Diltiazem
Cardizem, Cartia, Diltiazem, Teczem, Tiamate, Tiazac (diltiazem) is a small molecule pharmaceutical. Diltiazem was first approved as Cardizem on 1982-11-05. It is used to treat atrial fibrillation, atrial flutter, hypertension, myocardial infarction, and supraventricular tachycardia amongst others in the USA. The pharmaceutical is active against voltage-dependent L-type calcium channel subunit alpha-1S. In addition, it is known to target potassium voltage-gated channel subfamily A member 1, cyclic nucleotide-gated channel alpha-3, voltage-dependent L-type calcium channel subunit alpha-1F, voltage-dependent L-type calcium channel subunit alpha-1D, potassium voltage-gated channel subfamily A member 5, cyclic nucleotide-gated channel alpha-1, cyclic nucleotide-gated channel beta-3, cyclic nucleotide-gated channel alpha-2, potassium voltage-gated channel subfamily A member 2, voltage-gated potassium channel KCNC1, voltage-dependent L-type calcium channel subunit alpha-1C, and potassium voltage-gated channel subfamily A member 7.
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Commercial
Therapeutic Areas
Therapeutic Area | MeSH |
|---|---|
| cardiovascular diseases | D002318 |
| signs and symptoms pathological conditions | D013568 |
Trade Name
FDA
EMA
Cardizem, Cartia, Diltiazem, Tiazac (discontinued: Cardizem, Dilacor, Dilt-cd, Diltiazem, Diltzac, Taztia, Tiamate)
Drug Products
FDA
EMA
New Drug Application (NDA)
New Drug Application (NDA)
Abbreviated New Drug Application (ANDA)
Abbreviated New Drug Application (ANDA)
Diltiazem hydrochloride
Tradename | Company | Number | Date | Products |
|---|---|---|---|---|
| CARDIZEM | Bausch Health Companies | N-018602 RX | 1982-11-05 | 4 products, RLD |
| CARDIZEM CD | Bausch Health Companies | N-020062 RX | 1991-12-27 | 5 products, RLD |
| CARDIZEM LA | Bausch Health Companies | N-021392 RX | 2003-02-06 | 6 products, RLD, RS |
| TIAZAC | Bausch Health Companies | N-020401 RX | 1995-09-11 | 6 products, RLD |
| DILTIAZEM HYDROCHLORIDE IN 0.72% SODIUM CHLORIDE | HQ Specialty Pharma | N-218038 RX | 2025-02-21 | 2 products, RLD, RS |
Show 6 discontinued
Diltiazem malate
Tradename | Company | Number | Date | Products |
|---|---|---|---|---|
| TIAMATE | Merck & Co | N-020506 DISCN | 1996-10-04 | 3 products |
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Diltiazem malate
+
Enalapril maleate
Tradename | Company | Number | Date | Products |
|---|---|---|---|---|
| TECZEM | Bausch Health Companies | N-020507 DISCN | 1996-10-04 | 1 products |
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Labels
FDA
EMA
Brand Name | Status | Last Update |
|---|---|---|
| cardizem | New Drug Application | 2025-04-30 |
| cardizem cd | New Drug Application | 2025-05-01 |
| cardizem la | New Drug Application | 2025-05-01 |
| cartia | ANDA | 2025-06-02 |
| cartia xt | ANDA | 2025-01-22 |
| cartia xt | 2008-09-08 | |
| dilt-xr | 2007-03-31 | |
| diltiazem hci | ANDA | 2024-03-08 |
| diltiazem hcl | unapproved drug other | 2015-01-12 |
| diltiazem hcl cd | New Drug Application | 2023-06-08 |
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Indications
FDA
EMA
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Agency Specific
FDA
EMA
No data
Patent Expiration
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ATC Codes
C: Cardiovascular system drugs
— C05: Vasoprotectives
— C05A: Agents for treatment of hemorrhoids and anal fissures for topical use
— C05AE: Muscle relaxants for treatment of hemorrhoids and anal fissures for topical use
— C05AE03: Diltiazem
— C08: Calcium channel blockers
— C08D: Selective calcium channel blockers with direct cardiac effects
— C08DB: Benzothiazepine derivative selective calcium channel blockers with direct cardiac effects
— C08DB01: Diltiazem
HCPCS
No data
Clinical
Clinical Trials
128 clinical trials
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Indications Phases 4
No data
Indications Phases 3
Indication | MeSH | Ontology | ICD-10 | Ph 1 | Ph 2 | Ph 3 | Ph 4 | Other | Total |
|---|---|---|---|---|---|---|---|---|---|
| Kidney diseases | D007674 | EFO_0003086 | N08 | — | — | 1 | — | — | 1 |
| Polycystic kidney diseases | D007690 | — | Q61.3 | — | — | 1 | — | — | 1 |
Indications Phases 2
No data
Indications Phases 1
Indication | MeSH | Ontology | ICD-10 | Ph 1 | Ph 2 | Ph 3 | Ph 4 | Other | Total |
|---|---|---|---|---|---|---|---|---|---|
| Healthy volunteers/patients | — | — | — | 4 | — | — | — | — | 4 |
| Hypertension | D006973 | EFO_0000537 | I10 | 1 | — | — | — | — | 1 |
| Hepatitis c | D006526 | — | B19.2 | 1 | — | — | — | — | 1 |
| Prostatic neoplasms | D011471 | — | C61 | 1 | — | — | — | — | 1 |
| Pain | D010146 | EFO_0003843 | R52 | 1 | — | — | — | — | 1 |
Indications Without Phase
No data
Epidemiology
Epidemiological information for investigational and approved indications
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Drug
General
| Drug common name | Diltiazem |
| INN | diltiazem |
| Description | Diltiazem is a 5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate in which both stereocentres have S configuration. A calcium-channel blocker and vasodilator, it is used as the hydrochloride in the management of angina pectoris and hypertension. It has a role as a calcium channel blocker, a vasodilator agent and an antihypertensive agent. It is a conjugate base of a diltiazem(1+). It is an enantiomer of an ent-diltiazem. |
| Classification | Small molecule |
| Drug class | calcium channel blockers (diltiazem type) |
| Image (chem structure or protein) |  |
| Structure (InChI/SMILES or Protein Sequence) | COc1ccc([C@@H]2Sc3ccccc3N(CCN(C)C)C(=O)[C@@H]2OC(C)=O)cc1 |
Identifiers
| PDB | — |
| CAS-ID | 42399-41-7 |
| RxCUI | — |
| ChEMBL ID | CHEMBL23 |
| ChEBI ID | 101278 |
| PubChem CID | 39186 |
| DrugBank | DB00343 |
| UNII ID | EE92BBP03H (ChemIDplus, GSRS) |
Target
Agency Approved
No data
Alternate
CNGA3
CNGA3
CNGA1
CNGA1
CNGB3
CNGB3
CNGA2
CNGA2
Organism
Homo sapiens
Gene name
CNGA3
Gene synonyms
CNCG3
NCBI Gene ID
Protein name
cyclic nucleotide-gated cation channel alpha-3
Protein synonyms
CNG channel alpha-3, CNG-3, CNG3, cone photoreceptor cGMP-gated channel alpha subunit, Cone photoreceptor cGMP-gated channel subunit alpha, cyclic nucleotide gated channel alpha 3, Cyclic nucleotide-gated channel alpha-3
Uniprot ID
Mouse ortholog
Cnga3 (12790)
cyclic nucleotide-gated cation channel alpha-3 (Q9WV01)
Variants
No data
Financial
Revenue by drug
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Estimated US medical usage
Diltiazem
Total medical expenditures per year (USD, in millions)
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Diltiazem
+
Enalapril
Total medical expenditures per year (USD, in millions)
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Number of persons purchased
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Number of purchases
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Refill frequency
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Trends
PubMed Central
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Additional graphs summarizing 16,220 documents
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Safety
Black-box Warning
No Black-box warning
Adverse Events
Top Adverse Reactions
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22,274 adverse events reported
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