{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ultrasound+Microbubble+Contrast+Agent",
    "query": {
      "intervention": "Ultrasound Microbubble Contrast Agent"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 56,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ultrasound+Microbubble+Contrast+Agent&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T00:49:37.492Z",
  "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": "NCT03954015",
      "title": "Comparison of Three Methods for Early Detection of Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Proliferative Breast Disease"
      ],
      "interventions": [
        {
          "name": "Contrast Enhanced imaging",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Lumason",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "30 Years and older · Female only"
      },
      "enrollment_count": 3,
      "start_date": "2019-10-15",
      "completion_date": "2021-10-05",
      "has_results": false,
      "last_update_posted_date": "2022-01-10",
      "last_synced_at": "2026-09-13T00:49:37.492Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03954015"
    },
    {
      "nct_id": "NCT05470205",
      "title": "Noninvasive Subharmonic Aided Pressure Estimation of Portal Hypertension; Renewal",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Liver Diseases",
        "Portal Hypertension"
      ],
      "interventions": [
        {
          "name": "SHAPE measurement (Sonazoid ultrasoud contrast agent)",
          "type": "DRUG"
        },
        {
          "name": "SHAPE measurement (Definity ultrasoud contrast agent)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 660,
      "start_date": "2022-11-28",
      "completion_date": "2026-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-02-11",
      "last_synced_at": "2026-09-13T00:49:37.492Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05470205"
    },
    {
      "nct_id": "NCT04720456",
      "title": "SHAPE of Portal Hypertension in Children",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypertension, Portal"
      ],
      "interventions": [
        {
          "name": "SHAPE measurement using the ultrasound contrast agent Sonazoid (perfluorobutane microbubbles)",
          "type": "DRUG"
        },
        {
          "name": "SHAPE measurement using the ultrasound contrast agent Lumason (sulfur hexafluoride lipid-type A microspheres)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "6 Years to 21 Years"
      },
      "enrollment_count": 120,
      "start_date": "2021-11-03",
      "completion_date": "2025-08",
      "has_results": false,
      "last_update_posted_date": "2025-02-11",
      "last_synced_at": "2026-09-13T00:49:37.492Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04720456"
    },
    {
      "nct_id": "NCT03199274",
      "title": "Perflutren Protein-Type A Microspheres and Contrast-Enhanced Ultrasound in Improving Response to Radioembolization Therapy in Patients With Liver Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatocellular Carcinoma"
      ],
      "interventions": [
        {
          "name": "Yttrium-90 Microsphere Radioembolization",
          "type": "PROCEDURE"
        },
        {
          "name": "Perflutren Protein-Type A Microspheres",
          "type": "DRUG"
        },
        {
          "name": "Dynamic Contrast-Enhanced Ultrasound Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 104,
      "start_date": "2017-07-01",
      "completion_date": "2025-01-23",
      "has_results": true,
      "last_update_posted_date": "2026-01-02",
      "last_synced_at": "2026-09-13T00:49:37.492Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03199274"
    },
    {
      "nct_id": "NCT05613946",
      "title": "Contrast-Enhanced Ultrasound and Shear Wave Elastography for the Treatment of Lymphedema",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lymphedema Arm"
      ],
      "interventions": [
        {
          "name": "Lumason",
          "type": "DRUG"
        },
        {
          "name": "Optison",
          "type": "DRUG"
        },
        {
          "name": "Definity",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "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": 10,
      "start_date": "2022-12-15",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-08-21",
      "last_synced_at": "2026-09-13T00:49:37.492Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05613946"
    },
    {
      "nct_id": "NCT04021238",
      "title": "Contrast-Enhanced Ultrasound for Kidney Cancer Subtyping and Staging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Kidney Cancer"
      ],
      "interventions": [
        {
          "name": "Perflutren lipid microsphere",
          "type": "DRUG"
        },
        {
          "name": "Sulfur hexafluoride lipid microspheres",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 25,
      "start_date": "2020-10-07",
      "completion_date": "2022-08-05",
      "has_results": true,
      "last_update_posted_date": "2023-11-13",
      "last_synced_at": "2026-09-13T00:49:37.492Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04021238"
    },
    {
      "nct_id": "NCT02733029",
      "title": "Contrast Enhanced Ultrasonography to Detect Human Renal Transplant Rejection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Renal Transplant Rejection"
      ],
      "interventions": [
        {
          "name": "Sonazoid",
          "type": "DRUG"
        },
        {
          "name": "contrast enhanced ultrasonography",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 8,
      "start_date": "2018-05-30",
      "completion_date": "2023-02-01",
      "has_results": false,
      "last_update_posted_date": "2023-03-06",
      "last_synced_at": "2026-09-13T00:49:37.492Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02733029"
    },
    {
      "nct_id": "NCT02672722",
      "title": "Assessment of the Changes in Cortical and Medullary Renal Blood Flow During Exercise in Healthy Subjects Using Contrast Enhanced Ultrasound",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Healthy",
        "Physiology"
      ],
      "interventions": [
        {
          "name": "Definity",
          "type": "DRUG"
        },
        {
          "name": "Exercise",
          "type": "OTHER"
        },
        {
          "name": "Kidney Ultrasound",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Virginia",
      "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": 19,
      "start_date": "2016-01",
      "completion_date": "2017-10",
      "has_results": false,
      "last_update_posted_date": "2017-05-12",
      "last_synced_at": "2026-09-13T00:49:37.492Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02672722"
    },
    {
      "nct_id": "NCT00671411",
      "title": "Evaluating Renal Masses Using Ultrasound Intravenous Microbubble Contrast",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Renal Cancer",
        "Kidney Cancer"
      ],
      "interventions": [
        {
          "name": "Ultrasound with intravenous microbubble contrast injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "21 Years to 99 Years"
      },
      "enrollment_count": 42,
      "start_date": "2008-03",
      "completion_date": "2011-11",
      "has_results": false,
      "last_update_posted_date": "2015-12-28",
      "last_synced_at": "2026-09-13T00:49:37.492Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00671411"
    },
    {
      "nct_id": "NCT07145801",
      "title": "Y-90 Treatment Response Using Transarterial Radioembolization",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HCC",
        "Hepatocellular Carcinoma",
        "Liver Cancer",
        "Hepatic Neoplasm",
        "Primary Liver Cancer",
        "Liver Neoplasm"
      ],
      "interventions": [
        {
          "name": "Lumason",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Sonazoid",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Thomas Jefferson University",
      "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": "2025-09-11",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-09-13T00:49:37.492Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07145801"
    }
  ]
}