{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Non-interventional+%28observational+only%29",
    "query": {
      "intervention": "Non-interventional (observational only)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 147,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Non-interventional+%28observational+only%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T07:32:04.555Z",
  "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": "NCT05080998",
      "title": "Longitudinal Bladder Cancer Study for Tumour Recurrence",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Urothelial Bladder Cancer"
      ],
      "interventions": [
        {
          "name": "CxBladder Monitor/Monitor+",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Pacific Edge Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2022-06-08",
      "completion_date": "2028-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-17",
      "last_synced_at": "2026-09-21T07:32:04.555Z",
      "location_count": 6,
      "location_summary": "Miami, Florida • Tampa, Florida • Charleston, South Carolina + 3 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "White River Junction",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05080998"
    },
    {
      "nct_id": "NCT05147389",
      "title": "Artificial Intelligence for Digital Cholangioscopy Neoplasia Diagnosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Common Bile Duct Neoplasms",
        "Non-Neoplastic Bile Duct Disorder"
      ],
      "interventions": [
        {
          "name": "AI model classification",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "DSOC endoscopist experts' classification",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Instituto Ecuatoriano de Enfermedades Digestivas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 170,
      "start_date": "2020-10-01",
      "completion_date": "2022-05-01",
      "has_results": false,
      "last_update_posted_date": "2022-11-17",
      "last_synced_at": "2026-09-21T07:32:04.555Z",
      "location_count": 3,
      "location_summary": "New Brunswick, New Jersey • Houston, Texas",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05147389"
    },
    {
      "nct_id": "NCT02016235",
      "title": "Role Of Phosphorus And FGF 23 In Patients With Dent Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Dent Disease"
      ],
      "interventions": [
        {
          "name": "Phosphorus Supplement",
          "type": "DRUG"
        },
        {
          "name": "Observation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 30,
      "start_date": "2014-09",
      "completion_date": "2019-01",
      "has_results": true,
      "last_update_posted_date": "2020-03-23",
      "last_synced_at": "2026-09-21T07:32:04.555Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02016235"
    },
    {
      "nct_id": "NCT06374225",
      "title": "Strategy to Avoid Excessive Oxygen Using an Autonomous Oxygen Titration Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Critical Illness",
        "Wounds and Injury",
        "Disease Attributes",
        "Pathologic Processes"
      ],
      "interventions": [
        {
          "name": "Automated Titration (O2matic)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Colorado, Denver",
      "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": "2024-04-29",
      "completion_date": "2026-01-09",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-09-21T07:32:04.555Z",
      "location_count": 4,
      "location_summary": "Aurora, Colorado • Winston-Salem, North Carolina • Portland, Oregon + 1 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06374225"
    },
    {
      "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": "2026-09-21T07:32:04.555Z",
      "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": "NCT04542720",
      "title": "Decompression Versus Decompression and Fusion",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adjacent Segment Disease"
      ],
      "interventions": [
        {
          "name": "Observational: Decompression",
          "type": "PROCEDURE"
        },
        {
          "name": "Observational: Extension Fusion",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 96,
      "start_date": "2020-09-01",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2025-11-21",
      "last_synced_at": "2026-09-21T07:32:04.555Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04542720"
    },
    {
      "nct_id": "NCT03143348",
      "title": "Prognostic Markers of Inflammation in Infants Undergoing Cardiopulmonary Bypass",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Heart Defect",
        "Cardiopulmonary Bypass",
        "Inflammatory Response",
        "Low Cardiac Output Syndrome",
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "Single blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Multiple blood draws",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "6 Months",
        "sex": "ALL",
        "summary": "Up to 6 Months"
      },
      "enrollment_count": 38,
      "start_date": "2017-06-04",
      "completion_date": "2019-04-15",
      "has_results": false,
      "last_update_posted_date": "2019-04-30",
      "last_synced_at": "2026-09-21T07:32:04.555Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03143348"
    },
    {
      "nct_id": "NCT07449715",
      "title": "Respiration From Pleth Validation",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Rate Monitoring"
      ],
      "interventions": [
        {
          "name": "Physiological Monitoring with SpO₂ Sensors and Capnography",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Philips Clinical & Medical Affairs Global",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 113,
      "start_date": "2026-02-06",
      "completion_date": "2026-05-25",
      "has_results": false,
      "last_update_posted_date": "2026-03-04",
      "last_synced_at": "2026-09-21T07:32:04.555Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07449715"
    },
    {
      "nct_id": "NCT05012878",
      "title": "Cardiac Rehab and Cerebral Blood Flow Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Cardiac rehabilitation - high intensity interval training (HIIT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cardiac rehabilitation - moderate intensity continuous training (MICT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cardiac rehabilitation - control",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cardiac rehabilitation - observational",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2021-09-02",
      "completion_date": "2025-04-23",
      "has_results": false,
      "last_update_posted_date": "2025-05-29",
      "last_synced_at": "2026-09-21T07:32:04.555Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05012878"
    },
    {
      "nct_id": "NCT02435472",
      "title": "Active Surveillance Exercise Clinical Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Localized Prostate Cancer",
        "Active Surveillance for Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cardiopulmonary Exercise Test (CPET)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 104,
      "start_date": "2016-06-21",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-04-11",
      "last_synced_at": "2026-09-21T07:32:04.555Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02435472"
    }
  ]
}