{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+data+collection.&page=13",
    "query": {
      "intervention": "Observational data collection.",
      "page": 13
    },
    "page_size": 10
  },
  "pagination": {
    "page": 13,
    "page_size": 10,
    "total_count": 331,
    "total_pages": 34,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+data+collection.&page=14&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+data+collection.&page=12&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-12T04:35:50.782Z",
  "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": "NCT05835024",
      "title": "Acorai Machine Learning Generalization (MLG) Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Acorai Sensor Data Collection (ASDC) system 1.0 - Phase 1",
          "type": "DEVICE"
        },
        {
          "name": "Acorai Sensor Data Collection (ASDC) system 1.0 - Phase 2",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Acorai AB",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1602,
      "start_date": "2023-08-15",
      "completion_date": "2024-10-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-03",
      "last_synced_at": "2026-11-12T04:35:50.782Z",
      "location_count": 10,
      "location_summary": "Conway, Arkansas • Little Rock, Arkansas • Jacksonville, Florida + 6 more",
      "locations": [
        {
          "city": "Conway",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Stuart",
          "state": "Florida"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05835024"
    },
    {
      "nct_id": "NCT07408531",
      "title": "LUNG-07: Advancing Precision-Based Lung Cancer Screening: Implementation, AI-Guided Risk Stratification, and Biomarker Integration (CREST AI)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Cancer Screening"
      ],
      "interventions": [
        {
          "name": "Sybil Artificial Intelligence (AI) screening",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Illinois Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 2500,
      "start_date": "2026-03-12",
      "completion_date": "2038-03",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-11-12T04:35:50.782Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07408531"
    },
    {
      "nct_id": "NCT06967467",
      "title": "Allergy Delabeling in Antibiotic Stewardship - Evaluations",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Beta Lactam Allergy in Patients With a Hematologic Malignancy"
      ],
      "interventions": [
        {
          "name": "Semi-structured interview",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ethnographic observation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2025-12-01",
      "completion_date": "2029-10",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-11-12T04:35:50.782Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06967467"
    },
    {
      "nct_id": "NCT02861820",
      "title": "Functional Connectivity Changes During Early Recovery as a Marker for Relapse",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Substance Use Disorder"
      ],
      "interventions": [
        {
          "name": "MRI: Brain Imaging Data Collection",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 160,
      "start_date": "2015-07-01",
      "completion_date": "2021-01-26",
      "has_results": false,
      "last_update_posted_date": "2022-01-21",
      "last_synced_at": "2026-11-12T04:35:50.782Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02861820"
    },
    {
      "nct_id": "NCT02546583",
      "title": "Diagnosing and Targeting Mechanisms of Diuretic Resistance in Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Increased Intravenous Bolus Loop Diuretic Dose (Bumetanide or Furosemide)",
          "type": "DRUG"
        },
        {
          "name": "IV Chlorothiazide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 458,
      "start_date": "2015-08-31",
      "completion_date": "2020-01-23",
      "has_results": false,
      "last_update_posted_date": "2025-08-17",
      "last_synced_at": "2026-11-12T04:35:50.782Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02546583"
    },
    {
      "nct_id": "NCT07215039",
      "title": "Improving Prison Health Equity Through Cancer Literacy and Screening Awareness in Florida",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic and Lymphatic System Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Survey",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 1200,
      "start_date": "2025-11-10",
      "completion_date": "2027-10-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-11-12T04:35:50.782Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07215039"
    },
    {
      "nct_id": "NCT02181257",
      "title": "Extracorporeal Photopheresis for Medicare Recipients of Lung Allografts",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bronchiolitis Obliterans Syndrome (BOS)"
      ],
      "interventions": [
        {
          "name": "Extracorporeal Photopheresis (ECP)",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "No intervention in the SOC / Retrospective Chart review.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "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": 280,
      "start_date": "2015-01",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-11-12T04:35:50.782Z",
      "location_count": 22,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Gainsville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02181257"
    },
    {
      "nct_id": "NCT00503854",
      "title": "Fatigue and Symptom Burden in Low-Risk Cancer Patients Undergoing Treatment for Febrile Neutropenia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fatigue",
        "Febrile Neutropenia",
        "Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2007-05-31",
      "completion_date": "2018-04-05",
      "has_results": false,
      "last_update_posted_date": "2018-10-22",
      "last_synced_at": "2026-11-12T04:35:50.782Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00503854"
    },
    {
      "nct_id": "NCT06355934",
      "title": "OverTTuRe: Characteristics, Treatment Patterns and Outcomes of Patients With ATTR Amyloidosis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ATTR Amyloidosis"
      ],
      "interventions": [
        {
          "name": "no intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 52121,
      "start_date": "2023-08-21",
      "completion_date": "2026-11-02",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-11-12T04:35:50.782Z",
      "location_count": 1,
      "location_summary": "Eden Prairie, Minnesota",
      "locations": [
        {
          "city": "Eden Prairie",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06355934"
    },
    {
      "nct_id": "NCT05180357",
      "title": "RANS. Study in Patients With Severe Eosinophilic Asthma and Nasal Polyps.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Severe Eosinophilic Asthma",
        "Nasal Polyps"
      ],
      "interventions": [
        {
          "name": "FASENRA(benralizumab)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 273,
      "start_date": "2021-11-23",
      "completion_date": "2022-10-28",
      "has_results": false,
      "last_update_posted_date": "2023-04-19",
      "last_synced_at": "2026-11-12T04:35:50.782Z",
      "location_count": 8,
      "location_summary": "Centennial, Colorado • Denver, Colorado • Glendale, New York + 5 more",
      "locations": [
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Glendale",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05180357"
    }
  ]
}