{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Beta+adrenergic+blockers&page=6",
    "query": {
      "intervention": "Beta adrenergic blockers",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 211,
    "total_pages": 22,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Beta+adrenergic+blockers&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Beta+adrenergic+blockers&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-12T15:39:36.725Z",
  "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": "NCT05174351",
      "title": "Beta-blocker Discontinuation in Heart Failure With Preserved Ejection Fraction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure With Preserved Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "beta blocker discontinuation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 30,
      "start_date": "2021-12-20",
      "completion_date": "2027-11-01",
      "has_results": false,
      "last_update_posted_date": "2025-09-29",
      "last_synced_at": "2026-10-12T15:39:36.725Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05174351"
    },
    {
      "nct_id": "NCT06183437",
      "title": "The STOP-MED CTRCD Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure",
        "Cardiotoxicity",
        "Cardiac Toxicity",
        "Antineoplastics Toxicity",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Stopping Heart Failure Medication(s)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dinesh Thavendiranathan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 335,
      "start_date": "2024-03-04",
      "completion_date": "2031-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-10-12T15:39:36.725Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Boston, Massachusetts",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06183437"
    },
    {
      "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": "2026-10-12T15:39:36.725Z",
      "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": "NCT00429364",
      "title": "Comparison of Two Medications Aimed at Slowing Aortic Root Enlargement in Individuals With Marfan Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Marfan Syndrome"
      ],
      "interventions": [
        {
          "name": "Losartan Potassium",
          "type": "DRUG"
        },
        {
          "name": "Atenolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Carelon Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "6 Months to 25 Years"
      },
      "enrollment_count": 608,
      "start_date": "2007-01",
      "completion_date": "2014-02",
      "has_results": true,
      "last_update_posted_date": "2025-03-07",
      "last_synced_at": "2026-10-12T15:39:36.725Z",
      "location_count": 24,
      "location_summary": "Los Angeles, California • Palo Alto, California • San Diego, California + 18 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00429364"
    },
    {
      "nct_id": "NCT00200434",
      "title": "A Study of the Efficacy and Safety of Nebivolol Added to Existing Antihypertensive Treatment in Patients With Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Nebivolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mylan Bertek Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2002-10",
      "completion_date": "2003-10",
      "has_results": false,
      "last_update_posted_date": "2005-09-20",
      "last_synced_at": "2026-10-12T15:39:36.725Z",
      "location_count": 1,
      "location_summary": "Morgantown, West Virginia",
      "locations": [
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00200434"
    },
    {
      "nct_id": "NCT00582114",
      "title": "Hypertension in Hemodialysis Patients (Aim 3)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hemodialysis",
        "Hypertension",
        "Left Ventricular Hypertrophy"
      ],
      "interventions": [
        {
          "name": "Lisinopril",
          "type": "DRUG"
        },
        {
          "name": "Atenolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2005-08",
      "completion_date": "2013-09",
      "has_results": true,
      "last_update_posted_date": "2016-01-18",
      "last_synced_at": "2026-10-12T15:39:36.725Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00582114"
    },
    {
      "nct_id": "NCT00123604",
      "title": "Vascular Effects of Carvedilol Versus Metoprolol in Hypertensive Patients With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension",
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Carvedilol",
          "type": "DRUG"
        },
        {
          "name": "Metoprolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Paul Heart Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 36,
      "start_date": "2004-06",
      "completion_date": "2006-06",
      "has_results": true,
      "last_update_posted_date": "2014-11-18",
      "last_synced_at": "2026-10-12T15:39:36.725Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00123604"
    },
    {
      "nct_id": "NCT03138603",
      "title": "Metoprolol to Reduce Perioperative Myocardial Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Heart Diseases"
      ],
      "interventions": [
        {
          "name": "Metoprolol Tartrate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2016-12",
      "completion_date": "2023-08-29",
      "has_results": true,
      "last_update_posted_date": "2026-01-28",
      "last_synced_at": "2026-10-12T15:39:36.725Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • St Louis, Missouri",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03138603"
    },
    {
      "nct_id": "NCT01206062",
      "title": "Systolic Blood Pressure Intervention Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Intensive control of SBP",
          "type": "DRUG"
        },
        {
          "name": "Standard control of SBP",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 9361,
      "start_date": "2010-10",
      "completion_date": "2019-03",
      "has_results": true,
      "last_update_posted_date": "2021-01-08",
      "last_synced_at": "2026-10-12T15:39:36.725Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01206062"
    },
    {
      "nct_id": "NCT00241904",
      "title": "Reducing Total Cardiovascular Risk in an Urban Community",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Heart Diseases",
        "Coronary Disease",
        "Diabetes Mellitus",
        "Atherosclerosis",
        "Cerebral Arteriosclerosis",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Lifestyle Changes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Antiplatelet Agents",
          "type": "DRUG"
        },
        {
          "name": "Beta Blocker",
          "type": "DRUG"
        },
        {
          "name": "ACE Inhibitors",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 525,
      "start_date": "2006-05",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2017-09-15",
      "last_synced_at": "2026-10-12T15:39:36.725Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00241904"
    }
  ]
}