Geneva, July 7 -- International Clinical Trials Registry received information related to the study (ChiCTR2600127231) titled 'Efficacy and Safety of Hydroxychloroquine in the Treatment of Recurrent Oral Ulceration: A Randomized Controlled Trial' on June 26.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: West China Hospital of Stomatology, Sichuan University

Condition: Recurrent Oral Ulcer(ROU), also known as Recurrent Aphthous Ulcer (RAU)

Intervention: Experimental Group:Receive oral hydroxychloroquine

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-07-01

Target Sample Size: Experimental Group:30;Control group:30;

Countries of Recruitment: China

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