STAT+: Cogent Biosciences drug improves symptoms of chronic immune disorder, study results show

Cogent Biosciences said Monday that its experimental drug reduced the symptoms of a chronic immune disorder called indolent systemic mastocytosis. The results mean the drug achieved the goals of a Phase 3 study, but a comparison to a rival treatment from Blueprint Medicines remains muddled. 

In its study, Cogent’s drug, called bezuclastinib, showed a 24-point improvement in a patient-reported symptoms score, compared to a 15-point improvement for participants given a placebo. The nine-point difference was statistically significant. 

Indolent systemic mastocytosis is the most common form of an immune system disorder that causes allergic-like skin reactions, gastrointestinal and neurological symptoms, fatigue, and generalized pain. 

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