Amlitelimab Benefit in Inflammatory Asthma: Sanofi

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Sanofi says preliminary results from a Phase 2 (NCT05421598) study of amlitelimab in adults with moderate-to-severe asthma show that the “primary endpoint of annualized exacerbation rate at Week 48 was not met at the highest dose level, leading to nominal significance at the medium dose. However, it says the data do demonstrate amlitelimab's “compelling efficacy in heterogeneous inflammatory asthma, potentially representing a breakthrough for this underserved patient population if observed in later studies.”

The company says that the data also show that treatment with amlitelimab led to nominally significant and clinically meaningful reductions in asthma exacerbations at the medium dose tested and a numerically greater reduction in exacerbations at the high dose at Week 60. “The study also demonstrated nominally significant and clinically meaningful improvement in secondary endpoints of lung function and asthma control.”

Sanofi says that the results demonstrate that amlitelimab has potential to improve key disease outcomes in asthma patients with continued unmet need. A Phase 3 program is currently being planned, it adds.

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