Tokyo, Oct. 10 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000059356) titled 'Nationwide Survey of Unilateral Vocal Fold Paralysis' on Oct. 9.
Study Type:
Observational
Primary Sponsor:
Institute - International University of Health and Welfare
Condition:
Condition - Unilateral vocal fold paralysis, Recurrent nerve palsy, Laryngeal paralysis
Classification by malignancy - Others
Genomic information - NO
Objective:
Narrative objectives1 - We will conduct a nationwide survey of patients with unilateral vocal cord paralysis, including age of onset, longest vocal duration, severity of hoarseness using the Voice Handicap Index (
, etc.), causative disease, duration of illness, and treatment ex...