International Clinical Trial: A Study on the Efficacy and Mechanism of Photodynamic Therapy Combined with Retinoic Acid in the Treatment of Extensive Oral Leukoplakia

Geneva, Aug. 6 -- International Clinical Trials Registry received information related to the study (ChiCTR2600129037) titled 'A Study on the Efficacy and Mechanism of Photodynamic Therapy Combined with Retinoic Acid in the Treatment of Extensive Oral Leukoplakia' on July 29.

Study Type: Observational study

Study Design: Factorial

Primary Sponsor: Beijing Stomatological Hospital , Capital Medical University

Condition: Oral leukoplakia

Intervention: Study 2: Group Unresponsive to Photodynamic Therapy:None Study 1: Photodynamic Therapy Group:None Study 2: Group Responding to Photodynamic Therapy:None

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-07-16

Target Sample Size: Study 2: Group Unresponsi...