{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=15",
    "query": {
      "intervention": "Contrast",
      "page": 15
    },
    "page_size": 10
  },
  "pagination": {
    "page": 15,
    "page_size": 10,
    "total_count": 1450,
    "total_pages": 145,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=16&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=14&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T00:14:24.810Z",
  "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": "NCT01544036",
      "title": "Monitoring Renal Blood Flow With Contrast Enhanced Ultrasound During Coronary Angiogram",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contrast Induced Acute Kidney Injury"
      ],
      "interventions": [
        {
          "name": "perflutren",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2012-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-12-19",
      "last_synced_at": "2026-10-22T00:14:24.810Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01544036"
    },
    {
      "nct_id": "NCT02880137",
      "title": "Real Time Myocardial Perfusion Echocardiography for Coronary Allograft Vasculopathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cardiac Allograft Vasculopathy"
      ],
      "interventions": [
        {
          "name": "Perflutren Lipid Microsphere",
          "type": "DRUG"
        },
        {
          "name": "RTMPE",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 36,
      "start_date": "2016-09",
      "completion_date": "2018-06-30",
      "has_results": true,
      "last_update_posted_date": "2019-06-20",
      "last_synced_at": "2026-10-22T00:14:24.810Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02880137"
    },
    {
      "nct_id": "NCT05056844",
      "title": "Contrast Enhanced Spectral Mammography for the Evaluation of Pathologic Nipple Discharge",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Contrast Enhanced Digital Mammography",
          "type": "PROCEDURE"
        },
        {
          "name": "Digital Tomosynthesis Mammography",
          "type": "PROCEDURE"
        },
        {
          "name": "Iodinated Contrast Agent",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 85 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2021-04-15",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-10-22T00:14:24.810Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05056844"
    },
    {
      "nct_id": "NCT03127709",
      "title": "A Study of Memory, Thinking, and Brain Imaging in Adults With Histiocytosis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Histiocytosis"
      ],
      "interventions": [
        {
          "name": "Trail Making Test, Parts A & B",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brief Test of Attention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Symbol Span",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Controlled Oral Word Association Test",
          "type": "BEHAVIORAL"
        },
        {
          "name": "The Hopkins Verbal Learning Test-Revised",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brief Visuospatial Memory Test-Revised",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Hospital Anxiety and Depression Scale",
          "type": "BEHAVIORAL"
        },
        {
          "name": "McGill Quality of Life Scale",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MR Brain Imaging",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Resting state functional MRI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Functional Assessment of Cancer Therapy Cognitive Scale (FACT-Cog)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 13,
      "start_date": "2017-04-07",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-10-22T00:14:24.810Z",
      "location_count": 4,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Commack, New York + 1 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03127709"
    },
    {
      "nct_id": "NCT02048995",
      "title": "Neural and Visual Responses to Light in Bipolar Disorder: A Novel Putative Biomarker",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bipolar Depression"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 91,
      "start_date": "2014-02",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2018-03-29",
      "last_synced_at": "2026-10-22T00:14:24.810Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02048995"
    },
    {
      "nct_id": "NCT04336800",
      "title": "Multi-Parametric MRI Assessment of the Liver in Diabetic Volunteers (Partners Registry)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-Alcoholic Fatty Liver Disease",
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "LiverMultiscan",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Perspectum",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 74,
      "start_date": "2020-04-01",
      "completion_date": "2022-01-01",
      "has_results": false,
      "last_update_posted_date": "2022-07-25",
      "last_synced_at": "2026-10-22T00:14:24.810Z",
      "location_count": 1,
      "location_summary": "Sarasota, Florida",
      "locations": [
        {
          "city": "Sarasota",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04336800"
    },
    {
      "nct_id": "NCT04130607",
      "title": "A Study to Evaluate Strategies for Teaching Effective Use of Diagnostic Tests",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Instructional Methods"
      ],
      "interventions": [
        {
          "name": "Conceptual teaching",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Sentara Norfolk General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 65,
      "start_date": "2018-05-15",
      "completion_date": "2019-10-15",
      "has_results": false,
      "last_update_posted_date": "2019-10-17",
      "last_synced_at": "2026-10-22T00:14:24.810Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04130607"
    },
    {
      "nct_id": "NCT04640038",
      "title": "Contrast Enhanced Ultrasound in COVID-19",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Covid19",
        "Multisystem Inflammatory Syndrome in Children (MIS-C)"
      ],
      "interventions": [
        {
          "name": "Sulfur hexafluoride lipid-type A microspheres",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Minute",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "1 Minute to 17 Years"
      },
      "enrollment_count": 4,
      "start_date": "2020-12-18",
      "completion_date": "2021-09-17",
      "has_results": true,
      "last_update_posted_date": "2024-07-30",
      "last_synced_at": "2026-10-22T00:14:24.810Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04640038"
    },
    {
      "nct_id": "NCT04880226",
      "title": "A Study to Evaluate Non-significant Risk Operation Magnetic Resonance Imaging for MRI Guided Ablation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2021-08-30",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-10-22T00:14:24.810Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04880226"
    },
    {
      "nct_id": "NCT02021604",
      "title": "Fluorodopa F 18 in Congenital Hyperinsulinism and Insulinoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Congenital Hyperinsulinism",
        "Insulinoma"
      ],
      "interventions": [
        {
          "name": "Fluorodopa F 18",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cook Children's Health Care System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 250,
      "start_date": "2013-10-09",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2024-07-16",
      "last_synced_at": "2026-10-22T00:14:24.810Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02021604"
    }
  ]
}