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Protease Inhibitors in the Clinic

[ Vol. 1 , Issue. 1 ]

Author(s):

Giovanni Abbenante and David P. Fairlie   Pages 71 - 104 ( 34 )

Abstract:


This review describes the clinical status (based on available information) of experimental drugs that inhibit enzymes called proteases, or more precisely a sub-class of proteases called peptidases that catalyse the hydrolysis of polypeptide main chain amide bonds. These peptidases are classified by the key catalytic residue in the active site of the enzyme that effects hydrolysis, namely aspartic, serine, cysteine, metallo or threonine proteases. In this review we show structures for 108 inhibitors of these enzymes and update the clinical disposition of over 100 inhibitors that have been considered worthy enough by pharmaceutical, biotechnology or academic researchers and their financial backers to be trialed in humans as prospective medicines. We outline some of their chemical and pharmacological characteristics and compare the current status of protease inhibitors in the clinic with what was observed about 5 years ago (Leung et al, J. Med. Chem. 2000, 43, 305-341). We assess the progress of protease inhibitors into man, predict their futures, and outline some of the hurdles that have been overcome and that still remain for this promising class of new therapeutic agents.

Keywords:

protease, proteinase, peptidase, inhibitor, review, clinic

Affiliation:

Centre for Drug Design and Development, Institute for Molecular Bioscience, University of Queensland, Brisbane, Qld 4072, Australia.



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