Venatorx Pharmaceuticals Announces Positive Results for Phase 3 Clinical Trial (CERTAIN-1) of Cefepime-Taniborbactam for Treatment of cUTI

Cefepime-taniborbactam met the primary noninferiority efficacy endpoint and
demonstrated statistical superiority to meropenem

Cefepime-taniborbactam was well-tolerated with similar safety profile to meropenem

NDA on track to be submitted in the fourth quarter 2022

Excerpt from the Press Release:

Malvern, PA, March 10, 2022 – Venatorx Pharmaceuticals today announced positive results from its pivotal Phase 3 study evaluating cefepime-taniborbactam, an investigational new drug, as a potential treatment for adult patients with complicated urinary tract infections (cUTI), including acute pyelonephritis.

Cefepime, a fourth-generation cephalosporin, is a widely used beta-lactam (BL) antibiotic with more than two decades of proven safety and clinical utility against susceptible gram-negative and gram-positive bacteria. Taniborbactam is a beta-lactamase inhibitor (BLI) that, in combination with cefepime, may offer a potential treatment option for patients with serious bacterial infections caused by difficult-to-treat drug resistant gram-negative bacteria, most notably carbapenem-resistant Enterobacterales (CRE) and carbapenem-resistant Pseudomonas aeruginosa (CRPA). Many of these organisms are also multidrug-resistant (MDR), further limiting treatment options. Cefepime-taniborbactam has been granted Qualified Infectious Disease Product (QIDP) and Fast Track designation by the U.S. Food and Drug Administration (FDA).

CERTAIN-1 (Cefepime Rescue with Taniborbactam in cUTI) was a global, randomized, double-blind, active-controlled non-inferiority Phase 3 study evaluating the efficacy, safety, and tolerability of cefepime-taniborbactam compared to meropenem in adults with cUTI, including acute pyelonephritis. The trial enrolled 661 adult patients who were randomized 2:1 to receive cefepime-taniborbactam 2.5g q8h or meropenem 1g q8h for 7 days (up to 14 days for patients with bacteremia). The primary efficacy endpoint evaluated the composite clinical and microbiologic response (i.e., bacterial eradication) at the Test of Cure (TOC) visit (Day 19-23) in the microbiological intent-to-treat (microITT) population as specified by FDA and European Medicines Agency guidance.

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