{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Differences+in+Sex+Development",
    "query": {
      "condition": "Differences in Sex Development"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T05:37:17.253Z",
  "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": "NCT02052479",
      "title": "Insulin Differences Between African-American and Caucasian Female Adolescents With Polycystic Ovary Syndrome (PCOS)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Polycystic Ovary Syndrome",
        "PCOS"
      ],
      "interventions": [
        {
          "name": "Frequently Sampled Intravenous Glucose Tolerance Test (FSIVGTT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 18 Years · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2014-01",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2019-10-07",
      "last_synced_at": "2026-05-22T05:37:17.253Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02052479"
    },
    {
      "nct_id": "NCT01184651",
      "title": "Tweens to Teens Project at Penn State",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Adrenal Hyperplasia"
      ],
      "interventions": [
        {
          "name": "Questionnaires/Interviews",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "13 Years",
        "sex": "FEMALE",
        "summary": "10 Years to 13 Years · Female only"
      },
      "enrollment_count": 188,
      "start_date": "2009-08",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2018-01-08",
      "last_synced_at": "2026-05-22T05:37:17.253Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01184651"
    },
    {
      "nct_id": "NCT01475565",
      "title": "Insulin Resistance Before and During Pregnancy in Women With Polycystic Ovary Syndrome",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Polycystic Ovary Syndrome",
        "Insulin Resistance",
        "Insulin Sensitivity",
        "Obesity",
        "Pregnancy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 2,
      "start_date": "2013-05",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2015-12-14",
      "last_synced_at": "2026-05-22T05:37:17.253Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01475565"
    },
    {
      "nct_id": "NCT00542841",
      "title": "Examining Genetic Differences Among People With 21-Hydroxylase Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "21-hydroxylase Deficiency"
      ],
      "interventions": [
        {
          "name": "Hydrocortisone withdrawal",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Maria I. New",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 99,
      "start_date": "2007-08",
      "completion_date": "2009-03",
      "has_results": false,
      "last_update_posted_date": "2015-12-14",
      "last_synced_at": "2026-05-22T05:37:17.253Z",
      "location_count": 2,
      "location_summary": "New York, New York • Dallas, Texas",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00542841"
    },
    {
      "nct_id": "NCT04948658",
      "title": "Gonadal Tissue Freezing for Fertility Preservation in Individuals at Risk for Ovarian Dysfunction, Premature Ovarian Insufficiency and Clinically Indicated Gonadectomy",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Turner Syndrome",
        "Post-menarcheal Adolescents",
        "Ovarian Disfunction",
        "Galactosemia",
        "Variations in Sex Characteristics",
        "Differences in Sex Development"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "2 Years to 35 Years"
      },
      "enrollment_count": 200,
      "start_date": "2021-09-13",
      "completion_date": "2030-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-05-22T05:37:17.253Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04948658"
    },
    {
      "nct_id": "NCT00877942",
      "title": "Sex Differences in Early Brain Development; Brain Development in Turner Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Turner Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Weeks",
        "maximum_age": "2 Years",
        "sex": "ALL",
        "summary": "2 Weeks to 2 Years"
      },
      "enrollment_count": 295,
      "start_date": "2006-10",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2014-05-02",
      "last_synced_at": "2026-05-22T05:37:17.253Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00877942"
    }
  ]
}