{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dysphonia&page=3", "query": { "condition": "Dysphonia", "page": 3 }, "page_size": 10 }, "pagination": { "page": 3, "page_size": 10, "total_count": 85, "total_pages": 9, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dysphonia&page=4&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dysphonia&page=2&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-21T06:59:19.678Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT06078527", "title": "Assessment of Laryngopharyngeal Sensation: Cancer Survivor Cohort", "overall_status": "NOT_YET_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Presbylarynx", "Aspiration", "Spasmodic Dysphonia", "Globus Pharyngeus", "Larynx Paralysis", "Laryngeal Disease", "Vocal Cord Paralysis", "Iatrogenic Injury", "Sensory Neuropathy" ], "interventions": [ { "name": "Cheung-Bearelly Aesthesiometer", "type": "DEVICE" }, { "name": "Transnasal Laryngoscopy", "type": "PROCEDURE" }, { "name": "Questionnaires", "type": "OTHER" } ], "intervention_types": [ "DEVICE", "PROCEDURE", "OTHER" ], "sponsor": "University of California, San Francisco", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "85 Years", "sex": "ALL", "summary": "18 Years to 85 Years" }, "enrollment_count": 40, "start_date": "2026-11-01", "completion_date": "2029-01-31", "has_results": false, "last_update_posted_date": "2026-09-18", "last_synced_at": "2026-10-21T06:59:19.678Z", "location_count": 1, "location_summary": "San Francisco, California", "locations": [ { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT06078527" }, { "nct_id": "NCT04648891", "title": "Spasmodic Dysphonia Pain", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2", "PHASE3" ], "conditions": [ "Spasmodic Dysphonia" ], "interventions": [ { "name": "Lidocaine", "type": "DRUG" }, { "name": "Vibrating wand", "type": "DEVICE" } ], "intervention_types": [ "DRUG", "DEVICE" ], "sponsor": "Mayo Clinic", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 32, "start_date": "2021-08-01", "completion_date": "2023-07-01", "has_results": true, "last_update_posted_date": "2024-05-23", "last_synced_at": "2026-10-21T06:59:19.678Z", "location_count": 1, "location_summary": "Phoenix, Arizona", "locations": [ { "city": "Phoenix", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT04648891" }, { "nct_id": "NCT04421365", "title": "Brain-Computer Interfaces in Laryngeal Dystonia", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Laryngeal Dystonia" ], "interventions": [ { "name": "neurofeedback brain-computer interface (BCI)", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Kristina Simonyan", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 40, "start_date": "2022-04-18", "completion_date": "2027-08-31", "has_results": false, "last_update_posted_date": "2025-12-02", "last_synced_at": "2026-10-21T06:59:19.678Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT04421365" }, { "nct_id": "NCT03042975", "title": "Imaging Genetics of Laryngeal Dystonia", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Laryngeal Dystonia", "Unaffected Relatives of Laryngeal Dystonia Patients", "Voice Tremor", "Muscle Tension Dysphonia" ], "interventions": [ { "name": "MRI", "type": "OTHER" }, { "name": "Blood draw", "type": "PROCEDURE" } ], "intervention_types": [ "OTHER", "PROCEDURE" ], "sponsor": "Kristina Simonyan", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "ALL", "summary": "Not listed" }, "enrollment_count": 410, "start_date": "2017-01-23", "completion_date": "2028-07-31", "has_results": false, "last_update_posted_date": "2025-12-02", "last_synced_at": "2026-10-21T06:59:19.678Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT03042975" }, { "nct_id": "NCT02530879", "title": "Comparison of Voice Therapy and Antireflex Therapy in LPR", "overall_status": "WITHDRAWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Laryngopharyngeal Reflux" ], "interventions": [ { "name": "Omeprazole, Lansoprazole, Esomeprazole, Rantidine", "type": "DRUG" }, { "name": "Voice therapy", "type": "BEHAVIORAL" }, { "name": "Combination of anti-reflux medication and voice therapy", "type": "OTHER" } ], "intervention_types": [ "DRUG", "BEHAVIORAL", "OTHER" ], "sponsor": "Temple University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 0, "start_date": "2016-05", "completion_date": "2018-01", "has_results": false, "last_update_posted_date": "2018-05-18", "last_synced_at": "2026-10-21T06:59:19.678Z", "location_count": 2, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" }, { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT02530879" }, { "nct_id": "NCT03746509", "title": "Laryngeal Vibration for Spasmodic Dysphonia", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Spasmodic Dysphonia" ], "interventions": [ { "name": "Laryngeal Vibration (Treatment)", "type": "DEVICE" }, { "name": "Laryngeal Vibration (Comparator)", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "University of Minnesota", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 42, "start_date": "2019-04-02", "completion_date": "2022-07-20", "has_results": true, "last_update_posted_date": "2025-05-04", "last_synced_at": "2026-10-21T06:59:19.678Z", "location_count": 1, "location_summary": "Minneapolis, Minnesota", "locations": [ { "city": "Minneapolis", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT03746509" }, { "nct_id": "NCT00695227", "title": "Screening for Barrett's Esophagus in Otolaryngology Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Extraesophageal Symptoms", "Cough", "Throat Clearing", "Hoarseness", "Difficulty Swallowing" ], "interventions": [ { "name": "Screening for Barrett's Esophagus", "type": "DIAGNOSTIC_TEST" } ], "intervention_types": [ "DIAGNOSTIC_TEST" ], "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "90 Years", "sex": "ALL", "summary": "18 Years to 90 Years" }, "enrollment_count": 295, "start_date": "2004-05", "completion_date": "2011-12", "has_results": false, "last_update_posted_date": "2018-03-06", "last_synced_at": "2026-10-21T06:59:19.678Z", "location_count": 1, "location_summary": "Portland, Oregon", "locations": [ { "city": "Portland", "state": "Oregon" } ], "official_url": "https://clinicaltrials.gov/study/NCT00695227" }, { "nct_id": "NCT02061943", "title": "Examining the Spasmodic Dysphonia Diagnosis and Assessment Procedure (SD-DAP) for Measuring Symptom Change", "overall_status": "WITHDRAWN", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Spasmodic Dysphonia", "Laryngeal Dystonia" ], "interventions": [], "intervention_types": [], "sponsor": "Emory University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "85 Years", "sex": "ALL", "summary": "18 Years to 85 Years" }, "enrollment_count": 0, "start_date": "2015-10", "completion_date": "2016-04", "has_results": false, "last_update_posted_date": "2016-05-30", "last_synced_at": "2026-10-21T06:59:19.678Z", "location_count": 2, "location_summary": "Atlanta, Georgia • St Louis, Missouri", "locations": [ { "city": "Atlanta", "state": "Georgia" }, { "city": "St Louis", "state": "Missouri" } ], "official_url": "https://clinicaltrials.gov/study/NCT02061943" }, { "nct_id": "NCT03410797", "title": "Efficacy of a Semi-occluded Mask in the Treatment of Patients With Voice Disorders", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Voice and Resonance Disorders", "Vocal Fold Polyp", "Vocal Cord Cyst", "Vocal Cord Polyp", "Atrophy of Vocal Cord" ], "interventions": [ { "name": "Inclusion of semi-occluded mask in voice therapy", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Jacqueline Gartner-Schmidt", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "60 Years", "sex": "ALL", "summary": "18 Years to 60 Years" }, "enrollment_count": 11, "start_date": "2018-06-19", "completion_date": "2019-12-30", "has_results": true, "last_update_posted_date": "2021-01-05", "last_synced_at": "2026-10-21T06:59:19.678Z", "location_count": 1, "location_summary": "Pittsburgh, Pennsylvania", "locations": [ { "city": "Pittsburgh", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT03410797" }, { "nct_id": "NCT05970562", "title": "Project 4: Ambulatory Biofeedback and Voice Therapy for Patients With Vocal Hyperfunction", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Voice Disorders", "Vocal Fold Polyp", "Vocal Nodules in Adults", "Muscle Tension Dysphonia" ], "interventions": [ { "name": "Ambulatory Voice Monitoring with Biofeedback (AVM-B)", "type": "DEVICE" }, { "name": "Conversation Training Therapy", "type": "BEHAVIORAL" } ], "intervention_types": [ "DEVICE", "BEHAVIORAL" ], "sponsor": "Massachusetts General Hospital", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 100, "start_date": "2024-03-01", "completion_date": "2029-04-01", "has_results": false, "last_update_posted_date": "2026-09-08", "last_synced_at": "2026-10-21T06:59:19.678Z", "location_count": 2, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" }, { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT05970562" } ] }