{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=fluorine+F18+EF5",
    "query": {
      "intervention": "fluorine F18 EF5"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T17:25:10.414Z",
  "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": "NCT01020097",
      "title": "Fluorine F 18 EF5 Positron Emission Tomography in Assessing Hypoxia in Patients With Newly Diagnosed Stage I, Stage II, Stage III, or Stage IV Head or Neck Squamous Cell Cancer of the Oral Cavity, Oropharynx, and Larynx",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "fluorine F18 EF5",
          "type": "DRUG"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "PROCEDURE"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2009-03",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2020-04-28",
      "last_synced_at": "2026-09-24T17:25:10.414Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01020097"
    },
    {
      "nct_id": "NCT00978874",
      "title": "Fluorine F 18 EF5 PET/CT Imaging in Patients With Locally Advanced or Recurrent/Metastatic Cervical Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "fludeoxyglucose F 18",
          "type": "RADIATION"
        },
        {
          "name": "fluorine F 18 EF5",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 120 Years · Female only"
      },
      "enrollment_count": 15,
      "start_date": "2008-05",
      "completion_date": "2013-09-04",
      "has_results": true,
      "last_update_posted_date": "2021-06-25",
      "last_synced_at": "2026-09-24T17:25:10.414Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00978874"
    },
    {
      "nct_id": "NCT01017133",
      "title": "Fluorine F18-EF5 and Fludeoxyglucose F18 Positron Emission Tomography in Assessing Hypoxia and Glycolysis in Patients With Stage I, Stage II, or Stage III Non-Small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "fludeoxyglucose F 18",
          "type": "RADIATION"
        },
        {
          "name": "Fluorine F 18 EF5",
          "type": "RADIATION"
        },
        {
          "name": "Positron emission tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2009-05",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2012-09-26",
      "last_synced_at": "2026-09-24T17:25:10.414Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01017133"
    },
    {
      "nct_id": "NCT00110032",
      "title": "Positron Emission Tomography Using Fluorine F 18 EF5 to Find Oxygen in Tumor Cells of Patients Who Are Undergoing Surgery or Biopsy for Newly Diagnosed Brain Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adult Anaplastic Astrocytoma",
        "Adult Anaplastic Ependymoma",
        "Adult Anaplastic Oligodendroglioma",
        "Adult Brain Stem Glioma",
        "Adult Central Nervous System Germ Cell Tumor",
        "Adult Choroid Plexus Tumor",
        "Adult Craniopharyngioma",
        "Adult Diffuse Astrocytoma",
        "Adult Ependymoblastoma",
        "Adult Ependymoma",
        "Adult Giant Cell Glioblastoma",
        "Adult Glioblastoma",
        "Adult Gliosarcoma",
        "Adult Grade I Meningioma",
        "Adult Grade II Meningioma",
        "Adult Grade III Meningioma",
        "Adult Medulloblastoma",
        "Adult Meningeal Hemangiopericytoma",
        "Adult Mixed Glioma",
        "Adult Myxopapillary Ependymoma",
        "Adult Oligodendroglioma",
        "Adult Pilocytic Astrocytoma",
        "Adult Pineoblastoma",
        "Adult Pineocytoma",
        "Adult Subependymoma",
        "Adult Supratentorial Primitive Neuroectodermal Tumor (PNET)",
        "Meningeal Melanocytoma"
      ],
      "interventions": [
        {
          "name": "EF5",
          "type": "DRUG"
        },
        {
          "name": "conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "positron emission tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "fluorine F 18 EF5",
          "type": "RADIATION"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 46,
      "start_date": "2005-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-01-16",
      "last_synced_at": "2026-09-24T17:25:10.414Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00110032"
    }
  ]
}