{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=DSD%2C+Sex+Chromosome&page=2",
    "query": {
      "condition": "DSD, Sex Chromosome",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 70,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=DSD%2C+Sex+Chromosome&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=DSD%2C+Sex+Chromosome&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T08:32:34.708Z",
  "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": "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": "2026-10-09T08:32:34.708Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01817296"
    },
    {
      "nct_id": "NCT07784582",
      "title": "Pre-pubertal Low Dose Transdermal Estradiol in Turner Syndrome",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Turner Syndrome",
        "Primary Ovarian Insufficiency"
      ],
      "interventions": [
        {
          "name": "Estradiol transdermal patch 0.025mg/24 hours- 1/8th fractionated patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's National Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "12 Years",
        "sex": "FEMALE",
        "summary": "8 Years to 12 Years · Female only"
      },
      "enrollment_count": 15,
      "start_date": "2026-09-01",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-10-09T08:32:34.708Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07784582"
    },
    {
      "nct_id": "NCT02417740",
      "title": "Natural History of Noncirrhotic Portal Hypertension",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cystic Fibrosis",
        "Immunologic Deficiency Syndrome",
        "Turner Syndrome",
        "Congenital Hepatic Fibrosis",
        "Idiopathic Non-Cirrhotic Portal Hypertension"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "12 Years to 100 Years"
      },
      "enrollment_count": 400,
      "start_date": "2015-07-27",
      "completion_date": "2029-09-04",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-10-09T08:32:34.708Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02417740"
    },
    {
      "nct_id": "NCT03440697",
      "title": "Pathogenetic Basis of Aortopathy and Aortic Valve Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aortopathies",
        "Thoracic Aortic Aneurysm",
        "Aortic Valve Disease",
        "Thoracic Aortic Disease",
        "Thoracic Aortic Dissection",
        "Thoracic Aortic Rupture",
        "Ascending Aortic Disease",
        "Descending Aortic Disease",
        "Ascending Aortic Aneurysm",
        "Descending Aortic Aneurysm",
        "Marfan Syndrome",
        "Loeys-Dietz Syndrome",
        "Vascular Ehlers-Danlos Syndrome",
        "Shprintzen-Goldberg Syndrome",
        "Turner Syndrome",
        "PHACE Syndrome",
        "Autosomal Recessive Cutis Laxa",
        "Congenital Contractural Arachnodactyly",
        "Arterial Tortuosity Syndrome",
        "Bicuspid Aortic Valve-Associated Aortopathy",
        "Bicuspid Aortic Valve",
        "Familial Thoracic Aortic Aneurysm and Aortic Dissection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 3000,
      "start_date": "2015-12-10",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-13",
      "last_synced_at": "2026-10-09T08:32:34.708Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia • Indianapolis, Indiana",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03440697"
    },
    {
      "nct_id": "NCT00770458",
      "title": "Non-Invasive Screening for Fetal Aneuploidy: A New Maternal Plasma Marker",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Down Syndrome (Trisomy 21)",
        "Edwards Syndrome (Trisomy 18)",
        "Patau Syndrome (Trisomy 13)",
        "Turner Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Sequenom, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 1000,
      "start_date": "2008-06",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2010-01-06",
      "last_synced_at": "2026-10-09T08:32:34.708Z",
      "location_count": 7,
      "location_summary": "La Jolla, California • San Diego, California • San Jose, California + 4 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00770458"
    },
    {
      "nct_id": "NCT00891852",
      "title": "Non-Invasive Determination of Fetal Chromosome Abnormalities",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Down Syndrome (Trisomy 21)",
        "Edward's Syndrome (Trisomy 18)",
        "Patau Syndrome (Trisomy 13)",
        "Klinefelter Syndrome (47, XXY)",
        "and Other Chromosome",
        "Abnormalities."
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Lenetix Medical Screening Laboratory",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 1000,
      "start_date": "2009-01",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2009-05-01",
      "last_synced_at": "2026-10-09T08:32:34.708Z",
      "location_count": 7,
      "location_summary": "Rockville, Maryland • Moristown, New Jersey • Mineola, New York + 3 more",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Moristown",
          "state": "New Jersey"
        },
        {
          "city": "Mineola",
          "state": "New York"
        },
        {
          "city": "New Hyde Park",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00891852"
    },
    {
      "nct_id": "NCT06834594",
      "title": "Bleeding Patterns in Sequential and Continuous Progesterone Supplementation in Adolescents With Turner Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Turner Syndrome",
        "Primary Ovarian Insufficiency (Poi)"
      ],
      "interventions": [
        {
          "name": "Micronized progesterone 200 MG",
          "type": "DRUG"
        },
        {
          "name": "Micronized Progesterone 100 MG",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Mercy Hospital Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "20 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 20 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2025-07-31",
      "completion_date": "2028-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-10-09T08:32:34.708Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06834594"
    },
    {
      "nct_id": "NCT02723305",
      "title": "Cardiometabolic Profiles of Boys With Klinefelter Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Klinefelter Syndrome",
        "47,XXY",
        "Sex Chromosome Aneuploidy",
        "XXY Syndrome"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "MALE",
        "summary": "12 Years to 17 Years · Male only"
      },
      "enrollment_count": 31,
      "start_date": "2016-05",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2022-03-08",
      "last_synced_at": "2026-10-09T08:32:34.708Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02723305"
    },
    {
      "nct_id": "NCT00006334",
      "title": "Turner Syndrome: Genotype and Phenotype",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Turner's Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 1017,
      "start_date": "2000-09-26",
      "completion_date": "2014-07-08",
      "has_results": false,
      "last_update_posted_date": "2017-10-06",
      "last_synced_at": "2026-10-09T08:32:34.708Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006334"
    },
    {
      "nct_id": "NCT02381457",
      "title": "SNP-based Microdeletion and Aneuploidy RegisTry (SMART)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "22q11 Deletion Syndrome",
        "DiGeorge Syndrome",
        "Trisomy 21",
        "Trisomy 18",
        "Trisomy 13",
        "Monosomy X",
        "Sex Chromosome Abnormalities",
        "Cri-du-Chat Syndrome",
        "Angelman Syndrome",
        "Prader-Willi Syndrome",
        "1p36 Deletion Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Natera, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "48 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 48 Years · Female only"
      },
      "enrollment_count": 20960,
      "start_date": "2015-04",
      "completion_date": "2020-06",
      "has_results": false,
      "last_update_posted_date": "2021-01-29",
      "last_synced_at": "2026-10-09T08:32:34.708Z",
      "location_count": 16,
      "location_summary": "San Francisco, California • Camden, New Jersey • Mount Laurel, New Jersey + 10 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Camden",
          "state": "New Jersey"
        },
        {
          "city": "Mount Laurel",
          "state": "New Jersey"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "Garden City",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02381457"
    }
  ]
}