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aTyr Pharma Announces Publication of Results from the Phase 3 EFZO-FIT™ Study of Efzofitimod in Pulmonary Sarcoidosis in The Lancet Respiratory Medicine

$ATYRPress releaseOct 29, 2026, 8:00 AM ETRead the release

aTyr Pharma announced publication of Phase 3 EFZO-FIT results for efzofitimod in pulmonary sarcoidosis in The Lancet Respiratory Medicine. The 268-patient trial missed its primary endpoint of statistically significant steroid reduction versus placebo, but efzofitimod improved multiple patient-reported outcomes, maintained lung function, and was well-tolerated. Lead author Daniel Culver called it the largest interventional trial ever conducted in pulmonary sarcoidosis and said results could shift how patients are managed and new therapies evaluated.

Key figures

Drug Name
efzofitimod
Phase Of Trial
Phase 3
Primary endpoint
change from baseline in mean daily oral corticosteroid dose at week 48 (not met)
Patients enrolled
268
Trial duration weeks
48

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