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Voice therapy gets a makeover: new classification system tested for hoarseness

NCT ID NCT06152627

Knowledge-focused Sponsor: Massachusetts General Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether using a new classification system (RTSS-Voice) to document voice therapy sessions helps people with muscle tension dysphonia, a condition causing hoarseness and vocal strain. Researchers will compare outcomes from clinicians' first year using the system to their second year. 600 participants across five voice centers will be involved, with outcomes measured by patient surveys and voice recordings.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
standard of care voice therapy with RTSS-Voice documentation
What this could lead to
If successful, this could lead to a standardized way to classify voice therapy, potentially improving treatment outcomes for people with muscle tension dysphonia.
What could go wrong
This is an early-stage observational study focused on clinician documentation, not a new treatment. It may not show clear improvements, and results may not apply to all voice therapy settings.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 600 people

The number the study aims to enrol. It can still change while the study runs.

Started

Feb 2026

Expected to finish

Jun 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

14 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Diagnosis of primary Muscle Tension Dysphonia (pMTD) * Patients with pMTD will be included regardless of subtype (e.g., functional aphonia, vocal fry, ventricular dysphonia) and they can have secondary diagnoses of reflux. Exclusion Criteria: * Patients diagnosed with pMTD will be excluded if they have secondary diagnoses related to structural, neurological, or respiratory disorders such as laryngitis, obvious vocal fold nodules, polyps, cyst, granuloma, sulci, paradoxical vocal fold motion, chronic cough, confirmed or possible upper airway paralysis/paresis, dysphagia, polypoid corditis, keratosis, presbylarynx, leukoplakia, or history of radiation to the head/neck. Patients with pMTD will be included regardless of subtype (e.g., functional aphonia, vocal fry, ventricular dysphonia) and they can have secondary diagnoses of reflux. * Non-English speakers. The RTSS-Voice's standard and operationalized categories are in English.

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Conditions

The condition(s) this trial relates to.

spasmodic dystonia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Muscle tension dysphonia

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    5 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Emory University

    RECRUITING

    Atlanta, Georgia, 30322, United States

  • Massachusetts General Hospital

    RECRUITING

    Boston, Massachusetts, 02114, United States

  • New York University

    RECRUITING

    New York, New York, 10017, United States

  • University of Utah

    RECRUITING

    Salt Lake City, Utah, 84132, United States

  • University of Wisconsin

    RECRUITING

    Madison, Wisconsin, 53792, United States

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