News Related to Clostridioides Difficile Infection

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Acurx Pharmaceuticals Advances Ibezapolstat to Phase 3 Trials for C. difficile Infection

Jun 16, 2026

Acurx Pharmaceuticals is advancing ibezapolstat to international Phase 3 clinical trials for C. difficile infection following final regulatory guidance from FDA and EMA. The company launched a new clinical trial program for recurrent CDI and presented structural biology research demonstrating ibezapolstat's mechanism of action. Acurx reported year-end 2025 cash of $7.6 million.

Investigational Antibiotic CRS3123 Shows Lower Recurrence Rates Than Vancomycin in C. Diff Trial

Apr 01, 2026

CRS3123, an investigational antibiotic for C. difficile infection, demonstrated 97% clinical cure rates and significantly lower recurrence (4% vs 23% for vancomycin) in a Phase 2 trial. The narrow-spectrum drug better preserves gut microbiome health and secondary bile acid synthesis compared to standard vancomycin treatment. These positive results support advancing CRS3123 into Phase 3 development.