{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Coronary+Microcirculation",
    "query": {
      "condition": "Coronary Microcirculation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T19:20:52.515Z",
  "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": "NCT01815957",
      "title": "Impact of Ranolazine on Coronary Microcirculatory Resistance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Microcirculation",
        "Coronary Artery Disease",
        "Myocardial Disease",
        "Ischemia"
      ],
      "interventions": [
        {
          "name": "Rnalozine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2012-05",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2023-12-26",
      "last_synced_at": "2026-06-26T19:20:52.515Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01815957"
    },
    {
      "nct_id": "NCT07184476",
      "title": "Assessment of Microvascular Circulation in the Pediatric Cardiac Surgery Patient",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tetrology of Fallot"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "1 Day to 17 Years"
      },
      "enrollment_count": 40,
      "start_date": "2026-03-18",
      "completion_date": "2027-03-17",
      "has_results": false,
      "last_update_posted_date": "2026-05-28",
      "last_synced_at": "2026-06-26T19:20:52.515Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07184476"
    },
    {
      "nct_id": "NCT03021577",
      "title": "Comparison of Orbital Versus Rotational Atherectomy Effects On Coronary Microcirculation in PCI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease (CAD)"
      ],
      "interventions": [
        {
          "name": "Orbital Atherectomy System (OAS)",
          "type": "DEVICE"
        },
        {
          "name": "Rotablator Rotational Atherectomy System",
          "type": "DEVICE"
        },
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2017-01-25",
      "completion_date": "2019-03-16",
      "has_results": true,
      "last_update_posted_date": "2025-08-06",
      "last_synced_at": "2026-06-26T19:20:52.515Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03021577"
    },
    {
      "nct_id": "NCT05102734",
      "title": "Physiologic Effect of Topical Nitroglycerin on Microcirculation Capacity in Patients With Circulatory Shock.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Circulatory Shock",
        "Cardiovascular Shock"
      ],
      "interventions": [
        {
          "name": "Nitroglycerin Topical Product",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 44,
      "start_date": "2021-09-01",
      "completion_date": "2022-03-01",
      "has_results": true,
      "last_update_posted_date": "2024-04-01",
      "last_synced_at": "2026-06-26T19:20:52.515Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05102734"
    },
    {
      "nct_id": "NCT04828681",
      "title": "Angio-IMR and Cardiac MR-derived MVO in STEMI Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ST-segment Elevation Myocardial Infarction (STEMI)"
      ],
      "interventions": [
        {
          "name": "Cardiac magnetic resonance imaging",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Samsung Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 324,
      "start_date": "2007-12-24",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-14",
      "last_synced_at": "2026-06-26T19:20:52.515Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04828681"
    }
  ]
}