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Subbaiah MAM, Rautio J, Meanwell NA. Prodrugs as empowering tools in drug discovery and development: recent strategic applications of drug delivery solutions to mitigate challenges associated with lead compounds and drug candidates. Chem Soc Rev 2024; 53:2099-2210. [PMID: 38226865 DOI: 10.1039/d2cs00957a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
The delivery of a drug to a specific organ or tissue at an efficacious concentration is the pharmacokinetic (PK) hallmark of promoting effective pharmacological action at a target site with an acceptable safety profile. Sub-optimal pharmaceutical or ADME profiles of drug candidates, which can often be a function of inherently poor physicochemical properties, pose significant challenges to drug discovery and development teams and may contribute to high compound attrition rates. Medicinal chemists have exploited prodrugs as an informed strategy to productively enhance the profiles of new chemical entities by optimizing the physicochemical, biopharmaceutical, and pharmacokinetic properties as well as selectively delivering a molecule to the site of action as a means of addressing a range of limitations. While discovery scientists have traditionally employed prodrugs to improve solubility and membrane permeability, the growing sophistication of prodrug technologies has enabled a significant expansion of their scope and applications as an empowering tool to mitigate a broad range of drug delivery challenges. Prodrugs have emerged as successful solutions to resolve non-linear exposure, inadequate exposure to support toxicological studies, pH-dependent absorption, high pill burden, formulation challenges, lack of feasibility of developing solid and liquid dosage forms, first-pass metabolism, high dosing frequency translating to reduced patient compliance and poor site-specific drug delivery. During the period 2012-2022, the US Food and Drug Administration (FDA) approved 50 prodrugs, which amounts to 13% of approved small molecule drugs, reflecting both the importance and success of implementing prodrug approaches in the pursuit of developing safe and effective drugs to address unmet medical needs.
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Affiliation(s)
- Murugaiah A M Subbaiah
- Department of Medicinal Chemistry, Biocon Bristol Myers Squibb R&D Centre, Biocon Park, Bommasandra Phase IV, Bangalore, PIN 560099, India.
| | - Jarkko Rautio
- School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Nicholas A Meanwell
- The Baruch S. Blumberg Institute, Doylestown, PA 18902, USA
- Department of Medicinal Chemistry, The College of Pharmacy, The University of Michigan, Ann Arbor, MI 48109, USA
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Vorontsova JE, Akishina AA, Cherezov RO, Simonova OB. A new insight into the aryl hydrocarbon receptor/cytochrome 450 signaling pathway in MG63, HOS, SAOS2, and U2OS cell lines. Biochimie 2023; 207:102-112. [PMID: 36332717 DOI: 10.1016/j.biochi.2022.10.018] [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: 06/17/2022] [Revised: 10/25/2022] [Accepted: 10/28/2022] [Indexed: 11/07/2022]
Abstract
Osteosarcoma is the most common malignant tumor of bone, with rapid progressive growth, early distant metastases, and frequent recurrence after surgical treatment. Osteosarcoma is characterized by changes in the ratio and expression of different cytochrome P450 (CYP) isoforms that can affect the effectiveness of anticancer therapies. The inducible expression of CYP1 genes depends on the ligand-dependent functionality of the aryl hydrocarbon receptor (AHR). In this study, we examined the AHR/CYP1 signaling pathway in four osteosarcoma cell lines (MG63, HOS, SAOS2, and U2OS) induced by the known AHR ligands: indirubin, indole-3-carbinol, and beta-naphthoflavone. Using qPCR and Western blot analysis, we explored the effects of these ligands on the expression of the CYP1 genes and studied the correlation between these responses and the changes in the mRNA and protein levels of AHR and the AHR nuclear translocator (ARNT) in these osteosarcoma cell lines. The results show that the AHR/CYP1 signaling pathway retains its function only in MG63 and HOS cells, and is impaired in SAOS2 and U2OS cells. Our data should be taken into account when recommending new strategies for the treatment of osteosarcoma and when evaluating new drugs against osteosarcoma in vitro.
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Affiliation(s)
- Julia E Vorontsova
- Kol'tsov Institute of Developmental Biology, Russian Academy of Sciences, Moscow, Russia.
| | - Angelina A Akishina
- Kol'tsov Institute of Developmental Biology, Russian Academy of Sciences, Moscow, Russia
| | - Roman O Cherezov
- Kol'tsov Institute of Developmental Biology, Russian Academy of Sciences, Moscow, Russia
| | - Olga B Simonova
- Kol'tsov Institute of Developmental Biology, Russian Academy of Sciences, Moscow, Russia
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Flanagan K, Kumari R, Miettinen JJ, Haney SL, Varney ML, Williams JT, Majumder MM, Suvela M, Slipicevic A, Lehmann F, Nupponen NN, Holstein SA, Heckman CA. The Peptide-Drug Conjugate Melflufen Modulates the Unfolded Protein Response of Multiple Myeloma and Amyloidogenic Plasma Cells and Induces Cell Death. Hemasphere 2022; 6:e687. [PMID: 35243210 PMCID: PMC8884539 DOI: 10.1097/hs9.0000000000000687] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 01/11/2022] [Indexed: 12/25/2022] Open
Abstract
Immunoglobulin light-chain (AL) amyloidosis is a rare disease caused by clonal plasma cell secretion of misfolded light chains that assemble as toxic amyloid fibrils, depositing in vital organs including the heart and kidneys, causing organ dysfunction. Plasma cell-directed therapeutics are expected to reduce production of toxic light chain by eliminating amyloidogenic cells in bone marrow, thereby diminishing amyloid fibril deposition and providing the potential for organ recovery. Melphalan flufenamide (melflufen) is a first-in-class peptide-drug conjugate that targets aminopeptidases and rapidly releases alkylating agents inside tumor cells. Melflufen is highly lipophilic, permitting rapid uptake by cells, where it is enzymatically hydrolyzed by aminopeptidases, resulting in intracellular accumulation of the alkylating agents, including melphalan. Previous data demonstrating sensitivity of myeloma cells to melflufen suggest that the drug might be useful in AL amyloidosis. We describe the effects of melflufen on amyloidogenic plasma cells in vitro and ex vivo, demonstrating enhanced cytotoxic effects in comparison to melphalan, as well as novel mechanisms of action through the unfolded protein response (UPR) pathway. These findings provide evidence that melflufen-mediated cytotoxicity extends to amyloidogenic plasma cells, and support the rationale for the evaluation of melflufen in patients with AL amyloidosis.
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Affiliation(s)
| | - Romika Kumari
- Institute for Molecular Medicine Finland - FIMM, HiLIFE – Helsinki Institute of Life Science, iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, Finland
| | - Juho J. Miettinen
- Institute for Molecular Medicine Finland - FIMM, HiLIFE – Helsinki Institute of Life Science, iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, Finland
| | - Staci L. Haney
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Michelle L. Varney
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Jacob T. Williams
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Muntasir M. Majumder
- Institute for Molecular Medicine Finland - FIMM, HiLIFE – Helsinki Institute of Life Science, iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, Finland
| | - Minna Suvela
- Institute for Molecular Medicine Finland - FIMM, HiLIFE – Helsinki Institute of Life Science, iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, Finland
| | | | | | | | - Sarah A. Holstein
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Caroline A. Heckman
- Institute for Molecular Medicine Finland - FIMM, HiLIFE – Helsinki Institute of Life Science, iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, Finland
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Al Shaer D, Al Musaimi O, Albericio F, de la Torre BG. 2021 FDA TIDES (Peptides and Oligonucleotides) Harvest. Pharmaceuticals (Basel) 2022; 15:ph15020222. [PMID: 35215334 PMCID: PMC8876803 DOI: 10.3390/ph15020222] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 02/06/2022] [Accepted: 02/11/2022] [Indexed: 12/11/2022] Open
Abstract
From the medical, pharmaceutical, and social perspectives, 2021 has been a year dominated by the COVID-19 pandemic. However, despite this global health crisis, the pharmaceutical industry has continued its endeavors, and 2021 could be considered an excellent year in terms of the drugs accepted by the US Food and Drug Administration (FDA). Thus, during this year, the FDA has approved 50 novel drugs, of which 36 are new chemical entities and 14 biologics. It has also authorized 10 TIDES (8 peptides, 2 oligonucleotides), in addition to 2 antibody-drug conjugates (ADCs) whose structures contain peptides. Thus, TIDES have accounted for about 24% of the approvals in the various drug categories. Importantly, this percentage has surpassed the figure in 2020 (10%), thus reflecting the remarkable success of TIDES. In this review, the approved TIDE-based drugs are analyzed on the basis of their chemical structure, medical target, mode of action, administration route, and adverse effects.
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Affiliation(s)
- Danah Al Shaer
- KRISP, School of Laboratory of Medicine and Medical Science, College of Health Sciences, University of KwaZulu-Natal, Durban 4001, South Africa; (D.A.S.); (B.G.d.l.T.)
| | - Othman Al Musaimi
- Surfaces and Particle Engineering Laboratory, Department of Chemical Engineering, Imperial College London, London SW7 2AZ, UK;
| | - Fernando Albericio
- School of Chemistry and Physics, University of KwaZulu-Natal, Durban 4001, South Africa
- CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Department of Organic Chemistry, University of Barcelona, 08028 Barcelona, Spain
- Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), 08034 Barcelona, Spain
- Correspondence: ; Tel.: +27-614-009-144
| | - Beatriz G. de la Torre
- KRISP, School of Laboratory of Medicine and Medical Science, College of Health Sciences, University of KwaZulu-Natal, Durban 4001, South Africa; (D.A.S.); (B.G.d.l.T.)
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Morabito F, Tripepi G, Martino EA, Vigna E, Mendicino F, Morabito L, Todoerti K, Al-Janazreh H, D'Arrigo G, Canale FA, Cutrona G, Neri A, Martino M, Gentile M. Spotlight on Melphalan Flufenamide: An Up-and-Coming Therapy for the Treatment of Myeloma. DRUG DESIGN DEVELOPMENT AND THERAPY 2021; 15:2969-2978. [PMID: 34262262 PMCID: PMC8275138 DOI: 10.2147/dddt.s295215] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 06/22/2021] [Indexed: 01/08/2023]
Abstract
Despite recent therapeutic advances, multiple myeloma (MM) patients experience relapses as they become resistant to various classes and combinations of treatment. Melphalan (L-PAM) is an ageless drug. However, its use in the autologous stem cell transplantation (ASCT) setting and the innovative quadruplet regimen as well as daratumumab, bortezomib, and prednisone make this old drug current yet. Melflufen is a peptide-conjugated alkylator belonging to a novel class of compounds, representing an overcoming of L-PAM in terms of mechanism of action and effectiveness. The improved melflufen cytotoxicity is related to aminopeptidase activity, notably present in normal and neoplastic cells and remarkably heavily overexpressed in MM cells. Upon entering a cell, melflufen is cleaved by aminopeptidases, ultimately releasing the L-PAM payload and eliciting further the inflow and cleavage of the conjugated peptide. This virtuous loop persists until all extracellular melflufen has been utilized. The aminopeptidase-driven accumulation results in a 50-fold increase in L-PAM cell enrichment as compared with free alkylator. This condition produces selective cytotoxicity, increased on-target cell potency, and decreased off-target cell toxicity, ultimately overcoming resistance pathways triggered by previous treatments, including alkylators. Due to its distinct mechanism of action, melflufen plus dexamethasone as a doublet, and in combination with other novel drugs, has the potential to be beneficial for a broad range of patients with relapsed/refractory (RR) MM in third- or even in second-line therapy. The safety profile of melflufen has been consistent across studies, and no new safety concerns have been identified when melflufen was administered in doublet and triplet combinations. Based on growing clinical evidence, melflufen could be not only a good addition in the fight against RRMM but also a drug with a very favorable tolerability profile.
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Affiliation(s)
- Fortunato Morabito
- Biotechnology Research Unit, AO of Cosenza, Cosenza, Italy.,Hematology and Bone Marrow Transplant Unit, Hemato-Oncology Department, Augusta Victoria Hospital, East Jerusalem, Israel
| | - Giovanni Tripepi
- HCNR-IBIM, Clinical Epidemiology and Physiopathology of Renal Diseases and Hypertension of Reggio Calabria, Reggio, Calabria, Italy
| | | | | | | | - Lucio Morabito
- Humanitas Clinical and Research Center-IRCCS, Rozzano, Milan, Italy
| | - Katia Todoerti
- Hematology, Fondazione Cà Granda IRCCS Policlinico, Milan, Italy
| | - Hamdi Al-Janazreh
- Hematology and Bone Marrow Transplant Unit, Hemato-Oncology Department, Augusta Victoria Hospital, East Jerusalem, Israel
| | - Graziella D'Arrigo
- HCNR-IBIM, Clinical Epidemiology and Physiopathology of Renal Diseases and Hypertension of Reggio Calabria, Reggio, Calabria, Italy
| | - Filippo Antonio Canale
- Stem Cell Transplant Program, Clinical Section, Department of Hemato-Oncology and Radiotherapy, Grande Ospedale Metropolitano "Bianchi-Melacrino-Morelli", Reggio, Calabria, Italy
| | | | - Antonino Neri
- Hematology, Fondazione Cà Granda IRCCS Policlinico, Milan, Italy.,IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Massimo Martino
- Department of Oncology and Hemato-oncology, University of Milan, Milan, Italy
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Novel Peptide-drug Conjugate Melflufen Efficiently Eradicates Bortezomib-resistant Multiple Myeloma Cells Including Tumor-initiating Myeloma Progenitor Cells. Hemasphere 2021; 5:e602. [PMID: 34136753 PMCID: PMC8202573 DOI: 10.1097/hs9.0000000000000602] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 05/18/2021] [Indexed: 11/26/2022] Open
Abstract
Introduction of the proteasome inhibitor bortezomib has dramatically improved clinical outcomes in multiple myeloma. However, most patients become refractory to bortezomib-based therapies. On the molecular level, development of resistance to bortezomib in myeloma cells is accompanied by complex metabolic changes resulting in increased protein folding capacity, and less dependency on the proteasome. In this study, we show that aminopeptidase B, encoded by the RNPEP gene, is upregulated in bortezomib-resistant myeloma cell lines, and in a murine in vivo model. Moreover, increased RNPEP expression is associated with shorter survival in multiple myeloma patients previously treated with bortezomib-containing regimens. Additionally, expression is increased in plasma cell precursors, a B-lymphoid compartment previously associated with myeloma stem cells. We hypothesized that increased aminopeptidase B expression in aggressive myeloma clones may be used therapeutically toward elimination of the cells via the use of a novel peptide-drug conjugate, melphalan flufenamide (melflufen). Melflufen, a substrate of aminopeptidase B, efficiently eliminates bortezomib-resistant myeloma cells in vitro and in vivo, and completely suppresses clonogenic myeloma growth in vitro at subphysiological concentrations. Thus, melflufen represents a novel treatment option that is able to eradicate drug-resistant myeloma clones characterized by elevated aminopeptidase B expression.
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Holstein SA, Hillengass J, McCarthy PL. Melflufen: A Next-Generation Nitrogen Mustard. J Clin Oncol 2021; 39:836-839. [PMID: 33439689 DOI: 10.1200/jco.20.03326] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
- Sarah A Holstein
- Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE
| | - Jens Hillengass
- Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY
| | - Philip L McCarthy
- Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY
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