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Title: Discovery of MK-7655, a β-lactamase inhibitor for combination with Primaxin®

Journal Article · · Bioorganic and Medicinal Chemistry Letters

β-Lactamase inhibitors with a bicyclic urea core and a variety of heterocyclic side chains were prepared and evaluated as potential partners for combination with imipenem to overcome class A and C β-lactamase mediated antibiotic resistance. The piperidine analog 3 (MK-7655) inhibited both class A and C β-lactamases in vitro. It effectively restored imipenem’s activity against imipenem-resistant Pseudomonas and Klebsiella strains at clinically achievable concentrations. A combination of MK-7655 and Primaxin® is currently in phase II clinical trials for the treatment of Gram-negative bacterial infections.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Organization:
INDUSTRY
OSTI ID:
1400318
Journal Information:
Bioorganic and Medicinal Chemistry Letters, Vol. 24, Issue 3; ISSN 0960-894X
Publisher:
Elsevier
Country of Publication:
United States
Language:
ENGLISH