. Overall, this work provides insights into the evaluation of multiple formulation approaches for enhancing the biopharmaceutical performance of poorly water-soluble drugs.
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8
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Gugu TH, Eze CO, Kenechukwu FC, Khumaini Mudhar Bintang MA, Patil SB, Basarkar GD, Attama AA, Ibezim EC, Upasani CD, Srichana T. Mechanistic insight into the bioactivity of prodigiosin-entrapped lipid nanoparticles against triple-negative breast, lung and colon cancer cell lines. Heliyon 2023; 9:e16963. [PMID: 37484262 PMCID: PMC10361034 DOI: 10.1016/j.heliyon.2023.e16963] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 06/02/2023] [Accepted: 06/02/2023] [Indexed: 07/25/2023] Open
Abstract
This research investigates the potentials of prodigiosin(PG) derived from bacteria and its formulations against triple-negative breast (TNB), lung, and colon cancer cells. The PG was extracted from S. marcescens using continuous batch culture, characterized, and formulated into lyophilized parenteral nanoparticles (PNPs). The formulations were characterized with respect to entrapment efficiency (EE), DSC, FT-IR, TEM, and proton nuclear magnetic resonance (1H NMR) spectroscopy. In vitro drug release was evaluated in phosphate buffer (pH 7.4) while acute toxicity, hematological and histopathological studies were performed on rats. The in vitro cytotoxicity was evaluated against TNB (MCF-7), lung (A-549), and colon (HT-29) cancer cell lines. High EE (92.3 ± 12%) and drug release of up to 89.4% within 8 h were obtained. DSC thermograms of PG and PG-PNPs showed endothermic peaks indicating amorphous nature. The FT-IR spectrum of PG-PNPs revealed remarkable peaks of pure PG, indicating no strong chemical interaction between the drug and excipients. The TEM micrograph of the PG-PNPs showed nano-sized formulations (20-30 nm) whose particles were mostly lamellar and hexagonal structures. The 1H NMR result revealed the chemical structure of PG showing all assigned proton chemical shifts. Toxicity results of the PG and its formulation up to a concentration of 5000 mg/kg showed insignificant vacuolar changes of hepatocytes in the liver, with normal renal medulla and cortex in the kidney. The PG and PG-PNPs inhibited the growth of breast, lung, and colon cell lines. The nano-sized lipid formulation (PG-PNPs) showed potential in PG delivery and cancer treatments.
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Affiliation(s)
- Thaddeus H. Gugu
- Department of Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka. Enugu State, Nigeria
- Drug Delivery System Excellence Center, Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand
| | - Christopher O. Eze
- Department of Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka. Enugu State, Nigeria
| | - Franklin C. Kenechukwu
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka. Enugu State, Nigeria
| | - Muhammd A. Khumaini Mudhar Bintang
- Drug Delivery System Excellence Center, Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand
| | - Sanjay B. Patil
- Department of Pharmaceutics, SNJB’s Shriman Sureshdada Jain College of Pharmacy, Chandwad, Savitribai Phule Pune University, Pune. (MS), India
| | - Ganesh D. Basarkar
- Department of Pharmaceutics, SNJB’s Shriman Sureshdada Jain College of Pharmacy, Chandwad, Savitribai Phule Pune University, Pune. (MS), India
| | - Anthony A. Attama
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka. Enugu State, Nigeria
| | - Emmanuel C. Ibezim
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka. Enugu State, Nigeria
| | - Chandrashekhar D. Upasani
- Department of Pharmacology and Toxicology, SNJB’s Shriman Sureshdada Jain College of Pharmacy, Chandwad, Savitribai Phule Pune University, Pune. (MS), India
| | - Teerapol Srichana
- Drug Delivery System Excellence Center, Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand
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Nyamba I, Jennotte O, Sombie CB, Lechanteur A, Sacre PY, Djande A, Semde R, Evrard B. Preformulation study for the selection of a suitable polymer for the development of ellagic acid-based solid dispersion using hot-melt extrusion. Int J Pharm 2023:123088. [PMID: 37257795 DOI: 10.1016/j.ijpharm.2023.123088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 05/22/2023] [Accepted: 05/25/2023] [Indexed: 06/02/2023]
Abstract
Ellagic acid is one of the most studied polyphenolic compounds due to its numerous promising therapeutic properties. However, this therapeutic potential remains difficult to exploit owing to its low solubility and low permeability, resulting in low oral bioavailability. In order to allow an effective therapeutic application of EA, it is therefore necessary to develop strategies that sufficiently enhance its solubility, dissolution rate and bioavailability. For this purpose, solid dispersions based on pre-selected polymers such as Eudragit® EPO, Soluplus® and Kollidon® VA 64, with 5% w/w ellagic acid loading were prepared by hot extrusion and characterized by X-ray diffraction, FTIR spectroscopy and in vitro dissolution tests in order to select the most suitable polymer for future investigations. The results showed that Eudragit® EPO was the most promising polymer for ellagic acid solid dispersions development because its extrudates allowed to obtain a solution supersaturated in ellagic acid that was stable for at least 90 min. Moreover, the resulting apparent solubility was 20 times higher than the actual solubility of ellagic acid. The extrudates also showed a high dissolution rate of ellagic acid (96.25% in 15 min), compared to the corresponding physical mixture (6.52% in 15 min) or the pure drug (1.56% in 15 min). Furthermore, increasing the loading rate of ellagic acid up to 12% in extrudates based on this polymer did not negatively influence its release profile through dissolution tests.
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Affiliation(s)
- Isaïe Nyamba
- Laboratory of Pharmaceutical Technology and Biopharmacy, Center for Interdisciplinary Research on Medicines (CIRM), Université de Liège, 4000 Liège (Belgium); Laboratory of Drug Development, Center of training, research and expertise in pharmaceutical sciences (CFOREM), Doctoral School of Sciences and Health, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03 (Burkina Faso).
| | - Olivier Jennotte
- Laboratory of Pharmaceutical Technology and Biopharmacy, Center for Interdisciplinary Research on Medicines (CIRM), Université de Liège, 4000 Liège (Belgium)
| | - Charles B Sombie
- Laboratory of Drug Development, Center of training, research and expertise in pharmaceutical sciences (CFOREM), Doctoral School of Sciences and Health, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03 (Burkina Faso)
| | - Anna Lechanteur
- Laboratory of Pharmaceutical Technology and Biopharmacy, Center for Interdisciplinary Research on Medicines (CIRM), Université de Liège, 4000 Liège (Belgium)
| | - Pierre-Yves Sacre
- Laboratory of Pharmaceutical Analytical Chemistry, Department of Pharmacy, Center for Interdisciplinary Research on Medicines (CIRM), University of Liege, 4000 Liege, Belgium
| | - Abdoulaye Djande
- Department of Chemistry, Laboratory of Molecular Chemistry and Materials, Research Team: Organic Chemistry and Phytochemistry, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03 (Burkina Faso)
| | - Rasmané Semde
- Laboratory of Drug Development, Center of training, research and expertise in pharmaceutical sciences (CFOREM), Doctoral School of Sciences and Health, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03 (Burkina Faso)
| | - Brigitte Evrard
- Laboratory of Pharmaceutical Technology and Biopharmacy, Center for Interdisciplinary Research on Medicines (CIRM), Université de Liège, 4000 Liège (Belgium)
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Xie X, Jin X, Huang J, Yi J, Li X, Huang Z, Lin Q, Guo B. High resveratrol-loaded microcapsules with trehalose and OSA starch as the wall materials: Fabrication, characterization, and evaluation. Int J Biol Macromol 2023; 242:124825. [PMID: 37196714 DOI: 10.1016/j.ijbiomac.2023.124825] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 04/24/2023] [Accepted: 05/08/2023] [Indexed: 05/19/2023]
Abstract
To improve the solubility and stability of resveratrol (Res), Res nanocrystals (Res-ncs) as the capsule core were prepared by wet milling using hydroxypropyl methyl cellulose (HPMCE5), sodium dodecyl sulfate (SDS), and polyvinylpyrrolidone (PVPK30) as stabilizers, along with trehalose and octenyl succinic anhydride (OSA) modified starch were used as the wall material to produce Res microcapsules (Res-mcs) via spray drying. The fresh-prepared Res-ncs and rehydrated Res-mcs had mean particle sizes of 190.30 ± 3.43 and 204.70 ± 3.60 nm, zeta potentials of -13.90 ± 0.28 and - 11.20 ± 0.34 mV, and the loading capacities (LC) were as high as 73.03 % and 28.83 %. Particle morphology showed that Res-mcs had more regular and smooth spherical structures. FTIR indicated that Res may have hydrogen bonding with the walls. XRD and DSC exhibited that Res in nanocrystals and microcapsules existed mostly as amorphous structures. The solubility of Res-mcs and Res-ncs was increased, with excellent redispersibility and rapid dissolution of Res in vitro. The antioxidant properties of Res-mcs were protected and improved. With the walls acting as a physical barrier, Res-mcs have better photothermal stability than raw Res. Res-mcs have a relative bioavailability of 171.25 %, which is higher than that of raw Res.
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Affiliation(s)
- Xiaodong Xie
- Department of Pharmaceutics, School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Xiaowei Jin
- Department of Pharmaceutics, School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Jingjun Huang
- Department of Pharmaceutics, School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Jun Yi
- Department of Pharmaceutics, School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Xiaofang Li
- Department of Pharmaceutics, School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Zhigang Huang
- Huizhou Jiuhui Pharmaceutical Co., Ltd, Huizhou 516001, China
| | - Qiuxiao Lin
- Department of Pharmacy, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China
| | - Bohong Guo
- Department of Pharmaceutics, School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China.
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11
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Yeo S, Lee TH, Kim MJ, Shim YK, Yoon I, Song YK, Lee WK. Improved anticancer efficacy of methyl pyropheophorbide-a-incorporated solid lipid nanoparticles in photodynamic therapy. Sci Rep 2023; 13:7391. [PMID: 37149617 PMCID: PMC10164167 DOI: 10.1038/s41598-023-34265-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 04/26/2023] [Indexed: 05/08/2023] Open
Abstract
Photodynamic therapy (PDT) is a promising anticancer treatment because it is patient-friendly and non-invasive. Methyl pyropheophorbide-a (MPPa), one of the chlorin class photosensitizers, is a drug with poor aqueous solubility. The purpose of this study was to synthesize MPPa and develop MPPa-loaded solid lipid nanoparticles (SLNs) with improved solubility and PDT efficacy. The synthesized MPPa was confirmed 1H nuclear magnetic resonance (1H-NMR) spectroscopy and UV-Vis spectroscopy. MPPa was encapsulated in SLN via a hot homogenization with sonication. Particle characterization was performed using particle size and zeta potential measurements. The pharmacological effect of MPPa was evaluated using the 1,3-diphenylisobenzofuran (DPBF) assay and anti-cancer effect against HeLa and A549 cell lines. The particle size and zeta potential ranged from 231.37 to 424.07 nm and - 17.37 to - 24.20 mV, respectively. MPPa showed sustained release from MPPa-loaded SLNs. All formulations improved the photostability of MPPa. The DPBF assay showed that SLNs enhanced the 1O2 generation from MPPa. In the photocytotoxicity analysis, MPPa-loaded SLNs demonstrated cytotoxicity upon photoirradiation but not in the dark. The PDT efficacy of MPPa improved following its entrapment in SLNs. This observation suggests that MPPa-loaded SLNs are suitable for the enhanced permeability and retention effect. Together, these results demonstrate that the developed MPPa-loaded SLNs are promising candidates for cancer treatment using PDT.
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Grants
- No.5199991614715 Fostering Outstanding Universities for Research
- NRF-2020R1I1A1A01060632 National Research Foundation of Korea
- S3248094 Collabo R&D between Industry, University, and Research Institute funded by Korea Ministry of SMEs and Startups
- S3248094 Collabo R&D between Industry, University, and Research Institute funded by Korea Ministry of SMEs and Startups
- S3248094 Collabo R&D between Industry, University, and Research Institute funded by Korea Ministry of SMEs and Startups
- S3248094 Collabo R&D between Industry, University, and Research Institute funded by Korea Ministry of SMEs and Startups
- S3248094 Collabo R&D between Industry, University, and Research Institute funded by Korea Ministry of SMEs and Startups
- S3248094 Collabo R&D between Industry, University, and Research Institute funded by Korea Ministry of SMEs and Startups
- S3248094 Collabo R&D between Industry, University, and Research Institute funded by Korea Ministry of SMEs and Startups
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Affiliation(s)
- Sooho Yeo
- Center for Nano Manufacturing and Department of Nanoscience and Engineering, Inje University, Gimhae, 50834, South Korea.
- Yonsei Institute of Pharmaceutical Sciences, College of Pharmacy, Yonsei University, Seoul, South Korea.
| | - Tae Heon Lee
- Research Center of Dr. I&B Co., DaeJeon, Republic of Korea
| | - Min Je Kim
- Center for Nano Manufacturing and Department of Nanoscience and Engineering, Inje University, Gimhae, 50834, South Korea
| | - Young Key Shim
- Research Center of Dr. I&B Co., DaeJeon, Republic of Korea
| | - Il Yoon
- Center for Nano Manufacturing and Department of Nanoscience and Engineering, Inje University, Gimhae, 50834, South Korea
| | - Young Kyu Song
- Research Center of Dr. I&B Co., DaeJeon, Republic of Korea.
| | - Woo Kyoung Lee
- Center for Nano Manufacturing and Department of Nanoscience and Engineering, Inje University, Gimhae, 50834, South Korea.
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12
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Bennett M, Beveniou E, Kerr AR, Dragosavac MM. Antisolvent Crystallization of Telmisartan Using Stainless-Steel Micromixing Membrane Contactors. CRYSTAL GROWTH & DESIGN 2023; 23:3720-3730. [PMID: 37159651 PMCID: PMC10161197 DOI: 10.1021/acs.cgd.3c00123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/30/2023] [Indexed: 05/11/2023]
Abstract
Controlled continuous crystallization of the active pharmaceutical ingredient (API) telmisartan (TEL) has been conducted from TEL/DMSO solutions by antisolvent crystallization in deionized water using membrane micromixing contactors. The purpose of this work was to test stainless-steel membranes with ordered 10 μm pores spaced at 200 μm in a stirred-cell (batch, LDC-1) and crossflow (continuous, AXF-1) system for TEL formation. By controlling the feed flow rate of the API and solvent, through the membrane pores as well as the antisolvent flow, it was possible to tightly control the micromixing and with that to control the crystal nucleation and growth. Batch crystallization without the membrane resulted in an inhomogeneous crystallization process, giving a mixture of crystalline and amorphous TEL materials. The rate of crystallization was controlled with a higher DMSO content (4:1 DMSO/DI water), resulting in slower crystallization of the TEL material. Both membrane setups, stirred batch and the crossflow, yielded the amorphous TEL particles when deionized water was used, while a crystalline material was produced when a mixture of DI water and DMSO was used.
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Affiliation(s)
| | - Elina Beveniou
- Wilton
Centre, Micropore Technologies Ltd, Redcar TS10 4RF, U.K.
| | - Alex Robin Kerr
- Wilton
Centre, Micropore Technologies Ltd, Redcar TS10 4RF, U.K.
| | - Marijana M. Dragosavac
- Wilton
Centre, Micropore Technologies Ltd, Redcar TS10 4RF, U.K.
- Chemical
Engineering Department, Loughborough University, Leics LE11 3TU, U.K.
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13
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Lemercier A, Cartigny Y, Morice P, Vanbiervliet E, Forcato M, Coquerel G. Spherical Agglomeration of Safinamide Mesylate: A Case Study of a Simultaneous Control of Crystalline Landscape and Micromeritic Properties. Org Process Res Dev 2023. [DOI: 10.1021/acs.oprd.2c00396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
Affiliation(s)
- Aurélien Lemercier
- Univ Rouen Normandie, SMS, UR 3233, F-76000 Rouen, France
- Zach System SA, Z.I. la Croix Cadeau, 49242 Avrillé Cedex, France
| | | | - Pierrick Morice
- Zach System SA, Z.I. la Croix Cadeau, 49242 Avrillé Cedex, France
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14
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Hoffmann L, Breitkreutz J, Quodbach J. Investigation of the degradation and in-situ amorphization of the enantiomeric drug escitalopram oxalate during Fused Deposition Modeling (FDM) 3D printing. Eur J Pharm Sci 2023; 185:106423. [PMID: 36918059 DOI: 10.1016/j.ejps.2023.106423] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 03/03/2023] [Accepted: 03/11/2023] [Indexed: 03/14/2023]
Abstract
Hot-melt extrusion (HME) and subsequent FDM 3D printing offer great potential opportunities in the formulation development and production of customized oral dosage forms with poorly soluble drugs. However, thermal stress within these processes can be challenging for thermo-sensitive drugs. In this work, three different formulations were prepared to investigate the degradation and the solid state of the thermo-sensitive and poorly soluble drug escitalopram oxalate (ESC-OX) during the two heat-intensive processes HME and FDM 3D printing. For this purpose, hydroxypropyl methyl cellulose (HPMC) and basic butylated methacrylate copolymer (bPMMA) were chosen as polymers. DSC and XRD measurements revealed that ESC-OX is amorphous in the HPMC based formulations in both, extrudates and 3D printed tablets. In contrast, in-situ amorphization of the drug from crystalline state in bPMMA filaments was observed during FDM 3D printing. With regard to the content, it was found that degradation of ESC-OX in extrudates with bPMMA could be avoided and in 3D printed tablets almost fully reduced. Furthermore, a possible conversion into the R-enantiomer in the formulation with bPMMA could be excluded using a chiral column. Compared to the commercial product Cipralex®, drug release from extrudates and tablets with bPMMA was slower but still qualified as immediate drug release.
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Affiliation(s)
- Lena Hoffmann
- Institute of Pharmaceutics and Biopharmaceutics, Heinrich Heine University, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Jörg Breitkreutz
- Institute of Pharmaceutics and Biopharmaceutics, Heinrich Heine University, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Julian Quodbach
- Department of Pharmaceutics, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, the Netherlands.
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15
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Kelsall KN, Foroughi LM, Frank DS, Schenck L, LaBuda A, Matzger AJ. Structural Modifications of Polyethylenimine to Control Drug Loading and Release Characteristics of Amorphous Solid Dispersions. Mol Pharm 2023; 20:1779-1787. [PMID: 36719910 DOI: 10.1021/acs.molpharmaceut.2c00970] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Crystalline drugs with low solubility have the potential to benefit from delivery in the amorphous form. The polymers used in amorphous solid dispersions (ASDs) influence their maximum drug loading, solubility, dissolution rate, and physical stability. Herein, the influence of hydrophobicity of crosslinked polyethylenimine (PEI) is investigated for the delivery of the BCS class II nonsteroidal anti-inflammatory drug flufenamic acid (ffa). Several synthetic variables for crosslinking PEI with terephthaloyl chloride were manipulated: solvent, crosslinking density, reactant concentration, solution viscosity, reaction temperature, and molecular weight of the hyperbranched polymer. Benzoyl chloride was employed to cap amine groups to increase the hydrophobicity of the crosslinked materials. Amorphous deprotonated ffa was present in all ASDs; however, the increased hydrophobicity and reduced basicity from benzoyl functionalization led to a combination of amorphous deprotonated ffa and amorphous neutral ffa in the materials at high drug loadings (50 and 60 wt %). All ASDs demonstrated enhanced drug delivery in acidic media compared to crystalline ffa. Physical stability testing showed no evidence of crystallization after 29 weeks under various relative humidity conditions. These findings motivate the broadening of polymer classes employed in ASD formation to include polymers with very high functional group concentrations to enable loadings not readily achieved with existing polymers.
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Affiliation(s)
- Kristen N Kelsall
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States.,Macromolecular Science and Engineering Program, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Leila M Foroughi
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Derek S Frank
- Particle Engineering Lab, Process Research & Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Luke Schenck
- Particle Engineering Lab, Process Research & Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Anthony LaBuda
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Adam J Matzger
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States.,Macromolecular Science and Engineering Program, University of Michigan, Ann Arbor, Michigan 48109, United States
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16
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Sørensen CM, Rantanen J, Grohganz H. Compaction Behavior of Co-Amorphous Systems. Pharmaceutics 2023; 15:pharmaceutics15030858. [PMID: 36986718 PMCID: PMC10056350 DOI: 10.3390/pharmaceutics15030858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/01/2023] [Accepted: 03/04/2023] [Indexed: 03/09/2023] Open
Abstract
Co-amorphous systems have been shown to be a promising strategy to address the poor water solubility of many drug candidates. However, little is known about the effect of downstream processing-induced stress on these systems. The aim of this study is to investigate the compaction properties of co-amorphous materials and their solid-state stability upon compaction. Model systems of co-amorphous materials consisting of carvedilol and the two co-formers aspartic acid and tryptophan were produced via spray drying. The solid state of matter was characterized using XRPD, DSC, and SEM. Co-amorphous tablets were produced with a compaction simulator, using varying amounts of MCC in the range of 24 to 95.5% (w/w) as a filler, and showed high compressibility. Higher contents of co-amorphous material led to an increase in the disintegration time; however, the tensile strength remained rather constant at around 3.8 MPa. No indication of recrystallization of the co-amorphous systems was observed. This study found that co-amorphous systems are able to deform plastically under pressure and form mechanically stable tablets.
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17
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Yusuf H, Meidy Nurintan Savitri O, Primaharinastiti R, Agus Syamsur Rijal M. A lyophilized-surfactant-based rutin formulation with improved physical characteristics and dissolution for oral delivery. Saudi Pharm J 2023. [DOI: 10.1016/j.jsps.2023.03.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023] Open
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18
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Katona MT, Nagy-Katona L, Szabó R, Borbás E, Tonka-Nagy P, Takács-Novák K. Multi-Compartmental Dissolution Method, an Efficient Tool for the Development of Enhanced Bioavailability Formulations Containing Poorly Soluble Acidic Drugs. Pharmaceutics 2023; 15:pharmaceutics15030753. [PMID: 36986614 PMCID: PMC10051608 DOI: 10.3390/pharmaceutics15030753] [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: 01/17/2023] [Revised: 02/10/2023] [Accepted: 02/22/2023] [Indexed: 03/30/2023] Open
Abstract
The purpose of this study was to investigate the applicability of the Gastrointestinal Simulator (GIS), a multi-compartmental dissolution model, to predict the in vivo performance of Biopharmaceutics Classification System (BCS) Class IIa compounds. As the bioavailability enhancement of poorly soluble drugs requires a thorough understanding of the desired formulation, the appropriate in vitro modelling of the absorption mechanism is essential. Four immediate release ibuprofen 200 mg formulations were tested in the GIS using fasted biorelevant media. In addition to the free acid form, ibuprofen was present as sodium and lysine salts in tablets and as a solution in soft-gelatin capsules. In the case of rapid-dissolving formulations, the dissolution results indicated supersaturation in the gastric compartment, which affected the resulting concentrations in the duodenum and the jejunum as well. In addition, a Level A in vitro-in vivo correlation (IVIVC) model was established using published in vivo data, and then the plasma concentration profiles of each formulation were simulated. The predicted pharmacokinetic parameters were consistent with the statistical output of the published clinical study. In conclusion, the GIS method was found to be superior compared to the traditional USP method. In the future, the method can be useful for formulation technologists to find the optimal technique to enhance the bioavailability of poorly soluble acidic drugs.
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Affiliation(s)
- Miklós Tamás Katona
- Department of Pharmaceutical Chemistry, Semmelweis University, 7 Hőgyes Endre Street, H-1092 Budapest, Hungary
- Egis Pharmaceuticals PLC, 116-120 Bökényföldi Street, H-1165 Budapest, Hungary
| | - Lili Nagy-Katona
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 3 Műegyetem rakpart, H-1111 Budapest, Hungary
| | - Réka Szabó
- Egis Pharmaceuticals PLC, 116-120 Bökényföldi Street, H-1165 Budapest, Hungary
| | - Enikő Borbás
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 3 Műegyetem rakpart, H-1111 Budapest, Hungary
| | - Péter Tonka-Nagy
- Egis Pharmaceuticals PLC, 116-120 Bökényföldi Street, H-1165 Budapest, Hungary
| | - Krisztina Takács-Novák
- Department of Pharmaceutical Chemistry, Semmelweis University, 7 Hőgyes Endre Street, H-1092 Budapest, Hungary
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19
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Solomos MA, Punia A, Saboo S, John C, Boyce CW, Chin A, Taggart RV, Smith D, Lamm MS, Schenck L. Evaluating Spray Drying and Co-Precipitation as Manufacturing Processes for Amorphous Solid Dispersions of a Low T g API. J Pharm Sci 2023:S0022-3549(23)00062-X. [PMID: 36822272 DOI: 10.1016/j.xphs.2023.02.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 02/09/2023] [Accepted: 02/09/2023] [Indexed: 02/25/2023]
Abstract
Amorphous solid dispersions feature prominently in the approach to mitigate low bioavailability of poorly water-soluble small molecules, particularly in the early development space focusing on toxicity evaluations and clinical studies in normal healthy volunteers, where high exposures are needed to establish safety margins. Spray drying has been the go-to processing route for a number of reasons, including ubiquitous availability of equipment, the ability to accommodate small scale deliveries, and established processes for delivering single phase amorphous material. Active pharmaceutical ingredients (APIs) with low glass transition temperatures (Tg) can pose challenges to this approach. This study addresses multiple routes towards overcoming issues encountered with a low Tg (∼ 12 °C) API during manufacture of a spray dry intermediate (SDI). Even once formulated as an amorphous solid dispersion (ASD) with HPMCAS-LG, the Tg of the ASD was sufficiently low to require the use of non-ideal solvents, posing safety concerns and ultimately resulting in low yields with frequent process interruptions to resolve product build-up. To resolve challenges with spray drying the HPMCAS-L SDI, higher Tg polymers were assessed during spray drying, and an alternative antisolvent precipitation-based process was evaluated to generate co-precipitated amorphous dispersions (cPAD) with either HPMCAS-L or the additional higher Tg polymers. Both approaches were found to be viable alternatives to achieve single phase ASDs while demonstrating comparable in vitro and in vivo bioperformance compared to the SDI. The results of this effort offer valuable considerations for future early-stage activities for ASDs with low Tg APIs.
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Affiliation(s)
- Marina A Solomos
- Process Research & Development, Merck & Co., Inc., Rahway, NJ, 07033, United States.
| | - Ashish Punia
- Analytical Research & Development, Merck & Co., Inc., Rahway, NJ, 07033, United States
| | - Sugandha Saboo
- Pharmaceutical Sciences, Merck & Co., Inc., Rahway, NJ, 07033, United States
| | - Christopher John
- Formerly at Pharmaceutical Sciences, Merck & Co., Inc., Rahway, NJ 07033, United States; Currently at Discovery Pharmaceutics, Janssen Research and Development, Spring House, PA, 19477, United States
| | - Christopher W Boyce
- Pharmaceutical Sciences, Merck & Co., Inc., Rahway, NJ, 07033, United States
| | - Alexander Chin
- Analytical Research & Development, Merck & Co., Inc., Rahway, NJ, 07033, United States
| | - Robert V Taggart
- Pharmaceutical Sciences, Merck & Co., Inc., Rahway, NJ, 07033, United States
| | - Daniel Smith
- Analytical Research & Development, Merck & Co., Inc., Rahway, NJ, 07033, United States
| | - Matthew S Lamm
- Analytical Research & Development, Merck & Co., Inc., Rahway, NJ, 07033, United States
| | - Luke Schenck
- Process Research & Development, Merck & Co., Inc., Rahway, NJ, 07033, United States
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20
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Muruganantham S, Krishnaswami V, Kandasamy R, Alagarsamy S. Potentiating the solubility of BCS class II drug zaltoprofen using nanodispersion technology. J DISPER SCI TECHNOL 2023. [DOI: 10.1080/01932691.2023.2173224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Selvakumar Muruganantham
- Department of Pharmaceutical Technology, University College of Engineering, Anna University, BIT Campus, Tiruchirappalli, Tamil Nadu, India
| | | | - Ruckmani Kandasamy
- Department of Pharmaceutical Technology, University College of Engineering, Anna University, BIT Campus, Tiruchirappalli, Tamil Nadu, India
| | - Shanmugarathinam Alagarsamy
- Department of Pharmaceutical Technology, University College of Engineering, Anna University, BIT Campus, Tiruchirappalli, Tamil Nadu, India
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21
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Sadeghi F, Kamali H, Kouhestanian S, Hadizadeh F, Nokhodchi A, Afrasiabi Garekani H. Supercritical CO 2 versus water as an antisolvent in the crystallization process to enhance dissolution rate of curcumin. Pharm Dev Technol 2022; 27:999-1008. [PMID: 36322612 DOI: 10.1080/10837450.2022.2143526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Antisolvent crystallization approach using either water (in conventional crystallization process (WAS)), or supercritical CO2 (in supercritical anti-solvent crystallization (SCAS)), was employed in presence of hydroxypropyl methylcellulose (HPMC) to enhance the dissolution of curcumin. The impact of pressure, temperature and depressurization time on the SCAS process was studied using the Box-Behnken design to achieve the highest saturation solubility. A physical mixture of curcumin-HPMC was prepared for comparison purposes. Saturation solubility, scanning electron microscopy, differential scanning calorimetry, X-ray diffraction analysis and Fourier transform infrared spectroscopy were conducted to characterize the solid-state characteristics of the crystallized samples. Dissolution studies helped in ascertaining the effects of the crystallization techniques on the performance of the formulation. Curcumin crystalized by different antisolvent displayed varied shapes, sizes, saturation solubility's and dissolution properties. In SCAS process, the maximum saturation solubility (2.83 µg/mL) was obtained when the pressure, temperature and depressurization time were 275 bars, 55 °C, and 22 min respectively. The SCAS samples showed the highest dissolution (70%) in 30 min compared to WAS (27%), physical mixture (18%) and unprocessed curcumin (16%). The improved dissolution rate of SCAS sample originates from the development of sponge-like particles with augmented porosity, decreased crystallinity as well as increased solubility of curcumin.
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Affiliation(s)
- Fatemeh Sadeghi
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Kamali
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sepideh Kouhestanian
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farzin Hadizadeh
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ali Nokhodchi
- Pharmaceutics Research Laboratory, School of Life Sciences, University of Sussex, Brighton, UK.,Lupin Pharmaceutical Research Center, Coral Springs, Florida, USA
| | - Hadi Afrasiabi Garekani
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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22
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Macedo LDO, Morales IA, Barbosa EJ, Stephano MA, de Araujo GL, Bou-Chacra NA. Thermal study, process optimization, and water solubility improvement of a freeze-dried artemether nanosuspension for malaria treatment. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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23
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Mechanical Activation by Ball Milling as a Strategy to Prepare Highly Soluble Pharmaceutical Formulations in the Form of Co-Amorphous, Co-Crystals, or Polymorphs. Pharmaceutics 2022; 14:pharmaceutics14102003. [PMID: 36297439 PMCID: PMC9607342 DOI: 10.3390/pharmaceutics14102003] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/11/2022] [Accepted: 09/14/2022] [Indexed: 11/17/2022] Open
Abstract
Almost half of orally administered active pharmaceutical ingredients (APIs) have low solubility, which affects their bioavailability. In the last two decades, several alternatives have been proposed to modify the crystalline structure of APIs to improve their solubility; these strategies consist of inducing supramolecular structural changes in the active pharmaceutical ingredients, such as the amorphization and preparation of co-crystals or polymorphs. Since many APIs are thermosensitive, non-thermal emerging alternative techniques, such as mechanical activation by milling, have become increasingly common as a preparation method for drug formulations. This review summarizes the recent research in preparing pharmaceutical formulations (co-amorphous, co-crystals, and polymorphs) through ball milling to enhance the physicochemical properties of active pharmaceutical ingredients. This report includes detailed experimental milling conditions (instrumentation, temperature, time, solvent, etc.), as well as solubility, bioavailability, structural, and thermal stability data. The results and description of characterization techniques to determine the structural modifications resulting from transforming a pure crystalline API into a co-crystal, polymorph, or co-amorphous system are presented. Additionally, the characterization methodologies and results of intermolecular interactions induced by mechanical activation are discussed to explain the properties of the pharmaceutical formulations obtained after the ball milling process.
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Koh YP, Fondren ZT, Denton AA, Simon SL, McKenna GB. Amorphization and Crystallization of Hexanitroazobenzene (HNAB) Using Conventional DSC and Flash DSC. PROPELLANTS EXPLOSIVES PYROTECHNICS 2022. [DOI: 10.1002/prep.202100366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yung P. Koh
- Department of Chemical Engineering Texas Tech University Lubbock TX 79409–3121 USA
- Department of Chemical and Biomolecular Engineering North Carolina State University Raleigh NC 27695–7905 USA
| | - Zachary T. Fondren
- Department of Chemical Engineering Texas Tech University Lubbock TX 79409–3121 USA
- CCDC-AC Picatinny Arsenal NJ 07806 USA
| | - Aric A. Denton
- Department of Chemical Engineering Texas Tech University Lubbock TX 79409–3121 USA
| | - Sindee L. Simon
- Department of Chemical Engineering Texas Tech University Lubbock TX 79409–3121 USA
- Department of Chemical and Biomolecular Engineering North Carolina State University Raleigh NC 27695–7905 USA
| | - Gregory B. McKenna
- Department of Chemical Engineering Texas Tech University Lubbock TX 79409–3121 USA
- Department of Chemical and Biomolecular Engineering North Carolina State University Raleigh NC 27695–7905 USA
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Du Y, Su Y. 19F Solid-state NMR characterization of pharmaceutical solids. SOLID STATE NUCLEAR MAGNETIC RESONANCE 2022; 120:101796. [PMID: 35688018 DOI: 10.1016/j.ssnmr.2022.101796] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 05/18/2022] [Accepted: 05/19/2022] [Indexed: 06/15/2023]
Abstract
Solid-state NMR has been increasingly recognized as a high-resolution and versatile spectroscopic tool to characterize drug substances and products. However, the analysis of pharmaceutical materials is often carried out at natural isotopic abundance and a relatively low drug loading in multi-component systems and therefore suffers from challenges of low sensitivity. The fact that fluorinated therapeutics are well represented in pipeline drugs and commercial products offers an excellent opportunity to utilize fluorine as a molecular probe for pharmaceutical analysis. We aim to review recent advancements of 19F magic angle spinning NMR methods in modern drug research and development. Applications to polymorph screening at the micromolar level, structural elucidation, and investigation of molecular interactions at the Ångström to submicron resolution in drug delivery, stability, and quality will be discussed.
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Affiliation(s)
- Yong Du
- Analytical Research and Development, Merck & Co., Inc., Rahway, NJ, 07065, United States
| | - Yongchao Su
- Analytical Research and Development, Merck & Co., Inc., Rahway, NJ, 07065, United States; Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, IN, 47907, United States; Division of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy, The University of Texas at Austin, Austin, TX, 78712, United States; Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, CT, 06269, United States.
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Zhang J, Liu M, Zeng Z. The antisolvent coprecipitation method for enhanced bioavailability of poorly water-soluble drugs. Int J Pharm 2022; 626:122043. [PMID: 35902056 DOI: 10.1016/j.ijpharm.2022.122043] [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: 05/05/2022] [Revised: 07/13/2022] [Accepted: 07/18/2022] [Indexed: 11/25/2022]
Abstract
In recent years, poorly water-soluble drug candidates in the drug development pipeline have been a challenging issue for the pharmaceutical industry. Many delivery systems such as nanocrystals, cocrystals, nanoparticles, and amorphous solid dispersions (ASDs) have been developed to overcome these problems. A large number of methods are utilized to realize the above delivery systems. Among all the preparation methods, the antisolvent coprecipitation method is a relatively simple, cost-effective method, offering many advantages over conventional methods. An overview of recent developments for each solubility enhancement approach using the antisolvent coprecipitation method is presented. This current review details a comprehensive overview of the antisolvent coprecipitation process and its properties, as well as the fundamentals for enhancing the solubility and bioavailability of poorly water-soluble drugs by nanotization, polymorph control with polymers and/or surfactants. Furthermore, this review also presents insights into the factors affecting the antisolvent coprecipitation process.
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Affiliation(s)
- Jie Zhang
- College of Biological and Chemical Engineering, Changsha University, Changsha 410022, China; Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China.
| | - Minzhuo Liu
- College of Biological and Chemical Engineering, Changsha University, Changsha 410022, China
| | - Zhihong Zeng
- College of Biological and Chemical Engineering, Changsha University, Changsha 410022, China.
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Bajuri F, Bradley D, Mustafa S, Tamchek N, Ahmad Saad F, Mazlan N, Mohd Noor N. Morphology and thermoluminescence characteristics of customised Ge-doped optical fibre under Am–Be neutron source as a potential to be used for space radiation detector. Radiat Phys Chem Oxf Engl 1993 2022. [DOI: 10.1016/j.radphyschem.2022.110378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Kim J, Ulrich J. Nucleation Behavior in a Transformation of the Amorphous State to the Crystalline State during Antisolvent Crystallization. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c00244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jungsuk Kim
- ehe. Zentrum für Ingenieurwissenschaften, Nat Fak I, Martin-Luther-Universität Halle-Wittenberg, D-06099 Halle, Germany
| | - Joachim Ulrich
- ehe. Zentrum für Ingenieurwissenschaften, Nat Fak I, Martin-Luther-Universität Halle-Wittenberg, D-06099 Halle, Germany
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Stabilizing Effect of Soluplus on Erlotinib Metastable Crystal Form in Microparticles and Amorphous Solid Dispersions. Polymers (Basel) 2022; 14:polym14061241. [PMID: 35335571 PMCID: PMC8949943 DOI: 10.3390/polym14061241] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 03/13/2022] [Accepted: 03/14/2022] [Indexed: 02/01/2023] Open
Abstract
Microparticles (MPs) and amorphous solid dispersions (SDs) are effective methods to improve the dissolution of insoluble drugs. However, stability is a concern for these two high-energy systems, resulting from high surface area and amorphous polymorph, respectively. As an amphiphilic polymer, Soluplus (SOL) is usually used as a carrier in SDs. In this study, erlotinib microparticles (ERL MPs) and erlotinib solid dispersions (ERL SDs) were prepared with SOL by bottom-up technology and solvent evaporation. The solid-state properties of ERL MPs and ERL SDs were characterized by Differential Scanning Calorimetry (DSC), Powder X-Ray Diffraction (PXRD) and Scanning Electron Microscopy (SEM). The ERL MPs existed in a metastable crystal form A while the ERL SDs existed in an amorphous state. Fourier transform infrared spectroscopy (FT-IR) showed that there was a hydrogen bond interaction between the N-H group of ERL and the carbonyl group of SOL in ERL MPs and SDs. The dissolution profiles of ERL SDs and ERL MPs were improved significantly. ERL MPs showed better stability than ERL SDs in accelerated stability test. The discrepant stabilizing effects of polymer SOL in two systems may provide effective ideas for solubilization of insoluble drugs and the stability of drugs after recrystallization.
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Chitosan oligosaccharide/alginate nanoparticles as an effective carrier for astaxanthin with improving stability, in vitro oral bioaccessibility, and bioavailability. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107246] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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31
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Kim J, Ulrich J. Finding Conditions to Process Hydrate Crystals and Amorphous Solids of Disodium Guanosine 5′‐Monophosphate by an Antisolvent Crystallization Process. CRYSTAL RESEARCH AND TECHNOLOGY 2022. [DOI: 10.1002/crat.202100176] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Jungsuk Kim
- ehe. Zentrum für Ingenieurwissenschaften Nat Fak I Martin‐Luther‐Universität Halle‐Wittenberg D‐06099 Halle Germany
| | - Joachim Ulrich
- ehe. Zentrum für Ingenieurwissenschaften Nat Fak I Martin‐Luther‐Universität Halle‐Wittenberg D‐06099 Halle Germany
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Liu S, Xiao J, Feng Y, Zhang M, Li Y, Tu J, Niu L. Anthocyanin‐fortified konjac glucomannan/sodium alginate composite edible boba: characteristics of texture, microstructure,
in vitro
release behavior and antioxidant capacity. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.15557] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Sha Liu
- School of Food Science and Engineering Jiangxi Agricultural University 1101 Zhimin Road Nanchang 330045 China
| | - JianHui Xiao
- School of Food Science and Engineering Jiangxi Agricultural University 1101 Zhimin Road Nanchang 330045 China
| | - YaPing Feng
- School of Food Science and Engineering Jiangxi Agricultural University 1101 Zhimin Road Nanchang 330045 China
| | - MianLing Zhang
- School of Food Science and Engineering Jiangxi Agricultural University 1101 Zhimin Road Nanchang 330045 China
| | - Ying Li
- School of Food Science and Engineering Jiangxi Agricultural University 1101 Zhimin Road Nanchang 330045 China
| | - Jin Tu
- School of Food Science and Engineering Jiangxi Agricultural University 1101 Zhimin Road Nanchang 330045 China
| | - LiYa Niu
- School of Food Science and Engineering Jiangxi Agricultural University 1101 Zhimin Road Nanchang 330045 China
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Park H, Kim JS, Hong S, Ha ES, Nie H, Zhou QT, Kim MS. Tableting process-induced solid-state polymorphic transition. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2022. [DOI: 10.1007/s40005-021-00556-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Stephen S, Gorain B, Choudhury H, Chatterjee B. Exploring the role of mesoporous silica nanoparticle in the development of novel drug delivery systems. Drug Deliv Transl Res 2022; 12:105-123. [PMID: 33604837 DOI: 10.1007/s13346-021-00935-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/01/2021] [Indexed: 10/22/2022]
Abstract
The biocompatible nature of mesoporous silica nanoparticles (MSN) attracted researchers' attention to deliver therapeutic agents in the treatment of various diseases, where their porous nature, high drug loading efficiency, and suitability to functionalize with a specific ligand of MSN helped to obtain the desired outcome. The application of MSN has been extended to deliver small chemicals to large-sized peptides or proteins to fight against complex diseases. Recently, formulation researches with MSN have been progressed for various non-conventional drug delivery systems, including liposome, microsphere, oro-dispersible film, 3D-printed formulation, and microneedle. Low bulk density, retaining mesoporous structure during downstream processing, and lack of sufficient in vivo studies are some of the important issues towards the success of mesoporous silica-based advanced drug delivery systems. The present review has aimed to evaluate the application of MSN in advanced drug delivery systems to critically analyze the role of MSN in the respective formulation over other functionalized polymers. Finally, an outlook on the future direction of MSN-based advanced drug delivery systems has been drawn against the existing challenges with this platform.
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Affiliation(s)
- Senitta Stephen
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V.L Mehta Road, Vile Parle(W), Mumbai, India
| | - Bapi Gorain
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, 47500, Subang Jaya, Selangor, Malaysia
- Centre for Drug Delivery and Molecular Pharmacology, Faculty of Health and Medical Sciences, Taylor's University, 47500, Subang Jaya, Selangor, Malaysia
| | - Hira Choudhury
- Department of Pharmaceutical Technology, School of Pharmacy, International Medical University, Bukit Jalil , 57000, Kuala Lumpur, Malaysia
- Centre for Bioactive Molecules and Drug Delivery, Institute for Research, Development and Innovation, International Medical University, 57000, Kuala Lumpur, Malaysia
| | - Bappaditya Chatterjee
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V.L Mehta Road, Vile Parle(W), Mumbai, India.
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Sadeghi F, Soleimanian Z, Hadizadeh F, Shirafkan A, Kamali H, Afrasiabi Garekani H. Anti-solvent crystallization of celecoxib in the presence of PVP for enhancing the dissolution rate: Comparison of water and supercritical CO2 as two antisolvents. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2021.11.029] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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36
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Enhancing bioaccessibility of resveratrol by loading in natural porous starch microparticles. Int J Biol Macromol 2022; 194:982-992. [PMID: 34852260 DOI: 10.1016/j.ijbiomac.2021.11.157] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 09/30/2021] [Accepted: 11/22/2021] [Indexed: 01/26/2023]
Abstract
Resveratrol (RSV) is a lipophilic polyphenol susceptible to photo- and thermal degradation, and strategies are to be studied to enable its distribution in food matrices, prevent its degradation during storage, and increase its bioaccessibility during digestion. In this study, the porous matrix of natural starch, in the form of milled freeze-dried potato microparticles (FDPMs), was studied as an absorbent to load RSV. The binary solvent of ethanol and polyethylene glycol 400 (40:60 v/v) was used to dissolve 30% w/v RSV for diffusion into FDPMs. After ethanol was evaporated, the loading capacity was 112 mg RSV/g FDPMs and was maintained at 104 mg RSV/g FDPMs (92.9% retention) after 110-day ambient storage. The RSV stability under UV irradiation at 253 nm was improved by 32% due to shielding effect of FDPMs, and the ferric reducing power was 25% higher than the pristine RSV. The release of RSV in FDPMs was significantly higher than pristine RSV during simulated gastric and intestinal digestions (82.3% vs 51.4% bioaccessibility). The increased reducing power and bioaccessibility were supported by the amorphous state of RSV in FDPMs. The present study illustrates the potential of porous vegetable microparticles as natural matrices to load lipophilic bioactive compounds in functional foods.
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Understanding the Effect of Energy Density and Formulation Factors on the Printability and Characteristics of SLS Irbesartan Tablets-Application of the Decision Tree Model. Pharmaceutics 2021; 13:pharmaceutics13111969. [PMID: 34834384 PMCID: PMC8621390 DOI: 10.3390/pharmaceutics13111969] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 11/05/2021] [Accepted: 11/18/2021] [Indexed: 02/06/2023] Open
Abstract
Selective laser sintering (SLS) is a rapid prototyping technique for the production of three-dimensional objects through selectively sintering powder-based layer materials. The aim of the study was to investigate the effect of energy density (ED) and formulation factors on the printability and characteristics of SLS irbesartan tablets. The correlation between formulation factors, ED, and printability was obtained using a decision tree model with an accuracy of 80%. FT-IR results revealed that there was no interaction between irbesartan and the applied excipients. DSC results indicated that irbesartan was present in an amorphous form in printed tablets. ED had a significant influence on tablets’ physical, mechanical, and morphological characteristics. Adding lactose monohydrate enabled faster drug release while reducing the possibility for printing with different laser speeds. However, formulations with crospovidone were printable with a wider range of laser speeds. The adjustment of formulation and process parameters enabled the production of SLS tablets with hydroxypropyl methylcellulose with complete release in less than 30 min. The results suggest that a decision tree could be a useful tool for predicting the printability of pharmaceutical formulations. Tailoring the characteristics of SLS irbesartan tablets by ED is possible; however, it needs to be governed by the composition of the whole formulation.
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Guo Y, Ren L, Li X, Wang Z, Zhang Y, Zhang S, Tang T, Chen F, Du F. Bio-based clothianidin-loaded solid dispersion using composite carriers to improve efficacy and reduce environmental toxicity. PEST MANAGEMENT SCIENCE 2021; 77:5246-5254. [PMID: 34310012 DOI: 10.1002/ps.6567] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Neonicotinoids comprise one of the most extensively used classes of pesticides worldwide owing to their broad insecticidal spectrum and excellent biological performance. However, their toxicity to honeybee (Apis mellifera Linnaeus) and silkworm (Bombyx Mori) limits their further application. To address this issue, clothianidin as a model neonicotinoid was developed into a novel controlled-release formulation employing advantaged solid dispersion (SD) technology using composite carriers. RESULTS In this research, the clothianidin-loaded SD was characterized using integrated methods to elucidate its formation mechanism, showing that clothianidin was embedded into the carrier homogeneously in small crystalline entities. The composite carriers, which are both renewable and environmentally friendly, can significantly prolong the release of clothianidin from seven to 25 days, compared with that of PEG 8000 as a single carrier. Based on the excellent controlled release profiles, it reduced the acute toxicity to A. mellifera and B. mori by 57.68- and 85.32-fold (respectively) compared with that of the conventional formulation. Furthermore, the SD displayed favorable efficacy and persistency against Asian citrus psyllid (Hemiptera: Psyllidae). CONCLUSION This novel strategy opens up a simple and powerful avenue for improving efficacy and promoting the environmental safety of neonicotinoid insecticides to be used in sustainable crop protection.
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Affiliation(s)
- Yongfei Guo
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- College of Science, China Agricultural University, Beijing, China
| | - Lirui Ren
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xiaolong Li
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zhao Wang
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yanning Zhang
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Shuai Zhang
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Tao Tang
- Institute of Plant Protection, Hunan Academy of Agricultural Sciences, Changsha, China
| | - Fuliang Chen
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Fengpei Du
- College of Science, China Agricultural University, Beijing, China
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Lima SG, Pinho LA, Sa-Barreto LL, Gelfuso GM, Gratieri T, Cunha-Filho M. Granules of finasteride and cyclodextrin obtained by hot-melt extrusion to target the hair follicles. POWDER TECHNOL 2021. [DOI: 10.1016/j.powtec.2021.06.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Direct Powder Extrusion 3D Printing of Praziquantel to Overcome Neglected Disease Formulation Challenges in Paediatric Populations. Pharmaceutics 2021; 13:pharmaceutics13081114. [PMID: 34452075 PMCID: PMC8398999 DOI: 10.3390/pharmaceutics13081114] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/16/2021] [Accepted: 07/18/2021] [Indexed: 12/30/2022] Open
Abstract
For the last 40 years, praziquantel has been the standard treatment for schistosomiasis, a neglected parasitic disease affecting more than 250 million people worldwide. However, there is no suitable paediatric formulation on the market, leading to off-label use and the splitting of commercial tablets for adults. In this study, we use a recently available technology, direct powder extrusion (DPE) three-dimensional printing (3DP), to prepare paediatric Printlets™ (3D printed tablets) of amorphous solid dispersions of praziquantel with Kollidon® VA 64 and surfactants (Span™ 20 or Kolliphor® SLS). Printlets were successfully printed from both pellets and powders obtained from extrudates by hot melt extrusion (HME). In vitro dissolution studies showed a greater than four-fold increase in praziquantel release, due to the formation of amorphous solid dispersions. In vitro palatability data indicated that the printlets were in the range of praziquantel tolerability, highlighting the taste masking capabilities of this technology without the need for additional taste masking excipients. This work has demonstrated the possibility of 3D printing tablets using pellets or powder forms obtained by HME, avoiding the use of filaments in fused deposition modelling 3DP. Moreover, the main formulation hurdles of praziquantel, such as low drug solubility, inadequate taste, and high and variable dose requirements, can be overcome using this technology.
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Inclusion complexation of the anticancer drug pomalidomide with cyclodextrins: fast dissolution and improved solubility. Heliyon 2021; 7:e07581. [PMID: 34355087 PMCID: PMC8321930 DOI: 10.1016/j.heliyon.2021.e07581] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 07/06/2021] [Accepted: 07/12/2021] [Indexed: 12/27/2022] Open
Abstract
Pomalidomide (POM), a potent anticancer thalidomide analogue was characterized in terms of cyclodextrin complexation to improve its aqueous solubility and maintain its anti-angiogenic activity. The most promising cyclodextrin derivatives were selected by phase-solubility studies. From the investigated nine cyclodextrins - differing in cavity size, nature of substituents, degree of substitution and charge - the highest solubility increase was observed with sulfobutylether-β-cyclodextrin (SBE-β-CD). The inclusion complexation between POM and SBE-β-CD was further characterized with a wide variety of state-of-the-art analytical techniques, such as nuclear magnetic resonance spectroscopy (NMR), infrared spectroscopy (IR), circular dichroism spectroscopy, fluorescence spectroscopy as well as X-ray powder diffraction method (XRD). Job plot titration by NMR and the AL-type phase-solubility diagram indicated 1:1 stoichiometry in a liquid state. Complementary analytical methods were employed for the determination of the stability constant of the complex; the advantages and disadvantages of the different approaches are also discussed. Inclusion complex formation was also assessed by molecular modelling study. Solid state complexation in a 1:1 M ratio was carried out by lyophilization and investigated by IR and XRD. The complex exhibited fast-dissolution with immediate release of POM, when compared to the pure drug at acidic and neutral pH. Kinetic analysis of POM release from lyophilized complex shows that Korsmeyer-Peppas and Weibull model described the best the dissolution kinetics. The cytotoxicity of the complex was tested against the LP-1 human myeloma cell line which revealed that supramolecular interactions did not significantly affect the anti-cancer activity of the drug. Overall, our results suggest that the inclusion complexation of POM with SBE-β-CD could be a promising approach for developing more effective POM formulations with increased solubility.
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Sun Y, Fan S, Liang R, Ni X, Du Y, Wang J, Yang C. Design and characterization of starch/solid lipids hybrid microcapsules and their thermal stability with menthol. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106631] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Qian K, Stella L, Jones DS, Andrews GP, Du H, Tian Y. Drug-Rich Phases Induced by Amorphous Solid Dispersion: Arbitrary or Intentional Goal in Oral Drug Delivery? Pharmaceutics 2021; 13:889. [PMID: 34203969 PMCID: PMC8232734 DOI: 10.3390/pharmaceutics13060889] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/08/2021] [Accepted: 06/10/2021] [Indexed: 12/19/2022] Open
Abstract
Among many methods to mitigate the solubility limitations of drug compounds, amorphous solid dispersion (ASD) is considered to be one of the most promising strategies to enhance the dissolution and bioavailability of poorly water-soluble drugs. The enhancement of ASD in the oral absorption of drugs has been mainly attributed to the high apparent drug solubility during the dissolution. In the last decade, with the implementations of new knowledge and advanced analytical techniques, a drug-rich transient metastable phase was frequently highlighted within the supersaturation stage of the ASD dissolution. The extended drug absorption and bioavailability enhancement may be attributed to the metastability of such drug-rich phases. In this paper, we have reviewed (i) the possible theory behind the formation and stabilization of such metastable drug-rich phases, with a focus on non-classical nucleation; (ii) the additional benefits of the ASD-induced drug-rich phases for bioavailability enhancements. It is envisaged that a greater understanding of the non-classical nucleation theory and its application on the ASD design might accelerate the drug product development process in the future.
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Affiliation(s)
- Kaijie Qian
- Pharmaceutical Engineering Group, School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK; (K.Q.); (D.S.J.); (G.P.A.)
| | - Lorenzo Stella
- Atomistic Simulation Centre, School of Mathematics and Physics, Queen’s University Belfast, 7–9 College Park E, Belfast BT7 1PS, UK;
- David Keir Building, School of Chemistry and Chemical Engineering, Queen’s University Belfast, Stranmillis Road, Belfast BT9 5AG, UK
| | - David S. Jones
- Pharmaceutical Engineering Group, School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK; (K.Q.); (D.S.J.); (G.P.A.)
| | - Gavin P. Andrews
- Pharmaceutical Engineering Group, School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK; (K.Q.); (D.S.J.); (G.P.A.)
- School of Pharmacy, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang 110122, China
| | - Huachuan Du
- Laboratory of Applied Mechanobiology, Department of Health Sciences and Technology, ETH Zurich, Vladimir-Prelog-Weg 4, 8093 Zurich, Switzerland
- Simpson Querrey Institute, Northwestern University, 303 East Superior Street, 11th floor, Chicago, IL 60611, USA
| | - Yiwei Tian
- Pharmaceutical Engineering Group, School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK; (K.Q.); (D.S.J.); (G.P.A.)
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Shi X, Zhou X, Shen S, Chen Q, Song S, Gu C, Wang C. Improved in vitro and in vivo properties of telmisartan in the co-amorphous system with hydrochlorothiazide: A potential drug-drug interaction mechanism prediction. Eur J Pharm Sci 2021; 161:105773. [PMID: 33640500 DOI: 10.1016/j.ejps.2021.105773] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 02/20/2021] [Accepted: 02/21/2021] [Indexed: 12/25/2022]
Abstract
The aim of this study is to improve in vitro and in vivo properties of an antihypertensive poorly soluble drug Telmisartan (TEL) by co-amorphization with a pharmacologically relevant drug Hydrochlorothiazide (HCT), and to improve the stability of single amorphous drugs. Herein, TEL-HCT co-amorphous systems (CAMs) (1:1, 2:3, 1:2, 1:3) were prepared by solvent evaporation. The apparent solubility and the dissolution of TEL in the TEL-HCT CAM (1:3) were increased by 79 times and 10 times compared to crystalline TEL, which showed the optimal properties. Cmax and AUC0-48h value of TEL-HCT CAM (1:3) were 10-fold and 3-fold as the crystalline state. Moreover, TEL-HCT CAM (1:3) remained stable in 60 °C, 0 % RH (30 days), 40 °C, 75 % RH (90 days) and 25 °C, 0 % RH (180 days). Positive ΔTgs were observed in all CAMs, suggesting the existence of potential intermolecular force. Fourier Transform-Infrared and Raman spectra were used to further prove the drug-drug interaction and predict potential mechanisms. Therefore, in the strategy of combined medication, CAM provides a promising way to transfer drugs with poor properties into systems with enhanced dissolution, greater bioavailability, and stabilized amorphous state, which has been proven in this study.
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Affiliation(s)
- Xiangjun Shi
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou310014, China.
| | - Xiyue Zhou
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou310014, China
| | - Shuimei Shen
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou310014, China
| | - Qifeng Chen
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou310014, China
| | - Shengjie Song
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou310014, China
| | - Chenru Gu
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou310014, China
| | - Chao Wang
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou310014, China
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Tsolaki E, Stocker MW, Healy AM, Ferguson S. Formulation of ionic liquid APIs via spray drying processes to enable conversion into single and two-phase solid forms. Int J Pharm 2021; 603:120669. [PMID: 33989753 DOI: 10.1016/j.ijpharm.2021.120669] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 04/07/2021] [Accepted: 04/30/2021] [Indexed: 12/31/2022]
Abstract
Ionic liquid (IL) forms of drugs are increasingly being explored to address problems presented by poorly water-soluble drugs and solid-state stability. However, before ILs of active pharmaceutical ingredients (APIs) can be routinely incorporated into oral solid dosage forms (OSDs), challenges surrounding their ease of handling and manufacture must be addressed. To this end a framework for transforming API-ILs into solid forms at high loadings based on spray encapsulation using an immiscible polymer has recently been demonstrated. The current work demonstrates that this framework can be applied to a broad range of newly synthesized low glass transition temperature (Tg) API-ILs. Furthermore, the work explores a second novel approach to solidification of API-ILs based on polymer-API-IL miscibility that, to the best of our knowledge, has not been previously demonstrated. Modulated differential scanning calorimetry (mDSC) and attenuated total reflectance Fourier transform infrared spectroscopy showed that it was possible to produce spray dried solid materials, at acceptable loadings and yields for OSD applications in the form of both two-phase phase encapsulated systems and single phase amorphous solid dispersions (ASDs). This was achieved by the appropriate selection of an API-IL insoluble polymer (ethyl cellulose) for phase separated systems, or a miscible polymer with an exceptionally high Tg (the polysaccharide, maltodextrin) for the ASDs. Both approaches successfully overcame the Tg suppression associated with room temperature ILs. This work represents the first step to understanding the fundamental critical physical attributes of these systems to facilitate a more mechanistic methodology for their design.
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Affiliation(s)
- Evangelia Tsolaki
- School of Chemical and Bioprocess Engineering, University College Dublin, Dublin 4, Ireland; SSPC, The SFI Research Centre for Pharmaceuticals, School of Chemical and Bioprocess Engineering, University College Dublin, Dublin 4, Ireland; EPSRC-SFI Centre for Doctoral Training in Transformative Pharmaceutical Technologies, Ireland.
| | - Michael W Stocker
- School of Chemical and Bioprocess Engineering, University College Dublin, Dublin 4, Ireland.
| | - Anne Marie Healy
- SSPC, The SFI Research Centre for Pharmaceuticals, School of Pharmacy and Pharmaceutical Sciences, Panoz Institute, Trinity College Dublin, Dublin 2, Ireland.
| | - Steven Ferguson
- School of Chemical and Bioprocess Engineering, University College Dublin, Dublin 4, Ireland; SSPC, The SFI Research Centre for Pharmaceuticals, School of Chemical and Bioprocess Engineering, University College Dublin, Dublin 4, Ireland; I-Form, The SFI Research Centre for Advanced Manufacturing, School of Chemical and Bioprocess Engineering, University College Dublin, Dublin 4, Ireland; National Institute for Bioprocess Research and Training, 24 Foster's Ave, Belfield, Blackrock, Co. Dublin A94 X099, Ireland.
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46
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Franco P, De Marco I. Controlled-release antihistamines using supercritical antisolvent process. J Supercrit Fluids 2021. [DOI: 10.1016/j.supflu.2021.105201] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Poudel S, Kim DW. Developing pH-Modulated Spray Dried Amorphous Solid Dispersion of Candesartan Cilexetil with Enhanced In Vitro and In Vivo Performance. Pharmaceutics 2021; 13:497. [PMID: 33917403 PMCID: PMC8067465 DOI: 10.3390/pharmaceutics13040497] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 04/01/2021] [Accepted: 04/04/2021] [Indexed: 11/24/2022] Open
Abstract
Candesartan cilexetil (CC), a prodrug and highly effective antihypertensive agent, is a poorly soluble (BCS Class II) drug with limited bioavailability. Here, we attempted to improve CC's bioavailability by formulating several CC-loaded amorphous solid dispersions with a hydrophilic carrier (PVPK30) and pH modifier (sodium carbonate) using the spray drying technique. Solubility, in vitro dissolution, and moisture content tests were used for screening the optimized formulation. We identified an optimized formulation of CC/PVPK30/SC, which at the ratio of 1:0.5:1 (w/w/w) exhibited a 30,000-fold increase in solubility and a more than 9-fold enhancement in dissolution compared to pure CC. Solid-state characterization revealed that in pH-modulated CC amorphous solid dispersion (CCSDpM), CC's crystallinity was altered to an amorphous state with the absence of undesirable interactions. Stability studies also showed that the optimized formulation was stable with good drug content and drug release under accelerated conditions of up to 4 weeks and real-time stability conditions of up to 12 weeks. Furthermore, pharmacokinetic parameters, such as AUC and Cmax of candesartan, had a 4.45-fold and 7.42-fold improvement, respectively, in CCSDpM-treated rats compared to those in the CC-treated rats. Thus, these results suggest that CCSDpM is highly effective for increasing oral absorption. The application of these techniques can be a viable strategy to improve a drug's bioavailability.
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Affiliation(s)
| | - Dong Wuk Kim
- Vessel-Organ Interaction Research Center (VOICE, MRC), BK21 FOUR Community-Based Intelligent Novel Drug Discovery Education Unit, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Kyungpook National University, Daegu 41566, Korea;
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S'ari M, Blade H, Cosgrove S, Drummond-Brydson R, Hondow N, Hughes LP, Brown A. Characterization of Amorphous Solid Dispersions and Identification of Low Levels of Crystallinity by Transmission Electron Microscopy. Mol Pharm 2021; 18:1905-1919. [PMID: 33797925 DOI: 10.1021/acs.molpharmaceut.0c00918] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Amorphous solid dispersions (ASDs) are used to increase the solubility of oral medicines by kinetically stabilizing the more soluble amorphous phase of an active pharmaceutical ingredient with a suitable amorphous polymer. Low levels of a crystalline material in an ASD can negatively impact the desired dissolution properties of the drug. Characterization techniques such as powder X-ray diffraction (pXRD), differential scanning calorimetry (DSC), and Fourier transform infrared spectroscopy (FTIR) are often used to detect and measure any crystallinity within ASDs. These techniques are unable to detect or quantify very low levels because they have limits of detection typically in the order of 1-5%. Herein, an ASD of felodipine (FEL) and polyvinylpyrrolidone/vinyl acetate copolymer (PVP/VA) prepared via a hot melt extrusion (HME) in a mass ratio of 30:70 was characterized using a range of techniques. No signs of residual crystallinity were found by pXRD, DSC, or FTIR. However, transmission electron microscopy (TEM) did identify two areas containing crystals at the edges of milled particles from a total of 55 examined. Both crystalline areas contained Cl Kα X-ray peaks when measured by energy-dispersive X-ray spectroscopy, confirming the presence of FEL (due to the presence of Cl atoms in FEL and not in PVP/VA). Further analysis was carried out by TEM using conical dark field (DF) imaging of a HME ASD of 50:50 FEL-PVP/VA to provide insights into the recrystallization process that occurs at the edges of particles during accelerated ageing conditions in an atmosphere of 75% relative humidity. Multiple metastable polymorphs of recrystallized FEL could be identified by selected area electron diffraction (SAED), predominately form II and the more stable form I. Conical DF imaging was also successful in spatially resolving and sizing crystals. This work highlights the potential for TEM-based techniques to improve the limit of detection of crystallinity in ASDs, while also providing insights into transformation pathways by identifying the location, size, and form of any crystallization that might occur on storage. This opens up the possibility of providing an enhanced understanding of a drug product's stability and performance.
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Affiliation(s)
- Mark S'ari
- School of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, U.K
| | - Helen Blade
- Oral Product Development, Pharmaceutical Technology and Development Operations, AstraZeneca, Macclesfield SK10 2NA, U.K
| | - Stephen Cosgrove
- New Modalities and Parenterals Development, Pharmaceutical Technology and Development Operations, AstraZeneca, Macclesfield SK10 2NA, U.K
| | - Rik Drummond-Brydson
- School of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, U.K
| | - Nicole Hondow
- School of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, U.K
| | - Leslie P Hughes
- Oral Product Development, Pharmaceutical Technology and Development Operations, AstraZeneca, Macclesfield SK10 2NA, U.K
| | - Andy Brown
- School of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, U.K
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Bochmann ES, Steidel A, Rosenblatt KM, Gessner D, Liepold B. Assessment of the amorphous solid dispersion erosion behavior following a novel small-scale predictive approach. Eur J Pharm Sci 2021; 158:105682. [DOI: 10.1016/j.ejps.2020.105682] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Revised: 12/04/2020] [Accepted: 12/16/2020] [Indexed: 10/22/2022]
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50
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3D-printing of lopinavir printlets by selective laser sintering and quantification of crystalline fraction by XRPD-chemometric models. Int J Pharm 2021; 592:120059. [DOI: 10.1016/j.ijpharm.2020.120059] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 11/03/2020] [Accepted: 11/04/2020] [Indexed: 12/30/2022]
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