{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Beta+blocker+%28carvedilol+or+metoprolol+succinate%29",
    "query": {
      "intervention": "Beta blocker (carvedilol or metoprolol succinate)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Beta+blocker+%28carvedilol+or+metoprolol+succinate%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T09:24:23.064Z",
  "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": "NCT04757584",
      "title": "Pilot Deprescribing N-of-1 Trials for Beta-blockers in HFpEF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure",
        "Heart Failure, Diastolic",
        "Heart Failure With Preserved Ejection Fraction",
        "Cardiac Failure",
        "Heart Disease"
      ],
      "interventions": [
        {
          "name": "Beta blockers",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2021-04-01",
      "completion_date": "2023-04-28",
      "has_results": true,
      "last_update_posted_date": "2024-04-09",
      "last_synced_at": "2026-10-08T09:24:23.064Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04757584"
    },
    {
      "nct_id": "NCT05019027",
      "title": "N-of-1 for Beta-Blockers in Cardiac Amyloidosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cardiac Amyloidosis",
        "Heart Diseases",
        "TTR Cardiac Amyloidosis"
      ],
      "interventions": [
        {
          "name": "Beta blocker",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2024-01-31",
      "completion_date": "2026-06-04",
      "has_results": false,
      "last_update_posted_date": "2026-07-29",
      "last_synced_at": "2026-10-08T09:24:23.064Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05019027"
    },
    {
      "nct_id": "NCT00578617",
      "title": "Ablation vs Drug Therapy for Atrial Fibrillation - Pilot Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Rate Control",
          "type": "DRUG"
        },
        {
          "name": "Ablation Therapy",
          "type": "DEVICE"
        },
        {
          "name": "Rhythm control",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 60,
      "start_date": "2006-09",
      "completion_date": "2010-06",
      "has_results": true,
      "last_update_posted_date": "2013-01-04",
      "last_synced_at": "2026-10-08T09:24:23.064Z",
      "location_count": 10,
      "location_summary": "Birminham, Alabama • Los Angeles, California • Maywood, Illinois + 7 more",
      "locations": [
        {
          "city": "Birminham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Maywood",
          "state": "Illinois"
        },
        {
          "city": "Des Moines",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00578617"
    },
    {
      "nct_id": "NCT05585125",
      "title": "A Preliminary Study for INFORMED",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure",
        "Heart Failure, Diastolic",
        "Heart Failure With Preserved Ejection Fraction",
        "Cardiac Failure",
        "Heart Diseases"
      ],
      "interventions": [
        {
          "name": "Beta blocker",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2024-02-07",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-10-08T09:24:23.064Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05585125"
    },
    {
      "nct_id": "NCT07298993",
      "title": "Deprescribing Beta-Blockers in Elders With Heart Failure With Preserved Ejection Fraction (DEPRESCRIBE-HFpEF)",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure",
        "HFpEF",
        "HFpEF - Heart Failure With Preserved Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Placebo (matching)",
          "type": "DRUG"
        },
        {
          "name": "Beta-blockers",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2026-02-02",
      "completion_date": "2029-04",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-10-08T09:24:23.064Z",
      "location_count": 1,
      "location_summary": "Pleasanton, California",
      "locations": [
        {
          "city": "Pleasanton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07298993"
    },
    {
      "nct_id": "NCT04767061",
      "title": "Impact of Beta-blockers on Physical Function in HFpEF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure",
        "Heart Failure, Diastolic",
        "Heart Failure With Preserved Ejection Fraction",
        "Cardiac Failure",
        "Heart Disease"
      ],
      "interventions": [
        {
          "name": "Beta blockers",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2021-04-01",
      "completion_date": "2023-04-28",
      "has_results": true,
      "last_update_posted_date": "2023-09-08",
      "last_synced_at": "2026-10-08T09:24:23.064Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04767061"
    },
    {
      "nct_id": "NCT04977180",
      "title": "Cardioprotection in AML",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "AML",
        "Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Cardioprotection",
          "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": 70,
      "start_date": "2022-03-04",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-10-08T09:24:23.064Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04977180"
    },
    {
      "nct_id": "NCT00433043",
      "title": "BOAT: Beta Blocker Uptitration With OptiVol After Cardiac Resynchronization Therapy (CRT)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "Beta blocker (carvedilol or metoprolol succinate)",
          "type": "DRUG"
        },
        {
          "name": "CRT (cardiac resynchronization therapy)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "St. Luke's-Roosevelt Hospital 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": 2,
      "start_date": "2007-01",
      "completion_date": "2009-05",
      "has_results": false,
      "last_update_posted_date": "2015-10-30",
      "last_synced_at": "2026-10-08T09:24:23.064Z",
      "location_count": 3,
      "location_summary": "New York, New York • Rochester, New York • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00433043"
    },
    {
      "nct_id": "NCT05931276",
      "title": "CSP #2026 - Beta Blocker Dialyzability on Cardiovascular Outcomes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "End-Stage Kidney Disease",
        "End-Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "Metoprolol Succinate",
          "type": "DRUG"
        },
        {
          "name": "Carvedilol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2540,
      "start_date": "2024-05-22",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-09",
      "last_synced_at": "2026-10-08T09:24:23.064Z",
      "location_count": 8,
      "location_summary": "Long Beach, California • Gainesville, Florida • Decatur, Georgia + 5 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05931276"
    },
    {
      "nct_id": "NCT04467931",
      "title": "ACEI or ARB and COVID-19 Severity and Mortality in US Veterans",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypertension",
        "COVID"
      ],
      "interventions": [
        {
          "name": "ACEI/ARB",
          "type": "DRUG"
        },
        {
          "name": "Non-ACEI/ARB",
          "type": "DRUG"
        },
        {
          "name": "ACEI",
          "type": "DRUG"
        },
        {
          "name": "ARB",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22213,
      "start_date": "2020-01-19",
      "completion_date": "2020-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-04-28",
      "last_synced_at": "2026-10-08T09:24:23.064Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04467931"
    }
  ]
}