Trial Profile

A Multicenter, Randomized, Double-blind, Placebo-controlled Phase III Clinical Study to Evaluate the Efficacy and Safety of JYB1904 Injection in Adult Patients With Chronic Spontaneous Urticaria Inadequately Controlled by H1 Antihistamines

Status: Recruiting

Phase of Trial: Phase III

Latest Information Update: 16 Feb 2026

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At a glance

11 Feb 2026 Status changed from planning to recruiting.
17 Nov 2025 New trial record
20 Oct 2025 According to RAPT Therapeutics media release, based on the positive results from phase II trial company is moving to a pivotal Phase 3 trial in CSU and plans to discuss next steps with the FDA and other regulatory authorities.

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