{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Microbubbles&page=2",
    "query": {
      "intervention": "Microbubbles",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Microbubbles&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T10:10:24.828Z",
  "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": "NCT00001891",
      "title": "Myocardial Contrast Echocardiography (MCE) to Check for Living and Working Heart Muscle",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Coronary Disease",
        "Heart Diseases"
      ],
      "interventions": [
        {
          "name": "Myocardial contrast echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Dobutamine echocardiography",
          "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": 200,
      "start_date": "1999-05",
      "completion_date": "2001-03",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-09-09T10:10:24.828Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001891"
    },
    {
      "nct_id": "NCT05105087",
      "title": "Gynecological Sentinel Lymph Nodes CEUS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cervical Carcinoma",
        "Malignant Female Reproductive System Neoplasm",
        "Vaginal Carcinoma",
        "Vulvar Carcinoma"
      ],
      "interventions": [
        {
          "name": "Perflubutane Microbubble",
          "type": "DRUG"
        },
        {
          "name": "Contrast-Enhanced Ultrasound",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "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": 9,
      "start_date": "2022-04-28",
      "completion_date": "2025-01-29",
      "has_results": true,
      "last_update_posted_date": "2025-08-22",
      "last_synced_at": "2026-09-09T10:10:24.828Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05105087"
    },
    {
      "nct_id": "NCT07501650",
      "title": "Pembrolizumab Plus Ultrasound-Induced Microbubble Cavitation in Head and Neck Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer",
        "Head and Neck Small Cell Carcinoma",
        "Metastatic Head and Neck Cancer",
        "Recurrent Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Definity",
          "type": "DRUG"
        },
        {
          "name": "Ultrasound-Induced Microbubble Cavitation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "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": 6,
      "start_date": "2026-03-18",
      "completion_date": "2028-03",
      "has_results": false,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-09-09T10:10:24.828Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07501650"
    },
    {
      "nct_id": "NCT03473249",
      "title": "Effectiveness of Contrast-Enhanced Ultrasound",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Abdominal Injuries",
        "Physical Abuse",
        "Accidental Fall",
        "Motor Vehicle Injury"
      ],
      "interventions": [
        {
          "name": "Contrast-Enhanced Ultrasound using Lumason",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "7 Years",
        "sex": "ALL",
        "summary": "0 Years to 7 Years"
      },
      "enrollment_count": 120,
      "start_date": "2018-05-09",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-24",
      "last_synced_at": "2026-09-09T10:10:24.828Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03473249"
    },
    {
      "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": "2026-09-09T10:10:24.828Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04720456"
    },
    {
      "nct_id": "NCT04804709",
      "title": "Non-Invasive Focused Ultrasound (FUS) With Oral Panobinostat in Children With Progressive Diffuse Midline Glioma (DMG)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diffuse Intrinsic Pontine Glioma",
        "Diffuse Pontine and Thalamic Gliomas",
        "Diffuse Midline Glioma, H3 K27M-Mutant"
      ],
      "interventions": [
        {
          "name": "Panobinostat 15 MG",
          "type": "DRUG"
        },
        {
          "name": "Focused Ultrasound with neuro-navigator-controlled sonication",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "4 Years to 21 Years"
      },
      "enrollment_count": 5,
      "start_date": "2021-07-28",
      "completion_date": "2022-03-31",
      "has_results": true,
      "last_update_posted_date": "2025-06-08",
      "last_synced_at": "2026-09-09T10:10:24.828Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04804709"
    },
    {
      "nct_id": "NCT04118764",
      "title": "Non-invasive Blood-brain Barrier Opening in Alzheimer's Disease Patients Using Focused Ultrasound",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "Neuronavigation-guided single-element focused ultrasound transducer",
          "type": "DEVICE"
        },
        {
          "name": "Definity",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging (MRI) with or without gadolinium contrast agents",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography (PET)",
          "type": "OTHER"
        },
        {
          "name": "Amyvid",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2020-08-06",
      "completion_date": "2022-09-28",
      "has_results": true,
      "last_update_posted_date": "2024-08-26",
      "last_synced_at": "2026-09-09T10:10:24.828Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04118764"
    },
    {
      "nct_id": "NCT04093973",
      "title": "Bicycle Exercise Echocardiography to Assess Physiological Significance of Mitral Annular Calcification",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mitral Annulus Calcification"
      ],
      "interventions": [
        {
          "name": "bicycle stress echocardiography",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Albert Einstein Healthcare Network",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2014-11-07",
      "completion_date": "2022-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-05-24",
      "last_synced_at": "2026-09-09T10:10:24.828Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04093973"
    },
    {
      "nct_id": "NCT03578224",
      "title": "Contrast-Enhanced Ultrasound Identification of Sentinel Nodes in Esophageal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Esophagus"
      ],
      "interventions": [
        {
          "name": "Endoscopic Ultrasound-Guided Fine-Needle Aspiration (EUS-FNA)",
          "type": "PROCEDURE"
        },
        {
          "name": "Contrast-Enhanced Ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Fine-Needle Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Sonazoid (Perflubutane)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2018-09-06",
      "completion_date": "2022-08-25",
      "has_results": false,
      "last_update_posted_date": "2025-05-18",
      "last_synced_at": "2026-09-09T10:10:24.828Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03578224"
    },
    {
      "nct_id": "NCT04150874",
      "title": "Contrast-Enhanced Ultrasound for the Evaluation of Changes in Tumor Blood Flow Surrounding HAE",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Hepatocellular Carcinoma",
        "Liver Cancer"
      ],
      "interventions": [
        {
          "name": "Lumason®",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2020-02-19",
      "completion_date": "2021-05-14",
      "has_results": false,
      "last_update_posted_date": "2023-04-10",
      "last_synced_at": "2026-09-09T10:10:24.828Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04150874"
    }
  ]
}