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Effect of manual circumlaryngeal therapy and topical herbal ointment on muscle tension dysphonia

Effect of manual circumlaryngeal therapy and topical herbal ointment on vocal function of patients with muscle tension dysphonia: randomized clinical trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20250302064901N1
Enrollment
30
Registered
2025-08-05
Start date
2025-08-23
Completion date
Unknown
Last updated
2025-08-19

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

Conditions

Muscle Tension Dysphonia. Dysphonia

Interventions

Intervention 1: Intervention group 1: Manual Circumlaryngeal Therapy with topical herbal ointment. Following an allergy test, if no allergy to topical herbal ointment is present, participants will und

Sponsors

University of social welfare and rehabilitation sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to 55 Years

Inclusion criteria

Inclusion criteria: Consent to patients to participate in the study Diagnosis of primary muscle tension dysphonia is established by consensus between an otolaryngologist and a speech-language pathologist based on videolaryngoscopic findings Being in the age range of 20 to 55 years Voice symptoms last more than 3 months

Exclusion criteria

Exclusion criteria: History of any voice disorders History of receiving voice therapy intervention History of hearing disorders History of gastrointestinal diseases History of neurologic diseases History of head and neck surgeries History of respiratory intubation Upper respiratory tract infection Common cold Sinusitis Being in menstrual phase for women Being in the premenstrual phase for women Being pregnancy for women Current lactation for women History of smoking History of tobacco consumption History of alcoholic drinks consumption

Design outcomes

Primary

MeasureTime frame
Acoustic Breathiness Index (ABI). Timepoint: Before intervention and immediately after intervention, one week after intervention. Method of measurement: Acoustic analysis of voice signal with VOXplot software.;Acoustic Voice Quality Index (AVQI). Timepoint: Before intervention and immediately after intervention, one week after intervention. Method of measurement: Acoustic analysis of voice signal with VOXplot software.;The overall severity of the voice disorder. Timepoint: Before intervention and immediately after intervention, one week after intervention. Method of measurement: The Persian version of The Consensus Auditory-Perceptual Evaluation of Voice (CAPE-V).;Peak of muscle activity. Timepoint: Before intervention and immediately after intervention, one week after intervention. Method of measurement: Surface electromyography device.;Time to peak of muscle activity. Timepoint: Before intervention and immediately after intervention, one week after intervention. Method of measurement: Surface electromyography device.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactArezoo Hasanvand

University of social welfare and rehabilitation sciences

arezoo.hasanvand@yahoo.com+98 21 2218 9043

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026