{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Historical+Controls&page=7",
    "query": {
      "intervention": "Historical Controls",
      "page": 7
    },
    "page_size": 10
  },
  "pagination": {
    "page": 7,
    "page_size": 10,
    "total_count": 413,
    "total_pages": 42,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Historical+Controls&page=8&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Historical+Controls&page=6&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-27T08:52:29.954Z",
  "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": "NCT02837172",
      "title": "Diagnosis of PD and PD Progression Using DWI",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Diffusion Weighted Imaging (DWI)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 58,
      "start_date": "2014-09-25",
      "completion_date": "2019-04-14",
      "has_results": false,
      "last_update_posted_date": "2019-06-19",
      "last_synced_at": "2026-10-27T08:52:29.954Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02837172"
    },
    {
      "nct_id": "NCT02431923",
      "title": "Ebola Virus Disease Survivors: Clinical and Immunologic Follow-up",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ebola Virus Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "Up to 100 Years"
      },
      "enrollment_count": 4043,
      "start_date": "2017-12-02",
      "completion_date": "2021-04-30",
      "has_results": false,
      "last_update_posted_date": "2022-10-10",
      "last_synced_at": "2026-10-27T08:52:29.954Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02431923"
    },
    {
      "nct_id": "NCT00092235",
      "title": "Natural History Study of Clinical and Biological Factors Determining Outcomes in Chronic Graft-Versus-Host Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Graft vs. Host Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "1 Year to 120 Years"
      },
      "enrollment_count": 650,
      "start_date": "2004-10-26",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-10-26",
      "last_synced_at": "2026-10-27T08:52:29.954Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00092235"
    },
    {
      "nct_id": "NCT01570426",
      "title": "Brain Imaging and Computer Games in Children With Either Bipolar Disorder, ADHD, Anxiety or Healthy Controls",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bipolar Disorder",
        "Attention Deficit Disorder With Hyperactivity",
        "Attention Deficit Disorder Without Hyperactivity",
        "Generalized Anxiety Disorder",
        "Healthy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Bradley Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "7 Years to 17 Years"
      },
      "enrollment_count": 240,
      "start_date": "2007-07",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2018-01-18",
      "last_synced_at": "2026-10-27T08:52:29.954Z",
      "location_count": 1,
      "location_summary": "East Providence, Rhode Island",
      "locations": [
        {
          "city": "East Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01570426"
    },
    {
      "nct_id": "NCT05284084",
      "title": "Prevention of Broncho-aspiration (BA) in Adult Subjects During Their ICU Stay",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bronchial Aspiration"
      ],
      "interventions": [
        {
          "name": "Bed Head elevation, H2 blockers and mouth wash",
          "type": "OTHER"
        },
        {
          "name": "Data collection for comparison",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Marshall University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 159,
      "start_date": "2021-08-03",
      "completion_date": "2021-11-02",
      "has_results": false,
      "last_update_posted_date": "2023-04-04",
      "last_synced_at": "2026-10-27T08:52:29.954Z",
      "location_count": 1,
      "location_summary": "Huntington, West Virginia",
      "locations": [
        {
          "city": "Huntington",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05284084"
    },
    {
      "nct_id": "NCT07036198",
      "title": "CPNF Intervention Development and Testing",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Use"
      ],
      "interventions": [
        {
          "name": "Customizable personalized normative feedback (CPNF)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Personalized normative feedback (PNF)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention-Matched Control (AMC)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 250,
      "start_date": "2026-06-29",
      "completion_date": "2027-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-14",
      "last_synced_at": "2026-10-27T08:52:29.954Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07036198"
    },
    {
      "nct_id": "NCT01924884",
      "title": "Surgical Site Infection Rate After Intra-Abdominal Surgery Using Negative Pressure Wound Therapy at Initial Closure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Surgical Wound Infection",
        "Wound; Abdomen, Abdominal Wall",
        "Surgery"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2013-07",
      "completion_date": "2019-10",
      "has_results": false,
      "last_update_posted_date": "2020-01-06",
      "last_synced_at": "2026-10-27T08:52:29.954Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01924884"
    },
    {
      "nct_id": "NCT06723015",
      "title": "Tau PET Outcomes With Anti-amyloid Immunotherapies",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cognitive Impairment, Mild",
        "Dementia, Mild",
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "18F-AV-1451",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 135,
      "start_date": "2025-11-04",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2025-11-18",
      "last_synced_at": "2026-10-27T08:52:29.954Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06723015"
    },
    {
      "nct_id": "NCT01432847",
      "title": "Cell Collection to Study Eye Diseases",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinal Disease",
        "AMD",
        "Retinal Degeneration",
        "Retinitis Pigmentosa"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Eye Institute (NEI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "1 Day to 120 Years"
      },
      "enrollment_count": 930,
      "start_date": "2011-09-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-09-22",
      "last_synced_at": "2026-10-27T08:52:29.954Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01432847"
    },
    {
      "nct_id": "NCT06574672",
      "title": "Embedded Palliative Care in the MICU",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Critical Illness",
        "End of Life",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Embedded Hospice and Palliative Care Practitioner",
          "type": "OTHER"
        },
        {
          "name": "Embedded Hospice and Palliative Care Practitioner (Group Effect)",
          "type": "OTHER"
        },
        {
          "name": "None (Historical)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 2600,
      "start_date": "2024-07-29",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2025-07-16",
      "last_synced_at": "2026-10-27T08:52:29.954Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06574672"
    }
  ]
}