International Clinical Trial: Randomized Controlled Trial to Evaluate the Efficacy of Surgical Masks in Preventing Acute Respiratory Infections

Geneva, Aug. 6 -- International Clinical Trials Registry received information related to the study (NCT07739446) titled 'Randomized Controlled Trial to Evaluate the Efficacy of Surgical Masks in Preventing Acute Respiratory Infections' on July 28.

Study Type: Interventional

Study Design: Allocation: Randomized. Intervention model: Parallel Assignment. Primary purpose: Prevention. Masking: None (Open Label).

Primary Sponsor: Chiba University

Condition: Acute Respiratory Infections (ARIs) Influenza COVID - 19

Intervention: Behavioral: Surgical masks

Recruitment Status: Recruiting

Phase: N/A

Date of First Enrollment: July 2026

Target Sample Size: 2000

Countries of Recruitment: Japan

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