Drugs / Diltiazem
last change Jul 2026 re-read 2 minutes ago

Diltiazem

Small molecule targets CYP3A4 via inhibition

Developed for
atrial fibrillation · ulcer of anus and rectum · coronary artery disorder · COVID-19 · hypertensive disorder · coronary microvascular disorder · myocardial ischemia · acute myocardial infarction
+23 more · atrial flutter · chronic ulcer of skin · coronary vasospasm · essential hypertension · heritable pulmonary arterial hypertension · hypertensive nephropathy · hypertrophic cardiomyopathy · idiopathic pulmonary arterial hypertension · influenza · ischemic disease · Jervell and Lange-Nielsen syndrome · nonobstructive coronary artery disease · paroxysmal atrial fibrillation · preeclampsia · Prinzmetal angina · atrioventricular node disorder · cardiac rhythm disease · coronary artery intramyocardial course · hemorrhoid · metabolic syndrome X · myocardial infarction · puerperal infection · vascular ectasia
Investigated by
Merck Sharp & Dohme LLC · Ventrus Biosciences, Inc · Bristol-Myers Squibb · National Heart, Lung, and Blood Institute (NHLBI) · Seoul National University Hospital · Assiut University
+55 more · AstraZeneca · Mayo Clinic · Pfizer · Tehran University of Medical Sciences · University Hospital, Lille · University of Arkansas · Abbott Medical Devices · American University of Beirut Medical Center · BeiGene · Boston Children's Hospital · Boston University · Brigham and Women's Hospital · Calzada-Mendoza, Claudia, PhD · Charite University, Berlin, Germany · Chinese University of Hong Kong · Chugai Pharma China · Deutsches Zentrum für Herz-Kreislauf-Forschung (DZHK) · Duke Clinical Research Institute · Eisai Inc. · Eli Lilly and Company · Fudan University · GlaxoSmithKline · Hospices Civils de Lyon · Hospital de la Mujer · I-site University Lille North Europe · Idorsia Pharmaceuticals Ltd. · Indiana University · Kowa Research Institute, Inc. · Mahidol University · Ministry of Health, France · Mohammad Ali Nazarinia · National Institute of Allergy and Infectious Diseases (NIAID) · National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) · National Institute on Drug Abuse (NIDA) · National Taiwan University Hospital · National University of Ireland, Galway, Ireland · Ocharan-Hernández, Esther, MD, PhD · Oman Medical Speciality Board · Ottawa Hospital Research Institute · PRA Health Sciences · Radboud University Medical Center · Ruijin Hospital · S.L.A. Pharma AG · Shiraz University of Medical Sciences · Signia Therapeutics · Singapore General Hospital · TKL Research, Inc. · University Hospital, Strasbourg, France · University of Calgary · University of South Florida · University of Vermont · Vanderbilt University · Vanderbilt University Medical Center · Vargas-De-León, Cruz, MSc · Viatris Innovation GmbH

Regulatory milestones approvals, filings & regulatory actions · 9 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Label expansion US (FDA) CARDIZEM LA 2004-04-02 fda.gov
Label expansion US (FDA) TIAZAC 1998-01-30 fda.gov
Label expansion US (FDA) DILACOR XR 1995-03-02 fda.gov
Label expansions (3) US (FDA) CARDIZEM 1986-07-28 – 1993-07-01 fda.gov
Label expansions (2) US (FDA) CARDIZEM CD 1992-08-10 – 1992-10-15 fda.gov
Approved US (FDA) CARDIZEM 1982-11-05 fda.gov

Trials 67 · started per year

today
US approved 1982
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19821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 02 trials
Phase 0 NCT04790331 Mar 2021 → Jan 2022 Assiut University Unknown No outcome recorded
Phase 0 NCT03580590 Sep 2018 → Nov 2019 orthostatic hypotension 2 Assiut University Unknown No outcome recorded
Phase 129 trials
Phase 1 NCT07697625 Jul → Sep 2026 expected Merck Sharp & Dohme LLC Not yet recruiting No outcome recorded
Phase 1 NCT07232589 Dec 2025 → May 2026 Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1 NCT06818968 Feb → Aug 2025 Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1 NCT06554639 Jul → Aug 2024 prostate neoplasm Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1 NCT06662396 Jun → Sep 2024 Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1 NCT06692647 Feb → Apr 2024 Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1 NCT05745337 Feb → Dec 2023 atrial fibrillation, diastolic heart failure University of Vermont Unknown No outcome recorded
Phase 1 NCT05162222 Dec 2021 → Jul 2022 Bristol-Myers Squibb Completed No outcome recorded
Phase 1 NCT04551963 Nov 2020 → Feb 2022 B-cell neoplasm BeiGene Completed No outcome recorded
Phase 1 NCT02807909 Jul → Aug 2016 thrombotic disease Bristol-Myers Squibb Completed No outcome recorded
Phase 1/21 trial
Phase 1/2 NCT07456852 Apr 2026 → Apr 2028 expected digestive system cancer Mayo Clinic Recruiting No outcome recorded
Phase 24 trials
Phase 2 NCT05563168 Apr 2023 → Oct 2024 COVID-19 Hospices Civils de Lyon Withdrawn No outcome recorded
Phase 2 NCT04153032 Dec 2019 → Jan 2026 overdue American University of Beirut Medical Center Recruiting No outcome recorded
Phase 2 NCT03212716 Dec 2017 → May 2022 influenza University Hospital, Lille Terminated No outcome recorded
Phase 2 NCT02801305 Jun 2016 → Jan 2017 chronic ulcer of skin Mohammad Ali Nazarinia Completed No outcome recorded
Phase 2/33 trials
Phase 2/3 NCT04887818 Jun → Dec 2021 ulcer of anus and rectum University of Calgary Unknown No outcome recorded
Phase 2/3 NCT00582777 Nov 2007 → Dec 2008 hypertensive nephropathy National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) Completed No outcome recorded
Phase 2/3 NCT00319982 Jan 2006 → Dec 2012 hypertrophic cardiomyopathy Brigham and Women's Hospital Completed No outcome recorded
Phase 38 trials
Phase 3 NCT06276127 Apr 2025 → Apr 2027 expected atrial fibrillation, atrial flutter Oman Medical Speciality Board Not yet recruiting No outcome recorded
Phase 3 NCT04372082 May 2020 → May 2023 COVID-19 University Hospital, Lille Withdrawn No outcome recorded
Phase 3 NCT04777045 Oct 2019 → Jul 2026 overdue coronary microvascular disorder, coronary vasospasm, myocardial ischemia Radboud University Medical Center Active not recruiting No outcome recorded
Phase 3 NCT01690221 Oct 2012 → Dec 2013 ulcer of anus and rectum Ventrus Biosciences, Inc Completed No outcome recorded
Phase 3 NCT01217515 Oct 2010 → Mar 2012 ulcer of anus and rectum S.L.A. Pharma AG Completed No outcome recorded
Phase 3 NCT01771978 Jun 2002 → Feb 2008 ischemic disease University Hospital, Strasbourg, France Unknown No outcome recorded
Phase 3 NCT00000556 Mar 1995 → Sep 2002 atrial fibrillation National Heart, Lung, and Blood Institute (NHLBI) Completed No outcome recorded
Phase 3 NCT00000478 Nov 1990 → Jun 1997 coronary artery disorder, myocardial ischemia National Heart, Lung, and Blood Institute (NHLBI) Completed No outcome recorded
Phase 414 trials
Phase 4 NCT06534671 Oct 2024 Jervell and Lange-Nielsen syndrome Vanderbilt University Medical Center Completed No outcome recorded
Phase 4 NCT05294887 Mar 2022 → Jun 2024 Prinzmetal angina, coronary microvascular disorder, nonobstructive coronary artery disease Charite University, Berlin, Germany Unknown No outcome recorded
Phase 4 NCT04234477 Dec 2021 → Jun 2022 atrial fibrillation Boston University Withdrawn No outcome recorded
Phase 4 NCT05261464 Jan 2021 → Jun 2022 Mahidol University Unknown No outcome recorded
Phase 4 NCT04310995 Jun 2020 → Feb 2023 coronary artery disorder Ruijin Hospital Completed No outcome recorded
Phase 4 NCT04330300 Apr 2020 → Jul 2021 COVID-19, essential hypertension National University of Ireland, Galway, Ireland Suspended No outcome recorded
Phase 4 NCT01162902 Sep 2013 → Jan 2015 coronary artery disorder Seoul National University Hospital Unknown No outcome recorded
Phase 4 NCT01422382 May → Jun 2011 Kowa Research Institute, Inc. Completed No outcome recorded
Phase 4 NCT01655303 Feb → Dec 2011 atrial fibrillation Tehran University of Medical Sciences Completed No outcome recorded
Phase 4 NCT00834925 Aug 2009 atrial fibrillation Seoul National University Hospital Unknown No outcome recorded
Phase not applicable6 trials
NCT05950971 Jul 2021 → Jan 2022 paroxysmal atrial fibrillation Seoul National University Hospital Terminated No outcome recorded
NCT04513509 Oct 2020 → Jun 2022 atrial fibrillation National Taiwan University Hospital Completed No outcome recorded
NCT01645826 Jul 2012 → Sep 2014 heritable pulmonary arterial hypertension, idiopathic pulmonary arterial hypertension University of South Florida Withdrawn No outcome recorded
NCT04222855 Jan → May 2009 preeclampsia Hospital de la Mujer Completed No outcome recorded
NCT00578617 Sep 2006 → Feb 2009 atrial fibrillation Mayo Clinic Completed No outcome recorded
NCT00164801 Nov 2004 → Jan 2007 Chinese University of Hong Kong Terminated No outcome recorded
Also used as a comparator or background therapy in 38 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT04017845 Comparator Apr 2015 → May 2017 adenomatous colon polyp, colorectal cancer Lewai Sharki Abdulaziz, MSc PhD Completed No outcome recorded
Phase 17 trials
Phase 1 NCT06703463 Background Oct 2023 → Feb 2024 Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1 NCT04154800 Background Dec 2019 → Aug 2021 Bristol-Myers Squibb Completed No outcome recorded
Phase 1 NCT03070470 Comparator Mar → Jun 2017 Food and Drug Administration (FDA) Completed No outcome recorded
Phase 1 NCT02947711 Background Oct → Nov 2016 Eisai Inc. Completed No outcome recorded
Phase 1 NCT02653872 Comparator Jan → Apr 2016 AstraZeneca Completed No outcome recorded
Phase 1/23 trials
Phase 1/2 NCT07545187 Comparator Jun 2025 → Apr 2026 puerperal infection Alaa Nadhim Hameed Completed No outcome recorded
Phase 1/2 NCT01408524 Comparator Feb 2010 → Nov 2012 hypertensive disorder Mahidol University Completed No outcome recorded
Phase 1/2 NCT02503865 Comparator Jan 2003 → Dec 2008 metabolic syndrome X Nazarbayev University Completed No outcome recorded
Phase 22 trials
Phase 2 NCT04130438 Comparator Oct 2020 → Mar 2022 coronary artery intramyocardial course Stanford University Terminated No outcome recorded
Phase 2 NCT03752931 Comparator Dec 2018 → Dec 2019 Abderrahmane Mami Hospital Unknown No outcome recorded
Phase 2/31 trial
Phase 2/3 NCT04276298 Comparator Sep 2020 → Feb 2022 hemorrhoid University of Auckland, New Zealand Completed No outcome recorded
Phase 34 trials
Phase 3 NCT00803634 Comparator Dec 2008 → Feb 2012 heart failure, hypertensive disorder The Medicines Company Completed No outcome recorded
Phase 3 NCT00589303 Comparator Dec 2007 → Jul 2011 atrial fibrillation, heart failure Mayo Clinic Terminated No outcome recorded
Phase 3 NCT00313157 Comparator Apr 2006 → Sep 2010 atrial fibrillation Asker & Baerum Hospital Completed No outcome recorded
Phase 3 NCT00000620 Background Sep 1999 → Jun 2009 atherosclerosis, coronary artery disorder, hyperlipoproteinemia, hypertensive disorder +1 National Heart, Lung, and Blood Institute (NHLBI) Completed No outcome recorded
Phase 413 trials
Phase 4 NCT07103655 Background Jan → Jul 2026 overdue hypertrophic cardiomyopathy Second Affiliated Hospital, School of Medicine, Zhejiang University Not yet recruiting No outcome recorded
Phase 4 NCT06993038 Comparator Aug 2025 → Jul 2027 expected cardiac rhythm disease Anne E. Zepeski Recruiting No outcome recorded
Phase 4 NCT07456423 Comparator Jul 2024 → Jun 2025 atrioventricular node disorder, cardiac rhythm disease Haseki Training and Research Hospital Completed No outcome recorded
Phase 4 NCT05122780 Comparator Jul 2021 → Jul 2025 overdue myocardial infarction Fondazione Policlinico Universitario Agostino Gemelli IRCCS Active not recruiting No outcome recorded
Phase 4 NCT05391893 Comparator Jun 2020 → Apr 2023 atrial fibrillation, atrial flutter Corewell Health South Completed No outcome recorded
Phase not applicable7 trials
NCT07445334 Comparator Mar 2026 → Sep 2027 expected cardiac rhythm disease Western Sydney Local Health District Not yet recruiting No outcome recorded
NCT06699342 Comparator Jan 2025 → Dec 2027 expected atrial fibrillation Seoul National University Hospital Recruiting No outcome recorded
NCT02364089 Comparator Apr 2015 → Mar 2022 adrenal gland disorder University Hospital, Bordeaux Completed No outcome recorded
NCT02158013 Comparator Sep 2014 → Feb 2018 ulcer of anus and rectum Bispebjerg Hospital Terminated No outcome recorded
NCT02024919 Comparator Jun 2012 → May 2015 vascular ectasia Ankara University Completed No outcome recorded

Press releases naming this drug 1 release

DateIssuerRelease
1999-12-27 Teva Branded Pharmaceutical Products R&D, Inc. Teva pharmaceutical industries Ltd. to launch generic equivalent of cardizem cd in all dosage forms immediately tevapharm.com

Evidence & citations 109 cited values

Every value below carries the sentence it was read from. 106 sources stand behind the page.

FieldValueCited text
Known as Diltiazem “Pharmacologic therapy includes rate control with beta-blockers (e.g., bisoprolol), calcium channel blockers (e.g., diltiazem), or antiarrhythmic drugs (e.g., flecainide,...” NCT06699342
102

“In patients with structural heart disease, amiodarone is recommended, while flecainide plus diltiazem or beta-blockers are encouraged in patients without structural heart diseases.” NCT00863213

“IV beta-blockers available through the inpatient pharmacy include metoprolol or esmolol, and IV calcium channel blockers include diltiazem and verapamil.” NCT04234477

“For example, a dihydropyridine calcium channel blocker (verapamil or diltiazem) may be initiated if patient has concurrent asthma.” NCT07445334

“additional antihypertensive medication before bedtime [diltiazem 60-120 mg, hydralazine 25 mg, or additional ramipril 5 mg]” PMID 23172931 Nov 2012

“Within the former group, some were assigned randomly to receive Diltiazem and some to Verapamil.” NCT00413712

“Amlodipine, diltiazem, felodipine, nicardipine, nifedipine, nimodipine, nitrendipine, verapamil” NCT04330300

“i.e. diltiazem; dosages titrated on blood pressure, ECG, heart rate” NCT05122780

“Carvedilol 6.25-25mg, Diltiazem 180-240mg, Verapamil 180-240mg” NCT00911508

Diltiazem: 30, 60, 120 mg oral capsule may possibly be given” NCT00733239

“* step 3: Add-on of Amlodipine 10 mg or Diltiazem LP 300 mg” NCT02364089

“valsartan, diltiazem, dilacor, ditiazem, verapamil” NCT00684489

Diltiazem (Cardizem), a Moderate CYP3A4 Inhibitor” NCT01124760

“administer oral Diltiazem 60mg IR Tablet” NCT05391893

“20 mg CP-945,598 + 240 mg MR DiltiazemNCT00645463

“* verapamil * diltiazemNCT00589303

Diltiazem 180-240mg” NCT00578617

diltiazem (Tiazac)” NCT00000620

“Drug: DiltiazemNCT04130438

diltiazemNCT00803634

NCT00164801

NCT02947711

NCT05563168

NCT06276127

NCT04551963

NCT00319982

NCT03070470

NCT03212716

NCT07103655

NCT01217515

NCT05950971

NCT04141553

NCT02010970

NCT01211808

NCT06703463

NCT01162902

NCT04777045

NCT04017845

NCT05261464

NCT00223717

NCT03580590

NCT01655303

NCT04276298

NCT07232589

NCT03930433

NCT02080780

NCT03472495

NCT01821274

NCT00318201

NCT02024919

NCT04887818

NCT07456423

NCT06692647

NCT00000478

NCT01852565

NCT02479204

NCT04222855

NCT02300259

NCT02526888

NCT03752931

NCT06818968

NCT04310995

NCT02695992

NCT01408524

NCT02319148

NCT00712894

NCT01422382

NCT01645826

NCT01021176

NCT04153032

NCT05162222

NCT00834925

NCT02419534

NCT00893100

NCT00313157

NCT07697625

NCT06993038

NCT06534671

NCT02158013

NCT01771978

NCT06554639

NCT01549496

NCT04154800

NCT04372082

NCT06662396

NCT02308748

NCT02025465

NCT04513509

NCT00593463

NCT01914926

NCT01816191

NCT02801305

NCT02503865

NCT04790331

NCT01816529

NCT05294887

NCT02653872

NCT02807909

NCT07545187

NCT01261156

NCT00039975

NCT05745337

NCT00000556

Known as 2% Diltiazem 2% Diltiazem Hydrochloride Cream applied on Day 1 \& Day 8 to the perianal area (\~2.5 cm \[1 inch\]; \~8.5 mg)” NCT02080780
Known as Adizem ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Adizem-60 ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Adizem-sr ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Adizem-xl ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Altiazem ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Angiozem 60 ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Angiozem cr 120 ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Angiozem cr 90 ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Angitil sr 120 ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Angitil sr 180 ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Angitil sr 90 ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Angitil xl 240 ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Angitil xl 300 ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Anoheal ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Bi-carzem sr ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Bi-carzem xl ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Britiazim ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Calazem ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Calcicard ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Calcicard cr ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Cardizem “Diltiazem (Cardizem), a Moderate CYP3A4 Inhibitor” NCT01124760
Known as Cardizem cd ChEMBL registry synonym — accepted as the source's own label CHEMBL23
Known as Cardizem LA “Diltiazem (Cardizem LA) 240 mg QD” NCT01422382