A 52-week Randomized, Double-blind, Placebo-controlled, Multi-center Phase 2b Study With a 52-week Blinded Extension and an Optional Open-label Extension - Assessing Safety and Efficacy of Frexalimab, a CD40L-antagonist Monoclonal Antibody, for Preservation of Pancreatic β-cell Function in Adults and Adolescents With Newly Diagnosed Type 1 Diabetes on Insulin Therapy
Latest Information Update: 10 Apr 2026
At a glance
- Drugs Frexalimab (Primary) ; Insulin (Primary)
- Indications Type 1 diabetes mellitus
- Focus Proof of concept; Therapeutic Use
- Acronyms FABULINUS
- Sponsors Sanofi
Most Recent Events
- 19 Dec 2025 Planned End Date changed from 11 Aug 2031 to 29 Oct 2030.
- 19 Dec 2025 Planned primary completion date changed from 30 Apr 2027 to 28 Apr 2027.
- 20 Nov 2025 Planned End Date changed from 27 Oct 2028 to 11 Aug 2031.