{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Vocal+Cord+Dysfunction",
    "query": {
      "condition": "Vocal Cord Dysfunction"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T05:38:37.353Z",
  "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": "NCT01916616",
      "title": "A Multidisciplinary Approach to Vocal Cord Dysfunction: A Novel Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vocal Cord Dysfunction"
      ],
      "interventions": [
        {
          "name": "Four therapy sessions with a psychologist utilizing cognitive-behavioral therapy techniques",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "CAMC Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "13 Years to 18 Years"
      },
      "enrollment_count": 20,
      "start_date": "2013-09-01",
      "completion_date": "2015-06-30",
      "has_results": false,
      "last_update_posted_date": "2020-03-04",
      "last_synced_at": "2026-05-22T05:38:37.353Z",
      "location_count": 1,
      "location_summary": "Charleston, West Virginia",
      "locations": [
        {
          "city": "Charleston",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01916616"
    },
    {
      "nct_id": "NCT05770518",
      "title": "Biofeedback vs Laryngeal Control Therapy in Management of Paradoxical Vocal Fold Motion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Paradoxical Vocal Fold Motion",
        "Vocal Cord Dysfunction"
      ],
      "interventions": [
        {
          "name": "Biofeedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Laryngeal control therapy (LCT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2023-03-07",
      "completion_date": "2024-07-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-22",
      "last_synced_at": "2026-05-22T05:38:37.353Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05770518"
    },
    {
      "nct_id": "NCT07420530",
      "title": "Respiratory and Real-time Dynamics in Exercise-Induced Paradoxical Vocal Fold Motion",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Exercise-Induced Vocal Cord Dysfunction",
        "Paradoxical Vocal Fold Motion",
        "Vocal Cord Dysfunction"
      ],
      "interventions": [
        {
          "name": "Carbon Dioxide",
          "type": "DRUG"
        },
        {
          "name": "Breathing treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "18 Years to 26 Years"
      },
      "enrollment_count": 120,
      "start_date": "2026-04-20",
      "completion_date": "2032-01-20",
      "has_results": false,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-05-22T05:38:37.353Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07420530"
    },
    {
      "nct_id": "NCT02947009",
      "title": "Exercise-induced Paradoxical Vocal Fold Motion Disorder: Clinical Features and Potential Mechanisms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Disorder of Vocal Cord"
      ],
      "interventions": [
        {
          "name": "Diagnostic Study",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 27,
      "start_date": "2016-11",
      "completion_date": "2017-07-03",
      "has_results": false,
      "last_update_posted_date": "2017-08-14",
      "last_synced_at": "2026-05-22T05:38:37.353Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02947009"
    },
    {
      "nct_id": "NCT06406725",
      "title": "Detection of Vocal Fold Motion Impairment on Noninvasive Positive Pressure",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vocal Cord Dysfunction",
        "Vocal Cord Paralysis",
        "Vocal Cord Paresis",
        "Recurrent Laryngeal Nerve Palsy",
        "Recurrent Laryngeal Nerve Injuries"
      ],
      "interventions": [
        {
          "name": "Point-of-Care Ultrasound of the Airway",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Nemours Children's Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "1 Day to 18 Years"
      },
      "enrollment_count": 50,
      "start_date": "2024-03-30",
      "completion_date": "2028-05-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-05-22T05:38:37.353Z",
      "location_count": 1,
      "location_summary": "Queens, New York",
      "locations": [
        {
          "city": "Queens",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06406725"
    },
    {
      "nct_id": "NCT05246930",
      "title": "Evaluating the Use of a Device Called Impulse Oscillometry in Participants With Vocal Cord Disorders or Asthma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breathing, Mouth",
        "Lung Function Decreased",
        "Vocal Cord Dysfunction",
        "Laryngeal Obstruction",
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Impulse Oscillometer",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2022-06-15",
      "completion_date": "2024-12-01",
      "has_results": false,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-05-22T05:38:37.353Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05246930"
    },
    {
      "nct_id": "NCT02859974",
      "title": "Treatment of Paradoxical Vocal Fold Motion Disorder (PVFMD) With a Form of Respiratory Retraining Technique",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Paradoxical Vocal Fold Motion Disorder",
        "Vocal Cord Dysfunction"
      ],
      "interventions": [
        {
          "name": "Respiratory retraining for PVFMD",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2015-09",
      "completion_date": "2017-05-22",
      "has_results": false,
      "last_update_posted_date": "2017-06-09",
      "last_synced_at": "2026-05-22T05:38:37.353Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02859974"
    },
    {
      "nct_id": "NCT03015870",
      "title": "Technology-assisted Vocal Exercise for Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "Vocal exercise with real-time feedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vocal exercise with recording",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2014-09",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-01-10",
      "last_synced_at": "2026-05-22T05:38:37.353Z",
      "location_count": 1,
      "location_summary": "Champaign, Illinois",
      "locations": [
        {
          "city": "Champaign",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03015870"
    },
    {
      "nct_id": "NCT04159116",
      "title": "Prevention and Treatment of Laryngospasm and Hypoxemia Based on Risk Factors in Adult Outpatients Undergoing EGD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Laryngospasm",
        "Hypoxemia"
      ],
      "interventions": [
        {
          "name": "Prophylactic suctioning when clinically indicated",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Envision Healthcare Scientific Intelligence, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2019-11-04",
      "completion_date": "2020-03-19",
      "has_results": false,
      "last_update_posted_date": "2021-03-17",
      "last_synced_at": "2026-05-22T05:38:37.353Z",
      "location_count": 1,
      "location_summary": "Moon Township, Pennsylvania",
      "locations": [
        {
          "city": "Moon Township",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04159116"
    }
  ]
}