{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=metoprolol",
    "query": {
      "intervention": "metoprolol"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 145,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=metoprolol&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T05:11:55.514Z",
  "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": "NCT03635125",
      "title": "Efficacy and Safety of Nebivolol Versus Metoprolol in Hypertensive Subject Taking Amlodipine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "JNC 7 Stage 1 or 2 Hypertension"
      ],
      "interventions": [
        {
          "name": "Nebivolol I",
          "type": "DRUG"
        },
        {
          "name": "Nebivolol II",
          "type": "DRUG"
        },
        {
          "name": "Baseline Washout Phase",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Trinity Hypertension & Metabolic Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2010-08-30",
      "completion_date": "2011-07-18",
      "has_results": false,
      "last_update_posted_date": "2018-08-20",
      "last_synced_at": "2026-09-03T05:11:55.514Z",
      "location_count": 1,
      "location_summary": "Carrollton, Texas",
      "locations": [
        {
          "city": "Carrollton",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03635125"
    },
    {
      "nct_id": "NCT00060918",
      "title": "Glycemic Control Of Carvedilol Versus Metoprolol In Patients With Type II Diabetes Mellitus And Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "carvedilol",
          "type": "DRUG"
        },
        {
          "name": "metoprolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 1210,
      "start_date": "2001-06",
      "completion_date": "2004-04",
      "has_results": false,
      "last_update_posted_date": "2015-04-15",
      "last_synced_at": "2026-09-03T05:11:55.514Z",
      "location_count": 50,
      "location_summary": "Glendale, Arizona • Phoenix, Arizona • Tucson, Arizona + 43 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Burlingame",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00060918"
    },
    {
      "nct_id": "NCT00642434",
      "title": "Comparison of Blood Pressure Medications on Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "carvedilol",
          "type": "DRUG"
        },
        {
          "name": "metoprolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "45 Years to 85 Years"
      },
      "enrollment_count": 22,
      "start_date": "2004-01",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2023-12-26",
      "last_synced_at": "2026-09-03T05:11:55.514Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00642434"
    },
    {
      "nct_id": "NCT01902550",
      "title": "A Crossover Study to Evaluate the Effect of JNJ-54452840 on Pharmacodynamics of Metoprolol Tartrate Immediate-Release in Healthy Participants",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Metoprolol tartrate immediate-release (metoprolol IR)",
          "type": "DRUG"
        },
        {
          "name": "JNJ-54452840",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2013-07",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2016-11-01",
      "last_synced_at": "2026-09-03T05:11:55.514Z",
      "location_count": 1,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01902550"
    },
    {
      "nct_id": "NCT00992056",
      "title": "Nebivolol Versus Metoprolol: Sodium Sensitivity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "nebivolol",
          "type": "DRUG"
        },
        {
          "name": "Metoprolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "46 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "46 Years and older · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2010-12",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2017-06-08",
      "last_synced_at": "2026-09-03T05:11:55.514Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00992056"
    },
    {
      "nct_id": "NCT04254783",
      "title": "A Study to Evaluate the Effect of Intravenous (IV) Infusions of Risankizumab on Pharmacokinetics of Cytochome P450 Substrates in Adult Participants With Moderately to Severely Active Ulcerative Colitis or Crohn's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Ulcerative Colitis (UC)",
        "Crohn's Disease"
      ],
      "interventions": [
        {
          "name": "Risankizumab",
          "type": "DRUG"
        },
        {
          "name": "Cytochrome P450 (CYP) Substrates",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 20,
      "start_date": "2020-05-27",
      "completion_date": "2022-10-14",
      "has_results": false,
      "last_update_posted_date": "2024-07-01",
      "last_synced_at": "2026-09-03T05:11:55.514Z",
      "location_count": 4,
      "location_summary": "Coronado, California • DeLand, Florida • Margate, Florida + 1 more",
      "locations": [
        {
          "city": "Coronado",
          "state": "California"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Margate",
          "state": "Florida"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04254783"
    },
    {
      "nct_id": "NCT00806390",
      "title": "Prevention of Anthracycline or Trastuzumab Induced Cardiomyopathy by Metoprolol",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "Metoprolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2008-07",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2022-02-25",
      "last_synced_at": "2026-09-03T05:11:55.514Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00806390"
    },
    {
      "nct_id": "NCT00547300",
      "title": "Study to Evaluate Symptoms in Patients Treated With Nebivolol or Metoprolol Extended-release (ER) for Hypertension",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Metoprolol ER",
          "type": "DRUG"
        },
        {
          "name": "Nebivolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 49,
      "start_date": "2007-10-31",
      "completion_date": "2008-01-02",
      "has_results": true,
      "last_update_posted_date": "2019-05-21",
      "last_synced_at": "2026-09-03T05:11:55.514Z",
      "location_count": 24,
      "location_summary": "Birmingham, Alabama • Beverly Hills, California • Encinitas, California + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Roseville",
          "state": "California"
        },
        {
          "city": "Tustin",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00547300"
    },
    {
      "nct_id": "NCT01052428",
      "title": "Molecular Mechanisms of Volume Overload-Aim 1(SCCOR in Cardiac Dysfunction and Disease)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Mitral Regurgitation"
      ],
      "interventions": [
        {
          "name": "metoprolol succinate (Toprol XL)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "19 Years to 70 Years"
      },
      "enrollment_count": 38,
      "start_date": "2004-08",
      "completion_date": "2010-07",
      "has_results": true,
      "last_update_posted_date": "2012-11-22",
      "last_synced_at": "2026-09-03T05:11:55.514Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01052428"
    },
    {
      "nct_id": "NCT00563238",
      "title": "Beta-blocker Before Extubation",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myocardial Ischemia"
      ],
      "interventions": [
        {
          "name": "Metoprolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gregory A. Schmidt",
      "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": 0,
      "start_date": "2007-11",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2017-02-28",
      "last_synced_at": "2026-09-03T05:11:55.514Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00563238"
    }
  ]
}