{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Metoprolol+100+mg",
    "query": {
      "intervention": "Metoprolol 100 mg"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 33,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Metoprolol+100+mg&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T06:27:23.479Z",
  "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": "NCT00993421",
      "title": "A Weight Loss Study in Overweight Men and Women",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "LY377604",
          "type": "DRUG"
        },
        {
          "name": "Sibutramine",
          "type": "DRUG"
        },
        {
          "name": "Metoprolol",
          "type": "DRUG"
        },
        {
          "name": "Placebo sibutramine",
          "type": "DRUG"
        },
        {
          "name": "Placebo Metoprolol",
          "type": "DRUG"
        },
        {
          "name": "Placebo LY377604",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 343,
      "start_date": "2009-10",
      "completion_date": "2010-06",
      "has_results": true,
      "last_update_posted_date": "2011-06-03",
      "last_synced_at": "2026-09-22T06:27:23.479Z",
      "location_count": 21,
      "location_summary": "Mesa, Arizona • Concord, California • La Jolla, California + 18 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Concord",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Waterbury",
          "state": "Connecticut"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00993421"
    },
    {
      "nct_id": "NCT01324388",
      "title": "A Study of the Effect of LY2189265 on Two Blood Pressure Drugs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "LY2189265",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Metoprolol",
          "type": "DRUG"
        },
        {
          "name": "Lisinopril",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2011-03",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2014-10-08",
      "last_synced_at": "2026-09-22T06:27:23.479Z",
      "location_count": 3,
      "location_summary": "Honolulu, Hawaii • Evansville, Indiana • Dallas, Texas",
      "locations": [
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Evansville",
          "state": "Indiana"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01324388"
    },
    {
      "nct_id": "NCT04049786",
      "title": "Impact of Bariatric Surgery on Pharmacokinetic Study of Simvastatin and Carvedilol",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity",
        "Bariatric Surgery",
        "Roux-en Y Gastric Bypass"
      ],
      "interventions": [
        {
          "name": "Digestive biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Carvedilol 25mg",
          "type": "DRUG"
        },
        {
          "name": "Serial blood sampling for PK analysis",
          "type": "PROCEDURE"
        },
        {
          "name": "Metoprolol 100 mg for CYP2D6 phenotyping",
          "type": "DRUG"
        },
        {
          "name": "Simvastatin 40mg",
          "type": "DRUG"
        },
        {
          "name": "Midazolam 2 mg for CYP3A4 phenotyping",
          "type": "DRUG"
        },
        {
          "name": "Genotyping",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Natalia Valadares de Moraes",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 120,
      "start_date": "2019-06-01",
      "completion_date": "2023-08",
      "has_results": false,
      "last_update_posted_date": "2022-02-08",
      "last_synced_at": "2026-09-22T06:27:23.479Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04049786"
    },
    {
      "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": "2026-09-22T06:27:23.479Z",
      "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": "NCT00649116",
      "title": "Fed Study of Metoprolol Tartrate Tablets 100 mg and Lopressor® 100 mg",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Metoprolol Tartrate Tablets 100 mg",
          "type": "DRUG"
        },
        {
          "name": "Lopressor® Tablets 100 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mylan Pharmaceuticals Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2002-12",
      "completion_date": "2003-01",
      "has_results": false,
      "last_update_posted_date": "2024-04-23",
      "last_synced_at": "2026-09-22T06:27:23.479Z",
      "location_count": 1,
      "location_summary": "Morgantown, West Virginia",
      "locations": [
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00649116"
    },
    {
      "nct_id": "NCT03556592",
      "title": "Drug-drug Interaction Trial With Tralokinumab in Moderate to Severe Atopic Dermatitis - ECZTRA 4",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Atopic Dermatitis"
      ],
      "interventions": [
        {
          "name": "Tralokinumab",
          "type": "DRUG"
        },
        {
          "name": "Caffeine",
          "type": "DRUG"
        },
        {
          "name": "Warfarin",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "type": "DRUG"
        },
        {
          "name": "Metoprolol",
          "type": "DRUG"
        },
        {
          "name": "Midazolam Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "LEO Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2018-08-13",
      "completion_date": "2020-06-20",
      "has_results": false,
      "last_update_posted_date": "2025-02-24",
      "last_synced_at": "2026-09-22T06:27:23.479Z",
      "location_count": 9,
      "location_summary": "Little Rock, Arkansas • Rogers, Arkansas • San Diego, California + 5 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Doral",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03556592"
    },
    {
      "nct_id": "NCT00223717",
      "title": "Treatment of Supine Hypertension in Autonomic Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Clonidine",
          "type": "DRUG"
        },
        {
          "name": "Nitroglycerin transdermal",
          "type": "DRUG"
        },
        {
          "name": "Dipyridamole/ Aspirin (Aggrenox)",
          "type": "DRUG"
        },
        {
          "name": "Desmopressin (DDAVP)",
          "type": "DRUG"
        },
        {
          "name": "Sildenafil",
          "type": "DRUG"
        },
        {
          "name": "Nifedipine",
          "type": "DRUG"
        },
        {
          "name": "Hydralazine",
          "type": "DRUG"
        },
        {
          "name": "Hydrochlorothiazide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Bosentan",
          "type": "DRUG"
        },
        {
          "name": "Diltiazem",
          "type": "DRUG"
        },
        {
          "name": "Eplerenone",
          "type": "DRUG"
        },
        {
          "name": "guanfacine",
          "type": "DRUG"
        },
        {
          "name": "L-arginine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "captopril",
          "type": "DRUG"
        },
        {
          "name": "carbidopa",
          "type": "DRUG"
        },
        {
          "name": "losartan",
          "type": "DRUG"
        },
        {
          "name": "metoprolol tartrate",
          "type": "DRUG"
        },
        {
          "name": "nebivolol hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "prazosin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "tamsulosin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Head-up tilt.",
          "type": "OTHER"
        },
        {
          "name": "aliskiren",
          "type": "DRUG"
        },
        {
          "name": "Local heat stress",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Vanderbilt University",
      "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": 152,
      "start_date": "2001-01",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2017-10-13",
      "last_synced_at": "2026-09-22T06:27:23.479Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00223717"
    },
    {
      "nct_id": "NCT00999102",
      "title": "Nebivolol Versus Metoprolol: Comparative Effects on Fatigue and Quality of Life",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Metoprolol",
          "type": "DRUG"
        },
        {
          "name": "Nebivolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell 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": 37,
      "start_date": "2009-10",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2018-10-19",
      "last_synced_at": "2026-09-22T06:27:23.479Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00999102"
    },
    {
      "nct_id": "NCT00649688",
      "title": "Fasting Study of Metoprolol Tartrate/Hydrochlorothiazide Tablets 100/50 mg and Lopressor HCT® Tablets 100/50 mg",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Metoprolol Tartrate/Hydrochlorothiazide Tablets 100/50 mg",
          "type": "DRUG"
        },
        {
          "name": "Lopressor HCT® Tablets 100/50 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mylan Pharmaceuticals Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2003-01",
      "completion_date": "2003-02",
      "has_results": false,
      "last_update_posted_date": "2024-04-24",
      "last_synced_at": "2026-09-22T06:27:23.479Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00649688"
    },
    {
      "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": "2026-09-22T06:27:23.479Z",
      "location_count": 1,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01902550"
    }
  ]
}