International Clinical Trial: Efficacy of Voice Training on Vocal Fold Sulcus

Geneva, Jan. 12 -- International Clinical Trials Registry received information related to the study (ChiCTR2500115412) titled 'Efficacy of Voice Training on Vocal Fold Sulcus' on Dec. 25, 2025.

Study Type: Observational study

Study Design: Case-Control study

Primary Sponsor: the Third Xiangya Hospital of Central South University

Condition: Vocal Fold Sulcus

Intervention: Experimental group (voice training):None

Recruitment Status: Not Recruiting

Phase: Retrospective study

Date of First Enrollment: 2025-12-31

Target Sample Size: Experimental group (voice training):17;Control group (Vocal Hygiene Guidance):17;

Countries of Recruitment: China

To know more, visit https://www.chictr.org.cn/showproj.html?proj=299965

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