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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Nifedipine Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Three New Ideas to Protect Special Forces From the Stress of High Altitude

NCT02463357
View directory record Official record
Conditions
Mountain Sickness
Interventions
Quercetin, Nifedipine extended release, Methazolamide, Metformin, Placebo, Nitrite
Dietary Supplement · Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Alma, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 29, 2021 · Synced Sep 1, 2026, 11:47 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Chronic Hypertension and Pregnancy 2 (CHAP2) Pilot Project

NCT05989581
View directory record Official record
Conditions
Hypertension in Pregnancy
Interventions
Labetalol or Nifedipine
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
14 Years to 89 Years · Female only
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 1, 2026, 11:47 PM EDT
Completed Phase 4 Interventional Results available

Oral Combined Hydrochlorothiazide/Lisinopril Versus Oral Nifedipine for Postpartum Hypertension

NCT05049616
View directory record Official record
Conditions
Hypertension in Pregnancy, Postpartum Preeclampsia
Interventions
ACE Inhibitors and Diuretics, NIFEdipine ER
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Sep 1, 2026, 11:47 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Pharmacokinetics, Pharmacodynamics, and Safety Profile of Understudied Drugs Administered to Children Per Standard of Care (POPS)

NCT04278404
View directory record Official record
Conditions
Coronavirus Infection (COVID-19), Pulmonary Arterial Hypertension, Urinary Tract Infections in Children, Hypertension, Pain, Hyperphosphatemia, Primary Hyperaldosteronism, Edema, Hypokalemia, Heart Failure, Hemophilia, Menorrhagia, Insomnia, Pneumonia, Skin Infection, Arrythmia, Asthma in Children, Bronchopulmonary Dysplasia, Adrenal Insufficiency, Fibrinolysis; Hemorrhage, Attention Deficit Hyperactivity Disorder, Multisystem Inflammatory Syndrome in Children (MIS-C), Kawasaki Disease, Coagulation Disorder, Down Syndrome
Interventions
The POP02 study is collecting bodily fluid samples (i.e., whole blood, effluent samples) of children prescribed the following drugs of interest per standard of care:
Drug
Lead sponsor
Duke University
Other
Eligibility
0 Years to 20 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
49
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 40 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 1, 2026, 11:47 PM EDT
Completed Not applicable Interventional Results available

Oral Nifedipine Versus Oral Labetalol

NCT02168309
View directory record Official record
Conditions
Severe Postpartum Hypertension
Interventions
Labetalol, Nifedipine
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 12, 2017 · Synced Sep 1, 2026, 11:47 PM EDT
Recruiting Not applicable Interventional

Postpartum Preeclampsia Early Detection and Treatment: Nepal Pilot Study

NCT07185204
View directory record Official record
Conditions
Postpartum Preeclampsia
Interventions
Early detection and management of postpartum preeclampsia bundle
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 1, 2026, 11:47 PM EDT
Completed Not applicable Interventional Results available

Magnesium Sulfate Versus Nifedipine for the Acute Tocolysis of Preterm Labor: A Prospective, Randomized Trial

NCT00185900
View directory record Official record
Conditions
Obstetric Labor, Premature
Interventions
Magnesium Sulfate, Nifedipine
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2007
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Nov 18, 2018 · Synced Sep 1, 2026, 11:47 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Alfuzosin for Medical Expulsion Therapy of Ureteral Stones

NCT00713739
View directory record Official record
Conditions
Kidney Stones
Interventions
Alfuzosin, nifedipine, doxazosin, prazosin
Drug
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 26, 2012 · Synced Sep 1, 2026, 11:47 PM EDT
Completed No phase listed Observational

Pharmacokinetics of Understudied Drugs Administered to Children Per Standard of Care

NCT01431326
View directory record Official record
Conditions
Adenovirus, Anesthesia, Anxiety, Anxiolysis, Autism, Autistic Disorder, Bacterial Meningitis, Bacterial Septicemia, Benzodiazepine, Bipolar Disorder, Bone and Joint Infections, Central Nervous System Infections, Convulsions, Cytomegalovirus Retinitis, Early-onset Schizophrenia Spectrum Disorders, Epilepsy, General Anesthesia, Gynecologic Infections, Herpes Simplex Virus, Infantile Hemangioma, Infection, Inflammation, Inflammatory Conditions, Intra-abdominal Infections, Lower Respiratory Tract Infections, Migraines, Pain, Pneumonia, Schizophrenia, Sedation, Seizures, Skeletal Muscle Spasms, Skin and Skin-structure Infections, Treatment-resistant Schizophrenia, Urinary Tract Infections, Withdrawal, Sepsis, Gram-negative Infection, Bradycardia, Cardiac Arrest, Cardiac Arrhythmia, Staphylococcal Infections, Nosocomial Pneumonia, Neuromuscular Blockade, Methicillin Resistant Staphylococcus Aureus, Endocarditis, Neutropenia, Headache, Fibrinolytic Bleeding, Pulmonary Arterial Hypertension, CMV Retinitis, Hypertension, Chronic Kidney Diseases, Hyperaldosteronism, Hypokalemia, Heart Failure, Hemophilia, Heavy Menstrual Bleeding, Insomnia
Interventions
The POPS study is collecting PK data on children prescribed the following drugs of interest per standard of care:
Drug
Lead sponsor
Daniel Benjamin
Other
Eligibility
Up to 21 Years
Enrollment
3,520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
43
States / cities
Anchorage, Alaska • Little Rock, Arkansas • La Jolla, California + 37 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2023 · Synced Sep 1, 2026, 11:47 PM EDT
Active, not recruiting Phase 3 Interventional

Preeclampsia Postpartum Antihypertensive Treatment

NCT04298034
View directory record Official record
Conditions
Preeclampsia, Hypertension in Pregnancy
Interventions
Labetalol, Nifedipine
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 1, 2026, 11:47 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Drug Interaction With Proton Pump Inhibitors for Nifedipine ER Tablets

NCT03100838
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Nifedipine 60 MG Extended Release Oral Tablet, omeprazole/sodium bicarbonate, SmartPill (TM)
Drug · Device
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 55 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 15, 2019 · Synced Sep 1, 2026, 11:47 PM EDT
Completed Phase 3 Interventional

Drugs for High Blood Pressure and High Cholesterol in American Indians With Type 2 Diabetes

NCT00004266
View directory record Official record
Conditions
Diabetic Nephropathy
Interventions
Lisinopril, Nifedipine, Simvastatin
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 1999
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 6, 2018 · Synced Sep 1, 2026, 11:47 PM EDT
Completed Phase 2 Interventional

Study of Nifedipine GITS and Candesartan Combination Compared to Monotherapy in Patients With Essential Hypertension

NCT01303783
View directory record Official record
Conditions
Hypertension, Essential
Interventions
Candesartan cilexetil (Atacand), 4 mg, Candesartan cilexetil (Atacand), 8 mg, Nifedipine GITS (Adalat, BAYA1040), 20 mg, Nifedipine GITS (Adalat, BAYA1040), 30 mg, Nifedipine GITS (Adalat, BAYA1040), 60 mg, Placebo, Candesartan cilexetil (Atacand), 16 mg, Candesartan cilexetil (Atacand), 32 mg
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
1,381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
23
States / cities
Mobile, Alabama • Los Angeles, California • Coral Gables, Florida + 18 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Sep 1, 2026, 11:47 PM EDT
Completed Phase 1 Interventional

Drug Discrimination in Methadone-Maintained Humans Study 1

NCT00593463
View directory record Official record
Conditions
Drug Dependence
Interventions
Cycloserine, Diltiazem, Gabapentin, Isradipine, Naloxone, Nifedipine, Placebo, Saline, Verapamil
Drug · Device
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 10, 2011 · Synced Sep 1, 2026, 11:47 PM EDT
Completed Not applicable Interventional Results available

Comparison of Nifedipine Versus Indomethacin for Acute Preterm Labor

NCT03129945
View directory record Official record
Conditions
Obstetric Labor, Premature
Interventions
Nifedipine, Indomethacin
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
5
States / cities
Los Angeles, California • Orange, California • Sacramento, California + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Sep 1, 2026, 11:47 PM EDT
Terminated Phase 4 Interventional Results available

Is Procardia XL 60 mg Q Daily Equivalent to 30 mg XL Given Twice Daily?

NCT03595982
View directory record Official record
Conditions
Hypertension in Pregnancy, Hypertension in Postpartum
Interventions
Procardia XL 30Mg, Procardia XL 60Mg
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Sep 1, 2026, 11:47 PM EDT
Completed Phase 4 Interventional Results available

Amlodipine Versus Nifedipine ER for the Management of Postpartum Hypertension

NCT04790279
View directory record Official record
Conditions
Hypertension in Pregnancy
Interventions
Amlodipine, NIFEdipine ER
Drug
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older · Female only
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 27, 2024 · Synced Sep 1, 2026, 11:47 PM EDT
Completed Phase 3 Interventional Results available

Nifedipine for Acute Tocolysis of Preterm Labor

NCT02132533
View directory record Official record
Conditions
Preterm Labor
Interventions
Nifedipine, Placebo, Usual care
Drug · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
16 Years to 44 Years · Female only
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 20, 2020 · Synced Sep 1, 2026, 11:47 PM EDT
Completed Phase 1 Interventional

Drug Discrimination in Methadone-Maintained Humans Study 2

NCT00733239
View directory record Official record
Conditions
Opioid Dependence
Interventions
2-4 of the drugs listed below
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 17, 2012 · Synced Sep 1, 2026, 11:47 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Relative Bioavailability Study of 60 mg Nifedipine Extended Release Tablets Under Fasting Conditions

NCT00865891
View directory record Official record
Conditions
Healthy
Interventions
Nifedipine Extended Release tablets 60 mg, single dose, ADALAT® CC Extended Release Tablets 60 mg
Drug
Lead sponsor
Actavis Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 16, 2010 · Synced Sep 1, 2026, 11:47 PM EDT
Completed Phase 1 Interventional

Drug Discrimination in Methadone-Maintained Humans Study 3

NCT01068847
View directory record Official record
Conditions
Drug Dependence
Interventions
2-4 of the drugs listed below
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 6, 2013 · Synced Sep 1, 2026, 11:47 PM EDT
Terminated Phase 3 Interventional

Tocolytics Trial: Intravenous (IV) Magnesium Versus Oral Nifedpine in Fetal Fibronectin (FFN) Postive Population

NCT00641784
View directory record Official record
Conditions
Labor, Premature
Interventions
Magnesium, Nifedlipine
Drug
Lead sponsor
MemorialCare
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Sep 17, 2009 · Synced Sep 1, 2026, 11:47 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers

Treatment of Elevated Blood Pressures in Early Pregnancy

NCT05955040
View directory record Official record
Conditions
Elevated Blood Pressure, Pregnancy Induced Hypertension
Interventions
Nifedipine, Labetalol
Drug
Lead sponsor
Marshall University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Huntington, West Virginia
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Sep 1, 2026, 11:47 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Intensive Postpartum Antihypertensive Treatment

NCT05687344
View directory record Official record
Conditions
Hypertensive Disorder of Pregnancy
Interventions
Nifedipine ER
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 1, 2026, 11:47 PM EDT