{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=nifedipine", "query": { "intervention": "nifedipine" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 61, "total_pages": 7, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=nifedipine&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-02T06:49:20.877Z", "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": "NCT00486824", "title": "Indomethacin Versus Nifedipine for Preterm Labor Tocolysis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Obstetric Labor, Premature" ], "interventions": [ { "name": "Indomethacin", "type": "DRUG" }, { "name": "Nifedipine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Stanford 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": 29, "start_date": "2007-04", "completion_date": "2012-12-08", "has_results": true, "last_update_posted_date": "2018-10-01", "last_synced_at": "2026-09-02T06:49:20.877Z", "location_count": 1, "location_summary": "Stanford, California", "locations": [ { "city": "Stanford", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00486824" }, { "nct_id": "NCT00194974", "title": "Treatment Targets for Chronic Hypertension in Pregnancy", "overall_status": "WITHDRAWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Pregnancy Toxemia", "Hypertension", "Proteinuria" ], "interventions": [ {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": "2026-09-02T06:49:20.877Z", "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": "NCT04349124", "title": "Persistent Postpartum Hypertension Pilot Trial", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Hypertension in Pregnancy" ], "interventions": [ { "name": "Nifedipine Extended-Release Tablets", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Duke University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "60 Years", "sex": "FEMALE", "summary": "18 Years to 60 Years · Female only" }, "enrollment_count": 12, "start_date": "2020-08-25", "completion_date": "2021-03-04", "has_results": true, "last_update_posted_date": "2023-04-03", "last_synced_at": "2026-09-02T06:49:20.877Z", "location_count": 1, "location_summary": "Durham, North Carolina", "locations": [ { "city": "Durham", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT04349124" }, { "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": "2026-09-02T06:49:20.877Z", "location_count": 1, "location_summary": "Omaha, Nebraska", "locations": [ { "city": "Omaha", "state": "Nebraska" } ], "official_url": "https://clinicaltrials.gov/study/NCT00661895" }, { "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": "2026-08-15", "completion_date": "2030-04-30", "has_results": false, "last_update_posted_date": "2026-08-05", "last_synced_at": "2026-09-02T06:49:20.877Z", "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": "NCT00000102", "title": "Congenital Adrenal Hyperplasia: Calcium Channels as Therapeutic Targets", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Congenital Adrenal Hyperplasia" ], "interventions": [ { "name": "Nifedipine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "National Center for Research Resources (NCRR)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "14 Years", "maximum_age": "35 Years", "sex": "ALL", "summary": "14 Years to 35 Years" }, "enrollment_count": null, "start_date": null, "completion_date": null, "has_results": false, "last_update_posted_date": "2005-06-24", "last_synced_at": "2026-09-02T06:49:20.877Z", "location_count": 1, "location_summary": "Charleston, South Carolina", "locations": [ { "city": "Charleston", "state": "South Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT00000102" }, { "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": "2026-09-02T06:49:20.877Z", "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": "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": "2026-09-02T06:49:20.877Z", "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": "NCT04392375", "title": "Nifedipine XL Versus Placebo for the Treatment of Preeclampsia With Severe Features During Induction of Labor", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Preeclampsia Severe" ], "interventions": [ { "name": "Nifedipine 30 MG", "type": "DRUG" }, { "name": "Placebos", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Ohio State University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "45 Years", "sex": "FEMALE", "summary": "18 Years to 45 Years · Female only" }, "enrollment_count": 110, "start_date": "2020-06-09", "completion_date": "2022-05-10", "has_results": true, "last_update_posted_date": "2023-07-24", "last_synced_at": "2026-09-02T06:49:20.877Z", "location_count": 1, "location_summary": "Columbus, Ohio", "locations": [ { "city": "Columbus", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT04392375" }, { "nct_id": "NCT01348880", "title": "Vardenafil ODT (Orally Disintegrating Tablet) - Nifedipine Interaction Study", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Erectile Dysfunction" ], "interventions": [ { "name": "Vardenafil ODT, (Staxyn, BAY38-9456)", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Bayer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "65 Years", "maximum_age": "80 Years", "sex": "MALE", "summary": "65 Years to 80 Years · Male only" }, "enrollment_count": 42, "start_date": "2011-05", "completion_date": "2011-12", "has_results": false, "last_update_posted_date": "2014-05-19", "last_synced_at": "2026-09-02T06:49:20.877Z", "location_count": 2, "location_summary": "Miami, Florida • Knoxville, Tennessee", "locations": [ { "city": "Miami", "state": "Florida" }, { "city": "Knoxville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT01348880" } ] }