{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observational+study&page=36",
    "query": {
      "intervention": "observational study",
      "page": 36
    },
    "page_size": 10
  },
  "pagination": {
    "page": 36,
    "page_size": 10,
    "total_count": 4386,
    "total_pages": 439,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observational+study&page=37&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observational+study&page=35&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T12:43:25.781Z",
  "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": "NCT00568997",
      "title": "10 Year Registry of Children (Ages 2-17 Years) With Eczema That Have Used Pimecrolimus",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atopic Dermatitis"
      ],
      "interventions": [
        {
          "name": "Pimecrolimus",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 8000,
      "start_date": "2005-06-27",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2025-09-16",
      "last_synced_at": "2026-10-20T12:43:25.781Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00568997"
    },
    {
      "nct_id": "NCT06402318",
      "title": "Passive Detection- SARS-CoV-2 (COVID-19) A&M Breathalyzer (PROTECT Kiosk) for Operational Medicine",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19",
        "SARS CoV 2 Virus",
        "COVID-19 Pneumonia",
        "COVID-19 Respiratory Infection",
        "COVID-19 Acute Respiratory Distress Syndrome"
      ],
      "interventions": [
        {
          "name": "A&M Breathalyzer PROTECT Kiosk",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The Geneva Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 100,
      "start_date": "2023-12-27",
      "completion_date": "2026-03-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-10",
      "last_synced_at": "2026-10-20T12:43:25.781Z",
      "location_count": 1,
      "location_summary": "Fort Sam Houston, Texas",
      "locations": [
        {
          "city": "Fort Sam Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06402318"
    },
    {
      "nct_id": "NCT06133049",
      "title": "A Study to Evaluate the Safety of Ozanimod Exposure During Pregnancy in Women With Multiple Sclerosis and Their Infants",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Ozanimod",
          "type": "DRUG"
        },
        {
          "name": "Select DMTs other than ozanimod",
          "type": "DRUG"
        },
        {
          "name": "No DMTs",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 49 Years · Female only"
      },
      "enrollment_count": 2961,
      "start_date": "2021-03-16",
      "completion_date": "2031-08-31",
      "has_results": false,
      "last_update_posted_date": "2023-11-15",
      "last_synced_at": "2026-10-20T12:43:25.781Z",
      "location_count": 1,
      "location_summary": "Eden Prairie, Minnesota",
      "locations": [
        {
          "city": "Eden Prairie",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06133049"
    },
    {
      "nct_id": "NCT06575738",
      "title": "Physiologic Response to Bariatric Surgery and the Impact of Adjunct Semaglutide in Adolescents",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Obesity",
        "Adolescent Obesity",
        "Body-Weight Trajectory",
        "Weight Loss Trajectory",
        "Bariatric Surgery",
        "Anti-obesity Agents"
      ],
      "interventions": [
        {
          "name": "Injectable semaglutide or injectable tirzepatide",
          "type": "DRUG"
        },
        {
          "name": "Standard postoperative care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "12 Years to 24 Years"
      },
      "enrollment_count": 40,
      "start_date": "2024-10-11",
      "completion_date": "2027-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-10-20T12:43:25.781Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06575738"
    },
    {
      "nct_id": "NCT02363907",
      "title": "Observational Study to Evaluate the Effectiveness and Safety of the Dexcom G4 Continuous Glucose Monitoring System in Pediatrics",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes Mellitus"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "DexCom, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 30,
      "start_date": "2012-09",
      "completion_date": "2012-10",
      "has_results": true,
      "last_update_posted_date": "2017-07-27",
      "last_synced_at": "2026-10-20T12:43:25.781Z",
      "location_count": 1,
      "location_summary": "Idaho Falls, Idaho",
      "locations": [
        {
          "city": "Idaho Falls",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02363907"
    },
    {
      "nct_id": "NCT01036009",
      "title": "A Study of Withdrawal of Immunosuppression and Donor Lymphocyte Infusions Following Allogeneic Transplant for Pediatric Hematologic Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Leukemia",
        "Acute Myeloid Leukemia",
        "Acute Lymphoblastic Leukemia",
        "Biphenotypic Leukemia",
        "Pre-leukemic Syndromes",
        "Monosomy 7",
        "Bone Marrow Clonal Malformations",
        "Juvenile Myelomonocytic Leukemia",
        "Myelodysplastic Syndromes",
        "Chronic Myelogenous Leukemia"
      ],
      "interventions": [
        {
          "name": "Withdrawal of immunosuppression and donor lymphocyte infusion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "6 Months to 25 Years"
      },
      "enrollment_count": 43,
      "start_date": "2009-10",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2016-06-23",
      "last_synced_at": "2026-10-20T12:43:25.781Z",
      "location_count": 2,
      "location_summary": "San Francisco, California • St. Petersburg, Florida",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01036009"
    },
    {
      "nct_id": "NCT07730268",
      "title": "Vivio At-Home Study",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Vivio measurement",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Ventric Health, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2025-10-20",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-28",
      "last_synced_at": "2026-10-20T12:43:25.781Z",
      "location_count": 4,
      "location_summary": "Long Beach, California • Los Angeles, California • San Diego, California + 1 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Reno",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07730268"
    },
    {
      "nct_id": "NCT07466524",
      "title": "suPAR Michigan M2C2 Heterogeneity Validation Cohort Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19",
        "Severe Respiratory Distress Syndrome",
        "Acute Respiratory Distress Syndrome"
      ],
      "interventions": [
        {
          "name": "suPARnostic® TurbiLatex Assay on Roche cobas c501",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "ViroGates A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 367,
      "start_date": "2020-02-01",
      "completion_date": "2022-10-19",
      "has_results": false,
      "last_update_posted_date": "2026-03-20",
      "last_synced_at": "2026-10-20T12:43:25.781Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07466524"
    },
    {
      "nct_id": "NCT00758121",
      "title": "Correlation Of Respiratory Rate Level And Trend Evaluation in Heart Failure Patients",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Cardiac Resynchronization Therapy Defibrillator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2008-11",
      "completion_date": "2009-10",
      "has_results": false,
      "last_update_posted_date": "2009-11-06",
      "last_synced_at": "2026-10-20T12:43:25.781Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00758121"
    },
    {
      "nct_id": "NCT05994404",
      "title": "Cervical Spondylotic Myelopathy - Cost Observational Surgical Trial",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cervical Spondylosis With Myelopathy"
      ],
      "interventions": [
        {
          "name": "ACDF",
          "type": "PROCEDURE"
        },
        {
          "name": "Posterior Cervical Fusion",
          "type": "PROCEDURE"
        },
        {
          "name": "Cervical Laminoplasty",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Lahey Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "45 Years to 80 Years"
      },
      "enrollment_count": 269,
      "start_date": "2014-04-01",
      "completion_date": "2019-04-01",
      "has_results": false,
      "last_update_posted_date": "2023-08-16",
      "last_synced_at": "2026-10-20T12:43:25.781Z",
      "location_count": 2,
      "location_summary": "Burlington, Massachusetts • Rochester, Minnesota",
      "locations": [
        {
          "city": "Burlington",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05994404"
    }
  ]
}