{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Prader-Willi+Syndrome&page=2",
    "query": {
      "condition": "Prader-Willi Syndrome",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Prader-Willi+Syndrome&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T02:13:23.151Z",
  "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": "NCT05879614",
      "title": "An Open-Label Study of Oral NNZ-2591 in Prader-Willi Syndrome (PWS-001)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prader-Willi Syndrome"
      ],
      "interventions": [
        {
          "name": "NNZ-2591",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neuren Pharmaceuticals Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "4 Years to 12 Years"
      },
      "enrollment_count": 0,
      "start_date": "2023-09-01",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-12-09",
      "last_synced_at": "2026-05-22T02:13:23.151Z",
      "location_count": 4,
      "location_summary": "San Diego, California • Atlanta, Georgia • Chevy Chase, Maryland + 1 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chevy Chase",
          "state": "Maryland"
        },
        {
          "city": "Media",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05879614"
    },
    {
      "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": "2026-05-22T02:13:23.151Z",
      "location_count": 1,
      "location_summary": "Evansville, Indiana",
      "locations": [
        {
          "city": "Evansville",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01401244"
    },
    {
      "nct_id": "NCT04066088",
      "title": "Dose Clinical Trial of Guanfacine Extended Release for the Reduction of Aggression and Self-injuries Behavior Associated With Prader-Willi Syndrome",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Prader-Willi Syndrome"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Guanfacine extended release (GXR)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "6 Years to 35 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-12-01",
      "completion_date": "2020-08-21",
      "has_results": false,
      "last_update_posted_date": "2020-08-26",
      "last_synced_at": "2026-05-22T02:13:23.151Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04066088"
    },
    {
      "nct_id": "NCT02629991",
      "title": "Oxytocin vs. Placebo for the Treatment Hyperphagia in Children and Adolescents With Prader-Willi Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prader-Willi Syndrome",
        "Hyperphagia"
      ],
      "interventions": [
        {
          "name": "Intranasal Oxytocin (IN-OXT)",
          "type": "DRUG"
        },
        {
          "name": "Matched Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "5 Years to 18 Years"
      },
      "enrollment_count": 23,
      "start_date": "2015-10",
      "completion_date": "2018-05",
      "has_results": true,
      "last_update_posted_date": "2021-10-07",
      "last_synced_at": "2026-05-22T02:13:23.151Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02629991"
    },
    {
      "nct_id": "NCT05098509",
      "title": "A Study to Assess RAD011 (Cannabidiol Oral Solution) for the Treatment of Participants With Prader-Willi Syndrome",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Prader-Willi Syndrome"
      ],
      "interventions": [
        {
          "name": "RAD011",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Radius Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "8 Years to 65 Years"
      },
      "enrollment_count": 4,
      "start_date": "2022-04-13",
      "completion_date": "2022-10-31",
      "has_results": true,
      "last_update_posted_date": "2023-10-19",
      "last_synced_at": "2026-05-22T02:13:23.151Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • San Diego, California • Iowa City, Iowa + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Brooklyn",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05098509"
    },
    {
      "nct_id": "NCT03585244",
      "title": "Weight Change in PWS Over Six Months",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Weight Change, Body"
      ],
      "interventions": [
        {
          "name": "weekly weight",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Foundation for Prader-Willi Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 180,
      "start_date": "2018-06-15",
      "completion_date": "2019-04-30",
      "has_results": true,
      "last_update_posted_date": "2021-01-11",
      "last_synced_at": "2026-05-22T02:13:23.151Z",
      "location_count": 1,
      "location_summary": "Walnut, California",
      "locations": [
        {
          "city": "Walnut",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03585244"
    },
    {
      "nct_id": "NCT04257929",
      "title": "A Phase 2 Study to Evaluate the Safety and Efficacy of Pitolisant in Patients With Prader-Willi Syndrome, Followed by an Open Label Extension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prader-Willi Syndrome"
      ],
      "interventions": [
        {
          "name": "Pitolisant oral tablets",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Harmony Biosciences Management, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "6 Years to 65 Years"
      },
      "enrollment_count": 65,
      "start_date": "2020-12-09",
      "completion_date": "2026-01-21",
      "has_results": true,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-05-22T02:13:23.151Z",
      "location_count": 13,
      "location_summary": "San Diego, California • San Ramon, California • Santa Monica, California + 10 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Ramon",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04257929"
    },
    {
      "nct_id": "NCT05504395",
      "title": "A Pharmacokinetic and Safety Study of CSTI-500 in Subjects With Prader-Willi Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prader-Willi Syndrome"
      ],
      "interventions": [
        {
          "name": "CSTI-500",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ConSynance Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "13 Years to 50 Years"
      },
      "enrollment_count": 10,
      "start_date": "2022-11-14",
      "completion_date": "2023-02-21",
      "has_results": false,
      "last_update_posted_date": "2023-08-09",
      "last_synced_at": "2026-05-22T02:13:23.151Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05504395"
    },
    {
      "nct_id": "NCT01818921",
      "title": "An Efficacy, Safety, and Pharmacokinetics Study of Beloranib in Obese Subjects With Prader-Willi Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity",
        "Over-weight",
        "Prader-Willi Syndrome"
      ],
      "interventions": [
        {
          "name": "ZGN-440 sterile diluent",
          "type": "DRUG"
        },
        {
          "name": "1.2 mg ZGN-440 for injectable suspension",
          "type": "DRUG"
        },
        {
          "name": "1.8 mg ZGN-440 for injectable suspension",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Zafgen, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "16 Years to 65 Years"
      },
      "enrollment_count": 17,
      "start_date": "2013-06",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2016-07-18",
      "last_synced_at": "2026-05-22T02:13:23.151Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01818921"
    },
    {
      "nct_id": "NCT07219485",
      "title": "A Study of Pitolisant in Participants With Prader-Willi Syndrome",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prader-Willi Syndrome"
      ],
      "interventions": [
        {
          "name": "Pitolisant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Harmony Biosciences Management, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2025-08-20",
      "completion_date": "2030-08",
      "has_results": false,
      "last_update_posted_date": "2026-03-17",
      "last_synced_at": "2026-05-22T02:13:23.151Z",
      "location_count": 1,
      "location_summary": "Morrisville, North Carolina",
      "locations": [
        {
          "city": "Morrisville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07219485"
    }
  ]
}