{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+data+collection&page=4",
    "query": {
      "intervention": "Observational data collection",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 331,
    "total_pages": 34,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+data+collection&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+data+collection&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-07T04:37:21.966Z",
  "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": "NCT00957840",
      "title": "Intraventricular Hemorrhage and Post Hemorrhagic Ventricular Dilation: Natural Course, Treatment, and Outcome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intraventricular Hemorrhage",
        "Premature Infants"
      ],
      "interventions": [
        {
          "name": "NIRS, aEEG, and CSF concentration of biomarkers",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "1 Year",
        "sex": "ALL",
        "summary": "Up to 1 Year"
      },
      "enrollment_count": 63,
      "start_date": "2009-07",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2015-05-06",
      "last_synced_at": "2026-11-07T04:37:21.966Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00957840"
    },
    {
      "nct_id": "NCT02957227",
      "title": "Diagnosis of Alzheimer's Disease Using Event Related Potentials",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "No intervention is part of this study but patients use an EEG device during observational data collection.",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VA Boston Healthcare System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "50 Years to 100 Years"
      },
      "enrollment_count": 170,
      "start_date": "2016-07",
      "completion_date": "2023-07",
      "has_results": false,
      "last_update_posted_date": "2022-09-10",
      "last_synced_at": "2026-11-07T04:37:21.966Z",
      "location_count": 1,
      "location_summary": "Jamaica Plain, Massachusetts",
      "locations": [
        {
          "city": "Jamaica Plain",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02957227"
    },
    {
      "nct_id": "NCT07848178",
      "title": "Roybal Via Habit Formation",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Inactivity",
        "Sedentary Lifestlye"
      ],
      "interventions": [
        {
          "name": "ViaHabit",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Louisiana State University and A&M College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "45 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2026-10-01",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-11-07T04:37:21.966Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07848178"
    },
    {
      "nct_id": "NCT05071677",
      "title": "Treatment Decision Making in African American Women Diagnosed With Triple Negative Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anatomic Stage I Breast Cancer AJCC v8",
        "Anatomic Stage IA Breast Cancer AJCC v8",
        "Anatomic Stage IB Breast Cancer AJCC v8",
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage IIA Breast Cancer AJCC v8",
        "Anatomic Stage IIB Breast Cancer AJCC v8",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IIIA Breast Cancer AJCC v8",
        "Anatomic Stage IIIB Breast Cancer AJCC v8",
        "Anatomic Stage IIIC Breast Cancer AJCC v8",
        "Invasive Breast Carcinoma",
        "Prognostic Stage I Breast Cancer AJCC v8",
        "Prognostic Stage IA Breast Cancer AJCC v8",
        "Prognostic Stage IB Breast Cancer AJCC v8",
        "Prognostic Stage II Breast Cancer AJCC v8",
        "Prognostic Stage IIA Breast Cancer AJCC v8",
        "Prognostic Stage IIB Breast Cancer AJCC v8",
        "Prognostic Stage III Breast Cancer AJCC v8",
        "Prognostic Stage IIIA Breast Cancer AJCC v8",
        "Prognostic Stage IIIB Breast Cancer AJCC v8",
        "Prognostic Stage IIIC Breast Cancer AJCC v8",
        "Triple-Negative Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Discussion",
          "type": "PROCEDURE"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2021-05-03",
      "completion_date": "2023-08-07",
      "has_results": false,
      "last_update_posted_date": "2023-08-09",
      "last_synced_at": "2026-11-07T04:37:21.966Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05071677"
    },
    {
      "nct_id": "NCT00479024",
      "title": "Follow-up Study to Previous CARE Trial",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Moderate to Severe Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "iodinated contrast agent",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bracco Diagnostics, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 294,
      "start_date": "2007-06",
      "completion_date": "2008-04",
      "has_results": false,
      "last_update_posted_date": "2009-09-30",
      "last_synced_at": "2026-11-07T04:37:21.966Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00479024"
    },
    {
      "nct_id": "NCT06812975",
      "title": "Paceport Swan-Ganz Data Collection Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "RV Dysfunction"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 152,
      "start_date": "2021-09-18",
      "completion_date": "2025-07-08",
      "has_results": false,
      "last_update_posted_date": "2025-08-01",
      "last_synced_at": "2026-11-07T04:37:21.966Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06812975"
    },
    {
      "nct_id": "NCT05606328",
      "title": "Implementation Outcome Assessments of the Emergency Department Delirium Screening and Detection Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Delirium"
      ],
      "interventions": [
        {
          "name": "Emergency Department Delirium Screening and Detection Program (ED-DDP)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2023-02-28",
      "completion_date": "2024-10-08",
      "has_results": true,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-11-07T04:37:21.966Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05606328"
    },
    {
      "nct_id": "NCT02934477",
      "title": "Prospective Assessment of Allogeneic Hematopoietic Cell Transplantation in Patients With Myelofibrosis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myelofibrosis"
      ],
      "interventions": [
        {
          "name": "Hematopoietic Stem Cell Transplant",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Center for International Blood and Marrow Transplant Research",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 650,
      "start_date": "2016-11",
      "completion_date": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2023-08-30",
      "last_synced_at": "2026-11-07T04:37:21.966Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02934477"
    },
    {
      "nct_id": "NCT00830557",
      "title": "Collecting Medical Information and Tissue Samples From Patients With Pancreatic Cancer or Other Pancreatic Disorders",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Islet Cell Tumor",
        "Pancreatic Cancer",
        "Pancreatic Disease",
        "Acute Pancreatitis",
        "Chronic Pancreatitis",
        "Hereditary Pancreatitis",
        "Pancreatic Neuroendocrine Carcinoma",
        "Pancreatic Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "medical chart review",
          "type": "OTHER"
        },
        {
          "name": "survey administration",
          "type": "OTHER"
        },
        {
          "name": "biospecimen collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20000,
      "start_date": "2000-10-01",
      "completion_date": "2027-08-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-11-07T04:37:21.966Z",
      "location_count": 3,
      "location_summary": "Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00830557"
    },
    {
      "nct_id": "NCT05767736",
      "title": "A Study to Evaluate Long-Term Safety of Vumerity and Tecfidera in Participants With Multiple Sclerosis (MS)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Diroximel Fumarate",
          "type": "DRUG"
        },
        {
          "name": "Dimethyl Fumarate",
          "type": "DRUG"
        },
        {
          "name": "Disease-Modifying Therapies (DMTs)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10500,
      "start_date": "2024-06-08",
      "completion_date": "2032-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-26",
      "last_synced_at": "2026-11-07T04:37:21.966Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05767736"
    }
  ]
}