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NCT00222937 · ClinicalTrials.gov registry record · Phase 3
Voice Therapy for Teachers With Voice Problems
A Phase 3 study, sponsored by University of Pittsburgh.
- Completed
- Registry status
- Phase 3
- Development phase
- 105
- Enrollment target
NCT00222937: Completed Phase 3 study, sponsored by University of Pittsburgh.
NCT00222937 is a Phase 3 study that has completed, run by University of Pittsburgh. The registered enrollment target is 105 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (86% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00222937, a Phase 3 study, has completed, sponsored by University of Pittsburgh.
- COMPLETED
- Registry status
- Phase 3
- Development phase
- 105 participants
- Enrollment target
Study Summary
The study compares two different forms of voice therapy, Lessac-Madsen Resonant Voice Therapy and Casper-Based Confidential Flow Therapy. The target population are teachers because they have the highest risk for developing voice problems. For this study the investigators are primarily interested in seeing if Lessac-Madsen Resonant Voice Therapy (LMRVT) and Casper-Based Confidential Flow Therapy (CBCFT) are equally effective at improving vocal functioning in teachers with phonotrauma, as assessed by the Voice Handicap Index (VHI).
Interventions
- BEHAVIORAL Lessac-Madsen Resonant Voice Therapy
- BEHAVIORAL Casper-Based Confidential Flow Therapy
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 105 participants |
| Start Date | 2005-10 |
| Est. Completion | 2010-08 |
| Phase | Phase 3 |
What the finished NCT00222937 record still lists
NCT00222937 is an interventional study that assigns participants to a tested intervention. The registered 105 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (86% lower).
The record links to 0 conditions, and to 2 interventions - of which Lessac-Madsen Resonant Voice Therapy is the first listed.
NCT00222937 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00222937 about?
NCT00222937 is a clinical study titled "Voice Therapy for Teachers With Voice Problems". The study compares two different forms of voice therapy, Lessac-Madsen Resonant Voice Therapy and Casper-Based Confidential Flow Therapy. The target population are teachers because they have the highest risk for developing voice problems. For this study the investigators are primarily interested in ...
What is the current status of trial NCT00222937?
This trial is currently completed. It is a Phase 3 study. The enrollment target is 105 participants. The study started on 2005-10. Estimated completion is 2010-08.
What interventions are being tested in trial NCT00222937?
The interventions under investigation include: Lessac-Madsen Resonant Voice Therapy (BEHAVIORAL), Casper-Based Confidential Flow Therapy (BEHAVIORAL).
Who is sponsoring clinical trial NCT00222937?
This trial is sponsored by University of Pittsburgh, which has 1,238 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00222937's enrollment target sits among peer trials
105 1670th of 2000 higher than 330 of 2,000 other Phase 3 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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