Terfenadine
Terfenadine is a small molecule pharmaceutical. It is currently being investigated in clinical studies. The pharmaceutical is active against histamine H1 receptor. In addition, it is known to target voltage-gated inwardly rectifying potassium channel KCNH2; potassium voltage-gated channel subfamily H member 2, voltage-gated delayed rectifier potassium channel KCNH1; potassium voltage-gated channel subfamily H member 1, and cytochrome P450 2J2.
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Drug Products
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Labels
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EMA
Brand Name | Status | Last Update |
|---|---|---|
| 24/7 life allergy relief | C200263 | 2024-12-30 |
| allergy antihistamine | C200263 | 2024-01-10 |
| allergy relief antihistamine | C200263 | 2024-12-16 |
| allergy relief diphenhydramine hci 25 mg antihistamine | C200263 | 2024-11-20 |
| allergy relief diphenhydramine hci, 25 mg antihistamine | C200263 | 2024-11-20 |
| allergy relief diphenhydramine hcl 25 mg antihistamine | C200263 | 2024-11-20 |
| allergy relief diphenhydramine hcl, 25 mg antihistamine | C200263 | 2023-12-16 |
| allexpert 24hr antihistamine cetirizine hydrochloride oral solution | unapproved drug other | 2024-04-17 |
| childrens allergy relief | OTC monograph final | 2014-10-27 |
| circle k allergy | C200263 | 2023-12-14 |
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Indications
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Clinical
Clinical Trials
354 clinical trials
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Indications Phases 4
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Indications Phases 3
Indication | MeSH | Ontology | ICD-10 | Ph 1 | Ph 2 | Ph 3 | Ph 4 | Other | Total |
|---|---|---|---|---|---|---|---|---|---|
| Chronic urticaria | D000080223 | — | L50.8 | — | 1 | 3 | — | — | 4 |
| Multiple sclerosis | D009103 | EFO_0003885 | G35 | — | — | 1 | — | — | 1 |
| Relapsing-remitting multiple sclerosis | D020529 | EFO_0003929 | — | — | — | 1 | — | — | 1 |
| Chronic progressive multiple sclerosis | D020528 | EFO_0003840 | — | — | — | 1 | — | — | 1 |
| Sclerosis | D012598 | — | — | — | — | 1 | — | — | 1 |
| Non-hodgkin lymphoma | D008228 | — | C85.9 | — | — | 1 | — | — | 1 |
| Lymphoma | D008223 | — | C85.9 | — | — | 1 | — | — | 1 |
| Follicular lymphoma | D008224 | — | C82 | — | — | 1 | — | — | 1 |
Indications Phases 2
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Indications Phases 1
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Indications Without Phase
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Epidemiology
Epidemiological information for investigational and approved indications
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Drug
General
| Drug common name | Terfenadine |
| INN | terfenadine |
| Description | Terfenadine is a diarylmethane. |
| Classification | Small molecule |
| Drug class | — |
| Image (chem structure or protein) |  |
| Structure (InChI/SMILES or Protein Sequence) | CC(C)(C)c1ccc(C(O)CCCN2CCC(C(O)(c3ccccc3)c3ccccc3)CC2)cc1 |
Identifiers
| PDB | — |
| CAS-ID | 50679-08-8 |
| RxCUI | — |
| ChEMBL ID | CHEMBL17157 |
| ChEBI ID | 9453 |
| PubChem CID | 5405 |
| DrugBank | DB00342 |
| UNII ID | 7BA5G9Y06Q (ChemIDplus, GSRS) |
Target
Agency Approved
No data
Alternate
KCNH2
KCNH2
KCNH1
KCNH1
Organism
Homo sapiens
Gene name
KCNH2
Gene synonyms
ERG, ERG1, HERG
NCBI Gene ID
Protein name
potassium voltage-gated channel subfamily H member 2
Protein synonyms
Eag homolog, Eag-related protein 1, ERG-1, Ether-a-go-go-related gene potassium channel 1, ether-a-go-go-related potassium channel protein, Ether-a-go-go-related protein 1, H-ERG, hERG-1, hERG1, human ether-a-go-go-related, long QT syndrome type 2, potassium channel, voltage gated eag related subfamily H, member 2, potassium voltage-gated channel, subfamily H (eag-related), member 2, Voltage-gated potassium channel subunit Kv11.1
Uniprot ID
Mouse ortholog
Kcnh2 (16511)
potassium voltage-gated channel subfamily H member 2 (O35989)
Variants
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Estimated US medical usage
Terfenadine
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Pseudoephedrine
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Terfenadine
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Safety
Black-box Warning
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506 adverse events reported
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