{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=29",
    "query": {
      "intervention": "Contrast",
      "page": 29
    },
    "page_size": 10
  },
  "pagination": {
    "page": 29,
    "page_size": 10,
    "total_count": 1450,
    "total_pages": 145,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=30&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=28&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T05:36:18.843Z",
  "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": "NCT02007967",
      "title": "Non-Contrast Magnetic Resonance Angiography Assessment of Patients Referred for Transcatheter Aortic Valve Implantation",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aortic Valve Stenosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 12,
      "start_date": "2013-12",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2016-12-22",
      "last_synced_at": "2026-10-23T05:36:18.843Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02007967"
    },
    {
      "nct_id": "NCT03859492",
      "title": "Screening CEDM in Intermediate and High-Risk Patient Populations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Contrast Enhanced Digital Mammography",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "35 Years and older · Female only"
      },
      "enrollment_count": 461,
      "start_date": "2019-02-15",
      "completion_date": "2021-05-31",
      "has_results": false,
      "last_update_posted_date": "2023-08-24",
      "last_synced_at": "2026-10-23T05:36:18.843Z",
      "location_count": 1,
      "location_summary": "Scottsdale, Arizona",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03859492"
    },
    {
      "nct_id": "NCT04982419",
      "title": "Remote Ischemic Preconditioning for Renal and Cardiac Protection in Congestive Heart Failure (RICH) Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Acute Kidney Injury",
        "Heart Failure",
        "Contrast Induced Nephropathy",
        "Coronary Angiography",
        "Percutaneous Coronary Intervention"
      ],
      "interventions": [
        {
          "name": "Remote ischemic preconditioning",
          "type": "DEVICE"
        },
        {
          "name": "Sham remote ischemic conditioning",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2021-11-01",
      "completion_date": "2029-03-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-15",
      "last_synced_at": "2026-10-23T05:36:18.843Z",
      "location_count": 3,
      "location_summary": "Pittsburgh, Pennsylvania • Dallas, Texas • Richmond, Virginia",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04982419"
    },
    {
      "nct_id": "NCT06177977",
      "title": "SS-HH-OCT as a Novel Diagnostic Modality for Early-Onset Retinal Dystrophies (EORDs)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Retinal Dystrophies"
      ],
      "interventions": [
        {
          "name": "SS-HH-OCT",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "0 Years to 8 Years"
      },
      "enrollment_count": 137,
      "start_date": "2024-03-01",
      "completion_date": "2026-02-05",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-10-23T05:36:18.843Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06177977"
    },
    {
      "nct_id": "NCT04879628",
      "title": "Proof-of-concept Study for SAR441344 (Frexalimab) in Relapsing Multiple Sclerosis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "SAR441344 IV",
          "type": "DRUG"
        },
        {
          "name": "placebo IV",
          "type": "DRUG"
        },
        {
          "name": "SAR441344 SC",
          "type": "DRUG"
        },
        {
          "name": "placebo SC",
          "type": "DRUG"
        },
        {
          "name": "MRI contrast-enhancing preparations",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 129,
      "start_date": "2021-06-07",
      "completion_date": "2027-08-23",
      "has_results": true,
      "last_update_posted_date": "2026-09-28",
      "last_synced_at": "2026-10-23T05:36:18.843Z",
      "location_count": 4,
      "location_summary": "Phoenix, Arizona • Tampa, Florida • Charlotte, North Carolina + 1 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04879628"
    },
    {
      "nct_id": "NCT02075112",
      "title": "Soy Isoflavone in Combination With Radiation Therapy and Cisplatin in SCC of the Head and Neck",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer of Head and Neck"
      ],
      "interventions": [
        {
          "name": "Soy isoflavone",
          "type": "DRUG"
        },
        {
          "name": "Radiation",
          "type": "RADIATION"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2013-11",
      "completion_date": "2019-09",
      "has_results": false,
      "last_update_posted_date": "2019-12-06",
      "last_synced_at": "2026-10-23T05:36:18.843Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02075112"
    },
    {
      "nct_id": "NCT04941573",
      "title": "Assessment of Chronic Lung Allograft Dysfunction Using Single-breath & Multi-breath Hyperpolarized Xenon-129 MRI",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Transplant Rejection"
      ],
      "interventions": [
        {
          "name": "Hyperpolarized 129-Xenon (MagniXene) MRI of the lung",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Xemed LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 45,
      "start_date": "2021-01-19",
      "completion_date": "2025-09-04",
      "has_results": false,
      "last_update_posted_date": "2025-09-30",
      "last_synced_at": "2026-10-23T05:36:18.843Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04941573"
    },
    {
      "nct_id": "NCT02384473",
      "title": "Real-Time Contrast-Enhanced Ultrasonography and Shear Wave Elastography in Predicting Treatment Response in Patients With Soft Tissue Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Adult Soft Tissue Sarcoma",
        "Bone Sarcoma",
        "Retroperitoneal Sarcoma"
      ],
      "interventions": [
        {
          "name": "Real-Time CEUS",
          "type": "PROCEDURE"
        },
        {
          "name": "SWE",
          "type": "PROCEDURE"
        },
        {
          "name": "Definity Suspension for Injection",
          "type": "DRUG"
        },
        {
          "name": "Philips Shear Wave Elastography",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "University of Southern California",
      "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": "2014-12-24",
      "completion_date": "2024-01-19",
      "has_results": false,
      "last_update_posted_date": "2024-01-23",
      "last_synced_at": "2026-10-23T05:36:18.843Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02384473"
    },
    {
      "nct_id": "NCT02177669",
      "title": "Test-Retest Variability of Quick Contrast Sensitivity Function Testing",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "quick Contrast Sensitivity Function test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Nova Southeastern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "20 Years to 89 Years"
      },
      "enrollment_count": 100,
      "start_date": "2014-06",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2017-04-11",
      "last_synced_at": "2026-10-23T05:36:18.843Z",
      "location_count": 1,
      "location_summary": "Fort Lauderdale, Florida",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02177669"
    },
    {
      "nct_id": "NCT04823273",
      "title": "Blood Transfusion Reduction - QI Project",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blood Transfusion"
      ],
      "interventions": [
        {
          "name": "General improvement",
          "type": "BEHAVIORAL"
        },
        {
          "name": "In-line help text",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Interruptive alert",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1640,
      "start_date": "2021-04-06",
      "completion_date": "2022-10-15",
      "has_results": false,
      "last_update_posted_date": "2023-05-10",
      "last_synced_at": "2026-10-23T05:36:18.843Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04823273"
    }
  ]
}