The bactericidal activity of imipenem results from the inhibition of penicillin binding proteins (PBPs) leading to inhibition of peptidoglycan cell wall synthesis. Cilastatin limits the renal metabolism of imipenem and does not have antibacterial activity. Relebactam is a non-beta lactam inhibitor of Ambler class A and class C beta-lactamases, including class A Klebsiella pneumoniae carbapenemase (KPC) and extended-spectrum beta-lactamases (ESBLs), and class C (AmpC-type) beta-lactamases including Pseudomonas-Derived Cephalosporinase (PDC). Relebactam does not inhibit class B enzymes (metallo-beta-lactamases) or class D carbapenemases. Relebactam has no antibacterial activity.
This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:
| ATC code | Group title | Classification |
|---|---|---|
| J01DH56 | J Antiinfectives for systemic use → J01 Antibacterials for systemic use → J01D Other beta-lactam antibacterials → J01DH Carbapenems | |
Competent medicine agencies globally have authorized commercialization of this active ingredient according to these medication package inserts (MPIs):
| Title | Information Source | Document Type | |
|---|---|---|---|
| RECARBRIO Powder for solution for infusion | European Medicines Agency (EU) | MPI, EU: SmPC | |
| RECARBRIO Powder for solution for injection | FDA, National Drug Code (US) | MPI, US: SPL/PLR |
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