{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=labetalol&page=2", "query": { "intervention": "labetalol", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 42, "total_pages": 5, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=labetalol&page=3&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=labetalol&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-02T01:33:36.553Z", "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": "NCT03511118", "title": "Pharmacokinetics and Safety of Commonly Used Drugs in Lactating Women and Breastfed Infants", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Lactating Women on Select DOI", "Breastfed Infants of Mothers on Select DOI" ], "interventions": [ { "name": "Tranexamic acid (TXA)", "type": "DRUG" }, { "name": "labetalol", "type": "DRUG" }, { "name": "metformin", "type": "DRUG" }, { "name": "nifedipine", "type": "DRUG" }, { "name": "clindamycin", "type": "DRUG" }, { "name": "oxycodone", "type": "DRUG" }, { "name": "azithromycin", "type": "DRUG" }, { "name": "escitalopram", "type": "DRUG" }, { "name": "sertraline", "type": "DRUG" }, { "name": "ondansetron", "type": "DRUG" }, { "name": "Ciprofloxacin", "type": "DRUG" }, { "name": "Doxycycline", "type": "DRUG" }, { "name": "Levofloxacin", "type": "DRUG" }, { "name": "Methylphenidate", "type": "DRUG" }, { "name": "Sumatriptan", "type": "DRUG" }, { "name": "Citalopram", "type": "DRUG" }, { "name": "Cyclobenzaprine", "type": "DRUG" }, { "name": "Furosemide", "type": "DRUG" }, { "name": "Gabapentin", "type": "DRUG" }, { "name": "Hydrochlorothiazide", "type": "DRUG" }, { "name": "Hydroxyurea", "type": "DRUG" }, { "name": "Rosuvastatin", "type": "DRUG" }, { "name": "Topiramate", "type": "DRUG" }, { "name": "Trazodone", "type": "DRUG" }, { "name": "Valganciclovir", "type": "DRUG" }, { "name": "Venlafaxine", "type": "DRUG" }, { "name": "Verapamil", "type": "DRUG" }, { "name": "Remdesivir", "type": "DRUG" }, { "name": "Anakinra", "type": "DRUG" }, { "name": "Tocilizumab", "type": "DRUG" }, { "name": "Fluvoxamine", "type": "DRUG" }, { "name": "Amoxicillin", "type": "DRUG" }, { "name": "Bupropion", "type": "DRUG" }, { "name": "Duloxetine", "type": "DRUG" }, { "name": "Hydrocodone", "type": "DRUG" }, { "name": "Levetiracetam", "type": "DRUG" }, { "name": "Paroxetine", "type": "DRUG" }, { "name": "Buprenorphine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Duke University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "ALL", "summary": "Not listed" }, "enrollment_count": 1600, "start_date": "2018-10-04", "completion_date": "2028-07-31", "has_results": false, "last_update_posted_date": "2026-07-29", "last_synced_at": "2026-10-02T01:33:36.553Z", "location_count": 20, "location_summary": "La Jolla, California • Loma Linda, California • Chicago, Illinois + 15 more", "locations": [ { "city": "La Jolla", "state": "California" }, { "city": "Loma Linda", "state": "California" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Indianapolis", "state": "Indiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT03511118" }, { "nct_id": "NCT05989581", "title": "Chronic Hypertension and Pregnancy 2 (CHAP2) Pilot Project", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Hypertension in Pregnancy" ], "interventions": [ { "name": "Labetalol or Nifedipine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Alabama at Birmingham", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "14 Years", "maximum_age": "89 Years", "sex": "FEMALE", "summary": "14 Years to 89 Years · Female only" }, "enrollment_count": 74, "start_date": "2024-04-24", "completion_date": "2026-12-31", "has_results": false, "last_update_posted_date": "2026-08-11", "last_synced_at": "2026-10-02T01:33:36.553Z", "location_count": 1, "location_summary": "Birmingham, Alabama", "locations": [ { "city": "Birmingham", "state": "Alabama" } ], "official_url": "https://clinicaltrials.gov/study/NCT05989581" }, { "nct_id": "NCT04755764", "title": "Effect of Labetalol, Atenolol, and Nifedipine on Maternal Hemodynamics Measured by ICG in Early Pregnancy", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Systolic Hypertension", "Pregnancy Related", "Diastolic Hypertension", "Cardiac Output, Low", "Cardiac Output, High" ], "interventions": [ { "name": "Labetalol", "type": "DRUG" }, { "name": "Atenolol", "type": "DRUG" }, { "name": "Nifedipine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Marshall University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "45 Years", "sex": "FEMALE", "summary": "18 Years to 45 Years · Female only" }, "enrollment_count": 60, "start_date": "2021-03-03", "completion_date": "2025-12", "has_results": false, "last_update_posted_date": "2025-05-13", "last_synced_at": "2026-10-02T01:33:36.553Z", "location_count": 1, "location_summary": "Huntington, West Virginia", "locations": [ { "city": "Huntington", "state": "West Virginia" } ], "official_url": "https://clinicaltrials.gov/study/NCT04755764" }, { "nct_id": "NCT05139238", "title": "Postpartum Hypertension Study", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Postpartum Pregnancy-Induced Hypertension", "Postpartum Preeclampsia", "Pregnancy-Induced Hypertension in Postpartum", "Hypertensive Emergency" ], "interventions": [ { "name": "Labetalol", "type": "DRUG" }, { "name": "Nifedipine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Columbia University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "FEMALE", "summary": "18 Years and older · Female only" }, "enrollment_count": 2, "start_date": "2022-07-04", "completion_date": "2025-08-21", "has_results": true, "last_update_posted_date": "2026-05-06", "last_synced_at": "2026-10-02T01:33:36.553Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT05139238" }, { "nct_id": "NCT04767061", "title": "Impact of Beta-blockers on Physical Function in HFpEF", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Heart Failure", "Heart Failure, Diastolic", "Heart Failure With Preserved Ejection Fraction", "Cardiac Failure", "Heart Disease" ], "interventions": [ { "name": "Beta blockers", "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": 9, "start_date": "2021-04-01", "completion_date": "2023-04-28", "has_results": true, "last_update_posted_date": "2023-09-08", "last_synced_at": "2026-10-02T01:33:36.553Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT04767061" }, { "nct_id": "NCT04298034", "title": "Preeclampsia Postpartum Antihypertensive Treatment", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Preeclampsia", "Hypertension in Pregnancy" ], "interventions": [ { "name": "Labetalol, Nifedipine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Medical College of Wisconsin", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "FEMALE", "summary": "18 Years and older · Female only" }, "enrollment_count": 300, "start_date": "2020-07-17", "completion_date": "2026-09-30", "has_results": false, "last_update_posted_date": "2026-07-20", "last_synced_at": "2026-10-02T01:33:36.553Z", "location_count": 1, "location_summary": "Milwaukee, Wisconsin", "locations": [ { "city": "Milwaukee", "state": "Wisconsin" } ], "official_url": "https://clinicaltrials.gov/study/NCT04298034" }, { "nct_id": "NCT00194974", "title": "Treatment Targets for Chronic Hypertension in Pregnancy", "overall_status": "WITHDRAWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Pregnancy Toxemia", "Hypertension", "Proteinuria" ], "interventions": [ { "name": "methyldopa", "type": "DRUG" }, { "name": "labetalol", "type": "DRUG" }, { "name": "nifedipine", "type": "DRUG" }, { "name": "clonidine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Weill Medical College of Cornell University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "50 Years", "sex": "FEMALE", "summary": "18 Years to 50 Years · Female only" }, "enrollment_count": 0, "start_date": "2004-07", "completion_date": "2005-03", "has_results": false, "last_update_posted_date": "2017-01-30", "last_synced_at": "2026-10-02T01:33:36.553Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT00194974" }, { "nct_id": "NCT03506724", "title": "Response to Anti-hypertensives in Pregnant and Postpartum Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Hypertension in Pregnancy", "Preeclampsia" ], "interventions": [ { "name": "Nifedipine", "type": "DRUG" }, { "name": "Labetalol", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Icahn School of Medicine at Mount Sinai", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "55 Years", "sex": "FEMALE", "summary": "18 Years to 55 Years · Female only" }, "enrollment_count": 109, "start_date": "2017-09-11", "completion_date": "2019-04-05", "has_results": true, "last_update_posted_date": "2021-05-24", "last_synced_at": "2026-10-02T01:33:36.553Z", "location_count": 2, "location_summary": "Brooklyn, New York • New York, New York", "locations": [ { "city": "Brooklyn", "state": "New York" }, { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT03506724" }, { "nct_id": "NCT00716079", "title": "The Second Intensive Blood Pressure Reduction in Acute Cerebral Haemorrhage Trial", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Intracerebral Hemorrhage", "Stroke", "Hypertension" ], "interventions": [ { "name": "Blood pressure management policies", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "The George Institute", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 2839, "start_date": "2008-09", "completion_date": "2012-12", "has_results": true, "last_update_posted_date": "2013-12-13", "last_synced_at": "2026-10-02T01:33:36.553Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT00716079" }, { "nct_id": "NCT07363343", "title": "Nifedipine and Enalapril vs Nifedipine and Labetalol for the Treatment of Postpartum Hypertension Study", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Hypertension", "Postpartum Preeclampsia" ], "interventions": [ { "name": "Nifedipine and Enalapril", "type": "DRUG" }, { "name": "Nifedipine and Labetalol", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "The Cleveland Clinic", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "FEMALE", "summary": "18 Years and older · Female only" }, "enrollment_count": 200, "start_date": "2026-03-10", "completion_date": "2029-12-31", "has_results": false, "last_update_posted_date": "2026-08-03", "last_synced_at": "2026-10-02T01:33:36.553Z", "location_count": 1, "location_summary": "Cleveland, Ohio", "locations": [ { "city": "Cleveland", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT07363343" } ] }