{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Metoprolol+Tartrate+Tablets+25+mg",
    "query": {
      "intervention": "Metoprolol Tartrate Tablets 25 mg"
    },
    "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": "2026-10-06T21:37:50.272Z",
  "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": "NCT00849810",
      "title": "Comparing the Effects of Two Beta Blockers,Metoprolol and Nebivolol,on Ambulatory Blood Pressure and Basal Metabolic Rate",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Metoprolol",
          "type": "DRUG"
        },
        {
          "name": "Nebivolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Mississippi Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2009-01",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2013-03-19",
      "last_synced_at": "2026-10-06T21:37:50.272Z",
      "location_count": 1,
      "location_summary": "Jackson, Mississippi",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00849810"
    },
    {
      "nct_id": "NCT00744237",
      "title": "Study of the Glycemic Effects of Nebivolol Compared With Metoprolol and HCTZ in Diabetic Hypertensive Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension",
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Nebivolol",
          "type": "DRUG"
        },
        {
          "name": "Metoprolol ER",
          "type": "DRUG"
        },
        {
          "name": "HCTZ",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 231,
      "start_date": "2008-08",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2011-07-29",
      "last_synced_at": "2026-10-06T21:37:50.272Z",
      "location_count": 62,
      "location_summary": "Athens, Alabama • Huntsville, Alabama • Bell Gardens, California + 54 more",
      "locations": [
        {
          "city": "Athens",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Bell Gardens",
          "state": "California"
        },
        {
          "city": "Buena Park",
          "state": "California"
        },
        {
          "city": "Chino",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00744237"
    },
    {
      "nct_id": "NCT03008382",
      "title": "Interstitial Cystitis: Examination of the Central Autonomic Network",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Interstitial Cystitis/Painful Bladder Syndrome",
        "Myofascial Pelvic Pain"
      ],
      "interventions": [
        {
          "name": "Metoprolol Tartrate Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "No intervention- observational sub-study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 72,
      "start_date": "2017-03-01",
      "completion_date": "2022-03-16",
      "has_results": true,
      "last_update_posted_date": "2025-02-17",
      "last_synced_at": "2026-10-06T21:37:50.272Z",
      "location_count": 2,
      "location_summary": "Evanston, Illinois • Richmond, Virginia",
      "locations": [
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03008382"
    },
    {
      "nct_id": "NCT00648271",
      "title": "Fed Study of Metoprolol Tartrate Tablets 25 mg and Lopressor® 50 mg",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Metoprolol Tartrate Tablets 25 mg",
          "type": "DRUG"
        },
        {
          "name": "Lopressor® Tablets 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": 19,
      "start_date": "2002-12",
      "completion_date": "2003-01",
      "has_results": false,
      "last_update_posted_date": "2024-04-23",
      "last_synced_at": "2026-10-06T21:37:50.272Z",
      "location_count": 1,
      "location_summary": "Morgantown, West Virginia",
      "locations": [
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00648271"
    },
    {
      "nct_id": "NCT00661895",
      "title": "Black Education and Treatment of Hypertension (BEAT HTN)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Hydrochlorothiazide",
          "type": "DRUG"
        },
        {
          "name": "Lisinopril",
          "type": "DRUG"
        },
        {
          "name": "Lisinopril and Hydrochlorothiazide",
          "type": "DRUG"
        },
        {
          "name": "Nifedipine XL",
          "type": "DRUG"
        },
        {
          "name": "Metoprolol tartrate",
          "type": "DRUG"
        },
        {
          "name": "Atenolol",
          "type": "DRUG"
        },
        {
          "name": "Valsartan",
          "type": "DRUG"
        },
        {
          "name": "Doxazosin",
          "type": "DRUG"
        },
        {
          "name": "Clonidine",
          "type": "DRUG"
        },
        {
          "name": "Hydralazine",
          "type": "DRUG"
        },
        {
          "name": "Metoprolol succinate",
          "type": "DRUG"
        },
        {
          "name": "Amlodipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Creighton University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "25 Years to 80 Years"
      },
      "enrollment_count": 99,
      "start_date": "2005-08",
      "completion_date": "2009-11",
      "has_results": true,
      "last_update_posted_date": "2012-12-04",
      "last_synced_at": "2026-10-06T21:37:50.272Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00661895"
    }
  ]
}