{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+-+observational+study&page=7",
    "query": {
      "intervention": "No intervention - observational study",
      "page": 7
    },
    "page_size": 10
  },
  "pagination": {
    "page": 7,
    "page_size": 10,
    "total_count": 647,
    "total_pages": 65,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+-+observational+study&page=8&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+intervention+-+observational+study&page=6&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T15:43:57.963Z",
  "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": "NCT04077411",
      "title": "Approaches and Decisions for Acute Pediatric TBI Trial",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Severe Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "Observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2014-02-20",
      "completion_date": "2018-08-28",
      "has_results": false,
      "last_update_posted_date": "2023-12-08",
      "last_synced_at": "2026-10-11T15:43:57.963Z",
      "location_count": 30,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04077411"
    },
    {
      "nct_id": "NCT04913311",
      "title": "Predictive Biomarkers for Pneumonitis After Chemoradiotherapy and Immunotherapy in Patients With Non-small Cell Lung Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Non-Small Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bronchoscopy with Bronchoalveolar Lavage",
          "type": "PROCEDURE"
        },
        {
          "name": "Chemoradiotherapy",
          "type": "OTHER"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Diagnostic Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Immune Checkpoint Inhibitor",
          "type": "DRUG"
        },
        {
          "name": "Nasal Wash and Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Spirometry",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 150,
      "start_date": "2021-01-21",
      "completion_date": "2027-02-02",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-10-11T15:43:57.963Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04913311"
    },
    {
      "nct_id": "NCT07706140",
      "title": "Observational Data Collection for Blood Hemoglobin Algorithm Validation in Pediatrics",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemoglobin",
        "Cerebral Oxygenation",
        "Congenital Heart Disease"
      ],
      "interventions": [
        {
          "name": "Noninvasive hemoglobin monitoring",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Days",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "0 Days to 21 Years"
      },
      "enrollment_count": 100,
      "start_date": "2026-08",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-10-11T15:43:57.963Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07706140"
    },
    {
      "nct_id": "NCT05269082",
      "title": "A Study to Assess the Hypersensitivity to TAK-880 Compared to Gammagard S/D in Blood of Children, Teenagers and Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Drug Hypersensitivity"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2022-04-05",
      "completion_date": "2022-09-19",
      "has_results": false,
      "last_update_posted_date": "2022-09-23",
      "last_synced_at": "2026-10-11T15:43:57.963Z",
      "location_count": 1,
      "location_summary": "Wilmington, North Carolina",
      "locations": [
        {
          "city": "Wilmington",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05269082"
    },
    {
      "nct_id": "NCT02662413",
      "title": "To Determine the Validity of the ACT in an Adolescent Population With Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Validation of Asthma Control Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 37,
      "start_date": "2016-01",
      "completion_date": "2017-09-27",
      "has_results": false,
      "last_update_posted_date": "2018-03-23",
      "last_synced_at": "2026-10-11T15:43:57.963Z",
      "location_count": 2,
      "location_summary": "Chapel Hill, North Carolina • Raleigh, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02662413"
    },
    {
      "nct_id": "NCT04329910",
      "title": "Obesity Alters Lung Mechanics in Robotic Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Surgery",
        "Anesthesia"
      ],
      "interventions": [
        {
          "name": "no intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Vermont Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 99,
      "start_date": "2017-11-22",
      "completion_date": "2019-07-12",
      "has_results": false,
      "last_update_posted_date": "2020-04-01",
      "last_synced_at": "2026-10-11T15:43:57.963Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04329910"
    },
    {
      "nct_id": "NCT03718520",
      "title": "The Influence of in Utero Cannabis Exposure on Neonatal Brain Morphology and Structural Connectivity",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cannabis Use Disorder",
        "PREG1",
        "Drug Use",
        "Fetal Exposure During Pregnancy",
        "Neurodevelopmental Abnormality"
      ],
      "interventions": [
        {
          "name": "no intervention, this is a purely observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 168,
      "start_date": "2018-11-07",
      "completion_date": "2020-03-31",
      "has_results": false,
      "last_update_posted_date": "2021-10-27",
      "last_synced_at": "2026-10-11T15:43:57.963Z",
      "location_count": 2,
      "location_summary": "Aurora, Colorado • Denver, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03718520"
    },
    {
      "nct_id": "NCT06177691",
      "title": "Hybrid Closed Loop Therapy and Verapamil for Beta Cell Preservation in New Onset Type 1 Diabetes (CLVer): Extension Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type1 Diabetes"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "7 Years to 17 Years"
      },
      "enrollment_count": 77,
      "start_date": "2021-05-07",
      "completion_date": "2026-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-10-11T15:43:57.963Z",
      "location_count": 6,
      "location_summary": "Palo Alto, California • Aurora, Colorado • New Haven, Connecticut + 3 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06177691"
    },
    {
      "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": "2026-10-11T15:43:57.963Z",
      "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": "NCT00966992",
      "title": "Study of Zoledronic Acid Versus Observation on Bone Mineral Density and Incidence of Micrometastasis in Women Undergoing Pelvic Radiation for Cervical Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Uterine Cervical Neoplasms"
      ],
      "interventions": [
        {
          "name": "Zoledronic acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 3,
      "start_date": "2009-08",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2015-09-09",
      "last_synced_at": "2026-10-11T15:43:57.963Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00966992"
    }
  ]
}