Spasmodic dystonia
MONDO:0000485A chronic voice disorder characterized by momentary periods of uncontrolled spasms of the muscles of the larynx.
Also known as: laryngeal dyskinesia, laryngeal dystonia, spasmodic dysphonia, spastic dysphonia, abductor spasmodic dysphonia, adductor spasmodic dysphonia, mixed spasmodic dysphonia (type)
53 clinical trials for this condition and its sub-types.
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New device aims to improve diagnosis of voice disorders
Diagnosis OngoingThis study is tracking the safety and performance of a device called ECE50 used during routine medical exams. It involves 384 adults who need a diagnosis for voice box muscle issues, like vocal fold paresis or laryngeal dystonia. The goal is to see if the device works as well as …
Sponsor: MED-EL Elektromedizinische Geräte GesmbH • Aim: Diagnosis
Last updated Jun 27, 2026 08:11 UTC
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New breath test could replace painful lung scopes
Knowledge-focused ENROLLING_BY_INVITATIONThis study aims to see if a simple, non-invasive breathing test can accurately measure the acidity (pH) in the airways, which is often abnormal in lung diseases. Researchers will compare results from this breath test with standard methods in 150 healthy volunteers and people with…
Phase: PHASE2 • Sponsor: Indiana University • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:03 UTC
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Voice disorder study: can botox help patients get back to work?
Knowledge-focused OngoingThis study looks at how spasmodic dysphonia, a voice disorder causing uncontrollable vocal cord spasms, affects patients' jobs and social lives. Researchers will interview 20 adults who have received at least one botulinum toxin injection to understand if the treatment helps impr…
Sponsor: Manchester University NHS Foundation Trust • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:51 UTC