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

Diltiazem in Jervell and Lange-Nielsen Syndrome

NCT06534671
View directory record Official record
Conditions
Jervell and Lange Nielsen Syndrome
Interventions
diltiazem
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

The Effect of Concomitant Administration of Erythromycin and Diltiazem on CYP3A Activity in Healthy Volunteers

NCT00318201
View directory record Official record
Conditions
Healthy
Interventions
Erythromycin, Diltiazem
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 50 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 5, 2012 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Diltiazem on Pharmacokinetics of BMS-914392

NCT01211808
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
BMS-914832, Diltiazem
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 1, 2011 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase I Study in Healthy Volunteers to Assess the Effect of Cytochrome3A4 (CYP3A4) Inhibitors (Diltiazem and Itraconazole) on the Pharmacokinetics (PK) of AZD3293 and the Effects of AZD3293 on the Pharmacokinetics of Midazolam, a Cytochrome 3A4 and Cytochrome 3A5 (CYP3A4/CYP3A5) Substrate

NCT02010970
View directory record Official record
Conditions
Healthy Volunteers, Pharmacologic Action
Interventions
Group 1 AZD3293, Group 2 AZD3293, Group 3 AZD3293, Group 1 Itraconazole, Group 2 Diltiazem, Group 3 Midazolam
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Apr 27, 2014 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 1 Interventional

Treatment of Supine Hypertension in Autonomic Failure

NCT00223717
View directory record Official record
Conditions
Hypertension
Interventions
Clonidine, Nitroglycerin transdermal, Dipyridamole/ Aspirin (Aggrenox), Desmopressin (DDAVP), Sildenafil, Nifedipine, Hydralazine, Hydrochlorothiazide, Placebo, Bosentan, Diltiazem, Eplerenone, guanfacine, L-arginine, captopril, carbidopa, losartan, metoprolol tartrate, nebivolol hydrochloride, prazosin hydrochloride, tamsulosin hydrochloride, Head-up tilt., aliskiren, Local heat stress
Drug · Dietary Supplement · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Drug-Drug Interaction of Cardizem LA (Diltiazem Hydrochloride) on Pitavastatin

NCT01422382
View directory record Official record
Conditions
Healthy
Interventions
Pitavastatin (NK-104), Diltiazem (Cardizem LA) 240 mg QD
Drug
Lead sponsor
Kowa Research Institute, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 12, 2012 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 4 Interventional Results available

Diltiazem in the Treatment of Atrial Fibrillation or Atrial Flutter With Rapid Ventricular Rate

NCT05661942
View directory record Official record
Conditions
Atrial Fibrillation With Rapid Ventricular Response, Hypotension Drug-Induced
Interventions
Calcium pre-treatment, Placebo
Drug · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Oak Lawn, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Not applicable Interventional Results available

Catheter Ablation vs Anti-arrhythmic Drug Therapy for Atrial Fibrillation Trial

NCT00911508
View directory record Official record
Conditions
Atrial Fibrillation, Arrhythmia
Interventions
Left atrial ablation, Rate or Rhythm Control Therapy
Device · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
2,204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
76
States / cities
Little Rock, Arkansas • Los Angeles, California • Sacramento, California + 66 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2021 · Synced Sep 25, 2026, 1:37 PM EDT
Terminated Phase 3 Interventional Results available

Suppression Of Atrial Fibrillation With Ranolazine After Cardiac Surgery

NCT01352416
View directory record Official record
Conditions
Heart; Dysfunction Postoperative, Cardiac Surgery
Interventions
Ranolazine, Placebo
Drug
Lead sponsor
Corewell Health East
Other
Eligibility
22 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Royal Oak, Michigan • Troy, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 5, 2017 · Synced Sep 25, 2026, 1:37 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Evaluate a Medication on How Hunger and Appetite Are Influenced by Smell

NCT01021176
View directory record Official record
Conditions
Food Intake
Interventions
Placebo spray, Diltiazem
Other · Drug
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 60 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 17, 2015 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Safety, Tolerability, Drug Levels and Drug Effects of Single and Multiple Doses of BMS-986209 in Healthy Participants

NCT04154800
View directory record Official record
Conditions
Health Participants
Interventions
BMS-986209, BMS-986209 Placebo, Itraconazole, Diltiazem
Drug · Other
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 55 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 3, 2022 · Synced Sep 25, 2026, 1:37 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 25, 2026, 1:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study in Healthy Volunteers to Investigate the Effects of Diltiazem on the Pharmacokinetics of Naloxegol

NCT01594619
View directory record Official record
Conditions
Drug Induced Constipation
Interventions
Naloxegol, Diltiazem XR
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 14, 2014 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Effect of Diltiazem Extended Release on the Pharmacokinetics of E2027 in Healthy Subjects

NCT02947711
View directory record Official record
Conditions
Healthy Subjects
Interventions
E2027, Diltiazem ER
Drug
Lead sponsor
Eisai Co., Ltd.
Industry
Eligibility
18 Years to 50 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Mar 6, 2017 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Clinical Study of MK-4318 and Diltiazem in Healthy People (MK-4318-003)

NCT06692647
View directory record Official record
Conditions
Healthy, Pain
Interventions
MK-4318, Diltiazem
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 17, 2024 · Synced Sep 25, 2026, 1:37 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Clinical Trial of MK-4082 in Healthy Participants (MK-4082-005)

NCT07697625
View directory record Official record
Conditions
Healthy
Interventions
MK-4082, Diltiazem, Rescue medication
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 25, 2026, 1:37 PM EDT
Recruiting Phase 4 Interventional

Adenosine vs Diltiazem for Treatment of SVT in the ED

NCT06993038
View directory record Official record
Conditions
Supraventricular Tachycardia (SVT)
Interventions
adenosine, diltiazem
Drug
Lead sponsor
Anne E. Zepeski
Other
Eligibility
18 Years to 100 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 25, 2026, 1:37 PM EDT
Not listed Phase 1 Interventional

An Open-Label, Single- and Multi-Dose Pharmacokinetic (PK) Study of Oral Diltiazem and Topical Diltiazem Hydrochloride

NCT01816191
View directory record Official record
Conditions
Adult Subjects With Anal Fissures.
Interventions
Diltiazem Hydrochloride Cream and Oral Diltiazem
Drug
Lead sponsor
Ventrus Biosciences, Inc
Industry
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 20, 2013 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Not applicable Interventional Results available

Ablation vs Drug Therapy for Atrial Fibrillation - Pilot Trial

NCT00578617
View directory record Official record
Conditions
Atrial Fibrillation, Arrhythmia
Interventions
Rate Control, Ablation Therapy, Rhythm control
Drug · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
10
States / cities
Birminham, Alabama • Los Angeles, California • Maywood, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 3, 2013 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

CiPA Phase 1 ECG Biomarker Validation Study

NCT03070470
View directory record Official record
Conditions
Drug-induced QT Prolongation, Pharmacokinetics, Pharmacodynamics
Interventions
Ranolazine, Verapamil, Lopinavir / Ritonavir, Chloroquine, Placebo, Dofetilide and Diltiazem
Drug
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of Diltiazem on the Pharmacokinetics (PK) of BMS-986141 in Healthy Subjects

NCT02922452
View directory record Official record
Conditions
Ischemic Stroke
Interventions
BMS-986141, Dilitazem
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 50 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 19, 2016 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 3 Interventional Results available

HALT Progression of Polycystic Kidney Disease Study A

NCT00283686
View directory record Official record
Conditions
Kidney, Polycystic
Interventions
Lisinopril, Telmisartan, Placebo, Standard Blood Pressure Control, Low Blood Pressure Control
Drug · Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
15 Years to 64 Years
Enrollment
558 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
7
States / cities
Aurora, Colorado • Atlanta, Georgia • Kansas City, Kansas + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2020 · Synced Sep 25, 2026, 1:37 PM EDT
Not yet recruiting No phase listed Observational

Assessing the Neurological Outcomes After Atrial Fibrillation Ablation for Rhythm Control

NCT06783868
View directory record Official record
Conditions
Atrial Fibrillation, Stroke
Interventions
Catheter Ablation, Market-approved AVNB, OAC and AAD
Device · Drug
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
7
States / cities
Overland Park, Kansas • Independence, Missouri • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 2Phase 3 Interventional

African American Study of Kidney Disease and Hypertension ABPM Pilot Study

NCT00582777
View directory record Official record
Conditions
Hypertensive Renal Disease
Interventions
USUAL - take your BP Meds as you usually do, HS DOSING, ADD On Dosing
Behavioral · Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
16
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2012 · Synced Sep 25, 2026, 1:37 PM EDT