{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Oligomenorrhea",
    "query": {
      "condition": "Oligomenorrhea"
    },
    "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": "2026-07-22T14:14:47.840Z",
  "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": "NCT01154192",
      "title": "Theca Cell Function in Adolescents With Polycystic Ovary Syndrome (PCOS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "PCOS"
      ],
      "interventions": [
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "recombinant human chorionic gonadotropin (r-hCG)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 18 Years · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2011-08",
      "completion_date": "2014-09",
      "has_results": true,
      "last_update_posted_date": "2019-04-30",
      "last_synced_at": "2026-07-22T14:14:47.840Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01154192"
    },
    {
      "nct_id": "NCT01889199",
      "title": "Androgen Excess as a Cause for Adipogenic Dysfunction in PCOS Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Polycystic Ovary Syndrome (PCOS)"
      ],
      "interventions": [
        {
          "name": "Flutamide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 23,
      "start_date": "2013-04",
      "completion_date": "2023-07-06",
      "has_results": true,
      "last_update_posted_date": "2025-01-10",
      "last_synced_at": "2026-07-22T14:14:47.840Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01889199"
    },
    {
      "nct_id": "NCT01927432",
      "title": "Ultrasound Characterization of Ovarian Follicle Dynamics in Women With Amenorrhea",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Oligomenorrhea",
        "Amenorrhea",
        "Polycystic Ovary Syndrome (PCOS)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 73,
      "start_date": "2011-09",
      "completion_date": "2021-09",
      "has_results": false,
      "last_update_posted_date": "2024-02-09",
      "last_synced_at": "2026-07-22T14:14:47.840Z",
      "location_count": 1,
      "location_summary": "Ithaca, New York",
      "locations": [
        {
          "city": "Ithaca",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01927432"
    },
    {
      "nct_id": "NCT03545945",
      "title": "Hysteroscopy in Chronic Anovulation",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Anovulation"
      ],
      "interventions": [
        {
          "name": "Additional office hysteroscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Endometrial biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2018-09-01",
      "completion_date": "2021-03-01",
      "has_results": false,
      "last_update_posted_date": "2021-06-18",
      "last_synced_at": "2026-07-22T14:14:47.840Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03545945"
    },
    {
      "nct_id": "NCT01313455",
      "title": "Adrenal Hyperplasia Among Young People With PCOS",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adrenal Hyperplasia",
        "Polycystic Ovarian Syndrome",
        "Oligomenorrhea",
        "Obesity",
        "Hyperandrogenism"
      ],
      "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": "16 Years",
        "maximum_age": "29 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 29 Years · Female only"
      },
      "enrollment_count": 96,
      "start_date": "2011-03-10",
      "completion_date": "2017-10-24",
      "has_results": false,
      "last_update_posted_date": "2019-05-31",
      "last_synced_at": "2026-07-22T14:14:47.840Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01313455"
    },
    {
      "nct_id": "NCT04424576",
      "title": "Ovarian Morphology in Girls",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amenorrhea",
        "Oligomenorrhea",
        "Puberty"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "17 Years",
        "sex": "FEMALE",
        "summary": "9 Years to 17 Years · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2020-01-31",
      "completion_date": "2025-03-31",
      "has_results": false,
      "last_update_posted_date": "2024-08-12",
      "last_synced_at": "2026-07-22T14:14:47.840Z",
      "location_count": 3,
      "location_summary": "Kansas City, Missouri • Ithaca, New York • Rochester, New York",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Ithaca",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04424576"
    }
  ]
}