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Husain A, Monga J, Narwal S, Singh G, Rashid M, Afzal O, Alatawi A, Almadani NM. Prodrug Rewards in Medicinal Chemistry: An Advance and Challenges Approach for Drug Designing. Chem Biodivers 2023; 20:e202301169. [PMID: 37833241 DOI: 10.1002/cbdv.202301169] [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: 08/04/2023] [Revised: 10/09/2023] [Accepted: 10/11/2023] [Indexed: 10/15/2023]
Abstract
This article emphasizes the importance of prodrugs and their diverse spectrum of effects in the field of developing novel drugs for a variety of biological applications. Prodrugs are chemicals that are supplied inactively, but then go through enzymatic and chemical transformation in vivo to release the active parent medication that can have the desired pharmacological effect. By adding an inactive chemical moiety, prodrugs are improved in a number of ways that contribute to their potency and durability. For the purpose of illustrating the usefulness of the prodrug approach, this review covers examples of prodrugs that have been made available or are now undergoing human trials. Additionally, it included lists of the most common functional groups, carrier linkers, and reactive chemicals that can be used to create prodrugs. The current study also provides a brief introduction, several chemical methods and modifications for creating prodrugs and mutual prodrugs, as well as an explanation of recent advancements and difficulties in the field of prodrug design. The primary chemical carriers employed in the creation of prodrugs, such as esters, amides, imides, NH-acidic carriers, amines, alcohols, carbonyl, carboxylic, and azo-linkages, are also discussed. This review also discusses glycosidic and triglyceride mutually activated prodrugs, which aim to deliver the drugs after bioconversion at the intended site of action. The article also discusses the extensive chemistry and wide variety of applications of recently approved prodrugs, such as antibacterial, anti-inflammatory, cardiovascular, antiplatelet, antihypertensive, atherosclerotic, antiviral, etc. In order to illustrate the prodrug and mutual drug concept's various applications and highlight its many triumphs in overcoming the formulation and delivery of problematic pharmaceuticals, this work represents a thorough guide that includes the synthetic moiety for the reader.
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Affiliation(s)
- Asif Husain
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110064, India
| | - Jyoti Monga
- Ch. Devi Lal College of Pharmacy, Jagadhri, 135003, Haryana, India
| | - Smita Narwal
- Global Research Institute of Pharmacy, Nachraun, Radaur, 135133, Haryana, India
| | - Gurvirender Singh
- Institute of Pharmaceutical Sciences, Kurukshetra University Kurukshetra-136119, Haryana, India
| | - Mohammad Rashid
- Department of Pharmacognosy and Pharmaceutical Chemistry, College of Dentistry and Pharmacy, Buraydah Private Colleges, Buraydah, 51418, Saudi Arabia
| | - Obaid Afzal
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al Kharj, 11942, Saudi Arabia
| | - Abdurahhman Alatawi
- Clinical Pharmacist, Pharmaceutical Care Department, King Fahad Specialized Hospital, Tabuk, 47717, Saudi Arabia
| | - Norah M Almadani
- Biochemistry Department, Faculty of Science, University of Tabuk, Tabuk, 47914, Saudi Arabia
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De Rosa M, Verdino A, Soriente A, Marabotti A. The Odd Couple(s): An Overview of Beta-Lactam Antibiotics Bearing More Than One Pharmacophoric Group. Int J Mol Sci 2021; 22:E617. [PMID: 33435500 PMCID: PMC7826672 DOI: 10.3390/ijms22020617] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/05/2021] [Accepted: 01/06/2021] [Indexed: 01/15/2023] Open
Abstract
β-lactam antibiotics are among the most important and widely used antimicrobials worldwide and are comprised of a large family of compounds, obtained by chemical modifications of the common scaffolds. Usually these modifications include the addition of active groups, but less frequently, molecules were synthesized in which either two β-lactam rings were joined to create a single bifunctional compound, or the azetidinone ring was joined to another antibiotic scaffold or another molecule with a different activity, in order to create a molecule bearing two different pharmacophoric functions. In this review, we report some examples of these derivatives, highlighting their biological properties and discussing how this strategy can lead to the development of innovative antibiotics that can represent either novel weapons against the rampant increase of antimicrobial resistance, or molecules with a broader spectrum of action.
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Affiliation(s)
- Margherita De Rosa
- Department of Chemistry and Biology “A. Zambelli”, University of Salerno, 84084 Fisciano (SA), Italy; (A.V.); (A.S.)
| | | | | | - Anna Marabotti
- Department of Chemistry and Biology “A. Zambelli”, University of Salerno, 84084 Fisciano (SA), Italy; (A.V.); (A.S.)
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Antibiotic Hybrids: the Next Generation of Agents and Adjuvants against Gram-Negative Pathogens? Clin Microbiol Rev 2018. [PMID: 29540434 DOI: 10.1128/cmr.00077-17] [Citation(s) in RCA: 176] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The global incidence of drug-resistant Gram-negative bacillary infections has been increasing, and there is a dire need to develop novel strategies to overcome this problem. Intrinsic resistance in Gram-negative bacteria, such as their protective outer membrane and constitutively overexpressed efflux pumps, is a major survival weapon that renders them refractory to current antibiotics. Several potential avenues to overcome this problem have been at the heart of antibiotic drug discovery in the past few decades. We review some of these strategies, with emphasis on antibiotic hybrids either as stand-alone antibacterial agents or as adjuvants that potentiate a primary antibiotic in Gram-negative bacteria. Antibiotic hybrid is defined in this review as a synthetic construct of two or more pharmacophores belonging to an established agent known to elicit a desired antimicrobial effect. The concepts, advances, and challenges of antibiotic hybrids are elaborated in this article. Moreover, we discuss several antibiotic hybrids that were or are in clinical evaluation. Mechanistic insights into how tobramycin-based antibiotic hybrids are able to potentiate legacy antibiotics in multidrug-resistant Gram-negative bacilli are also highlighted. Antibiotic hybrids indeed have a promising future as a therapeutic strategy to overcome drug resistance in Gram-negative pathogens and/or expand the usefulness of our current antibiotic arsenal.
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Abstract
Antibacterial discovery research has been driven, medically, commercially and intellectually, by the need for new therapeutics that are not subject to the resistance mechanisms that have evolved to combat previous generations of antibacterial agents. This need has often been equated with the identification and exploitation of novel targets. But efforts towards discovery and development of inhibitors of novel targets have proved frustrating. It might be that the 'good old targets' are qualitatively different from the crop of all possible novel targets. What has been learned from existing targets that can be applied to the quest for new antibacterials?
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Affiliation(s)
- Lynn L Silver
- LL Silver Consulting, Springfield, New Jersey 07081, USA.
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Pace JL, Yang G. Glycopeptides: Update on an old successful antibiotic class. Biochem Pharmacol 2006; 71:968-80. [PMID: 16412985 DOI: 10.1016/j.bcp.2005.12.005] [Citation(s) in RCA: 78] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2005] [Revised: 12/04/2005] [Accepted: 12/07/2005] [Indexed: 11/21/2022]
Abstract
The natural product glycopeptides vancomycin and teicoplanin have come to play a significant role in the therapy for Gram-positive bacterial infections. In particular vancomycin is the choice for empiric therapy of these infections primarily due to its activity against and the significance of methicillin-resistant Staphylococcus aureus. While high-level problematic glycopeptide resistance among enterococci was observed initially and continues to increase, the slow creep of vancomycin intermediate susceptibility and the fear of frank resistance among the staphylococci have precipitated increasing work leading to creation of new semisynthetic analogs. These new agents, including dalbavancin and telavancin, are within 1-2 years availability in the clinic. Interestingly, chemical modifications resulting in these second-generation analogs and additional characterization have revealed new mechanisms of antibacterial action, and plasticity regarding additional properties including pharmacokinetics for the drug candidates. The unique beneficial properties of the near term vancomycin replacements, semisynthesis of additional important analogs, and advances in metabolic engineering resulting in novel scaffolds signal a new era for the glycopeptide antibiotics.
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Affiliation(s)
- John L Pace
- Protez Pharmaceuticals Inc., 30 Spring Mill Drive, Malvern, PA 19355, USA.
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Bryskier A. Dual beta-lactam-fluoroquinolone compounds: a novel approach to antibacterial treatment. Expert Opin Investig Drugs 2005; 6:1479-99. [PMID: 15989514 DOI: 10.1517/13543784.6.10.1479] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Codrugs comprise a beta-lactam-fluoroquinolone antibacterial hybrid. These new agents have been developed with the aim of enhancing the antibacterial spectrum of current therapies, overcoming intrinsic and acquired resistance, and diminishing severe side-effects. A few compounds, including Ro 23-9424, have entered Phase I clinical trials. Furthermore, a series of oral codrugs have been synthesised, although clear oral bioavailability has not yet been demonstrated. New drugs are urgently needed to treat Gram-positive resistant bacteria.
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Affiliation(s)
- A Bryskier
- Hoechst Marion Roussel, Anti-infective Research Clinical Pharmacology, 102 Route de Noisy, 93230 Romainville Cedex, France
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Hershberger PM, Demuth TP. Concept, design, and preclinical evaluation of quinolonyl lactam antibacterials. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2001; 456:239-67. [PMID: 10549372 DOI: 10.1007/978-1-4615-4897-3_13] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- P M Hershberger
- Procter & Gamble Pharmaceuticals, Health Care Research Center Mason, Ohio 45040, USA
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Allen NE. Biochemical mechanisms of resistance to non-cell wall antibacterial agents. PROGRESS IN MEDICINAL CHEMISTRY 1995; 32:157-238. [PMID: 8577918 DOI: 10.1016/s0079-6468(08)70454-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- N E Allen
- Infectious Disease Research, Eli Lilly and Company, Indianapolis, IN 46285, USA
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Georgopapadakou NH, McCaffrey C. beta-Lactamase hydrolysis of cephalosporin 3'-quinolone esters, carbamates, and tertiary amines. Antimicrob Agents Chemother 1994; 38:959-62. [PMID: 8067776 PMCID: PMC188133 DOI: 10.1128/aac.38.5.959] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
The beta-lactam hydrolysis of five cephalosporin 3'-quinolones (dual-action cephalosporins) by three gram-negative beta-lactamases was examined. The dual-action cephalosporins tested were the ester Ro 23-9424; the carbamates Ro 25-2016, Ro 25-4095, and Ro 25-4835; and the tertiary amine Ro 25-0534. Also tested were cephalosporins with similar side chains (cefotaxime, desacetylcefotaxime, cephalothin, cephacetrile, and Ro 09-1227 [SR 0124]) and standard beta-lactams (penicillin G, cephaloridine). The beta-lactamases used were the plasmid-mediated TEM-1 and TEM-3 enzymes and the chromosomal AmpC. The cephacetrile-related compounds Ro 25-4095 and Ro 25-4835 were hydrolyzed by all three beta-lactamases with catalytic efficiencies (relative to penicillin G) ranging from approximately 5 (TEM-1, AmpC) to approximately 25 (TEM-3). The cephalothin-related Ro 25-2016 was also hydrolyzed by all three beta-lactamases, particularly the AmpC enzyme (relative catalytic efficiency, 110). The cefotaxime-related compounds Ro 25-0534 and Ro 23-9424 were hydrolyzed to any significant extent only by the TEM-3 enzyme (relative catalytic efficiencies, 1.2 and 4.7, respectively.
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Affiliation(s)
- N H Georgopapadakou
- Department of Antibacterial Research, Roche Research Center, Nutley, NJ 07110-1199
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Jones RN, Sanchez ML. Antimicrobial activity of a new antipseudomonal dual-action drug, Ro 25-0534. Diagn Microbiol Infect Dis 1994; 18:61-8. [PMID: 8026159 DOI: 10.1016/0732-8893(94)90135-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Ro 25-0534, a tertiary amine-linked dual action combination (DAC) of a catechol cephalosporin and ciprofloxacin, was compared with a previously described DAC (Ro 23-9424), ciprofloxacin and cefotaxime. A total of 688 recent clinical isolates were tested and an additional collection of 110 Gram-negative bacilli possessing documented resistance to broad-spectrum antimicrobials were used. Ro 25-0534 was active against all tested species of Enterobacteriaceae (MIC90 range, 0.06-2 micrograms/ml), oxacillin-susceptible staphylococci, beta-hemolytic streptococci, and penicillin-susceptible pneumococci (MIC90 range, 1-2 micrograms/ml). Haemophilus influenzae (MIC90 range, 0.25-0.5 micrograms/ml), Moraxella catarrhalis (MIC90, 0.5 microgram/ml), and most nonenteric Gram-negative bacilli (MIC90 range, 2-4 micrograms/ml) such as Pseudomonas aeruginosa, Acinetobacter spp., and Xanthomonas maltophilia. Enterococci and Bacteroides fragilis isolates were resistant to Ro 25-0534. The Ro 25-0354 potency against most susceptible strains was generally severalfold less than that of Ro 23-9424 (except for Pseudomonas-Xanthomonas) or ciprofloxacin alone.
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Affiliation(s)
- R N Jones
- Anti-Infectives Research Center, University of Iowa College of Medicine, Iowa City 52242
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Qadri SM, Ueno Y, Saldin H, Cunha BA. In vitro activity of Ro 23-9424, a dual-acting cephalosporin-quinolone antimicrobial agent. J Clin Pharmacol 1993; 33:923-8. [PMID: 8227462 DOI: 10.1002/j.1552-4604.1993.tb01923.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
In vitro activity of new dual-acting antibacterial Ro 23-9429 was tested against 1294 bacterial isolates from patients in a major tertiary care referral hospital in Saudi Arabia. Its activity was compared with that of ciprofloxacin, fleroxacin, ampicillin, cephalothin, cefoxitin, cefotaxime, ceftazidime, piperacillin, oxacillin, gentamicin, amikacin, imipenem, and vancomycin. Of the 621 members of Enterobacteriaceae tested, every single isolate was inhibited by Ro 23-9429 at minimum inhibitory concentration ranging between < .03 and 8 micrograms/mL. No other antimicrobial tested was as active as this dual-acting cephalosporin-fluoroquinolone. Similarly, all of the 255 isolates of Acinetobacter, Aeromonas hydrophila, Pseudomonas aeruginosa, and Xanthomonas maltophilia were susceptible to Ro 23-9429. It inhibited all the 120 isolates of methicillin-resistant Staphylococcus aureus. Its in vitro activity against coagulase-negative staphylococci and enterococci was superior or comparable to that of other drugs that are commonly used in clinical practice.
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Affiliation(s)
- S M Qadri
- Microbiology Labs, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
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Georgopapadakou NH, Bertasso A. Mechanisms of action of cephalosporin 3'-quinolone esters, carbamates, and tertiary amines in Escherichia coli. Antimicrob Agents Chemother 1993; 37:559-65. [PMID: 8384817 PMCID: PMC187707 DOI: 10.1128/aac.37.3.559] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Cephalosporin 3'-quinolone esters, carbamates, and tertiary amines are potent antibiotics whose antibacterial activities reflect the action of both the beta-lactam and the quinolone components. The biological properties of representative compounds from each class were compared in Escherichia coli. All compounds bound to the essential PBP 3, inhibited DNA gyrase, and caused filamentation in growing cells. To distinguish between cephalosporin- and quinolone-induced filaments, nucleoid segregation was also examined, as quinolones disrupt nucleoid segregation while the beta-lactams do not (N. H. Georgopapadakou and A. Bertasso, Antimicrob. Agents Chemother. 35:2645-2648, 1991). The cephalosporin quinolone esters Ro 23-9424 and Ro 24-6392, at concentrations causing filamentation in E. coli ATCC 25922, did not affect nucleoid segregation after 1 h of incubation (cephalosporin response) but did not affect it after 2 h (quinolone response), indicating the release of free quinolone. Accordingly, only the quinolone response was produced in a strain possessing TEM-3, an expanded-spectrum beta-lactamase. The cephalosporin carbamate Ro 24-4383 and the tertiary amine Ro 24-8138 produced a quinolone response in E. coli ATCC 25922, though they produced a cephalosporin response in a quinolone-resistant strain. Carbamate and tertiary amine linkages are chemically more stable than the ester linkage, and both cephalosporin 3'-quinolone carbamates and tertiary amines are more potent inhibitors of DNA gyrase than are the corresponding esters. The results suggest that, while intact cephalosporin 3'-quinolone esters act as cephalosporins, carbamates and amines may possess both cephalosporin and quinolone activity in the intact molecule.
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Thomson KS, Sanders CC, Hayden ME. In vitro studies with five quinolones: evidence for changes in relative potency as quinolone resistance rises. Antimicrob Agents Chemother 1991; 35:2329-34. [PMID: 1804005 PMCID: PMC245380 DOI: 10.1128/aac.35.11.2329] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
A panel of 203 staphylococci, Enterobacteriaceae, Pseudomonas aeruginosa, and miscellaneous nonfermentative gram-negative bacilli were chosen for their various susceptibilities to ciprofloxacin. On the basis of agar dilution susceptibilities, each of the four taxonomic groups was divided into ciprofloxacin-susceptible, moderately resistant, and highly resistant subgroups, and each subgroup was then further analyzed for its susceptibility to the fluoroquinolones CI-960, CI-990, sparfloxacin, and ofloxacin. Although the MICs of each quinolone increased as ciprofloxacin resistance increased, the potency of CI-960 appeared to increase relative to the potencies of the other quinolones. Similarly, the MICs of sparfloxacin and ofloxacin appeared to be less affected by ciprofloxacin resistance than were the MICs of ciprofloxacin or CI-990. Single-step mutants of representative clinical isolates with different levels of ciprofloxacin resistance were selected to determine whether the study quinolones differed in their propensity to select resistant mutants and whether the presence of preexisting ciprofloxacin resistance influenced the subsequent development of resistance. Each of the five fluoroquinolones and nalidixic acid selected mutants that exhibited generally modest decreases in quinolone susceptibility (4- to 16-fold). However, CI-960 inhibited significantly more mutants (80%) than did the other quinolones (39 to 59%) at a concentration of 1 microgram/ml. The presence of preexisting ciprofloxacin resistance appeared to be associated with higher mutational frequencies in coagulase-negative staphylococci exposed to each of the fluoroquinolones and in Serratia marcescens exposed to nalidixic acid. Preexisting ciprofloxacin resistance did not influence the development of resistance in the strains of Staphylococcus aureus, Escherichia coli, Klebsiella pneumoniae, or Pseudomonas aeruginosa that were studied. The results of this study suggest that quinolones are not affected equally by all resistance mechanisms, and although each one can select mutants, some quinolones may be active against these mutants at clinically achievable concentrations.
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Affiliation(s)
- K S Thomson
- Creighton University School of Medicine, Omaha, Nebraska 68178
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