{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Four-dimensional+computed+tomography+%284DCT%29",
    "query": {
      "intervention": "Four-dimensional computed tomography (4DCT)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Four-dimensional+computed+tomography+%284DCT%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T22:51:42.197Z",
  "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": "NCT00862680",
      "title": "4D PET/CT in Diagnosing Participants With Lung and Colorectal Cancer With Liver and Lung Metastasis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Metastatic Malignant Neoplasm in the Liver",
        "Metastatic Malignant Neoplasm in the Lung",
        "Stage IV Colorectal Cancer AJCC v8",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IVA Colorectal Cancer AJCC v8",
        "Stage IVA Lung Cancer AJCC v8",
        "Stage IVB Colorectal Cancer AJCC v8",
        "Stage IVB Lung Cancer AJCC v8",
        "Stage IVC Colorectal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "4-Dimensional Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "4D PET Scan",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 75,
      "start_date": "2009-03-12",
      "completion_date": "2019-04-28",
      "has_results": false,
      "last_update_posted_date": "2020-04-14",
      "last_synced_at": "2026-09-23T22:51:42.197Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00862680"
    },
    {
      "nct_id": "NCT00538720",
      "title": "Effects of Vitamin D Replacement in Patients With Primary Hyperparathyroidism (PHPT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "Vitamin D",
          "type": "DRUG"
        },
        {
          "name": "Four-dimensional computed tomography (4DCT)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2007-10",
      "completion_date": "2018-05-30",
      "has_results": false,
      "last_update_posted_date": "2019-03-25",
      "last_synced_at": "2026-09-23T22:51:42.197Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00538720"
    },
    {
      "nct_id": "NCT01959672",
      "title": "Chemotherapy, Stereotactic Body Radiation Therapy & Nelfinavir Mesylate in Locally Advanced Pancreatic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pancreatic Adenocarcinoma",
        "Resectable Pancreatic Carcinoma",
        "Stage I Pancreatic Cancer",
        "Stage IA Pancreatic Cancer",
        "Stage IB Pancreatic Cancer",
        "Stage II Pancreatic Cancer",
        "Stage IIA Pancreatic Cancer",
        "Stage IIB Pancreatic Cancer",
        "Stage III Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "4-Dimensional Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Nelfinavir Mesylate",
          "type": "DRUG"
        },
        {
          "name": "Oregovomab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2013-09-06",
      "completion_date": "2018-12-01",
      "has_results": true,
      "last_update_posted_date": "2023-10-10",
      "last_synced_at": "2026-09-23T22:51:42.197Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01959672"
    },
    {
      "nct_id": "NCT07398209",
      "title": "GCC 2546- Motion Management",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Cancer (NSCLC)",
        "Radiation"
      ],
      "interventions": [
        {
          "name": "MRI",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2026-04-14",
      "completion_date": "2029-04",
      "has_results": false,
      "last_update_posted_date": "2026-06-26",
      "last_synced_at": "2026-09-23T22:51:42.197Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07398209"
    },
    {
      "nct_id": "NCT03426306",
      "title": "A Novel Lung Function Imaging Modality As a Preoperative Evaluation Tool (LIME)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "4DCT-Ventilation",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 65,
      "start_date": "2018-03-21",
      "completion_date": "2022-01-18",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-23T22:51:42.197Z",
      "location_count": 2,
      "location_summary": "Aurora, Colorado • Colorado Springs, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03426306"
    },
    {
      "nct_id": "NCT02843568",
      "title": "Improving Pulmonary Function Following Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Non-Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Standard fractionation",
          "type": "RADIATION"
        },
        {
          "name": "Stereotactic Body Radiation Therapy (SBRT)",
          "type": "RADIATION"
        },
        {
          "name": "Four Dimensional Computed Tomographic Imaging (4DCT)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 122,
      "start_date": "2016-08-17",
      "completion_date": "2023-08-16",
      "has_results": true,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-09-23T22:51:42.197Z",
      "location_count": 2,
      "location_summary": "Johnson Creek, Wisconsin • Madison, Wisconsin",
      "locations": [
        {
          "city": "Johnson Creek",
          "state": "Wisconsin"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02843568"
    },
    {
      "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": "2026-09-23T22:51:42.197Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01034514"
    },
    {
      "nct_id": "NCT01626001",
      "title": "Imaging Study Compare 4DCT Image",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Esophagus Cancer",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "4D CT scans",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 52,
      "start_date": "2012-07",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2015-11-18",
      "last_synced_at": "2026-09-23T22:51:42.197Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01626001"
    },
    {
      "nct_id": "NCT02833948",
      "title": "Comparison of a Rivaroxaban-based Strategy With an Antiplatelet-based Strategy Following Successful TAVR for the Prevention of Leaflet Thickening and Reduced Leaflet Motion as Evaluated by Four-dimensional, Volume-rendered Computed Tomography (4DCT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Aortic Valve Stenosis",
        "Cardiovascular Diseases",
        "Heart Valve Diseases",
        "Ventricular Outflow Obstruction",
        "Thrombosis"
      ],
      "interventions": [
        {
          "name": "Acetylsalicylic acid",
          "type": "DRUG"
        },
        {
          "name": "Clopidogrel",
          "type": "DRUG"
        },
        {
          "name": "Rivaroxaban",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ECRI bv",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 231,
      "start_date": "2016-05",
      "completion_date": "2019-03-06",
      "has_results": true,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-09-23T22:51:42.197Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • New York, New York • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02833948"
    },
    {
      "nct_id": "NCT02735746",
      "title": "Novel Lung Imaging in Adults Undergoing Radiation Therapy to Assess for Radiation Pneumonitis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer",
        "Breast Cancer",
        "Mediastinum Lesion",
        "Radiation Pneumonitis"
      ],
      "interventions": [
        {
          "name": "4D Computed Tomography (CT)",
          "type": "RADIATION"
        },
        {
          "name": "Cone Beam CT",
          "type": "RADIATION"
        },
        {
          "name": "Low-dose Cinefluorography",
          "type": "RADIATION"
        },
        {
          "name": "Pulmonary Function Tests",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DEVICE"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2016-08-21",
      "completion_date": "2025-06-06",
      "has_results": false,
      "last_update_posted_date": "2025-08-22",
      "last_synced_at": "2026-09-23T22:51:42.197Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02735746"
    }
  ]
}