{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=This+is+an+observational+study.+There+is+no+therapeutic+intervention.",
    "query": {
      "intervention": "This is an observational study. There is no therapeutic intervention."
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=This+is+an+observational+study.+There+is+no+therapeutic+intervention.&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T05:04:39.202Z",
  "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": "NCT00606294",
      "title": "Using Fluorine-18-Labeled Fluoro-Misonidazole Positron Emission Tomography To Detect Hypoxia in Head and Neck Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "fluorine-18-labeled fluoro-misonidazole (18F-FMISO)",
          "type": "RADIATION"
        },
        {
          "name": "18F-FMISO PET scan",
          "type": "DEVICE"
        },
        {
          "name": "MRI",
          "type": "DEVICE"
        },
        {
          "name": "FDG PET/CT scan",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DEVICE"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 216,
      "start_date": "2004-06",
      "completion_date": "2023-06-09",
      "has_results": true,
      "last_update_posted_date": "2023-06-28",
      "last_synced_at": "2026-10-08T05:04:39.202Z",
      "location_count": 5,
      "location_summary": "Basking Ridge, New Jersey • Commack, New York • Harrison, New York + 2 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rockville Centre",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00606294"
    },
    {
      "nct_id": "NCT02485808",
      "title": "Symptoms of Lower Urinary Tract Dysfunction Phenotyping Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lower Urinary Tract Symptoms"
      ],
      "interventions": [
        {
          "name": "None-observational",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "PROCEDURE"
        },
        {
          "name": "Multimodal Automated Sensory Testing System",
          "type": "OTHER"
        },
        {
          "name": "Auditory Sensitivity Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Arbor Research Collaborative for Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1879,
      "start_date": "2015-04",
      "completion_date": "2018-05",
      "has_results": false,
      "last_update_posted_date": "2019-01-15",
      "last_synced_at": "2026-10-08T05:04:39.202Z",
      "location_count": 6,
      "location_summary": "Chicago, Illinois • Iowa City, Iowa • Ann Arbor, Michigan + 3 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02485808"
    },
    {
      "nct_id": "NCT02919280",
      "title": "Dallas 2K: A Natural History Study of Depression",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Depression",
        "Depression, Bipolar"
      ],
      "interventions": [
        {
          "name": "Observational Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 2500,
      "start_date": "2016-06-14",
      "completion_date": "2036-09",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-10-08T05:04:39.202Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02919280"
    },
    {
      "nct_id": "NCT05981716",
      "title": "Young Breast Cancer Survivors Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 60 Years · Female only"
      },
      "enrollment_count": 384,
      "start_date": "2023-01-10",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-08-14",
      "last_synced_at": "2026-10-08T05:04:39.202Z",
      "location_count": 1,
      "location_summary": "Columbia, South Carolina",
      "locations": [
        {
          "city": "Columbia",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05981716"
    },
    {
      "nct_id": "NCT04580589",
      "title": "DOAC ADRs Retrospective Study on Genetic Variations",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Drug-Related Side Effects and Adverse Reactions",
        "Treatment Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Cipherome, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 210,
      "start_date": "2021-02-01",
      "completion_date": "2022-10-31",
      "has_results": false,
      "last_update_posted_date": "2023-02-16",
      "last_synced_at": "2026-10-08T05:04:39.202Z",
      "location_count": 1,
      "location_summary": "Santa Clara, California",
      "locations": [
        {
          "city": "Santa Clara",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04580589"
    },
    {
      "nct_id": "NCT06284213",
      "title": "Biomarkers for Vascular Contributions to Cognitive Impairment and Dementia Consortium",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cognitive Impairment",
        "Dementia"
      ],
      "interventions": [
        {
          "name": "No interventions",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "60 Years to 90 Years"
      },
      "enrollment_count": 1892,
      "start_date": "2021-09-29",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2025-01-29",
      "last_synced_at": "2026-10-08T05:04:39.202Z",
      "location_count": 17,
      "location_summary": "Los Angeles, California • Sacramento, California • San Francisco, California + 12 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Sylmar",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06284213"
    },
    {
      "nct_id": "NCT02684422",
      "title": "Initial and Chronic Methicillin Resistant Staphylococcus Aureus (MRSA) Infection in Cystic Fibrosis (CF)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Methicillin-Resistant Staphylococcus Aureus",
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Intervention N/A. Observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "4 Years to 99 Years"
      },
      "enrollment_count": 48,
      "start_date": "2015-07",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2022-01-20",
      "last_synced_at": "2026-10-08T05:04:39.202Z",
      "location_count": 3,
      "location_summary": "Birmingham, Alabama • Chapel Hill, North Carolina • Seattle, Washington",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02684422"
    },
    {
      "nct_id": "NCT00716404",
      "title": "Post-Market Observational Study of Intra-Renal Drug Delivery",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Targeted Renal Therapy"
      ],
      "interventions": [
        {
          "name": "Targeted Renal Therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "FlowMedica, Inc.",
      "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": "2008-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2010-02-05",
      "last_synced_at": "2026-10-08T05:04:39.202Z",
      "location_count": 4,
      "location_summary": "La Jolla, California • Owensboro, Kentucky • Lafayette, Louisiana + 1 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Owensboro",
          "state": "Kentucky"
        },
        {
          "city": "Lafayette",
          "state": "Louisiana"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00716404"
    },
    {
      "nct_id": "NCT04782297",
      "title": "Long Term Hemodialysis Catheters (LTHD) Post Market Clinical Follow up (PMCF)",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "CKD",
        "ESRD"
      ],
      "interventions": [
        {
          "name": "Long term hemodialysis catheter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medical Components, Inc dba MedComp",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2022-03-30",
      "completion_date": "2023-03-17",
      "has_results": false,
      "last_update_posted_date": "2024-01-10",
      "last_synced_at": "2026-10-08T05:04:39.202Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04782297"
    },
    {
      "nct_id": "NCT06887348",
      "title": "A Study to Assess the Long-term Safety Outcomes in Patients Previously Treated With RP1, RP2, or RP3",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Melanoma",
        "Metastatic Melanoma",
        "Advanced Solid Tumor",
        "Hepatocellular Carcinoma"
      ],
      "interventions": [
        {
          "name": "Observational study with no interventions",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Replimune, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2025-12-12",
      "completion_date": "2035-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-12",
      "last_synced_at": "2026-10-08T05:04:39.202Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06887348"
    }
  ]
}