{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Labetalol%2C+Nifedipine", "query": { "intervention": "Labetalol, Nifedipine" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 20, "total_pages": 2, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Labetalol%2C+Nifedipine&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-10-04T10:32:04.997Z", "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": "NCT07746271", "title": "Gestational Hypertension and Preeclampsia Blood Pressure (BP) Treatment Goals Less Than 140/90 vs. Less Than 160/110 mmHg: The GOALPOST Trial", "overall_status": "NOT_YET_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Hypertension in Pregnancy", "Obstetrical Complications" ], "interventions": [ { "name": "Anti-hypertensive medication titrated to a BP goal of <140/90 mmHg", "type": "DRUG" }, { "name": "Usual Care: Anti-hypertensive medication for BP ≥160/110 mmHg titrated to a goal of < 160/110 mmHg", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "The George Washington University Biostatistics Center", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "14 Years", "maximum_age": "56 Years", "sex": "FEMALE", "summary": "14 Years to 56 Years · Female only" }, "enrollment_count": 4120, "start_date": "2026-09-30", "completion_date": "2030-04-30", "has_results": false, "last_update_posted_date": "2026-09-18", "last_synced_at": "2026-10-04T10:32:04.997Z", "location_count": 14, "location_summary": "Birmingham, Alabama • San Francisco, California • Chicago, Illinois + 10 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "San Francisco", "state": "California" }, { "city": "Chicago", "state": "Illinois" }, { "city": "New York", "state": "New York" }, { "city": "Chapel Hill", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT07746271" }, { "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": "2026-10-04T10:32:04.997Z", "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": "NCT05309460", "title": "Labetalol or Nifedipine for Control of Postpartum Hypertension: A Randomized Controlled Trial", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Postpartum Preeclampsia", "Hypertension in Pregnancy" ], "interventions": [ { "name": "Labetalol Oral Tablet", "type": "DRUG" }, { "name": "NIFEdipine ER", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Nebraska Methodist Health System", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "19 Years", "maximum_age": null, "sex": "FEMALE", "summary": "19 Years and older · Female only" }, "enrollment_count": 600, "start_date": "2022-06-20", "completion_date": "2024-12-01", "has_results": false, "last_update_posted_date": "2024-04-12", "last_synced_at": "2026-10-04T10:32:04.997Z", "location_count": 1, "location_summary": "Omaha, Nebraska", "locations": [ { "city": "Omaha", "state": "Nebraska" } ], "official_url": "https://clinicaltrials.gov/study/NCT05309460" }, { "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": "2026-10-04T10:32:04.997Z", "location_count": 1, "location_summary": "Huntington, West Virginia", "locations": [ { "city": "Huntington", "state": "West Virginia" } ], "official_url": "https://clinicaltrials.gov/study/NCT04755764" }, { "nct_id": "NCT05551104", "title": "Safest Choice of Antihypertensive Regimen for Postpartum Hypertension", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Postpartum Complication", "Maternal Hypertension", "High Blood Pressure" ], "interventions": [ { "name": "Oral Nifedipine", "type": "DRUG" }, { "name": "Oral Labetalol", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Loma Linda 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": 500, "start_date": "2023-05-08", "completion_date": "2027-12", "has_results": false, "last_update_posted_date": "2026-02-04", "last_synced_at": "2026-10-04T10:32:04.997Z", "location_count": 1, "location_summary": "Loma Linda, California", "locations": [ { "city": "Loma Linda", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05551104" }, { "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": "2026-10-04T10:32:04.997Z", "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": "NCT04467931", "title": "ACEI or ARB and COVID-19 Severity and Mortality in US Veterans", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Hypertension", "COVID" ], "interventions": [ { "name": "ACEI/ARB", "type": "DRUG" }, { "name": "Non-ACEI/ARB", "type": "DRUG" }, { "name": "ACEI", "type": "DRUG" }, { "name": "ARB", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Utah", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 22213, "start_date": "2020-01-19", "completion_date": "2020-12-31", "has_results": false, "last_update_posted_date": "2021-04-28", "last_synced_at": "2026-10-04T10:32:04.997Z", "location_count": 1, "location_summary": "Salt Lake City, Utah", "locations": [ { "city": "Salt Lake City", "state": "Utah" } ], "official_url": "https://clinicaltrials.gov/study/NCT04467931" }, { "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": "2026-10-04T10:32:04.997Z", "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": "NCT06915792", "title": "PEACE Trial: Postpartum Evaluation of Antihypertensive Cessation and Efficacy", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Postpartum Hypertension (PPHT)" ], "interventions": [ { "name": "Labetalol", "type": "DRUG" }, { "name": "Nifedipine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of California, Los Angeles", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "64 Years", "sex": "FEMALE", "summary": "18 Years to 64 Years · Female only" }, "enrollment_count": 110, "start_date": "2025-06-01", "completion_date": "2027-10-31", "has_results": false, "last_update_posted_date": "2026-06-05", "last_synced_at": "2026-10-04T10:32:04.997Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT06915792" }, { "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": "2026-10-04T10:32:04.997Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT00194974" } ] }