{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=PFP&page=2",
    "query": {
      "intervention": "PFP",
      "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=PFP&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T10:44:06.385Z",
  "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": "NCT01299649",
      "title": "Retrospective Safety Study to Compare Mortality in Intensive Care Unite (ICU) Patients Undergoing Echocardiography With or Without DEFINITY®",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Lantheus Medical Imaging",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4300000,
      "start_date": "2008-06",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2020-11-10",
      "last_synced_at": "2026-09-03T10:44:06.385Z",
      "location_count": 1,
      "location_summary": "North Billerica, Massachusetts",
      "locations": [
        {
          "city": "North Billerica",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01299649"
    },
    {
      "nct_id": "NCT06654804",
      "title": "Contrast-enhanced Ultrasound in the Treatment of Acute Spinal Cord Injury",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acute Spinal Cord Injury"
      ],
      "interventions": [
        {
          "name": "Perflutren lipid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2023-09-28",
      "completion_date": "2027-09-15",
      "has_results": false,
      "last_update_posted_date": "2025-04-27",
      "last_synced_at": "2026-09-03T10:44:06.385Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06654804"
    },
    {
      "nct_id": "NCT02424955",
      "title": "Feasibility 3D Perfusion Ultrasound for Liver Cancer SABR Planning and Response Evaluation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Liver Cancer",
        "Liver Tumor",
        "Hepatocellular Carcinoma",
        "Liver Carcinoma"
      ],
      "interventions": [
        {
          "name": "perflutren lipid microspheres",
          "type": "DRUG"
        },
        {
          "name": "3D ultrasound",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2014-11-18",
      "completion_date": "2022-06-30",
      "has_results": true,
      "last_update_posted_date": "2023-07-11",
      "last_synced_at": "2026-09-03T10:44:06.385Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02424955"
    },
    {
      "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": "2026-09-03T10:44:06.385Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01544036"
    },
    {
      "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": "2026-09-03T10:44:06.385Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05135169"
    },
    {
      "nct_id": "NCT02175628",
      "title": "Comparison of the Sensitivity and Specificity of Acoustic Angiography to the Sensitivity and Specificity of Conventional Ultrasound",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Signs and Symptoms"
      ],
      "interventions": [
        {
          "name": "Acoustic Angiography",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "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": 23,
      "start_date": "2014-06",
      "completion_date": "2018-06-30",
      "has_results": true,
      "last_update_posted_date": "2019-08-05",
      "last_synced_at": "2026-09-03T10:44:06.385Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02175628"
    },
    {
      "nct_id": "NCT00730964",
      "title": "A Prospective Surveillance Trial to Evaluate the Safety of Optison in Clinical Practice.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Echocardiography"
      ],
      "interventions": [
        {
          "name": "Perflutren Protein-Type A Microspheres Injectable Suspension, United States Pharmacopeia (USP)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GE Healthcare",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1039,
      "start_date": "2008-05",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2012-06-12",
      "last_synced_at": "2026-09-03T10:44:06.385Z",
      "location_count": 1,
      "location_summary": "Princeton, New Jersey",
      "locations": [
        {
          "city": "Princeton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00730964"
    },
    {
      "nct_id": "NCT00631553",
      "title": "Assessment of Changes in Renal Cortical and Medullary Blood Flow by Contrast Ultrasound",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney"
      ],
      "interventions": [
        {
          "name": "perflutren lipid microspheres",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2006-06",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2008-08-07",
      "last_synced_at": "2026-09-03T10:44:06.385Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00631553"
    },
    {
      "nct_id": "NCT01394926",
      "title": "Dose-Finding, Feasibility Study of Optison in Contrast Enhanced U/S for the Detection of Carotid Artery Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Carotid Artery Disease"
      ],
      "interventions": [
        {
          "name": "Optison",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GE Healthcare",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2011-06",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2014-05-02",
      "last_synced_at": "2026-09-03T10:44:06.385Z",
      "location_count": 1,
      "location_summary": "Princeton, New Jersey",
      "locations": [
        {
          "city": "Princeton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01394926"
    },
    {
      "nct_id": "NCT02102243",
      "title": "Neural Mechanism of Aldosterone-induced Insulin Resistance",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "DEFINITY® infusion",
          "type": "DRUG"
        },
        {
          "name": "Human Recombinant Regular Insulin infusion",
          "type": "DRUG"
        },
        {
          "name": "Dextrose infusion",
          "type": "DRUG"
        },
        {
          "name": "Flow mediated vasodilation",
          "type": "PROCEDURE"
        },
        {
          "name": "Endothelial cell collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Microvascular perfusion assessment using Definity",
          "type": "PROCEDURE"
        },
        {
          "name": "Microneurography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Wanpen Vongpatanasin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 0,
      "start_date": "2010-11",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2023-03-15",
      "last_synced_at": "2026-09-03T10:44:06.385Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02102243"
    }
  ]
}