{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Not+applicable-+observational+study",
    "query": {
      "intervention": "Not applicable- observational study"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 47,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Not+applicable-+observational+study&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-01T13:43:41.829Z",
  "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": "NCT03563183",
      "title": "A Study to Assess Frailty of Subjects During ZOSTER-006 and ZOSTER-022",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Herpes Zoster"
      ],
      "interventions": [
        {
          "name": "Encoding of data collected in Zoster 006 and Zoster 022 studies",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 26976,
      "start_date": "2018-06-05",
      "completion_date": "2019-04-30",
      "has_results": true,
      "last_update_posted_date": "2020-04-30",
      "last_synced_at": "2026-09-01T13:43:41.829Z",
      "location_count": 31,
      "location_summary": "Mesa, Arizona • Phoenix, Arizona • Spring Valley, California + 26 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Spring Valley",
          "state": "California"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03563183"
    },
    {
      "nct_id": "NCT03148418",
      "title": "A Study in Participants Previously Enrolled in a Genentech- and/or F. Hoffmann-La Roche Ltd-Sponsored Atezolizumab Study (IMbrella A)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Bevacizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 382,
      "start_date": "2017-09-20",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-09-01T13:43:41.829Z",
      "location_count": 44,
      "location_summary": "Scottsdale, Arizona • Los Angeles, California • San Marcos, California + 36 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Marcos",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03148418"
    },
    {
      "nct_id": "NCT06527872",
      "title": "Study to Assess Real-world Effectiveness of Belimumab for Treatment of Adults With LN",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lupus Nephritis"
      ],
      "interventions": [
        {
          "name": "None (Observational study)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2024-10-04",
      "completion_date": "2029-03-29",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-09-01T13:43:41.829Z",
      "location_count": 4,
      "location_summary": "Baltimore, Maryland • Charlotte, North Carolina • Columbus, Ohio + 1 more",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Hixson",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06527872"
    },
    {
      "nct_id": "NCT04266093",
      "title": "Gene Therapy Follow up Protocol for Subjects Previously Enrolled in NCI Center for Immuno-Oncology Studies",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cervical Intraepithelial Neoplasia",
        "Cervical Neoplasms",
        "Oropharyngeal Neoplasms",
        "Squamous Intraepithelial Lesions of the Cervix",
        "Hematologic Malignacies"
      ],
      "interventions": [
        {
          "name": "GeneTherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2020-05-08",
      "completion_date": "2050-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-01T13:43:41.829Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04266093"
    },
    {
      "nct_id": "NCT06208943",
      "title": "Neural and Cognitive Consequences of COVID-19 Survival",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID Long-Haul",
        "COVID-19",
        "COVID-19 Pandemic",
        "Brain Fog",
        "Memory Deficits",
        "Concentration Ability Impaired",
        "Fatigue"
      ],
      "interventions": [
        {
          "name": "cross-sectional MRI and EEG assessments (NO INTERVENTION)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "San Francisco Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 150,
      "start_date": "2021-10-01",
      "completion_date": "2025-09-30",
      "has_results": false,
      "last_update_posted_date": "2024-04-12",
      "last_synced_at": "2026-09-01T13:43:41.829Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06208943"
    },
    {
      "nct_id": "NCT07798427",
      "title": "TruVascular Access - Ultrasound-Guided Vascular Access Study",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peripheral Venous Catheterization",
        "Difficult Intravenous Access",
        "Catheterization, Peripheral"
      ],
      "interventions": [
        {
          "name": "Ultrasound-Guided Peripheral Vascular Access",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard Peripheral Vascular Access",
          "type": "PROCEDURE"
        },
        {
          "name": "Point-of-Care Ultrasound System for Vascular Access Guidance",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "Truway Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2026-09-15",
      "completion_date": "2030-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-01T13:43:41.829Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07798427"
    },
    {
      "nct_id": "NCT06636045",
      "title": "Blood Flow Restriction Following ACLR w/Quad Autograft",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Autografts",
        "Blood Flow Restriction Therapy",
        "Rehabilitation Outcome",
        "Quadriceps Muscle Strength",
        "Anterior Cruciate Ligament Reconstruction"
      ],
      "interventions": [
        {
          "name": "Not applicable- observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "14 Years to 40 Years"
      },
      "enrollment_count": 40,
      "start_date": "2024-09-05",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2025-04-06",
      "last_synced_at": "2026-09-01T13:43:41.829Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06636045"
    },
    {
      "nct_id": "NCT07731399",
      "title": "Specimen and Data Collection in South Carolina Medicaid-Enrolled Patients With Type 2 Diabetes (T2D) and Metabolically Healthy Controls",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type 2 Diabetes",
        "Healthy (Controls)"
      ],
      "interventions": [
        {
          "name": "Not applicable- observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Guardian Research Network, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "40 Years to 70 Years"
      },
      "enrollment_count": 1200,
      "start_date": "2026-08",
      "completion_date": "2029-10",
      "has_results": false,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-09-01T13:43:41.829Z",
      "location_count": 2,
      "location_summary": "Orangeburg, South Carolina • Walhalla, South Carolina",
      "locations": [
        {
          "city": "Orangeburg",
          "state": "South Carolina"
        },
        {
          "city": "Walhalla",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07731399"
    },
    {
      "nct_id": "NCT06192004",
      "title": "Study of Non-Small Cell Lung Cancer Patients in the US Receiving Standard-of-Care and Initiating an Approved Therapy With Risk of Pneumonitis/ILD",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "None (Observational Study)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 83,
      "start_date": "2024-01-05",
      "completion_date": "2025-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-09-01T13:43:41.829Z",
      "location_count": 23,
      "location_summary": "Los Angeles, California • Denver, Colorado • Golden, Colorado + 18 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Golden",
          "state": "Colorado"
        },
        {
          "city": "Miami Lakes",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06192004"
    },
    {
      "nct_id": "NCT06147830",
      "title": "A Study to Describe the Characteristics, Health Care Interventions and Outcomes of Patients With Major Bleedings in the Presence of Factor Xa Inhibitor Treatment",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Major Bleeding"
      ],
      "interventions": [
        {
          "name": "None (Observational study)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 2202,
      "start_date": "2023-12-04",
      "completion_date": "2024-11-30",
      "has_results": false,
      "last_update_posted_date": "2025-11-03",
      "last_synced_at": "2026-09-01T13:43:41.829Z",
      "location_count": 25,
      "location_summary": "Chandler, Arizona • Orange, California • Sacramento, California + 22 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Lakewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06147830"
    }
  ]
}