{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Vocal+Cord+Paralysis+Unilateral",
    "query": {
      "condition": "Vocal Cord Paralysis Unilateral"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T04:00:30.714Z",
  "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": "NCT03790956",
      "title": "Silk Protein Microparticle-based Filler for Injection Augmentation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vocal Cord Paralysis Unilateral",
        "Dysphonia",
        "Dysphagia, Oropharyngeal"
      ],
      "interventions": [
        {
          "name": "Silk Microparticle Filler Injection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2020-07-01",
      "completion_date": "2023-03-15",
      "has_results": false,
      "last_update_posted_date": "2023-05-10",
      "last_synced_at": "2026-05-22T04:00:30.714Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03790956"
    },
    {
      "nct_id": "NCT00597844",
      "title": "Improving Functional Outcomes in Patients With Unilateral Vocal Cord Paralysis: Assessment of Adaptation Using Functional Magnetic Resonance Imaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intrathoracic Malignancies",
        "Unilateral Vocal Cord Paralysis"
      ],
      "interventions": [
        {
          "name": "voice evaluation and fMRI",
          "type": "OTHER"
        },
        {
          "name": "undergo voice evaluation and fMRI prior",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 20,
      "start_date": "2005-07",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2013-09-05",
      "last_synced_at": "2026-05-22T04:00:30.714Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00597844"
    },
    {
      "nct_id": "NCT03692494",
      "title": "The Effects of Adding Expiratory Muscle Strength Training in Voice Therapy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dysphonia",
        "Unilateral Vocal Cord Paralysis"
      ],
      "interventions": [
        {
          "name": "Standard of care voice therapy",
          "type": "OTHER"
        },
        {
          "name": "Expiratory muscle strength training (EMST)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2025-04-01",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-07",
      "last_synced_at": "2026-05-22T04:00:30.714Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03692494"
    },
    {
      "nct_id": "NCT07579364",
      "title": "Outcomes Tracking in Unilateral Vocal Fold Paralysis (UVFP) and Atrophy After Medialization Laryngeal Surgery",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Unilateral Vocal Cord Paralysis",
        "Vocal Cord Atrophy"
      ],
      "interventions": [
        {
          "name": "Laryngeal Framework Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2025-10-28",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-05-22T04:00:30.714Z",
      "location_count": 10,
      "location_summary": "La Jolla, California • Los Angeles, California • San Francisco, California + 7 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07579364"
    },
    {
      "nct_id": "NCT00064571",
      "title": "Surgery for Vocal Cord Paralysis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Unilateral Vocal Cord Paralysis"
      ],
      "interventions": [
        {
          "name": "vocal fold medialization",
          "type": "PROCEDURE"
        },
        {
          "name": "vocal fold reinnervation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "National Institute on Deafness and Other Communication Disorders (NIDCD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2002-10",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2006-04-24",
      "last_synced_at": "2026-05-22T04:00:30.714Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Irvine, California • Washington D.C., District of Columbia + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00064571"
    },
    {
      "nct_id": "NCT05119842",
      "title": "APrevent-VOIS-Implant-002 - a Two-Part, Open-Label, Non-Randomized Multicenter Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Paralysis, Unilateral, Vocal Cord"
      ],
      "interventions": [
        {
          "name": "APrevent® VOIS-Implant",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "APrevent Biotech GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 30,
      "start_date": "2019-11-13",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2025-02-06",
      "last_synced_at": "2026-05-22T04:00:30.714Z",
      "location_count": 4,
      "location_summary": "Phoenix, Arizona • Baltimore, Maryland • Cleveland, Ohio + 1 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05119842"
    },
    {
      "nct_id": "NCT02407301",
      "title": "Cough in Reduced True Vocal Fold Mobility",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Unilateral Vocal Cord Paresis",
        "Unilateral Vocal Cord Paralysis"
      ],
      "interventions": [
        {
          "name": "cough airflow measure",
          "type": "OTHER"
        },
        {
          "name": "vocal tasks",
          "type": "OTHER"
        },
        {
          "name": "true vocal fold movement",
          "type": "OTHER"
        },
        {
          "name": "spirometry test",
          "type": "OTHER"
        },
        {
          "name": "maximum expiratory pressure (MEP)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 15,
      "start_date": "2015-04",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2016-05-13",
      "last_synced_at": "2026-05-22T04:00:30.714Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02407301"
    }
  ]
}