Not applicableUnknownNCT03543150What this trial is testingBOTOX® Drug Use Investigation (Spasmodic Dysphonia)Who this might be right forDysphonia GlaxoSmithKline 400
Not applicableEnded earlyNCT00895063What this trial is testingEffect of Vocal Exercise After Botulinum Toxin Injection for Spasmodic DysphoniaWho this might be right forSpasmodic DysphoniaDystonia NYU Langone Health 8
Testing effectiveness (Phase 2)UnknownNCT04938154What this trial is testingTrial of Deep Brain Stimulation for Spasmodic DysphoniaWho this might be right forSpasmodic Dysphonia University of British Columbia 16
Not applicableActive Not RecruitingNCT06561334What this trial is testingSpasmodic Dysphonia InterviewsWho this might be right forSpasmodic DysphoniaQuality of Life Manchester University NHS Foundation Trust 20
Not applicableUnknownNCT03129087What this trial is testingThe Effect of Vocal Rest Versus Vocalization Following Xeomin® Injections in Spasmodic DysphoniaWho this might be right forAdductor Spasmodic Dysphonia London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's 20
Not applicableStudy completedNCT00001552What this trial is testingCharacteristics of Idiopathic Familial Voice DisordersWho this might be right forLaryngeal DiseaseSpastic DysphoniaVoice Disorder National Institute of Neurological Disorders and Stroke (NINDS) 270
Not applicableActive Not RecruitingNCT05245942What this trial is testingMonitoring of the Safety and the Performance of the Endoscopic Cap Electrode (ECE50)Who this might be right forVocal Fold ParesisLaryngeal Dystonia MED-EL Elektromedizinische Geräte GesmbH 384
Not applicableStudy completedNCT00118586What this trial is testingNeuropathology of Spasmodic DysphoniaWho this might be right forVoice DisordersSpasmodic DysphoniaHealthy+2 more National Institute of Neurological Disorders and Stroke (NINDS) 97
Not applicableEnded earlyNCT04156022What this trial is testingDystonia Coalition ProjectsWho this might be right forDystonia University of Texas Southwestern Medical Center 2
Not applicableStudy completedNCT02957942What this trial is testingRTMS in Spasmodic DysphoniaWho this might be right forSpasmodic DysphoniaLaryngeal Dystonia University of Minnesota 20
Not applicableNot Yet RecruitingNCT06402214What this trial is testingThe 'Lombard Effect' in Patients Affected by Adductor Laryngeal DystoniaWho this might be right forAdductor Spasmodic Dysphonia Fondazione Policlinico Universitario Agostino Gemelli IRCCS 18
Not applicableStudy completedNCT00001922What this trial is testingSensory Function in Idiopathic Voice DisordersWho this might be right forPhonation DisorderSpastic DysphoniaVoice Disorder National Institute of Neurological Disorders and Stroke (NINDS) 370
Not applicableEnded earlyNCT00001308What this trial is testingCentral Mechanisms in Speech Motor Control Studied With H215O PETWho this might be right forCommunication DisorderHealthyStuttering+2 more National Institute on Deafness and Other Communication Disorders (NIDCD) 1,163
Testing effectiveness (Phase 2)WithdrawnNCT05467228What this trial is testingLaryngeal Vibro-tactile Stimulation as a Non-invasive Symptomatic Treatment for Spasmodic DysphoniaWho this might be right forAdductor Spasmodic DysphoniaAbductor Spastic DysphoniaLaryngeal Dystonia University of Minnesota
Not applicableLooking for participantsNCT03042962What this trial is testingBrain Networks in DystoniaWho this might be right forSpasmodic DysphoniaSinger's DystoniaWriter's Cramp+3 more Massachusetts Eye and Ear Infirmary 141
Post-approval studies (Phase 4)UnknownNCT05110417What this trial is testingReversal of Botulinum Neurotoxin Injection Related Dysphonia With PyridostigmineWho this might be right forDysphonia, SpasticDysphoniaLaryngeal Dystonia Eastern Virginia Medical School 10
Testing effectiveness (Phase 2)Study completedNCT01961297What this trial is testingVoice Tremor in Spasmodic Dysphonia: Central Mechanisms and Treatment ResponseWho this might be right forSpasmodic DysphoniaVoice Tremor Kristina Simonyan 53
Not applicableStudy completedNCT02558634What this trial is testingThalamic Deep Brain Stimulation for Spasmodic Dysphonia- DEBUSSY TrialWho this might be right forSpasmodic DysphoniaLaryngeal DystoniaDeep Brain Stimulation University of British Columbia 6
Not applicableLooking for participantsNCT06830174What this trial is testingTDCS for Laryngeal DystoniaWho this might be right forLaryngeal Dystonia Yale University 10
Not applicableWithdrawnNCT02061943What this trial is testingExamining the Spasmodic Dysphonia Diagnosis and Assessment Procedure (SD-DAP) for Measuring Symptom ChangeWho this might be right forSpasmodic DysphoniaLaryngeal Dystonia Emory University