{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=4D+Computed+Tomography+%28CT%29",
    "query": {
      "intervention": "4D Computed Tomography (CT)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 37,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=4D+Computed+Tomography+%28CT%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T23:51:34.871Z",
  "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": "NCT03397342",
      "title": "MRI Only Radiation Therapy With CPAP",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Carcinoma Liver",
        "Carcinoma, Pancreatic"
      ],
      "interventions": [
        {
          "name": "CPAP machine",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Albert Einstein College of 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": "2018-04-24",
      "completion_date": "2022-03-01",
      "has_results": true,
      "last_update_posted_date": "2024-01-18",
      "last_synced_at": "2026-09-28T23:51:34.871Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03397342"
    },
    {
      "nct_id": "NCT04480190",
      "title": "Neoadjuvant Therapy in Biliary Adenocarcinoma",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cholangiocarcinoma",
        "Biliary Cancer"
      ],
      "interventions": [
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Short course ChemoRT",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Jordan Kharofa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2021-02-04",
      "completion_date": "2022-04-04",
      "has_results": false,
      "last_update_posted_date": "2022-04-20",
      "last_synced_at": "2026-09-28T23:51:34.871Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04480190"
    },
    {
      "nct_id": "NCT00780611",
      "title": "Investigating the Improvement in 4D CT Images Using AV Biofeedback",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer of the Lung",
        "Abdominal Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "86 Years",
        "sex": "ALL",
        "summary": "18 Years to 86 Years"
      },
      "enrollment_count": 25,
      "start_date": "2008-11",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2020-03-18",
      "last_synced_at": "2026-09-28T23:51:34.871Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00780611"
    },
    {
      "nct_id": "NCT01624220",
      "title": "A Prospective Study Using Implanted Fiducial Markers to Assess Treatment Accuracy and Esophageal Toxicity in Spinal Stereotactic Body Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Tumor"
      ],
      "interventions": [
        {
          "name": "Spinal SBRT (Standard Dose)",
          "type": "RADIATION"
        },
        {
          "name": "Spinal SBRT (Higher Dose)",
          "type": "RADIATION"
        },
        {
          "name": "Gold Seed Implantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson 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": 41,
      "start_date": "2012-08-03",
      "completion_date": "2023-04-14",
      "has_results": true,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-09-28T23:51:34.871Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01624220"
    },
    {
      "nct_id": "NCT03735667",
      "title": "ACURATE IDE: Safety and Effectiveness Study of ACURATE Valve for Transcatheter Aortic Valve Replacement",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aortic Stenosis"
      ],
      "interventions": [
        {
          "name": "ACURATE neo2™ Transfemoral TAVR System",
          "type": "DEVICE"
        },
        {
          "name": "Medtronic CoreValve TAVR System",
          "type": "DEVICE"
        },
        {
          "name": "Edwards SAPIEN 3 TAVR System",
          "type": "DEVICE"
        },
        {
          "name": "ACURATE Prime™ Transfemoral TAVR System XL",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1948,
      "start_date": "2019-06-10",
      "completion_date": "2029-09",
      "has_results": true,
      "last_update_posted_date": "2026-09-16",
      "last_synced_at": "2026-09-28T23:51:34.871Z",
      "location_count": 69,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 58 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03735667"
    },
    {
      "nct_id": "NCT02308709",
      "title": "Novel Lung Functional Imaging for Personalized Radiotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Ventilation image-guided radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 34,
      "start_date": "2014-09-15",
      "completion_date": "2021-11-19",
      "has_results": true,
      "last_update_posted_date": "2022-11-10",
      "last_synced_at": "2026-09-28T23:51:34.871Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02308709"
    },
    {
      "nct_id": "NCT00350142",
      "title": "Trilogy Stereotactic Body Radiotherapy for Pancreatic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Stereotactic Body Radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "4D pancreatic protocol CT scan",
          "type": "OTHER"
        },
        {
          "name": "FDG PET scan",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Albert Koong",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 20,
      "start_date": "2006-04",
      "completion_date": "2008-10",
      "has_results": true,
      "last_update_posted_date": "2017-02-14",
      "last_synced_at": "2026-09-28T23:51:34.871Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00350142"
    },
    {
      "nct_id": "NCT01034514",
      "title": "4D-CT-based Ventilation Imaging for Adaptive Functional Guidance in Radiotherapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Real-time Position Management system",
          "type": "DEVICE"
        },
        {
          "name": "Discovery ST multislice PET/CT scanner",
          "type": "DEVICE"
        },
        {
          "name": "Infinia Hawkeye SPECT/CT gamma camera",
          "type": "DEVICE"
        },
        {
          "name": "Pinnacle3 treatment planning system",
          "type": "DEVICE"
        },
        {
          "name": "SKYLight nuclear camera",
          "type": "DEVICE"
        },
        {
          "name": "DTPA",
          "type": "DRUG"
        },
        {
          "name": "TECHNETIUM TC 99M MAA",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Billy W. Loo Jr.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2009-12",
      "completion_date": "2014-06-24",
      "has_results": false,
      "last_update_posted_date": "2017-05-08",
      "last_synced_at": "2026-09-28T23:51:34.871Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01034514"
    },
    {
      "nct_id": "NCT01859338",
      "title": "Soft Tissue Detection on MRI, Cone Beam CT and Fan Beam CT and Integration of Functional MRI",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer",
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "cone-beam computed tomography",
          "type": "RADIATION"
        },
        {
          "name": "magnetic resonance imaging",
          "type": "RADIATION"
        },
        {
          "name": "computed tomography",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2012-03-06",
      "completion_date": "2017-01-24",
      "has_results": false,
      "last_update_posted_date": "2018-03-07",
      "last_synced_at": "2026-09-28T23:51:34.871Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01859338"
    },
    {
      "nct_id": "NCT04717804",
      "title": "4D CBCT and Intrafractional Imaging for the Determination of the Most Representative 4D Simulation Planning Technique for Lung SBRT Technique Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer of Lung"
      ],
      "interventions": [
        {
          "name": "AIP CT",
          "type": "OTHER"
        },
        {
          "name": "FB (Free-Breathing) CT",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2021-08-17",
      "completion_date": "2023-11-14",
      "has_results": false,
      "last_update_posted_date": "2024-06-27",
      "last_synced_at": "2026-09-28T23:51:34.871Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04717804"
    }
  ]
}