{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention%2C+this+is+an+observational+study&page=8",
    "query": {
      "intervention": "No intervention, this is an observational study",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 189,
    "total_pages": 19,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention%2C+this+is+an+observational+study&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention%2C+this+is+an+observational+study&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T17:22:04.566Z",
  "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": "NCT06351579",
      "title": "Data Collection Post Radical Prostatectomy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stress Urinary Incontinence",
        "Radical Prostatectomy",
        "BPH"
      ],
      "interventions": [
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Levee Medical, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "70 Years",
        "sex": "MALE",
        "summary": "45 Years to 70 Years · Male only"
      },
      "enrollment_count": 30,
      "start_date": "2023-03-30",
      "completion_date": "2025-07-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-29",
      "last_synced_at": "2026-10-14T17:22:04.566Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06351579"
    },
    {
      "nct_id": "NCT05881863",
      "title": "To Investigate Airway Oxygen Concentrations During Rigid Bronchoscopy Procedures Performed With High Frequency Jet Ventilation",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Central Airway Obstruction"
      ],
      "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": 50,
      "start_date": "2024-01-12",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-10-14T17:22:04.566Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05881863"
    },
    {
      "nct_id": "NCT02845687",
      "title": "Study on Smoking Cessation and Cost Outcomes in the Duke Smoking Cessation Program",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 209,
      "start_date": "2016-08-16",
      "completion_date": "2018-05-29",
      "has_results": false,
      "last_update_posted_date": "2019-09-13",
      "last_synced_at": "2026-10-14T17:22:04.566Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02845687"
    },
    {
      "nct_id": "NCT04645667",
      "title": "Tacrolimus in Allogeneic Hematopoietic Stem Cell Transplant (HCT)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute GVHD"
      ],
      "interventions": [
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "UNC Lineberger Comprehensive 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": 38,
      "start_date": "2021-02-01",
      "completion_date": "2023-10-15",
      "has_results": false,
      "last_update_posted_date": "2023-10-17",
      "last_synced_at": "2026-10-14T17:22:04.566Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04645667"
    },
    {
      "nct_id": "NCT06432543",
      "title": "Polyethylene Wear Particle Analysis of THA",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Wear of Articular Bearing Surface of Prosthetic Joint",
        "Hip Arthropathy"
      ],
      "interventions": [
        {
          "name": "polyethylene",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Osaka Metropolitan University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "20 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2024-06-01",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-01-20",
      "last_synced_at": "2026-10-14T17:22:04.566Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06432543"
    },
    {
      "nct_id": "NCT06381232",
      "title": "Collection and Analyses of Physiological, Physical, and Molecular Data From a Diverse Population",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "General Health",
        "Wellness"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Viome",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 20000,
      "start_date": "2018-07-23",
      "completion_date": "2028-07-23",
      "has_results": false,
      "last_update_posted_date": "2024-04-24",
      "last_synced_at": "2026-10-14T17:22:04.566Z",
      "location_count": 1,
      "location_summary": "Bothell, Washington",
      "locations": [
        {
          "city": "Bothell",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06381232"
    },
    {
      "nct_id": "NCT06949553",
      "title": "An Observational Study to Learn More About Vasomotor Symptoms Burden and Treatment Patterns in Menopausal Women Before and After Participating in OASIS Studies",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vasomotor Symptoms (VMS) Associated With Menopause"
      ],
      "interventions": [
        {
          "name": "No study intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 65 Years · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2025-04-30",
      "completion_date": "2025-08-28",
      "has_results": false,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-10-14T17:22:04.566Z",
      "location_count": 1,
      "location_summary": "Whippany, New Jersey",
      "locations": [
        {
          "city": "Whippany",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06949553"
    },
    {
      "nct_id": "NCT04370002",
      "title": "Sensor-based Characterization of Depression",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Unipolar Depression"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 100,
      "start_date": "2020-01-28",
      "completion_date": "2024-11-30",
      "has_results": false,
      "last_update_posted_date": "2023-11-03",
      "last_synced_at": "2026-10-14T17:22:04.566Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04370002"
    },
    {
      "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": "2026-10-14T17:22:04.566Z",
      "location_count": 1,
      "location_summary": "Eden Prairie, Minnesota",
      "locations": [
        {
          "city": "Eden Prairie",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06355934"
    },
    {
      "nct_id": "NCT01419067",
      "title": "A Phase II Trial of Limited Surgery and Proton Therapy for Craniopharyngioma or Observation After Radical Resection",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Craniopharyngioma"
      ],
      "interventions": [
        {
          "name": "Radical Surgery or Limited Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Proton Therapy",
          "type": "DEVICE"
        },
        {
          "name": "^1^8F-fluorodeoxyglucose",
          "type": "DRUG"
        },
        {
          "name": "^1^1C-methionine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 112,
      "start_date": "2011-08-22",
      "completion_date": "2031-06",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-14T17:22:04.566Z",
      "location_count": 2,
      "location_summary": "Jacksonville, Florida • Memphis, Tennessee",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01419067"
    }
  ]
}