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Repp L, Skoczen SL, Rasoulianboroujeni M, Stern ST, Kwon GS. Plasma Stability and Plasma Metabolite Concentration-Time Profiles of Oligo(Lactic Acid) 8-Paclitaxel Prodrug Loaded Polymeric Micelles. AAPS J 2023; 25:39. [PMID: 37041376 PMCID: PMC10141660 DOI: 10.1208/s12248-023-00807-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 03/24/2023] [Indexed: 04/13/2023] Open
Abstract
Paclitaxel (PTX) is a frequently prescribed chemotherapy drug used to treat a wide variety of solid tumors. Oligo(lactic acid)8-PTX prodrug (o(LA)8-PTX) loaded poly(ethylene glycol)-b-poly(lactic acid) (PEG-b-PLA) micelles have higher loading, slower release and higher antitumor efficacy in murine tumor models over PTX-loaded PEG-b-PLA micelles. The goal of this work is to study plasma stability of o(LA)8-PTX-loaded PEG-b-PLA micelles and its pharmacokinetics after IV injection in rats. In rat plasma, o(LA)8-PTX prodrug is metabolized into o(LA)1-PTX and PTX. In human plasma, o(LA)8-PTX is metabolized more slowly into o(LA)2-PTX, o(LA)1-PTX, and PTX. After IV injection of 10 mg/kg PTX-equiv of o(LA)8-PTX prodrug loaded PEG-b-PLA micelles in Sprague-Dawley rats, metabolite abundance in plasma follows the order: o(LA)1-PTX > o(LA)2-PTX > o(LA)4-PTX > o(LA)6-PTX. Bile metabolite profiles of the o(LA)8-PTX prodrug is similar to plasma metabolite profiles. In comparison to equivalent doses of Abraxane®, plasma PTX exposure is two orders of magnitude higher for Abraxane® than PTX from o(LA)8-PTX prodrug loaded PEG-b-PLA micelles, and plasma o(LA)1-PTX exposure is fivefold higher than PTX from Abraxane®, demonstrating heightened plasma metabolite exposure for enhanced antitumor efficacy.
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Affiliation(s)
- Lauren Repp
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin, Madison, Wisconsin, 53705, USA
| | - Sarah L Skoczen
- Nanotechnology Characterization Laboratory, Cancer Research Technology Program, Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research Sponsored By the National Cancer Institute, Frederick, Maryland, 21702, USA
| | - Morteza Rasoulianboroujeni
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin, Madison, Wisconsin, 53705, USA
| | - Stephan T Stern
- Nanotechnology Characterization Laboratory, Cancer Research Technology Program, Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research Sponsored By the National Cancer Institute, Frederick, Maryland, 21702, USA
| | - Glen S Kwon
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin, Madison, Wisconsin, 53705, USA.
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Repp L, Rasoulianboroujeni M, Lee HJ, Kwon GS. Acyl and oligo(lactic acid) prodrugs for PEG-b-PLA and PEG-b-PCL nano-assemblies for injection. J Control Release 2020; 330:1004-1015. [PMID: 33166607 DOI: 10.1016/j.jconrel.2020.11.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/26/2020] [Accepted: 11/04/2020] [Indexed: 01/14/2023]
Abstract
Poly(ethylene glycol)-block-poly(D,L-lactic acid) (PEG-b-PLA) and poly(ethylene glycol)-block-poly(ε-caprolactone) (PEG-b-PCL) form nano-assemblies, including micelles and nanoparticles, that increase the water solubility of anticancer drugs for injection. PEG-b-PLA and PEG-b-PCL are less toxic than commonly used organic solvents or solubilizers for injection, such as Cremophor EL® in Taxol®. Formulating paclitaxel in PEG-b-PLA micelles, as Genexol-PM®, permits dose escalation over Taxol®, enhancing antitumor efficacy in breast, lung and ovarian cancers. To expand the repertoire of anticancer drugs for injection, acyl and oligo(lactic acid) ester prodrugs have been synthesized for PEG-b-PLA and PEG-b-PCL nano-assemblies, compatibility, and novel nanomedicines for injection. Notably, acyl and oligo(lactic acid) taxane prodrugs delivered by PEG-b-PLA and PEG-b-PCL nano-assemblies display heightened plasma exposure, reduction in biodistribution into major organs and enhanced tumor exposure in murine tumor models, versus parent anticancer drugs in conventional formulations. As a result, acyl and oligo(lactic acid) ester prodrugs are less toxic and induce durable antitumor responses. In summary, acyl and oligo(lactic acid) ester prodrugs widen the range of anticancer drugs that can be tested safely and effectively by using PEG-b-PLA and PEG-b-PCL nano-assemblies, and they display superior anticancer efficacy over parent anticancer drugs, which are often approved products. Oligo(lactic acid) ester taxane prodrugs are in pre-clinical development as novel drug combinations and immunotherapy combinations for cancer therapy.
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Affiliation(s)
- Lauren Repp
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin, 777 Highland Avenue, Madison, WI, 53705, United States
| | - Morteza Rasoulianboroujeni
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin, 777 Highland Avenue, Madison, WI, 53705, United States
| | - Hye Jin Lee
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin, 777 Highland Avenue, Madison, WI, 53705, United States
| | - Glen S Kwon
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin, 777 Highland Avenue, Madison, WI, 53705, United States.
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Puthumana M, Santhana Gopala Krishnan P, Nayak SK. Chemical modifications of PLA through copolymerization. INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION 2020. [DOI: 10.1080/1023666x.2020.1830650] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Manju Puthumana
- Department of Plastics Technology, Central Institute of Plastics Engineering and Technology, Institute of Plastics Technology, Chennai, India
| | - P. Santhana Gopala Krishnan
- Department of Plastics Technology, Central Institute of Plastics Engineering and Technology, Institute of Plastics Technology, Chennai, India
| | - Sanjay Kumar Nayak
- Department of Plastics Technology, Central Institute of Plastics Engineering and Technology, Institute of Plastics Technology, Chennai, India
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Jin IS, Jo MJ, Park CW, Chung YB, Kim JS, Shin DH. Physicochemical, Pharmacokinetic, and Toxicity Evaluation of Soluplus ® Polymeric Micelles Encapsulating Fenbendazole. Pharmaceutics 2020; 12:pharmaceutics12101000. [PMID: 33096915 PMCID: PMC7589096 DOI: 10.3390/pharmaceutics12101000] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 10/18/2020] [Accepted: 10/19/2020] [Indexed: 01/26/2023] Open
Abstract
Fenbendazole (FEN), a broad-spectrum benzimidazole anthelmintic, suppresses cancer cell growth through various mechanisms but has low solubility and achieves low blood concentrations, which leads to low bioavailability. Solubilizing agents are required to prepare poorly soluble drugs for injections; however, these are toxic. To overcome this problem, we designed and fabricated low-toxicity Soluplus® polymeric micelles encapsulating FEN and conducted toxicity assays in vitro and in vivo. FEN-loaded Soluplus® micelles had an average particle size of 68.3 ± 0.6 nm, a zeta potential of −2.3 ± 0.2 mV, a drug loading of 0.8 ± 0.03%, and an encapsulation efficiency of 85.3 ± 2.9%. MTT and clonogenic assays were performed on A549 cells treated with free FEN and FEN-loaded Soluplus® micelles. The in vitro drug release profile showed that the micelles released FEN more gradually than the solution. Pharmacokinetic studies revealed lower total clearance and volume of distribution and higher area under the curve and plasma concentration at time zero of FEN-loaded Soluplus® micelles than of the FEN solution. The in vivo toxicity assay revealed that FEN-loaded Soluplus® micelle induced no severe toxicity. Therefore, we propose that preclinical and clinical safety and efficacy trials on FEN-loaded Soluplus® micelles would be worthwhile.
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Affiliation(s)
- Ik Sup Jin
- College of Pharmacy, Chungbuk National University, Cheongju 28160, Korea; (I.S.J.); (M.J.J.); (C.-W.P.); (Y.B.C.)
| | - Min Jeong Jo
- College of Pharmacy, Chungbuk National University, Cheongju 28160, Korea; (I.S.J.); (M.J.J.); (C.-W.P.); (Y.B.C.)
| | - Chun-Woong Park
- College of Pharmacy, Chungbuk National University, Cheongju 28160, Korea; (I.S.J.); (M.J.J.); (C.-W.P.); (Y.B.C.)
| | - Youn Bok Chung
- College of Pharmacy, Chungbuk National University, Cheongju 28160, Korea; (I.S.J.); (M.J.J.); (C.-W.P.); (Y.B.C.)
| | - Jin-Seok Kim
- Drug Information Research Institute (DIRI), College of Pharmacy, Sookmyung Women’s University, Cheongpa-ro 47-gil 100, Yongsan-gu, Seoul 04310, Korea;
| | - Dae Hwan Shin
- College of Pharmacy, Chungbuk National University, Cheongju 28160, Korea; (I.S.J.); (M.J.J.); (C.-W.P.); (Y.B.C.)
- Correspondence: ; Tel.: +82-43-261-2820; Fax: +82-43-268-2732
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Jo MJ, Jin IS, Park CW, Hwang BY, Chung YB, Kim JS, Shin DH. Revolutionizing technologies of nanomicelles for combinatorial anticancer drug delivery. Arch Pharm Res 2020; 43:100-109. [PMID: 31989478 DOI: 10.1007/s12272-020-01215-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 01/20/2020] [Indexed: 02/08/2023]
Abstract
Insufficient efficacy of current single drug therapy of cancers have led to the advancement of combination drug-loaded formulations. Specifically, polymeric micelles have been focused on as efficient injectable vehicles for the delivery of several anticancer drugs simultaneously to cancer cells. These nano delivery systems have evolved with advancements in the area of nanotechnology. The current review presents a summary of the past events that have led to the procession of nanomicelles and novel nanotechnologies for combinatorial drug delivery. It also focuses on the advantages, disadvantages, and considerations for the design of nanotechnologies for combinatorial drug delivery systems. The opportunities and challenges of nanotechnologies in drug delivery to overcome current disadvantages are also discussed. Furthermore, we have added findings regarding the trends and perspectives regarding nanotechnologies for combinatorial anticancer drug delivery.
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Affiliation(s)
- Min Jeong Jo
- College of Pharmacy, Chungbuk National University, Osongsaengmyeong 1-ro, Osong-eup, Heungdeok-gu, Cheongju, 28160, Republic of Korea
| | - Ik Sup Jin
- College of Pharmacy, Chungbuk National University, Osongsaengmyeong 1-ro, Osong-eup, Heungdeok-gu, Cheongju, 28160, Republic of Korea
| | - Chun-Woong Park
- College of Pharmacy, Chungbuk National University, Osongsaengmyeong 1-ro, Osong-eup, Heungdeok-gu, Cheongju, 28160, Republic of Korea
| | - Bang Yeon Hwang
- College of Pharmacy, Chungbuk National University, Osongsaengmyeong 1-ro, Osong-eup, Heungdeok-gu, Cheongju, 28160, Republic of Korea
| | - Youn Bok Chung
- College of Pharmacy, Chungbuk National University, Osongsaengmyeong 1-ro, Osong-eup, Heungdeok-gu, Cheongju, 28160, Republic of Korea
| | - Jin-Seok Kim
- Drug Information Research Institute (DIRI), College of Pharmacy, Sookmyung Women's University, Cheongpa-ro 47-gil 100, Yongsan-gu, Seoul, 04310, Republic of Korea.
| | - Dae Hwan Shin
- College of Pharmacy, Chungbuk National University, Osongsaengmyeong 1-ro, Osong-eup, Heungdeok-gu, Cheongju, 28160, Republic of Korea.
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Liu F, Li A, Li F, Li J, Yan L, Li F, Luo J, Huang Z, Zheng Y. Entrapping Instantly‐Cleaved CPT Prodrugs in Polymeric Micelles for CPT Delivery. ChemistrySelect 2019. [DOI: 10.1002/slct.201903035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Fuyue Liu
- School of PharmacyKey Laboratory of Sichuan Province for Specific Structure of Small Molecule DrugsChengdu Medical College 783 Xindu Ave Chengdu 610500 China
| | - Anqin Li
- School of PharmacyKey Laboratory of Sichuan Province for Specific Structure of Small Molecule DrugsChengdu Medical College 783 Xindu Ave Chengdu 610500 China
| | - Fu Li
- School of PharmacyKey Laboratory of Sichuan Province for Specific Structure of Small Molecule DrugsChengdu Medical College 783 Xindu Ave Chengdu 610500 China
| | - Jin Li
- School of PharmacyKey Laboratory of Sichuan Province for Specific Structure of Small Molecule DrugsChengdu Medical College 783 Xindu Ave Chengdu 610500 China
| | - Lu Yan
- School of PharmacyKey Laboratory of Sichuan Province for Specific Structure of Small Molecule DrugsChengdu Medical College 783 Xindu Ave Chengdu 610500 China
| | - Feng Li
- School of PharmacyKey Laboratory of Sichuan Province for Specific Structure of Small Molecule DrugsChengdu Medical College 783 Xindu Ave Chengdu 610500 China
| | - Jing Luo
- School of PharmacyKey Laboratory of Sichuan Province for Specific Structure of Small Molecule DrugsChengdu Medical College 783 Xindu Ave Chengdu 610500 China
| | - Zhao Huang
- School of PharmacyKey Laboratory of Sichuan Province for Specific Structure of Small Molecule DrugsChengdu Medical College 783 Xindu Ave Chengdu 610500 China
| | - Yaxin Zheng
- School of PharmacyKey Laboratory of Sichuan Province for Specific Structure of Small Molecule DrugsChengdu Medical College 783 Xindu Ave Chengdu 610500 China
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The trip of a drug inside the body: From a lipid-based nanocarrier to a target cell. J Control Release 2019; 309:59-71. [PMID: 31340187 DOI: 10.1016/j.jconrel.2019.07.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 07/17/2019] [Accepted: 07/19/2019] [Indexed: 01/25/2023]
Abstract
To date, enormous investigations have been conducted to enhance medicines' target-oriented delivery to improve their therapeutic index. In this regard, lipid-based carrier system might have been regarded as prime delivery systems that are very close to the naturally cell-derived vesicles used for biomolecular communication among cells from occasionally remote tissues. Upon examination of the literature, we found a chasm between groups of investigations in drug pharmaceutics and thought that maybe holistic research could provide better information with respect to drug delivery inside the body, especially when they are going to be injected directly into the bloodstream for systemic distribution. While a collection of older research in most cases dealt with the determination of drug partition coefficient between the aqueous and cell membrane compartments, the link has been overlooked in newer investigations that were mostly focused on drug formulation optimization and their association with particle biodistribution. This gap in the literature motivated us to present the current opinion paper, in which drug physicochemical properties like drug lipophilicity/hydrophilicity is considered as an important element in designing drug-carrying liposomes or micelles. How a hypothetical high throughput cell-embedded chromatographic technique might help to investigate a nanocarrier tissue distribution and to design 'multi-epitope grafted lipid-based drug carrier systems' are discussed. Whenever we would need support for our opinions, we have provided analogy from hydrophobic biomolecules like cholesterol, steroid hormones, and sex hormones and encouraged readers to consider our principle hypothesis: If these molecules could reach their targets far away from the site of production, then a large list of hydrophobic drugs could be delivered to their targets using the same principles.
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