AstraZeneca's SAPHNELO subcutaneous trial hits primary endpoint

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SAPHNELO self-administration TULIP-SC Phase III trial meets primary endpoint in patients with systemic lupus erythematosus based on an interim analysis

September 17, 2025 7:05 AM EDT

Subcutaneous administration of first-in-class biologic SAPHNELO demonstrates statistically significant and clinically meaningful reduction in disease activity

WILMINGTON, Del.--(BUSINESS WIRE)-- Positive high-level results from a pre-specified interim analysis of the Phase III TULIP-SC trial in patients with systemic lupus erythematosus (SLE) showed that the subcutaneous (SC) administration of AstraZenecas SAPHNELO® (anifrolumab) demonstrated a statistically significant and clinically meaningful reduction in disease activity compared to placebo.1 The safety profile observed in the interim analysis was consistent with the known clinical profile of SAPHNELO administered as an intravenous (IV)... More