{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Prader+Willi+Syndrome",
    "query": {
      "condition": "Prader Willi Syndrome"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 74,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Prader+Willi+Syndrome&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T21:37:37.773Z",
  "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": "NCT02368379",
      "title": "Diagnosis of Central Adrenal Insufficiency in Patients With Prader-Willi Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prader Willi Syndrome",
        "Adrenal Insufficiency"
      ],
      "interventions": [
        {
          "name": "Low dose (1 mcg) ACTH stimulation test",
          "type": "OTHER"
        },
        {
          "name": "Overnight metyrapone test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2014-03",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2018-01-29",
      "last_synced_at": "2026-06-26T21:37:37.773Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02368379"
    },
    {
      "nct_id": "NCT01401244",
      "title": "Bioequivalence of Two Somatropin Products (Norditropin® Versus Genotropin®) in Healthy Adult Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Genetic Disorder",
        "Prader-Willi Syndrome",
        "Growth Disorder",
        "Idiopathic Short Stature",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "somatropin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 30,
      "start_date": "2011-07-14",
      "completion_date": "2011-09-27",
      "has_results": false,
      "last_update_posted_date": "2017-02-24",
      "last_synced_at": "2026-06-26T21:37:37.773Z",
      "location_count": 1,
      "location_summary": "Evansville, Indiana",
      "locations": [
        {
          "city": "Evansville",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01401244"
    },
    {
      "nct_id": "NCT06901245",
      "title": "Tirzepatide in PWS, HO and GNSO",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Prader-Willi Syndrome",
        "Hypothalamic Obesity",
        "Obesity/Therapy"
      ],
      "interventions": [
        {
          "name": "Tirzepatide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Grace Kim",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "18 Years to 26 Years"
      },
      "enrollment_count": 36,
      "start_date": "2025-05-01",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-09-16",
      "last_synced_at": "2026-06-26T21:37:37.773Z",
      "location_count": 3,
      "location_summary": "Saint Paul, Minnesota • Nashville, Tennessee • Seattle, Washington",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06901245"
    },
    {
      "nct_id": "NCT03790865",
      "title": "Effects of Livoletide (AZP-531) on Food-related Behaviors in Patients With Prader-Willi Syndrome",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Prader-Willi Syndrome",
        "Hyperphagia"
      ],
      "interventions": [
        {
          "name": "Livoletide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Millendo Therapeutics SAS",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "4 Years to 65 Years"
      },
      "enrollment_count": 158,
      "start_date": "2019-03-25",
      "completion_date": "2020-05-25",
      "has_results": true,
      "last_update_posted_date": "2021-02-17",
      "last_synced_at": "2026-06-26T21:37:37.773Z",
      "location_count": 15,
      "location_summary": "Birmingham, Alabama • Orange, California • San Diego, California + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03790865"
    },
    {
      "nct_id": "NCT03848481",
      "title": "CBDV vs Placebo in Children and Adults up to Age 30 With Prader-Willi Syndrome (PWS)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prader-Willi Syndrome"
      ],
      "interventions": [
        {
          "name": "CBDV Compound",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eric Hollander",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "5 Years to 30 Years"
      },
      "enrollment_count": 6,
      "start_date": "2020-11-23",
      "completion_date": "2024-10-31",
      "has_results": true,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-06-26T21:37:37.773Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03848481"
    },
    {
      "nct_id": "NCT05938543",
      "title": "Cerebellar TMS and Satiety in Prader-Willi Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prader-Willi Syndrome"
      ],
      "interventions": [
        {
          "name": "Repetitive Transcranial Magnetic Stimulation (rTMS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 20,
      "start_date": "2023-09-01",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2025-12-05",
      "last_synced_at": "2026-06-26T21:37:37.773Z",
      "location_count": 1,
      "location_summary": "Belmont, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05938543"
    },
    {
      "nct_id": "NCT03458416",
      "title": "A Study to Assess the Long-Term Safety of Pharmaceutical Grade Synthetic Cannabidiol Oral Solution in Participants With Prader-Willi Syndrome",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prader-Willi Syndrome"
      ],
      "interventions": [
        {
          "name": "Cannabidiol Oral Solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Radius Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "8 Years to 17 Years"
      },
      "enrollment_count": 2,
      "start_date": "2018-09-06",
      "completion_date": "2019-07-31",
      "has_results": true,
      "last_update_posted_date": "2023-06-22",
      "last_synced_at": "2026-06-26T21:37:37.773Z",
      "location_count": 1,
      "location_summary": "Tacoma, Washington",
      "locations": [
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03458416"
    },
    {
      "nct_id": "NCT02011360",
      "title": "Prader-Willi Syndrome Macronutrient Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prader Willi Syndrome",
        "Syndromic Obesity",
        "Childhood Obesity"
      ],
      "interventions": [
        {
          "name": "Low Carbohydrate diet",
          "type": "OTHER"
        },
        {
          "name": "Low Fat diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 10,
      "start_date": "2014-05",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2016-12-14",
      "last_synced_at": "2026-06-26T21:37:37.773Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02011360"
    },
    {
      "nct_id": "NCT05198362",
      "title": "Study of Tesomet With Open-label Extension in Subjects With Prader-Willi Syndrome",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prader-Willi Syndrome"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Tesomet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Saniona",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "13 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2021-12-28",
      "completion_date": "2022-12-09",
      "has_results": false,
      "last_update_posted_date": "2022-12-13",
      "last_synced_at": "2026-06-26T21:37:37.773Z",
      "location_count": 1,
      "location_summary": "Lansing, Michigan",
      "locations": [
        {
          "city": "Lansing",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05198362"
    },
    {
      "nct_id": "NCT03277157",
      "title": "B. Lactis B94 Effects of Gastrointestinal Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "B. lactis B94",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 28,
      "start_date": "2017-12-08",
      "completion_date": "2019-07-17",
      "has_results": false,
      "last_update_posted_date": "2019-08-28",
      "last_synced_at": "2026-06-26T21:37:37.773Z",
      "location_count": 3,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03277157"
    }
  ]
}