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A Single-center, Single-arm, Open-label Phase IIA Clinical Trial to Investigate Efficacy and Safety of Ritlecitinib (PF-06651600) in Participants With Chronic Spontaneous Urticaria

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Trial Profile

A Single-center, Single-arm, Open-label Phase IIA Clinical Trial to Investigate Efficacy and Safety of Ritlecitinib (PF-06651600) in Participants With Chronic Spontaneous Urticaria

Status: Withdrawn prior to enrolment
Phase of Trial: Phase II

Latest Information Update: 18 Dec 2025

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At a glance

  • Drugs Ritlecitinib (Primary)
  • Indications Chronic urticaria
  • Focus Therapeutic Use

Most Recent Events

  • 09 Dec 2025 Planned End Date changed from 1 Jun 2026 to 31 Mar 2026.
  • 09 Dec 2025 Planned primary completion date changed from 1 May 2026 to 31 Mar 2026.
  • 09 Dec 2025 Planned initiation date changed from 30 Sep 2025 to 31 Dec 2025.

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