{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=38",
    "query": {
      "intervention": "Contrast",
      "page": 38
    },
    "page_size": 10
  },
  "pagination": {
    "page": 38,
    "page_size": 10,
    "total_count": 1450,
    "total_pages": 145,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=39&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=37&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T09:29:43.637Z",
  "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": "NCT04751747",
      "title": "Adaptive Radiation Planning for the Reduction of Radiation-Induced Toxicity in Patients With Stage II-IV Non-small Cell Lung Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Locally Advanced Lung Non-Small Cell Carcinoma",
        "Metastatic Lung Non-Small Cell Carcinoma",
        "Stage II Lung Cancer AJCC v8",
        "Stage IIA Lung Cancer AJCC v8",
        "Stage IIB Lung Cancer AJCC v8",
        "Stage III Lung Cancer AJCC v8",
        "Stage IIIA Lung Cancer AJCC v8",
        "Stage IIIB Lung Cancer AJCC v8",
        "Stage IIIC Lung Cancer AJCC v8",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IVA Lung Cancer AJCC v8",
        "Stage IVB Lung Cancer AJCC v8",
        "Unresectable Lung Non-Small Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Contrast Agent",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2021-02-11",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-10-24T09:29:43.637Z",
      "location_count": 2,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04751747"
    },
    {
      "nct_id": "NCT04246879",
      "title": "MRI Following Stereotactic Radiosurgery (SRS) for Brain Metastases",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain Metastases"
      ],
      "interventions": [
        {
          "name": "MRI",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2021-07-19",
      "completion_date": "2027-03-24",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-10-24T09:29:43.637Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04246879"
    },
    {
      "nct_id": "NCT04632485",
      "title": "Early Detection of Vascular Dysfunction Using Biomarkers From Lagrangian Carotid Strain Imaging",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy",
        "Carotid Artery Diseases"
      ],
      "interventions": [
        {
          "name": "Ultrasound imaging",
          "type": "DEVICE"
        },
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "DEVICE"
        },
        {
          "name": "Neurocognitive testing",
          "type": "OTHER"
        },
        {
          "name": "Transcranial Doppler (TCD)",
          "type": "DEVICE"
        },
        {
          "name": "Pulse Wave Doppler",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 217,
      "start_date": "2021-09-09",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-02",
      "last_synced_at": "2026-10-24T09:29:43.637Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04632485"
    },
    {
      "nct_id": "NCT05497440",
      "title": "Evaluation of All'InCath in Peripheral Vasculature Percutaneous Transluminal Angioplasty.",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vascular Diseases"
      ],
      "interventions": [
        {
          "name": "All'InCath CBC 035M Balloon Dilatation Catheter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NexStep Medical",
      "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": "2022-07-07",
      "completion_date": "2022-10-07",
      "has_results": false,
      "last_update_posted_date": "2025-01-31",
      "last_synced_at": "2026-10-24T09:29:43.637Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05497440"
    },
    {
      "nct_id": "NCT03147989",
      "title": "Retrospective Study of MRI With MULTIHANCE at 0.10 and 0.05 mmol/Kg Dose in CNS Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Central Nervous System Diseases",
        "Central Nervous System Neoplasms"
      ],
      "interventions": [
        {
          "name": "MultiHance",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bracco Diagnostics, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 352,
      "start_date": "2017-05-18",
      "completion_date": "2018-03-16",
      "has_results": false,
      "last_update_posted_date": "2018-07-18",
      "last_synced_at": "2026-10-24T09:29:43.637Z",
      "location_count": 1,
      "location_summary": "Sarasota, Florida",
      "locations": [
        {
          "city": "Sarasota",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03147989"
    },
    {
      "nct_id": "NCT03882359",
      "title": "An Ascending Dose Comparison of MVT-100 to Definity in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Heart Diseases"
      ],
      "interventions": [
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MVT-100",
          "type": "DRUG"
        },
        {
          "name": "Definity",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG"
      ],
      "sponsor": "Microvascular Therapeutics, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2019-04-25",
      "completion_date": "2025-05-06",
      "has_results": false,
      "last_update_posted_date": "2025-05-09",
      "last_synced_at": "2026-10-24T09:29:43.637Z",
      "location_count": 2,
      "location_summary": "Kansas City, Missouri • Omaha, Nebraska",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03882359"
    },
    {
      "nct_id": "NCT03482960",
      "title": "Comparison of 129Xe MRI With 19F MRI in CF Lung Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Hyperpolarized Xenon gas",
          "type": "DRUG"
        },
        {
          "name": "PFP",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2018-05-29",
      "completion_date": "2019-04-10",
      "has_results": false,
      "last_update_posted_date": "2021-01-25",
      "last_synced_at": "2026-10-24T09:29:43.637Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03482960"
    },
    {
      "nct_id": "NCT02927990",
      "title": "Contrast Volume Reduction During PCI With the Use of a New Assisting Software Package",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Stenosis",
        "Coronary Occlusion"
      ],
      "interventions": [
        {
          "name": "Percutaneous Coronary Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Philips Clinical & Medical Affairs Global",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2017-12-15",
      "completion_date": "2019-06-30",
      "has_results": true,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-10-24T09:29:43.637Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02927990"
    },
    {
      "nct_id": "NCT01853163",
      "title": "Long-Term Retention of Gadolinium in Bone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Focus: Long-term Retention of Gadolinium-based Contrast Agent"
      ],
      "interventions": [
        {
          "name": "Gadolinium analysis in bone and tissue samples",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Navitas Life Sciences GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 92,
      "start_date": "2013-05-06",
      "completion_date": "2018-12-17",
      "has_results": true,
      "last_update_posted_date": "2022-09-28",
      "last_synced_at": "2026-10-24T09:29:43.637Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01853163"
    },
    {
      "nct_id": "NCT01721447",
      "title": "Efficacy of Optison Echo Contrast to Detect Thrombus in Left Atrial Appendage",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Optison echocardiography contrast agent",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "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": 100,
      "start_date": "2013-06",
      "completion_date": "2018-05",
      "has_results": true,
      "last_update_posted_date": "2019-08-20",
      "last_synced_at": "2026-10-24T09:29:43.637Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01721447"
    }
  ]
}