{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=22",
    "query": {
      "intervention": "Contrast",
      "page": 22
    },
    "page_size": 10
  },
  "pagination": {
    "page": 22,
    "page_size": 10,
    "total_count": 1450,
    "total_pages": 145,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=23&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=21&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T08:07:49.867Z",
  "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": "NCT01490892",
      "title": "Quantitative Subharmonic Breast Imaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "3D HI and SHI of UCA",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 219,
      "start_date": "2011-11",
      "completion_date": "2019-04-05",
      "has_results": true,
      "last_update_posted_date": "2025-05-06",
      "last_synced_at": "2026-10-22T08:07:49.867Z",
      "location_count": 2,
      "location_summary": "La Jolla, California • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01490892"
    },
    {
      "nct_id": "NCT04139395",
      "title": "68Ga Citrate PET/MRI for Evaluation of Fever of Unknown Origin (FUO)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Fever of Unknown Origin"
      ],
      "interventions": [
        {
          "name": "68Ga-Citrate PET/MRI",
          "type": "DRUG"
        },
        {
          "name": "67Ga-Citrate SPECT",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "DEVICE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "DEVICE"
        },
        {
          "name": "SPECT",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Carina Mari Aparici",
      "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": "2019-01-15",
      "completion_date": "2021-12-20",
      "has_results": false,
      "last_update_posted_date": "2022-08-22",
      "last_synced_at": "2026-10-22T08:07:49.867Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04139395"
    },
    {
      "nct_id": "NCT01534975",
      "title": "Comparison of Contrast Agents During CT Angiography",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contrast Enhancement on Cardiac CT"
      ],
      "interventions": [
        {
          "name": "contrast agent",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 513,
      "start_date": "2012-01",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2018-03-01",
      "last_synced_at": "2026-10-22T08:07:49.867Z",
      "location_count": 1,
      "location_summary": "Torrance, California",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01534975"
    },
    {
      "nct_id": "NCT00734357",
      "title": "Comparative Investigation of Intravenously Administered Omnipaque and Isovue: Effects on Serum Creatinine Concentration in Outpatients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Blood work",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 413,
      "start_date": "2009-10",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2014-06-13",
      "last_synced_at": "2026-10-22T08:07:49.867Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00734357"
    },
    {
      "nct_id": "NCT05135169",
      "title": "Multi-organ Transit Time Acquisition Using Contrast Ultrasound",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Definity Suspension for Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2022-03-03",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-09",
      "last_synced_at": "2026-10-22T08:07:49.867Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05135169"
    },
    {
      "nct_id": "NCT04858022",
      "title": "Visual Acoustic Biofeedback for RSE Via Telepractice",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Speech Sound Disorder"
      ],
      "interventions": [
        {
          "name": "Visual-Acoustic Biofeedback Treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No Treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Montclair State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "9 Years to 15 Years"
      },
      "enrollment_count": 40,
      "start_date": "2022-01-15",
      "completion_date": "2024-04-15",
      "has_results": true,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-10-22T08:07:49.867Z",
      "location_count": 1,
      "location_summary": "Upper Montclair, New Jersey",
      "locations": [
        {
          "city": "Upper Montclair",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04858022"
    },
    {
      "nct_id": "NCT02843230",
      "title": "Monitoring Anti-angiogenic Therapy in Brain Tumors by Advanced MRI",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Glioblastoma"
      ],
      "interventions": [
        {
          "name": "Avastin",
          "type": "RADIATION"
        },
        {
          "name": "Lomustine",
          "type": "RADIATION"
        },
        {
          "name": "Temozolomide",
          "type": "RADIATION"
        },
        {
          "name": "MRI",
          "type": "DEVICE"
        },
        {
          "name": "MRS",
          "type": "DEVICE"
        },
        {
          "name": "DSC",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2016-08-01",
      "completion_date": "2022-01-31",
      "has_results": false,
      "last_update_posted_date": "2022-04-08",
      "last_synced_at": "2026-10-22T08:07:49.867Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02843230"
    },
    {
      "nct_id": "NCT02834650",
      "title": "Validating Cardiac MRI Biomarkers and Genotype-Phenotype Correlations for DMD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscular Dystrophy, Duchenne"
      ],
      "interventions": [
        {
          "name": "Cardiac MRI with contrast",
          "type": "OTHER"
        },
        {
          "name": "Cardiac MRI without contrast",
          "type": "OTHER"
        },
        {
          "name": "Blood Test",
          "type": "OTHER"
        },
        {
          "name": "Heart Rate",
          "type": "OTHER"
        },
        {
          "name": "Pulmonary Function Test",
          "type": "OTHER"
        },
        {
          "name": "Genetic Testing",
          "type": "OTHER"
        },
        {
          "name": "Repeat MRI scan",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "21 Years",
        "sex": "MALE",
        "summary": "7 Years to 21 Years · Male only"
      },
      "enrollment_count": 89,
      "start_date": "2017-02-01",
      "completion_date": "2022-03-30",
      "has_results": false,
      "last_update_posted_date": "2022-05-10",
      "last_synced_at": "2026-10-22T08:07:49.867Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • Orange, California • Stanford, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02834650"
    },
    {
      "nct_id": "NCT05641935",
      "title": "Contrast-Enhanced Ultrasound Imaging for Diagnosing Recurrent Renal Cell Carcinoma (RCC) Post Ablation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Renal Cell Carcinoma",
        "Renal Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Sulfur Hexafluoride Lipid Microspheres",
          "type": "DRUG"
        },
        {
          "name": "Contrast-Enhanced Ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "john eisenbrey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2022-11-03",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-10-22T08:07:49.867Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05641935"
    },
    {
      "nct_id": "NCT01763840",
      "title": "Contrast Enhanced Ultrasound for Evaluation of Pediatric Abdominal Trauma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Abdominal Trauma"
      ],
      "interventions": [
        {
          "name": "Contrast enhanced Ultrasound",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "David Mooney",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "2 Years to 35 Years"
      },
      "enrollment_count": 18,
      "start_date": "2013-04",
      "completion_date": "2015-10",
      "has_results": false,
      "last_update_posted_date": "2017-01-31",
      "last_synced_at": "2026-10-22T08:07:49.867Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01763840"
    }
  ]
}