Rallybio Corporation Announces Initiation of Phase 1 Study for RLYB116, Targeting Immune PTR and Refractory APS

Reuters
12 Jun
Rallybio Corporation Announces Initiation of Phase 1 Study for RLYB116, Targeting Immune PTR and Refractory APS

Rallybio Corporation, a clinical-stage biotechnology firm, announced the commencement of dosing in their Phase 1 confirmatory pharmacokinetic/pharmacodynamic (PK/PD) study for RLYB116. This study is targeted at addressing immune platelet transfusion refractoriness $(PTR.AU)$ and refractory antiphospholipid syndrome (APS), two hematologic conditions with significant unmet medical needs. The study aims to assess the safety and efficacy of RLYB116, a once-weekly, subcutaneously injected C5 inhibitor, in achieving complete and sustained complement inhibition. Data from the study's Cohort 1 are expected in the third quarter of 2025, with results from Cohort 2 anticipated in the fourth quarter of 2025.

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