{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cardiac+Perfusion&page=2",
    "query": {
      "condition": "Cardiac Perfusion",
      "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?condition=Cardiac+Perfusion&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T01:35:16.473Z",
  "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": "NCT01128036",
      "title": "Comparison of Different Locations for Pulse Oximetry Probes in Cardiovascular (CV) Patients With Poor Peripheral Perfusion",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congestive Heart Failure",
        "Cardiomyopathy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Saint Luke's Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2010-05",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2011-08-09",
      "last_synced_at": "2026-07-24T01:35:16.473Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01128036"
    },
    {
      "nct_id": "NCT01695551",
      "title": "Brain Perfusion and Hemodynamic Stability in Patients Undergoing Radiofrequency Ablation of Ventricular Tachycardia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ventricular Tachycardia"
      ],
      "interventions": [
        {
          "name": "Data Collection Forms",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dhanunjaya Lakkireddy, MD, FACC",
      "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": "2012-07",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-01-09",
      "last_synced_at": "2026-07-24T01:35:16.473Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01695551"
    },
    {
      "nct_id": "NCT00001631",
      "title": "Study of Blood Flow in Heart Muscle",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Coronary Disease",
        "Healthy",
        "Hypertrophic Cardiomyopathy",
        "Myocardial Ischemia"
      ],
      "interventions": [
        {
          "name": "Magnetic resonance imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 249,
      "start_date": "1997-08",
      "completion_date": "2003-01",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-07-24T01:35:16.473Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001631"
    },
    {
      "nct_id": "NCT00001638",
      "title": "Magnetic Resonance Imaging of the Blood Vessels of the Heart",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2916,
      "start_date": "1997-09-29",
      "completion_date": "2009-08-03",
      "has_results": false,
      "last_update_posted_date": "2022-08-04",
      "last_synced_at": "2026-07-24T01:35:16.473Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001638"
    },
    {
      "nct_id": "NCT01021618",
      "title": "Regadenoson Combined With Symptom-Limited Exercise in Patients Undergoing Myocardial Perfusion Imaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease",
        "Myocardial Ischemia"
      ],
      "interventions": [
        {
          "name": "Regadenoson",
          "type": "DRUG"
        },
        {
          "name": "Symptom-limited exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hartford Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 140,
      "start_date": "2010-01",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2013-03-21",
      "last_synced_at": "2026-07-24T01:35:16.473Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01021618"
    },
    {
      "nct_id": "NCT01434641",
      "title": "Rapid Stress/Rest Single-Day Tc-99m Sestamibi Myocardial Single Photon Emission Computed Tomography",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "low-dose stress MPI SPECT",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "St. Luke's-Roosevelt Hospital Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2011-07",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2016-04-11",
      "last_synced_at": "2026-07-24T01:35:16.473Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01434641"
    },
    {
      "nct_id": "NCT00205166",
      "title": "Does Caffeine Affect the Sensitivity of Adenosine Perfusion Scans?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Cardiac SPECT imaging Rest and Stress",
          "type": "PROCEDURE"
        },
        {
          "name": "Caffeine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 50,
      "start_date": "1999-06",
      "completion_date": "2004-12",
      "has_results": false,
      "last_update_posted_date": "2012-10-29",
      "last_synced_at": "2026-07-24T01:35:16.473Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00205166"
    },
    {
      "nct_id": "NCT02589977",
      "title": "Myocardial Perfusion, Oxidative Metabolism, and Fibrosis in HFpEF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure, Diastolic",
        "Diastolic Heart Failure",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "regadenoson",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Marvin W. Kronenberg, M.D.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 55,
      "start_date": "2015-11",
      "completion_date": "2020-01-21",
      "has_results": true,
      "last_update_posted_date": "2021-02-02",
      "last_synced_at": "2026-07-24T01:35:16.473Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02589977"
    },
    {
      "nct_id": "NCT01336140",
      "title": "Attenuation of the Side Effect Profile of Regadenoson: Study With Aminophylline in Patients With Severe Kidney Disease Undergoing Myocardial Perfusion Imaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Patients With Severe Chronic Kidney Disease Being Evaluated With Nuclear Stress Testing of the Heart Using the Stress Agent Regadenoson"
      ],
      "interventions": [
        {
          "name": "Aminophylline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2011-06",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2023-01-26",
      "last_synced_at": "2026-07-24T01:35:16.473Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01336140"
    },
    {
      "nct_id": "NCT00166101",
      "title": "NIRS in Neonatal Cardiac Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypoplastic Left Heart",
        "Surgery"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "1 Year",
        "sex": "ALL",
        "summary": "1 Day to 1 Year"
      },
      "enrollment_count": 25,
      "start_date": "2002-08",
      "completion_date": "2008-08",
      "has_results": false,
      "last_update_posted_date": "2012-11-14",
      "last_synced_at": "2026-07-24T01:35:16.473Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00166101"
    }
  ]
}