Evaluating the Feasibility of Acapella® Choice as a Dysphonia Treatment

Status Completed

Clinical Trial Summary

A feasibility study to identify the immediate effect on the voices of patients with voice disorders (muscle tension dysphonia, vocal fold palsy or presbylaryngis) produced by exercising with Acapella Choice as a form of semioccluded vocal tract exercise (SOVTE).

Clinical Trial Description

This feasibility study is the natural extension of the researchers' recently completed study (R&D 16/0242) which assessed how the use of an Acapella Choice (Smiths Medical) positive expiratory pressure (PEP) device as a semi-occluded vocal tract exercise (SOVTE) impacted acoustic, electroglottographic and aerodynamic measures of the voice in a group of normophonic volunteers. In that study, Acapella Choice was found to offer significantly greater oscillating intraoral pressures than techniques in current clinical practice and was found to have measurable benefits in terms of producing a louder and more economical voice. It offered the largest oscillating pressures, likened to a 'massage' of the vocal organs, giving it great therapeutic promise for patients with excess vocal tract tension. This study seeks to evaluate the immediate effects of Acapella Choice as a voice exercise in patients with Muscle Tension Dysphonia, Presbylaryngis and Vocal Fold Palsy, and compare this to the widely-used voice rehabilitation technique of phonation into a tube held under water (henceforward referred to as "Tube"). Patients will be recruited from four weekly Voice Clinics held at the Royal National Throat Nose and Ear Hospital where their diagnosis will be confirmed. They will be invited to attend a single experimental session during which time they will exercise both with Acapella Choice and with Tube. Baseline and outcome voice measures will be taken and a short questionnaire will be completed, eliciting perceptions of the two exercises and any changes which were felt to have resulted from them. The researchers' previous work suggests that Acapella Choice as a SOVTE may offer significant clinical benefits in terms of improved efficacy of therapy. It is suggested that it also offers patients a more convenient and user-friendly form of exercise which may well improve compliance and result in better outcomes. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04764604
Study type	Interventional
Source	University College, London
Contact
Status	Completed
Phase	N/A
Start date	December 14, 2020
Completion date	November 29, 2021

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.