{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Epidemiology",
    "query": {
      "condition": "Epidemiology"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 289,
    "total_pages": 29,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Epidemiology&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T04:49:13.172Z",
  "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": "NCT01351727",
      "title": "Epidemiologic Follow Up Study of Newly Diagnosed Epilepsy Among Seniors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Epileptic Seizures"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 97,
      "start_date": "2011-01",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2017-11-06",
      "last_synced_at": "2026-05-22T04:49:13.172Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01351727"
    },
    {
      "nct_id": "NCT06539169",
      "title": "FLOWER: Following Longitudinal Outcomes With Epidemiology for Rare Diseases",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alpha-Thalassemia",
        "Beta-Thalassemia",
        "Amyloidosis",
        "Amyotrophic Lateral Sclerosis",
        "Creutzfeld-Jakob Disease",
        "Cystic Fibrosis",
        "Duchenne Muscular Dystrophy",
        "Early-Onset Alzheimer Disease",
        "Ehlers-Danlos Syndrome",
        "Huntington Disease",
        "Gaucher Disease",
        "GM1 Gangliosidosis",
        "Myasthenia Gravis",
        "Pompe Disease",
        "Sickle Cell Disease",
        "Transthyretin Amyloid Cardiomyopathy",
        "Rare Diseases"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "xCures",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1000,
      "start_date": "2024-06-10",
      "completion_date": "2026-06-10",
      "has_results": false,
      "last_update_posted_date": "2024-11-14",
      "last_synced_at": "2026-05-22T04:49:13.172Z",
      "location_count": 1,
      "location_summary": "Los Altos, California",
      "locations": [
        {
          "city": "Los Altos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06539169"
    },
    {
      "nct_id": "NCT00502983",
      "title": "Molecular Epidemiology of Acute Myelogenous Leukemia",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "Interview",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 519,
      "start_date": "2003-06-23",
      "completion_date": "2020-09-30",
      "has_results": false,
      "last_update_posted_date": "2020-01-13",
      "last_synced_at": "2026-05-22T04:49:13.172Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00502983"
    },
    {
      "nct_id": "NCT02015455",
      "title": "Trial of Inserting Prevalence Information Into Lumbar Spine Imaging Reports",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Low Back Pain",
        "Back Pain",
        "Lumbar Pain",
        "Backache"
      ],
      "interventions": [
        {
          "name": "Epidemiologic benchmarks included in lumbar imaging reports",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 250401,
      "start_date": "2013-10-01",
      "completion_date": "2018-12-14",
      "has_results": true,
      "last_update_posted_date": "2022-02-14",
      "last_synced_at": "2026-05-22T04:49:13.172Z",
      "location_count": 4,
      "location_summary": "Oakland, California • Detroit, Michigan • Minneapolis, Minnesota + 1 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02015455"
    },
    {
      "nct_id": "NCT00013637",
      "title": "Lead Exposure, Genetics, and Osteoporosis Epidemiology",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoporosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Environmental Health Sciences (NIEHS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "0 Years and older · Female only"
      },
      "enrollment_count": 650,
      "start_date": "1998-09",
      "completion_date": "2003-08",
      "has_results": false,
      "last_update_posted_date": "2006-09-04",
      "last_synced_at": "2026-05-22T04:49:13.172Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00013637"
    },
    {
      "nct_id": "NCT00198861",
      "title": "Neurobehavioral Model of HIV in Injection Drug Users",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Drug Abuse",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Injection and Non-Injection Drug Users",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The City College of New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "15 Years to 50 Years"
      },
      "enrollment_count": 836,
      "start_date": "2002-02",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2016-08-02",
      "last_synced_at": "2026-05-22T04:49:13.172Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00198861"
    },
    {
      "nct_id": "NCT01161953",
      "title": "Genetic Epidemiology of Primary Biliary Cirrhosis (PBC)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Biliary Cirrhosis"
      ],
      "interventions": [
        {
          "name": "Genetic Analysis",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 1500,
      "start_date": "2002-03",
      "completion_date": "2025-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-29",
      "last_synced_at": "2026-05-22T04:49:13.172Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01161953"
    },
    {
      "nct_id": "NCT03248141",
      "title": "Understanding Hemophilia A and B Drug Dosage Administration Patterns",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophilia A",
        "Hemophilia B"
      ],
      "interventions": [
        {
          "name": "Hemophilia B standard half-life",
          "type": "DRUG"
        },
        {
          "name": "Hemophilia B extended half-life",
          "type": "DRUG"
        },
        {
          "name": "Hemophilia A standard half-life",
          "type": "DRUG"
        },
        {
          "name": "Hemophilia A extended half-life",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 11,
      "start_date": "2017-09-01",
      "completion_date": "2018-03-14",
      "has_results": true,
      "last_update_posted_date": "2019-05-20",
      "last_synced_at": "2026-05-22T04:49:13.172Z",
      "location_count": 3,
      "location_summary": "Gainesville, Florida • Las Vegas, Nevada • Fort Worth, Texas",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03248141"
    },
    {
      "nct_id": "NCT00197704",
      "title": "Nutrition, Immunology and Epidemiology of Tuberculosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Tuberculosis"
      ],
      "interventions": [
        {
          "name": "Multivitamins",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Harvard School of Public Health (HSPH)",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 876,
      "start_date": "2000-03",
      "completion_date": "2004-05",
      "has_results": false,
      "last_update_posted_date": "2010-11-11",
      "last_synced_at": "2026-05-22T04:49:13.172Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00197704"
    },
    {
      "nct_id": "NCT06373328",
      "title": "Post Pandemic Pneumococcal Carriage Among Children and Adults",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pneumococcal Carriage"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Central Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Months and older"
      },
      "enrollment_count": 900,
      "start_date": "2024-06-12",
      "completion_date": "2026-03",
      "has_results": false,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-05-22T04:49:13.172Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06373328"
    }
  ]
}