{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Sex+Chromosome+Abnormalities&page=4",
    "query": {
      "condition": "Sex Chromosome Abnormalities",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 155,
    "total_pages": 16,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Sex+Chromosome+Abnormalities&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Sex+Chromosome+Abnormalities&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T00:52:49.193Z",
  "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": "NCT02061384",
      "title": "RA-2 13-cis Retinoic Acid (Isotretinoin)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Male Infertility",
        "Klinefelter's Syndrome",
        "Y-chromosome Microdeletions"
      ],
      "interventions": [
        {
          "name": "13-cis retinoic acid",
          "type": "DRUG"
        },
        {
          "name": "Calcitriol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "MALE",
        "summary": "21 Years to 60 Years · Male only"
      },
      "enrollment_count": 20,
      "start_date": "2014-08",
      "completion_date": "2018-12",
      "has_results": true,
      "last_update_posted_date": "2021-08-02",
      "last_synced_at": "2026-10-01T00:52:49.193Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02061384"
    },
    {
      "nct_id": "NCT06413537",
      "title": "Study of SPG601 in Adult Men With Fragile X Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fragile X Syndrome"
      ],
      "interventions": [
        {
          "name": "SPG601",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Spinogenix",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 10,
      "start_date": "2024-07-05",
      "completion_date": "2024-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-05-26",
      "last_synced_at": "2026-10-01T00:52:49.193Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06413537"
    },
    {
      "nct_id": "NCT03836300",
      "title": "Parent and Infant Inter(X)Action Intervention (PIXI)",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fragile X Syndrome",
        "Angelman Syndrome",
        "Prader-Willi Syndrome",
        "Dup15Q Syndrome",
        "Duchenne Muscular Dystrophy",
        "Phelan-McDermid Syndrome",
        "Rett Syndrome",
        "Smith Magenis Syndrome",
        "Williams Syndrome",
        "Turner Syndrome",
        "Klinefelter Syndrome",
        "Chromosome 22q11.2 Deletion Syndrome",
        "Tuberous Sclerosis",
        "Down Syndrome"
      ],
      "interventions": [
        {
          "name": "Parent-Infant Inter(X)action Intervention (PIXI)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "RTI International",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "Up to 99 Years"
      },
      "enrollment_count": 120,
      "start_date": "2018-11-30",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-10-01T00:52:49.193Z",
      "location_count": 1,
      "location_summary": "Research Triangle Park, North Carolina",
      "locations": [
        {
          "city": "Research Triangle Park",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03836300"
    },
    {
      "nct_id": "NCT01322165",
      "title": "National Registry of Genetically Triggered Thoracic Aortic Aneurysms and Cardiovascular Conditions",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Marfan Syndrome",
        "Turner Syndrome",
        "Ehlers-Danlos Syndrome",
        "Loeys-Dietz Syndrome",
        "FBN1, TGFBR1, TGFBR2, ACTA2 or MYH11 Genetic Mutation",
        "Bicuspid Aortic Valve Without Known Family History",
        "Bicuspid Aortic Valve With Family History",
        "Bicuspid Aortic Valve With Coarctation",
        "Familial Thoracic Aortic Aneurysm and Dissections",
        "Shprintzen-Goldberg Syndrome",
        "Other Aneur/Diss of Thoracic Aorta Not Due to Trauma, <50yo",
        "Other Congenital Heart Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 3706,
      "start_date": "2007-11",
      "completion_date": "2016-09",
      "has_results": false,
      "last_update_posted_date": "2016-12-20",
      "last_synced_at": "2026-10-01T00:52:49.193Z",
      "location_count": 7,
      "location_summary": "Honolulu, Hawaii • Baltimore, Maryland • New York, New York + 3 more",
      "locations": [
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01322165"
    },
    {
      "nct_id": "NCT01750957",
      "title": "A Study of RO4917523 in Pediatric Patients With Fragile X Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fragile X Syndrome"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "RO4917523",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "13 Years",
        "sex": "ALL",
        "summary": "5 Years to 13 Years"
      },
      "enrollment_count": 47,
      "start_date": "2013-02",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2016-08-11",
      "last_synced_at": "2026-10-01T00:52:49.193Z",
      "location_count": 20,
      "location_summary": "Long Beach, California • Sacramento, California • San Diego, California + 17 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01750957"
    },
    {
      "nct_id": "NCT06740162",
      "title": "Physical Activity and Community EmPOWERment Project",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intellectual Disability",
        "Neurodevelopmental Disorders",
        "Autism Spectrum Disorder",
        "Down Syndrome",
        "Fragile X Syndrome",
        "Cri-du-Chat Syndrome",
        "De Lange Syndrome",
        "Mental Retardation, X-Linked",
        "Prader-Willi Syndrome",
        "Rubinstein-Taybi Syndrome",
        "Trisomy 13 Syndrome",
        "WAGR Syndrome",
        "Williams Syndrome"
      ],
      "interventions": [
        {
          "name": "PACE Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 376,
      "start_date": "2025-01-10",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-02-23",
      "last_synced_at": "2026-10-01T00:52:49.193Z",
      "location_count": 2,
      "location_summary": "Fayetteville, Arkansas • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06740162"
    },
    {
      "nct_id": "NCT01817296",
      "title": "Klinefelter Fertility Preservation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Klinefelter Syndrome"
      ],
      "interventions": [
        {
          "name": "Testicular Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "25 Years",
        "sex": "MALE",
        "summary": "12 Years to 25 Years · Male only"
      },
      "enrollment_count": 15,
      "start_date": "2013-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-05-15",
      "last_synced_at": "2026-10-01T00:52:49.193Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01817296"
    },
    {
      "nct_id": "NCT00420459",
      "title": "A Prospective Open-label Study of Aripiprazole in Fragile X Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fragile X Syndrome"
      ],
      "interventions": [
        {
          "name": "Aripiprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "5 Years to 35 Years"
      },
      "enrollment_count": 12,
      "start_date": "2007-04",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2017-04-18",
      "last_synced_at": "2026-10-01T00:52:49.193Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00420459"
    },
    {
      "nct_id": "NCT06139172",
      "title": "Web Intervention for Parents of Youth With Genetic Syndromes (WINGS)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Telomeric 22Q13 Monosomy Syndrome",
        "Tuberous Sclerosis",
        "Hamartoma Syndrome, Multiple",
        "Fragile X Syndrome",
        "Angelman Syndrome",
        "Rett Syndrome",
        "Chromosome 15Q, Partial Deletion",
        "Creatine Deficiency, X-linked"
      ],
      "interventions": [
        {
          "name": "Functional Behavioral Training (FBT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Positive Parenting Strategies-Treatment as Usual",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "2 Years to 12 Years"
      },
      "enrollment_count": 79,
      "start_date": "2023-09-15",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-10-01T00:52:49.193Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06139172"
    },
    {
      "nct_id": "NCT05723835",
      "title": "A Research Study Looking at How Safe Somapacitan is and How Well it Works in Children Who Need Help to Grow - REAL 9",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "SGA",
        "Turner Syndrome",
        "Noonan Syndrome",
        "ISS"
      ],
      "interventions": [
        {
          "name": "Somapacitan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "10 Years to 18 Years"
      },
      "enrollment_count": 47,
      "start_date": "2023-02-01",
      "completion_date": "2027-10-29",
      "has_results": true,
      "last_update_posted_date": "2026-08-13",
      "last_synced_at": "2026-10-01T00:52:49.193Z",
      "location_count": 6,
      "location_summary": "Birmingham, Alabama • Sacramento, California • Centennial, Colorado + 3 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Idaho Falls",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05723835"
    }
  ]
}