{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Epidemiology&page=2",
    "query": {
      "condition": "Epidemiology",
      "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=Epidemiology&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T17:48:11.320Z",
  "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": "NCT00478309",
      "title": "Genetic Epidemiology Risk Assessment Program or Usual Care in Colorectal Cancer Screening for Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer",
        "Healthy, no Evidence of Disease"
      ],
      "interventions": [
        {
          "name": "counseling intervention",
          "type": "OTHER"
        },
        {
          "name": "educational intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Fox Chase Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 697,
      "start_date": "2007-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-03-03",
      "last_synced_at": "2026-06-10T17:48:11.320Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00478309"
    },
    {
      "nct_id": "NCT05357404",
      "title": "Age and Sex-Specific PREValence of AcqUirEd VALVular Heart DiseasE",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Valvular Heart Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Cardiovascular Research Foundation, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "65 Years to 85 Years"
      },
      "enrollment_count": 2870,
      "start_date": "2022-04-21",
      "completion_date": "2025-04",
      "has_results": false,
      "last_update_posted_date": "2025-02-07",
      "last_synced_at": "2026-06-10T17:48:11.320Z",
      "location_count": 1,
      "location_summary": "Walnut Creek, California",
      "locations": [
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05357404"
    },
    {
      "nct_id": "NCT00004850",
      "title": "Epidemiology, Infectivity and Natural History of Hepatitis C Virus Infection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hepatitis C",
        "Hepatitis B"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 805,
      "start_date": "1991-03-15",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-06-10T17:48:11.320Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004850"
    },
    {
      "nct_id": "NCT00573235",
      "title": "Epidemiology of Community - Associated Extended-spectrum Beta-lactamases (ESBL) Producing Escherichia Coli",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Enterobacteriaceae Infections"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2007-10",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2018-06-14",
      "last_synced_at": "2026-06-10T17:48:11.320Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00573235"
    },
    {
      "nct_id": "NCT04743037",
      "title": "Interactive Self-Management Augmented by Rehabilitation Technologies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Occupational Therapy",
        "Epidemiology",
        "Neurologic Disorder"
      ],
      "interventions": [
        {
          "name": "iSMART",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2020-09-01",
      "completion_date": "2021-06-30",
      "has_results": false,
      "last_update_posted_date": "2021-08-30",
      "last_synced_at": "2026-06-10T17:48:11.320Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04743037"
    },
    {
      "nct_id": "NCT01656694",
      "title": "A Single-Center, Epidemiological Study of the Survivorship of the DePuy Sigma HP Unicompartmental Knee Prosthesis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis",
        "Unicompartmental Knee Arthroscopy"
      ],
      "interventions": [
        {
          "name": "DePuy Sigma HP Partial Knee",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mississippi Sports Medicine and Orthopaedic Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2012-08",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2018-03-22",
      "last_synced_at": "2026-06-10T17:48:11.320Z",
      "location_count": 1,
      "location_summary": "Jackson, Mississippi",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01656694"
    },
    {
      "nct_id": "NCT00705809",
      "title": "T-Cell Project: Epidemiologic Component",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Peripheral T-Cell Lymphoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 800,
      "start_date": "2008-06-18",
      "completion_date": "2011-07-20",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-06-10T17:48:11.320Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00705809"
    },
    {
      "nct_id": "NCT00039676",
      "title": "Clinical, Laboratory and Epidemiologic Characterization of Individuals and Families at High Risk of Hematologic Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Waldenstrom Macroglobulinemia",
        "Chronic Lymphocytic Leukemia",
        "Hodgkin Disease",
        "NonHodgkin Lymphoma",
        "Mixed Lymphoproliferative Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "11 Months and older"
      },
      "enrollment_count": 1836,
      "start_date": "2002-07-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-06-10T17:48:11.320Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • Rockville, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00039676"
    },
    {
      "nct_id": "NCT04937400",
      "title": "Delirium in Children Undergoing Stem Cell Transplantation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stem Cell Transplant Complications",
        "Delirium"
      ],
      "interventions": [
        {
          "name": "Daily screening for delirium",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 1040,
      "start_date": "2021-07-12",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-14",
      "last_synced_at": "2026-06-10T17:48:11.320Z",
      "location_count": 5,
      "location_summary": "San Francisco, California • Boston, Massachusetts • New York, New York + 2 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04937400"
    },
    {
      "nct_id": "NCT04888936",
      "title": "Clinical, Genetic, and Epidemiologic Study of Children and Adults With RASopathies",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Costello Syndrome",
        "Noonan Syndrome",
        "Cardiofaciocutaneous Syndrome",
        "Legius Syndrome",
        "Capillary Arteriovenous Malformation Syndrome",
        "RASopathy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "1 Month to 99 Years"
      },
      "enrollment_count": 500,
      "start_date": "2022-04-25",
      "completion_date": "2035-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-03",
      "last_synced_at": "2026-06-10T17:48:11.320Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • Rockville, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04888936"
    }
  ]
}