{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=8",
    "query": {
      "intervention": "Contrast",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 1450,
    "total_pages": 145,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T00:38:05.221Z",
  "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": "NCT00001889",
      "title": "Comparison of Echocardiographic Techniques in Diagnosis of Coronary Artery Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Coronary Disease"
      ],
      "interventions": [
        {
          "name": "Myocardial contrast echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Stress echocardiography with dobutamine",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 150,
      "start_date": "1999-03",
      "completion_date": "2001-03",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-21T00:38:05.221Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001889"
    },
    {
      "nct_id": "NCT02496260",
      "title": "Biomarkers and Cardiac MRI as Early Indicators of Cardiac Exposure Following Breast Radiotherapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Research Cardiac MRI",
          "type": "PROCEDURE"
        },
        {
          "name": "Biomarkers",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Henry Ford Health System",
      "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": 25,
      "start_date": "2015-07",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2022-03-03",
      "last_synced_at": "2026-10-21T00:38:05.221Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02496260"
    },
    {
      "nct_id": "NCT01242020",
      "title": "Microvascular Flow Assessment Repeatability Study: The MARS Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Perflutren Lipid Microsphere Injectable Suspension",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 6,
      "start_date": "2011-01",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2017-08-11",
      "last_synced_at": "2026-10-21T00:38:05.221Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01242020"
    },
    {
      "nct_id": "NCT06224543",
      "title": "MR Image Synthesis With Low Gadobutrol Dose and AI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Enhancing Brain Lesions"
      ],
      "interventions": [
        {
          "name": "SubtleGAD",
          "type": "DEVICE"
        },
        {
          "name": "Gadobutrol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Subtle Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 60,
      "start_date": "2023-06-16",
      "completion_date": "2025-08-15",
      "has_results": false,
      "last_update_posted_date": "2025-09-02",
      "last_synced_at": "2026-10-21T00:38:05.221Z",
      "location_count": 5,
      "location_summary": "Peoria, Illinois • Worcester, Massachusetts • Rochester, Minnesota + 2 more",
      "locations": [
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "State College",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06224543"
    },
    {
      "nct_id": "NCT04063410",
      "title": "Evaluation of Perforator Phase Contrast Angiography in Developing Surgery Plans for Patients With Breast Cancer Undergoing Breast Reconstruction With Free-Flap Methods After Mastectomy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mammoplasty Patient"
      ],
      "interventions": [
        {
          "name": "Angiography",
          "type": "PROCEDURE"
        },
        {
          "name": "MRI-Based Angiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of Cincinnati",
      "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": "2023-01-01",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-18",
      "last_synced_at": "2026-10-21T00:38:05.221Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04063410"
    },
    {
      "nct_id": "NCT03740997",
      "title": "Study to Determine Safety and Dosage of OPTISON in Pediatric Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Transthoracic Echocardiography",
        "Suspected or Known Structural or Functional Cardiac Abnormality"
      ],
      "interventions": [
        {
          "name": "Optison",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GE Healthcare",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "9 Years to 17 Years"
      },
      "enrollment_count": 39,
      "start_date": "2020-12-01",
      "completion_date": "2023-03-30",
      "has_results": true,
      "last_update_posted_date": "2024-05-17",
      "last_synced_at": "2026-10-21T00:38:05.221Z",
      "location_count": 8,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Augusta, Georgia + 5 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03740997"
    },
    {
      "nct_id": "NCT02786810",
      "title": "Contrast Enhanced Ultrasound for Evaluation of Reflux Nephropathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Urinary Tract Infection",
        "Vesicoureteral Reflux"
      ],
      "interventions": [
        {
          "name": "Sulfur hexafluoride type-a lipid microspheres",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Tennessee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "8 Years to 50 Years"
      },
      "enrollment_count": 10,
      "start_date": "2016-03",
      "completion_date": "2016-11",
      "has_results": true,
      "last_update_posted_date": "2018-05-11",
      "last_synced_at": "2026-10-21T00:38:05.221Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02786810"
    },
    {
      "nct_id": "NCT02501759",
      "title": "Transrectal MRI-Guided Biopsy in Identifying Cancer in Patients With Suspected Prostate Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Status Unknown",
        "Prostate Carcinoma"
      ],
      "interventions": [
        {
          "name": "3 Tesla Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Gadodiamide",
          "type": "RADIATION"
        },
        {
          "name": "Multiparametric Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Transrectal Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Ultrasound-Guided Prostate Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 2,
      "start_date": "2015-05",
      "completion_date": "2017-02-10",
      "has_results": true,
      "last_update_posted_date": "2019-04-03",
      "last_synced_at": "2026-10-21T00:38:05.221Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02501759"
    },
    {
      "nct_id": "NCT05486546",
      "title": "Contoura With Phorcides Compared to Wavefront Optimized LASIK",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Contoura with Phorcides",
          "type": "PROCEDURE"
        },
        {
          "name": "WaveLight Wavefront Optimized",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "Daniel Terveen",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "38 Years",
        "sex": "ALL",
        "summary": "21 Years to 38 Years"
      },
      "enrollment_count": 120,
      "start_date": "2022-08-15",
      "completion_date": "2023-12-01",
      "has_results": false,
      "last_update_posted_date": "2023-04-26",
      "last_synced_at": "2026-10-21T00:38:05.221Z",
      "location_count": 4,
      "location_summary": "Bozeman, Montana • Omaha, Nebraska • Fargo, North Dakota + 1 more",
      "locations": [
        {
          "city": "Bozeman",
          "state": "Montana"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Fargo",
          "state": "North Dakota"
        },
        {
          "city": "Sioux Falls",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05486546"
    },
    {
      "nct_id": "NCT03585153",
      "title": "Multicenter Assessment of the Pancreas in Type 1 Diabetes",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Non-contrast magnetic resonance imaging",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2014-02-19",
      "completion_date": "2050-12",
      "has_results": false,
      "last_update_posted_date": "2025-10-31",
      "last_synced_at": "2026-10-21T00:38:05.221Z",
      "location_count": 4,
      "location_summary": "Aurora, Colorado • Chicago, Illinois • Nashville, Tennessee + 1 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03585153"
    }
  ]
}