Effectiveness of Two Therapeutic Approaches in Female Teachers With Voice Disorders

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01196611

Enrollment

162

Registered

2010-09-08

Start date

2010-09-30

Completion date

2013-03-31

Last updated

2017-03-30

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

Conditions

Voice Disorders

Keywords

Voice disorders, Voice

Brief summary

The study compares two different approaches of voice therapy. Vocal Functional Exercises (Stemple,1997) and Voice Amplification using a portable amplifier (Tsi Supervoz II - Tecnisystem do Brasil TSI 1210).

Detailed description

Both approaches combined with Vocal Hygiene Program (Behlau, 2007).The target population are female teachers because they have the highest risk for developing voice problems. For this study the investigators are primarily interested in seeing if Vocal Functional Exercises and Voice Amplification are equally effective at improving vocal functioning in teachers with voice disorders. The Fiberoptic endoscopic evaluation will be done before randomization. All the participants will complete before and after a 6-week treatment phase (a) Voice Activity and Participation Profile (PPAV), an instrument designed to appraise the self-perceived psychosocial consequences of voice disorders to assess the impact of voice disorders on daily activities (b) Audio voice recording for later acoustic analysis, through the Kay Elemetrics Multi Dimensional Voice Program (c) Audio recording for later perceptual analysis through Consensus Auditory-Perceptual Evaluation of Voice (CAPE\_V). It is believed that the search for evidence in clinical studies like this can contribute to awareness programs and vocal training for teachers.

Interventions

BEHAVIORALVoice Amplification

Behavioral: Voice Amplification. Patients use VA over a course of 6 weeks Control group. No treatment over a course of 6 weeks.

BEHAVIORALFunction Voice Exercises

Function Voice Exercises Patients will receive 6 sessions of therapy over a course of 6 weeks, with one session per week.

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

SINGLE (Outcomes Assessor)

Eligibility

Sex/Gender

FEMALE

Age

21 Years to 50 Years

Healthy volunteers

Inclusion criteria

* Female teacher * 21-50 years old. * Full or part time elementary to middle school teacher ( Prefeitura Municipal de Belo Horizonte). * Minimum 20 hour weekly workload. * Medical reference to speech therapy due to behavioral dysphonia

Exclusion criteria

* Physical education or daycare teachers. * Professional singers. * Neurological and/or psychiatric voice disorders

Design outcomes

Primary

Measure	Time frame
Fiberoptic endoscopic evaluation	One year
Score(CAPE_V); score(PPAV); score on acoustic analysis	One year

Countries

Brazil

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026