Research on the therapeutic Interventional effect of Self-controlled vocal exercise : SCVE) for patients with dysphonia caused by physiological vocal cord atrophy due to aging.

Research on the therapeutic Interventional effect of Self-controlled vocal exercise : SCVE) for patients with dysphonia caused by physiological vocal cord atrophy due to aging. - Randomized controlled trial in multiple centers on the interventional therapy of Self-controlled vocal exercise : SCVE) for aging vocal cord atrophy.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000015567

Enrollment

600

Registered

2014-11-01

Start date

2010-10-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sulcus or Atrophy of vocal cords

Interventions

Self-controlled vocal exercise : SCVE)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)60 years old and over 2) experiencing hoarseness caused by glottal incompetence; 3) diagnosis of atrophy of the vocal cords or sulcus vocalis as confirmed in laryngeal endoscopic examination.

Exclusion criteria

Exclusion criteria: 1) patient preference for surgical treatment; 2) inability to perform the SCVE for any reason; 3) acute inflammation, polyps, tumors, granulomas, nodules, or paralysis of the vocal cords.

Design outcomes

Primary

Measure	Time frame
The incidence rate of pneumonia Maximum phonation time	—

Countries

Japan

Contacts

Public ContactKoichi Tsunoda

National Hospital Organization Tokyo medical center National Institute of Sensory Organs Department of Artificial Organs and Medical Device Creation

tsunodakoichi@kankakuki.go.jp03-3411-0111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026