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Han S, Mei L, Quach T, Porter C, Trevaskis N. Lipophilic Conjugates of Drugs: A Tool to Improve Drug Pharmacokinetic and Therapeutic Profiles. Pharm Res 2021; 38:1497-1518. [PMID: 34463935 DOI: 10.1007/s11095-021-03093-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 08/05/2021] [Indexed: 01/19/2023]
Abstract
Lipophilic conjugates (LCs) of small molecule drugs have been used widely in clinical and pre-clinical studies to achieve a number of pharmacokinetic and therapeutic benefits. For example, lipophilic derivatives of drugs are employed in several long acting injectable products to provide sustained drug exposure for hormone replacement therapy and to treat conditions such as neuropsychiatric diseases. LCs can also be used to modulate drug metabolism, and to enhance drug permeation across membranes, either by increasing lipophilicity to enhance passive diffusion or by increasing protein-mediated active transport. Furthermore, such conjugation strategies have been employed to promote drug association with endogenous macromolecular carriers (e.g. albumin and lipoproteins), and this in turn results in altered drug distribution and pharmacokinetic profiles, where the changes can be 'general' (e.g. prolonged plasma half-life) or 'specific' (e.g. enhanced delivery to specific tissues in parallel with the macromolecular carriers). Another utility of LCs is to enhance the encapsulation of drugs within engineered nanoscale drug delivery systems, in order to best take advantage of the targeting and pharmacokinetic benefits of nanomedicines. The current review provides a summary of the mechanisms by which lipophilic conjugates, including in combination with delivery vehicles, can be used to control drug delivery, distribution and therapeutic profiles. The article is structured into sections which highlight a specific benefit of LCs and then demonstrate this benefit with case studies. The review attempts to provide a toolbox to assist researchers to design and optimise drug candidates, including consideration of drug-formulation compatibility.
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Affiliation(s)
- Sifei Han
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC, 3052, Australia.
- Suzhou Institute of Drug Innovation, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Suzhou, Jiangsu, 215123, China.
| | - Lianghe Mei
- Suzhou Institute of Drug Innovation, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Suzhou, Jiangsu, 215123, China
| | - Tim Quach
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC, 3052, Australia
- PureTech Health, 6 Tide Street, Boston, MA, 02210, USA
| | - Chris Porter
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC, 3052, Australia
| | - Natalie Trevaskis
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC, 3052, Australia.
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Gabizon A, Shmeeda H, Tahover E, Kornev G, Patil Y, Amitay Y, Ohana P, Sapir E, Zalipsky S. Development of Promitil®, a lipidic prodrug of mitomycin c in PEGylated liposomes: From bench to bedside. Adv Drug Deliv Rev 2020; 154-155:13-26. [PMID: 32777239 DOI: 10.1016/j.addr.2020.07.027] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/28/2020] [Accepted: 07/31/2020] [Indexed: 12/16/2022]
Abstract
Several liposome products have been approved for the treatment of cancer. In all of them, the active agents are encapsulated in the liposome water phase passively or by transmembrane ion gradients. An alternative approach in liposomal drug delivery consists of chemically modifying drugs to form lipophilic prodrugs with strong association to the liposomal bilayer. Based on this approach, we synthesized a mitomycin c-derived lipidic prodrug (MLP) which is entrapped in the bilayer of PEGylated liposomes (PL-MLP, Promitil®), and activated by thiolytic cleavage. PL-MLP is stable in plasma with thiolytic activation of MLP occurring exclusively in tissues and is more effective and less toxic than conventional chemotherapy in various tumor models. PL-MLP has completed phase I clinical development where it has shown a favorable safety profile and a 3-fold reduction in toxicity as compared to free mitomycin c. Clinical and pharmacokinetic studies in patients with advanced colo-rectal carcinoma have indicated a significant rate of disease stabilization (39%) in this chemo-refractory population and significant prolongation of median survival in patients attaining stable disease (13.9 months) versus progressive disease patients (6.35 months). The pharmacokinetics of MLP was typically stealth with long T½ (~1 day), slow clearance and small volume of distribution. Interestingly, a longer T½, and slower clearance were both correlated with disease stabilization and longer survival. This association of pharmacokinetic parameters with patient outcome suggests that arrest of tumor growth is related to the enhanced tumor localization of long-circulating liposomes and highlights the importance of personalized pharmacokinetic evaluation in the clinical use of nanomedicines. Another important area where PL-MLP may have an added value is in chemoradiotherapy, where it has shown a strong radiosensitizing effect in animal models based on a unique mechanism of enhanced prodrug activation and encouraging results in early human testing.
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Márquez MG, Dotson R, Pias S, Frolova LV, Tartis MS. Phospholipid prodrug conjugates of insoluble chemotherapeutic agents for ultrasound targeted drug delivery. Nanotheranostics 2020; 4:40-56. [PMID: 31911893 PMCID: PMC6940203 DOI: 10.7150/ntno.37738] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 12/01/2019] [Indexed: 12/19/2022] Open
Abstract
The hydrophobicity and high potency of many therapeutic agents makes them difficult to use effectively in clinical practice. This work focuses on conjugating phospholipid tails (2T) onto podophyllotoxin (P) and its analogue (N) using a linker and characterizing the effects of their incorporation into lipid-based drug delivery vehicles for triggered ultrasound delivery. Differential Scanning Calorimetry results show that successfully synthesized lipophilic prodrugs, 2T-P (~28 % yield) and 2T-N(~26 % yield), incorporate within the lipid membranes of liposomes. As a result of this, increased stability and incorporation are observed in 2T-P and 2T-N in comparison to the parent compounds P and N. Molecular dynamic simulation results support that prodrugs remain within the lipid membrane over a relevant range of concentrations. 2T-N's (IC50: 20 nM) biological activity was retained in HeLa cells (cervical cancer), whereas 2T-P's (IC50: ~4 µM) suffered, presumably due to steric hindrance. Proof-of-concept studies using ultrasound in vitro microbubble and nanodroplet delivery vehicles establish that these prodrugs are capable of localized drug delivery. This study provides useful information about the synthesis of double tail analogues of insoluble chemotherapeutic agents to facilitate incorporation into drug delivery vehicles. The phospholipid attachment strategy presented here could be applied to other well suited drugs such as gemcitabine, commonly known for its treatment of pancreatic cancer.
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Affiliation(s)
- Mendi G Márquez
- Materials Engineering, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, USA.,Chemical Engineering, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, USA
| | - Rachel Dotson
- Departments of Chemistry, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, USA
| | - Sally Pias
- Departments of Chemistry, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, USA
| | - Liliya V Frolova
- Departments of Chemistry, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, USA
| | - Michaelann S Tartis
- Materials Engineering, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, USA.,Chemical Engineering, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, USA
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Hernandez-Delgadillo R, García-Cuéllar CM, Sánchez-Pérez Y, Pineda-Aguilar N, Martínez-Martínez MA, Rangel-Padilla EE, Nakagoshi-Cepeda SE, Solís-Soto JM, Sánchez-Nájera RI, Nakagoshi-Cepeda MAA, Chellam S, Cabral-Romero C. In vitro evaluation of the antitumor effect of bismuth lipophilic nanoparticles (BisBAL NPs) on breast cancer cells. Int J Nanomedicine 2018; 13:6089-6097. [PMID: 30323596 PMCID: PMC6179729 DOI: 10.2147/ijn.s179095] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Aim The objective of this study was to evaluate the antitumor activity of lipophilic bismuth nanoparticles (BisBAL NPs) on breast cancer cells. Materials and methods The effect of varying concentrations of BisBAL NPs was evaluated on human MCF-7 breast cancer cells and on MCF-10A fibrocystic mammary epitheliocytes as noncancer control cells. Cell viability was evaluated with the MTT assay, plasma membrane integrity was analyzed with the calcein AM assay, genotoxicity with the comet assay, and apoptosis with the Annexin V/7-AAD assay. Results BisBAL NPs were spherical in shape (average diameter, 28 nm) and agglomerated into dense electronic clusters. BisBAL NP induced a dose-dependent growth inhibition. Most importantly, growth inhibition was higher for MCF-7 cells than for MCF-10A cells. At 1 µM BisBAL NP, MCF-7 growth inhibition was 51%, while it was 11% for MCF-10A; at 25 µM BisBAL NP, the growth inhibition was 81% for MCF-7 and 24% for MCF-10A. With respect to mechanisms of action, a 24-hour exposure of 10 and 100 µM BisBAL NP caused loss of cell membrane integrity and fragmentation of tumor cell DNA. BisBAL NPs at 10 µM were genotoxic to and caused apoptosis of breast cancer cells. Conclusion BisBAL NP-induced growth inhibition is dose dependent, and breast cancer cells are more vulnerable than noncancer breast cells. The mechanism of action of BisBAL NPs may include loss of plasma membrane integrity and a genotoxic effect on the genomic DNA of breast cancer cells.
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Affiliation(s)
- Rene Hernandez-Delgadillo
- Universidad Autónoma de Nuevo León, UANL, Facultad de Odontología, Laboratorio de Biología Molecular, Monterrey, Nuevo León, México,
| | | | | | - Nayely Pineda-Aguilar
- Centro de Investigación en Materiales Avanzados, S.C. (CIMAV), Unidad Monterrey, Nuevo León, México
| | - Marco Antonio Martínez-Martínez
- Universidad Autónoma de Nuevo León, UANL, Facultad de Odontología, Laboratorio de Biología Molecular, Monterrey, Nuevo León, México,
| | - Eyra Elvyra Rangel-Padilla
- Universidad Autónoma de Nuevo León, UANL, Facultad de Odontología, Laboratorio de Biología Molecular, Monterrey, Nuevo León, México,
| | - Sergio Eduardo Nakagoshi-Cepeda
- Universidad Autónoma de Nuevo León, UANL, Facultad de Odontología, Laboratorio de Biología Molecular, Monterrey, Nuevo León, México,
| | - Juan Manuel Solís-Soto
- Universidad Autónoma de Nuevo León, UANL, Facultad de Odontología, Laboratorio de Biología Molecular, Monterrey, Nuevo León, México,
| | - Rosa Isela Sánchez-Nájera
- Universidad Autónoma de Nuevo León, UANL, Facultad de Odontología, Laboratorio de Biología Molecular, Monterrey, Nuevo León, México,
| | | | | | - Claudio Cabral-Romero
- Universidad Autónoma de Nuevo León, UANL, Facultad de Odontología, Laboratorio de Biología Molecular, Monterrey, Nuevo León, México,
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Gollnest T, de Oliveira TD, Schols D, Balzarini J, Meier C. Lipophilic prodrugs of nucleoside triphosphates as biochemical probes and potential antivirals. Nat Commun 2015; 6:8716. [PMID: 26503889 PMCID: PMC4640093 DOI: 10.1038/ncomms9716] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Accepted: 09/23/2015] [Indexed: 12/18/2022] Open
Abstract
The antiviral activity of nucleoside reverse transcriptase inhibitors is often limited by ineffective phosphorylation. We report on a nucleoside triphosphate (NTP) prodrug approach in which the γ-phosphate of NTPs is bioreversibly modified. A series of TriPPPro-compounds bearing two lipophilic masking units at the γ-phosphate and d4T as a nucleoside analogue are synthesized. Successful delivery of d4TTP is demonstrated in human CD4+ T-lymphocyte cell extracts by an enzyme-triggered mechanism with high selectivity. In antiviral assays, the compounds are potent inhibitors of HIV-1 and HIV-2 in CD4+ T-cell (CEM) cultures. Highly lipophilic acyl residues lead to higher membrane permeability that results in intracellular delivery of phosphorylated metabolites in thymidine kinase-deficient CEM/TK− cells with higher antiviral activity than the parent nucleoside. Charged phosphorylated metabolite such as nucleoside tri-phosphates exhibit poor membrane permeability due to their high polarity, limiting their utility as drugs or cellular probes. Here the authors develop a method to render nucleoside triphosphates cell permeable and allows their release by an enzyme-triggered mechanism.
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Affiliation(s)
- Tristan Gollnest
- Institute of Organic Chemistry, Department of Chemistry, Faculty of Sciences, University of Hamburg, Martin-Luther-King-Platz 6, D-20146 Hamburg, Germany
| | - Thiago Dinis de Oliveira
- Institute of Organic Chemistry, Department of Chemistry, Faculty of Sciences, University of Hamburg, Martin-Luther-King-Platz 6, D-20146 Hamburg, Germany
| | - Dominique Schols
- Department of Microbiology and Immunology, Laboratory of Virology and Chemotherapy, Rega Institute for Medical Research, KU Leuven, Minderbroedersstraat 10, B-3000 Leuven, Belgium
| | - Jan Balzarini
- Department of Microbiology and Immunology, Laboratory of Virology and Chemotherapy, Rega Institute for Medical Research, KU Leuven, Minderbroedersstraat 10, B-3000 Leuven, Belgium
| | - Chris Meier
- Institute of Organic Chemistry, Department of Chemistry, Faculty of Sciences, University of Hamburg, Martin-Luther-King-Platz 6, D-20146 Hamburg, Germany
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Guo H, Sun S, Yang Z, Tang X, Wang Y. Strategies for ribavirin prodrugs and delivery systems for reducing the side-effect hemolysis and enhancing their therapeutic effect. J Control Release 2015; 209:27-36. [DOI: 10.1016/j.jconrel.2015.04.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 04/08/2015] [Accepted: 04/12/2015] [Indexed: 12/16/2022]
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Peters GJ. Novel developments in the use of antimetabolites. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2015; 33:358-74. [PMID: 24940694 DOI: 10.1080/15257770.2014.894197] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Antimetabolites are the most widely used and most efficacious group of anticancer drugs. Antimetabolites are also the oldest rationally designed anticancer drugs, targeted against RNA and DNA, and can, therefore, be considered as the first generation of targeted drugs. Unfortunately, resistance often develops, leading to the design of new antimetabolites, which either have a novel mechanism of action, bypass resistance or in combination enhance the effect of other drugs, such as another antimetabolite, other DNA, or protein kinase targeted anticancer drugs. Several novel antimetabolites are in clinical development. The cytidine-analog fluorocyclopentenylcytosine (RX-3117) is active in gemcitabine-resistant tumors and is activated by uridine-cytidine-kinase, can be incorporated into RNA and DNA and can downregulate DNA-methyltransferase-1. TAS-114 is a new generation dUTPase inhibitor. dUTPase normally prevents incorporation of dUTP and of the 5FU-nucleotide FdUTP into DNA. However, inhibition of dUTPase will enhance their incorporation, thereby increasing thymine-less cell-death. The formulation TAS-102 (trifluorothymidine and thymidine-phosphorylase-inhibitor) acts by incorporation into DNA and has shown efficacy in tumors progressing on 5FU therapy. Gemcitabine and cytarabine prodrugs were tested in model systems and have entered clinical evaluation. The elaidic-acid prodrugs of gemcitabine (CP-4126, CO101) and cytarabine (elacytarabine) failed in randomized Phase III studies. Two other gemcitabine prodrugs LY2334737 (gemcitabine with a valproic acid at the 5'-position) and NUC1031 (a 5'-arylphosphoamidate prodrug, with a side-chain at the 5'-phosphate) are in early clinical development. In summary, several novel antimetabolites show promise in clinical development, either because of a novel mechanism of action, or clever combination or by innovative prodrug design.
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Affiliation(s)
- Godefridus J Peters
- a Department of Medical Oncology , VU University Medical Center , 1081 HV , Amsterdam , The Netherlands
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Rateb NM, El-Deab HA, Abdou IM. Antimicrobial evaluation of new synthesized pyridine nucleosides under solvent-free conditions. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2014; 32:493-509. [PMID: 24079273 DOI: 10.1080/15257770.2013.827206] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Two series of novel 3-cyano-2-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyloxo) pyridines and 3-cyano-2-(2,3,5-tri-O-acetyl-β-D-ribofuranosyloxy)-4-trifluromethyl-6-phenyl pyridine were synthesized using efficient microwave methods. The targeted compounds were obtained in high yields by reacting 2-(1H)-pyridone or its salt with activated sugars using SiO₂ under solvent-free conditions. Ammonolysis of the resulted acetylated nucleosides produced 3-cyano-2-(β-D-glucopyranosyloxo)-pyridines and 3-cyano-2-(β-D-ribofuranosyloxy)-4-trifluoromethyl-6-phenyl pyridine. These new products were fully characterized using 1D and 2D NMR. These compounds were screened for their antibacterial activities against G(+) and G(-) bacteria and some found to exhibit better antibacterial activities than the control drug.
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Affiliation(s)
- Nora M Rateb
- a Department of Chemistry, Faculty of Science , Cairo University , Cairo , Egypt
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