{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=21",
    "query": {
      "intervention": "No intervention (observational study)",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 918,
    "total_pages": 92,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+%28observational+study%29&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T10:18:39.940Z",
  "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": "NCT02927938",
      "title": "Leukemia Stem Cell Detection in Acute Myeloid Leukemia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Myeloid Leukemia (AML)"
      ],
      "interventions": [
        {
          "name": "Allogeneic HCT",
          "type": "PROCEDURE"
        },
        {
          "name": "Consolidation chemotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2016-09",
      "completion_date": "2018-10-05",
      "has_results": true,
      "last_update_posted_date": "2022-04-21",
      "last_synced_at": "2026-10-21T10:18:39.940Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02927938"
    },
    {
      "nct_id": "NCT06744673",
      "title": "A Study to Assess the Pregnancy Outcome in Women Exposed to Dayvigo® During Pregnancy Compared to an Unexposed Control Population",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sleep Initiation and Maintenance Disorders",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Eisai Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 49 Years · Female only"
      },
      "enrollment_count": 861,
      "start_date": "2025-01-03",
      "completion_date": "2025-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-06-19",
      "last_synced_at": "2026-10-21T10:18:39.940Z",
      "location_count": 1,
      "location_summary": "Nutley, New Jersey",
      "locations": [
        {
          "city": "Nutley",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06744673"
    },
    {
      "nct_id": "NCT00602953",
      "title": "Role of Pancreatic Triglyceride Content in Beta-cell Function",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "No intervention planned.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "21 Years to 99 Years"
      },
      "enrollment_count": 101,
      "start_date": "2007-09",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2017-12-26",
      "last_synced_at": "2026-10-21T10:18:39.940Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00602953"
    },
    {
      "nct_id": "NCT05726279",
      "title": "PROtecting Maternal Brains From Injury and Stroke",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Preeclampsia",
        "Maternal Hypertension"
      ],
      "interventions": [
        {
          "name": "NIRS based personalized blood pressure management",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 26,
      "start_date": "2023-05-04",
      "completion_date": "2025-02-28",
      "has_results": true,
      "last_update_posted_date": "2026-03-18",
      "last_synced_at": "2026-10-21T10:18:39.940Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05726279"
    },
    {
      "nct_id": "NCT01404559",
      "title": "Measures of Gait Efficiency of Three Multi-Axial, Vertical Shock and Energy Storing-Return Prosthetic Feet During Simple & Complex Mobility Activities",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation"
      ],
      "interventions": [
        {
          "name": "Ossur Variflex prosthetic foot",
          "type": "DEVICE"
        },
        {
          "name": "Ossur Ceterus prosthetic foot",
          "type": "DEVICE"
        },
        {
          "name": "Endolite Elite Blade prosthetic foot",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "21 Years to 45 Years · Male only"
      },
      "enrollment_count": 28,
      "start_date": "2012-07",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2014-12-15",
      "last_synced_at": "2026-10-21T10:18:39.940Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01404559"
    },
    {
      "nct_id": "NCT05246358",
      "title": "Respiratory Rate Validation Study - ChroniSense Polso",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Rate"
      ],
      "interventions": [
        {
          "name": "ChoniSense Polso",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "ChroniSense Medical Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "52 Years",
        "sex": "ALL",
        "summary": "18 Years to 52 Years"
      },
      "enrollment_count": 20,
      "start_date": "2021-05-10",
      "completion_date": "2021-06-11",
      "has_results": false,
      "last_update_posted_date": "2022-02-18",
      "last_synced_at": "2026-10-21T10:18:39.940Z",
      "location_count": 1,
      "location_summary": "Louisville, Colorado",
      "locations": [
        {
          "city": "Louisville",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05246358"
    },
    {
      "nct_id": "NCT06269133",
      "title": "Evaluation of Cemiplimab in Combination With Platinum-Doublet Chemotherapy in First-Line (1L) Treatment of Advanced Non-Small Cell Lung Cancer (NSCLC) in Adult United States (US) Participants",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Advanced Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "REGN2810",
          "type": "DRUG"
        },
        {
          "name": "Platinum-doublet chemotherapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2024-02-21",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-10",
      "last_synced_at": "2026-10-21T10:18:39.940Z",
      "location_count": 1,
      "location_summary": "Tarrytown, New York",
      "locations": [
        {
          "city": "Tarrytown",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06269133"
    },
    {
      "nct_id": "NCT00622050",
      "title": "The Relationship of TV Viewing to Energy Balance in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight"
      ],
      "interventions": [
        {
          "name": "No TV viewing reduction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "TV viewing reduction",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 44,
      "start_date": "2008-01",
      "completion_date": "2008-08",
      "has_results": false,
      "last_update_posted_date": "2008-10-16",
      "last_synced_at": "2026-10-21T10:18:39.940Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00622050"
    },
    {
      "nct_id": "NCT00289289",
      "title": "Reducing Episodes by Septal Pacing Efficacy Confirmation Trial (RESPECT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Tachycardia, Supraventricular",
        "Arrhythmia",
        "Bradycardia"
      ],
      "interventions": [
        {
          "name": "Intervention Pacing Features",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 400,
      "start_date": "2004-02",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2012-08-08",
      "last_synced_at": "2026-10-21T10:18:39.940Z",
      "location_count": 34,
      "location_summary": "Little Rock, Arkansas • Rancho Mirage, California • San Diego, California + 31 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Rancho Mirage",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Yuba City",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00289289"
    },
    {
      "nct_id": "NCT01420679",
      "title": "Pralatrexate vs Observation Following CHOP-based Chemotherapy in Undiagnosed Peripheral T-cell Lymphoma Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Peripheral T-cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Pralatrexate Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Spectrum Pharmaceuticals, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2011-08",
      "completion_date": "2017-12",
      "has_results": true,
      "last_update_posted_date": "2021-11-19",
      "last_synced_at": "2026-10-21T10:18:39.940Z",
      "location_count": 3,
      "location_summary": "Novi, Michigan • New York, New York",
      "locations": [
        {
          "city": "Novi",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01420679"
    }
  ]
}