{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=N%2FA+-+observational+study.",
    "query": {
      "intervention": "N/A - observational study."
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 96,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=N%2FA+-+observational+study.&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T00:15:53.260Z",
  "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": "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": "2026-09-04T00:15:53.260Z",
      "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": "NCT02355717",
      "title": "Role of Cardiometabolic Risk Factors in Childhood Bone Development",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Cardiovascular Disease",
        "Type 2 Diabetes",
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Observational Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Augusta University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "9 Years to 15 Years"
      },
      "enrollment_count": 400,
      "start_date": "2014-12",
      "completion_date": "2021-12-30",
      "has_results": false,
      "last_update_posted_date": "2019-11-20",
      "last_synced_at": "2026-09-04T00:15:53.260Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02355717"
    },
    {
      "nct_id": "NCT06111235",
      "title": "A Study of Adjuvant Cretostimogene Grenadenorepvec for Treatment of Intermediate Risk NMIBC Following TURBT",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Non Muscle Invasive Bladder Cancer",
        "Urologic Cancer",
        "Bladder Cancer",
        "Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Cretostimogene Grenadenorepvec",
          "type": "DRUG"
        },
        {
          "name": "n-dodecyl-B-D-maltoside",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "CG Oncology, Inc.",
      "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": "2023-12-14",
      "completion_date": "2029-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-09-04T00:15:53.260Z",
      "location_count": 90,
      "location_summary": "Homewood, Alabama • Gilbert, Arizona • Scottsdale, Arizona + 72 more",
      "locations": [
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06111235"
    },
    {
      "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": "2026-09-04T00:15:53.260Z",
      "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": "NCT04923633",
      "title": "The Reproducibility and Consistency of Instrument-assisted Soft Tissue Manipulation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Massage"
      ],
      "interventions": [
        {
          "name": "Quantifiable Soft Tissue Manipulation (QSTM)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 106,
      "start_date": "2021-05-11",
      "completion_date": "2022-10-19",
      "has_results": false,
      "last_update_posted_date": "2023-11-14",
      "last_synced_at": "2026-09-04T00:15:53.260Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04923633"
    },
    {
      "nct_id": "NCT02294877",
      "title": "A Multicenter, Multinational, Observational Morquio A Registry Study (MARS)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mucopolysaccharidosis IV Type A",
        "Morquio A Syndrome",
        "MPS IVA"
      ],
      "interventions": [
        {
          "name": "Vimizim® (elosulfase alfa)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioMarin Pharmaceutical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 418,
      "start_date": "2014-09",
      "completion_date": "2024-02-21",
      "has_results": false,
      "last_update_posted_date": "2024-03-05",
      "last_synced_at": "2026-09-04T00:15:53.260Z",
      "location_count": 26,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 22 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02294877"
    },
    {
      "nct_id": "NCT02003612",
      "title": "Historical Data Analysis of Hematological Remission and Survival in Adults With R/R Acute Lymphoblastic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "Not applicable - observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 2373,
      "start_date": "2013-10-01",
      "completion_date": "2014-04-28",
      "has_results": false,
      "last_update_posted_date": "2022-11-07",
      "last_synced_at": "2026-09-04T00:15:53.260Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Cleveland, Ohio",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02003612"
    },
    {
      "nct_id": "NCT01297114",
      "title": "Imaging of Cognition, Learning, and Memory in Aging",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Florbetaben",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yaakov Stern",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "20 Years to 70 Years"
      },
      "enrollment_count": 294,
      "start_date": "2011-03",
      "completion_date": "2017-10-01",
      "has_results": false,
      "last_update_posted_date": "2017-11-01",
      "last_synced_at": "2026-09-04T00:15:53.260Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01297114"
    },
    {
      "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": "2026-09-04T00:15:53.260Z",
      "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": "NCT06395662",
      "title": "Stratification of Risks of Conversion of Radiologically Isolated Syndromes (RIS) by Identifying Biomarkers in Serum and Cerebrospinal Fluid.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Radiologically Isolated Syndrome",
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Centre Hospitalier Universitaire de Nīmes",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 320,
      "start_date": "2024-04-15",
      "completion_date": "2025-07-25",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-09-04T00:15:53.260Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06395662"
    }
  ]
}