The week in pharma: action, reaction and insight – week to May 30

1 June 2025

By Barbara Obstoj-Cardwell. Editor

Research news last week included Rocket Pharmaceuticals suffering a setback with its Phase II trial of RP-A501, which resulted in a patient death and a US Food and Drug Administration (FDA) hold on the study. Germany’s InflaRx announced it would discontinue development of vilobelimab in a dermatology condition due to futility. Regeneron and Sanofi presented mixed results for itepekimab, leading them to consider the future of the chronic obstructive pulmonary (COPD) therapy. Also of note, Japan’s Otsuka Pharma revealed that the US FDA has accepted its biologics license application (BLA) for sibeprenlimab for review as an immunoglobulin A nephropathy IgAN) treatment.

Rocket’s Danon update raises specter of worst-case scenario

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