aTyr Pharma Announces Positive Interim Analysis from Phase 2 EFZO-CONNECT™ Study in SSc-ILD

ATYR
October 06, 2025

aTyr Pharma, Inc. announced findings from an interim analysis of eight patients in the ongoing Phase 2 EFZO-CONNECT™ study, evaluating efzofitimod in systemic sclerosis-related interstitial lung disease (SSc-ILD). The analysis showed early positive signals across multiple skin assessment measures.

Three out of four efzofitimod-treated diffuse SSc-ILD patients demonstrated clinically important improvement based on the modified Rodnan Skin Score (mRSS) assessment at 12 weeks. All patients showed stable or improved mRSS, a measure of skin fibrosis.

Efzofitimod was generally safe and well tolerated at all doses in the interim analysis. The EFZO-CONNECT™ study is a 28-week randomized, double-blind, placebo-controlled, proof-of-concept study designed to enroll up to 25 patients.

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