{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Metoprolol+Tartrate&page=6", "query": { "intervention": "Metoprolol Tartrate", "page": 6 }, "page_size": 10 }, "pagination": { "page": 6, "page_size": 10, "total_count": 146, "total_pages": 15, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Metoprolol+Tartrate&page=7&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Metoprolol+Tartrate&page=5&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-10T06:08:12.038Z", "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": "NCT04425902", "title": "Evaluation of Pharmacokinetic Interaction Between GSK3640254 and Caffeine, Metoprolol, Montelukast, Flurbiprofen, Omeprazole, Midazolam, Digoxin, and Pravastatin in Healthy Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "HIV Infections" ], "interventions": [ { "name": "GSK3640254 200 mg", "type": "DRUG" }, { "name": "Caffeine 200 mg", "type": "DRUG" }, { "name": "Metoprolol 100 mg", "type": "DRUG" }, { "name": "Montelukast 10 mg", "type": "DRUG" }, { "name": "Flurbiprofen 100 mg", "type": "DRUG" }, { "name": "Omeprazole 40 mg", "type": "DRUG" }, { "name": "Midazolam 5 mg (2.5 mL)", "type": "DRUG" }, { "name": "Digoxin 0.25 mg", "type": "DRUG" }, { "name": "Pravastatin 40 mg", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "ViiV Healthcare", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "50 Years", "sex": "ALL", "summary": "18 Years to 50 Years" }, "enrollment_count": 20, "start_date": "2020-12-16", "completion_date": "2021-03-10", "has_results": true, "last_update_posted_date": "2024-01-05", "last_synced_at": "2026-10-10T06:08:12.038Z", "location_count": 1, "location_summary": "Las Vegas, Nevada", "locations": [ { "city": "Las Vegas", "state": "Nevada" } ], "official_url": "https://clinicaltrials.gov/study/NCT04425902" }, { "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": "2026-10-10T06:08:12.038Z", "location_count": 1, "location_summary": "Baltimore, Maryland", "locations": [ { "city": "Baltimore", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT00241904" }, { "nct_id": "NCT01970501", "title": "Genetically Targeted Therapy for the Prevention of Symptomatic Atrial Fibrillation in Patients With Heart Failure", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Current or Recent History of Atrial Fibrillation" ], "interventions": [ { "name": "bucindolol hydrochloride", "type": "DRUG" }, { "name": "metoprolol succinate", "type": "DRUG" }, { "name": "Placebo oral capsule", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "ARCA Biopharma, Inc.", "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": 267, "start_date": "2014-04", "completion_date": "2017-12-28", "has_results": true, "last_update_posted_date": "2022-09-26", "last_synced_at": "2026-10-10T06:08:12.038Z", "location_count": 48, "location_summary": "Anchorage, Alaska • Phoenix, Arizona • East Palo Alto, California + 43 more", "locations": [ { "city": "Anchorage", "state": "Alaska" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "East Palo Alto", "state": "California" }, { "city": "Loma Linda", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01970501" }, { "nct_id": "NCT01502787", "title": "Comparison of Nebivolol and Metoprolol With Exercise and Angiotensin II in Hypertensive Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Hypertension" ], "interventions": [ { "name": "Metoprolol succinate", "type": "DRUG" }, { "name": "Nebivolol", "type": "DRUG" }, { "name": "Forearm blood flow", "type": "PROCEDURE" }, { "name": "Microneurography", "type": "PROCEDURE" }, { "name": "Rhythmic handgrip exercise", "type": "PROCEDURE" }, { "name": "Lower body negative pressure", "type": "PROCEDURE" }, { "name": "Angiotensin II", "type": "DRUG" } ], "intervention_types": [ "DRUG", "PROCEDURE" ], "sponsor": "University of Texas Southwestern Medical Center", "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": 46, "start_date": "2009-04", "completion_date": "2013-06", "has_results": true, "last_update_posted_date": "2020-07-07", "last_synced_at": "2026-10-10T06:08:12.038Z", "location_count": 1, "location_summary": "Dallas, Texas", "locations": [ { "city": "Dallas", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01502787" }, { "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": "2026-10-10T06:08:12.038Z", "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": "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": "2026-10-10T06:08:12.038Z", "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": "NCT00142584", "title": "Evaluation of the Long-term Safety and Tolerability of Metoprolol Versus Nebivolol in Patients With Hypertension", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Hypertension" ], "interventions": [ { "name": "Nebivolol (NEB)", "type": "DRUG" }, { "name": "Metoprolol (MET)", "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": 336, "start_date": "2005-08", "completion_date": "2008-03", "has_results": true, "last_update_posted_date": "2022-03-15", "last_synced_at": "2026-10-10T06:08:12.038Z", "location_count": 1, "location_summary": "Morgantown, West Virginia", "locations": [ { "city": "Morgantown", "state": "West Virginia" } ], "official_url": "https://clinicaltrials.gov/study/NCT00142584" }, { "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": "2026-10-10T06:08:12.038Z", "location_count": 1, "location_summary": "Morgantown, West Virginia", "locations": [ { "city": "Morgantown", "state": "West Virginia" } ], "official_url": "https://clinicaltrials.gov/study/NCT00648271" }, { "nct_id": "NCT03070184", "title": "Race, Natriuretic Peptides and Physiological Perturbations", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Healthy", "Pre Hypertension" ], "interventions": [ { "name": "Exercise capacity VO2 max determination", "type": "OTHER" }, { "name": "Standardized meals", "type": "DIETARY_SUPPLEMENT" }, { "name": "Exercise challenge", "type": "OTHER" }, { "name": "Metoprolol Succinate ER", "type": "DRUG" } ], "intervention_types": [ "OTHER", "DIETARY_SUPPLEMENT", "DRUG" ], "sponsor": "University of Alabama at Birmingham", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "40 Years", "sex": "ALL", "summary": "18 Years to 40 Years" }, "enrollment_count": 80, "start_date": "2017-04-30", "completion_date": "2024-04-30", "has_results": true, "last_update_posted_date": "2025-03-12", "last_synced_at": "2026-10-10T06:08:12.038Z", "location_count": 1, "location_summary": "Birmingham, Alabama", "locations": [ { "city": "Birmingham", "state": "Alabama" } ], "official_url": "https://clinicaltrials.gov/study/NCT03070184" }, { "nct_id": "NCT03457597", "title": "Study in Healthy Subjects to Determine the Effect of Relacorilant on Exposure to Probe Substrates for Cytochrome P450s", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Healthy" ], "interventions": [ { "name": "Midazolam hydrochloride", "type": "DRUG" }, { "name": "Metoprolol tartrate", "type": "DRUG" }, { "name": "Pioglitazone hydrochloride", "type": "DRUG" }, { "name": "Tolbutamide", "type": "DRUG" }, { "name": "Omeprazole", "type": "DRUG" }, { "name": "Relacorilant", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Corcept Therapeutics", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 27, "start_date": "2018-03-06", "completion_date": "2018-04-28", "has_results": false, "last_update_posted_date": "2018-05-17", "last_synced_at": "2026-10-10T06:08:12.038Z", "location_count": 1, "location_summary": "Tempe, Arizona", "locations": [ { "city": "Tempe", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT03457597" } ] }