Felodipine
Dihydropyridine Calcium Channel Blocker — CARDIOVASCULAR SYSTEM
Also known as: (+/-)-Felodipine, (RS)-Felodipine, dl-Felodipine, flodil
Data last refreshed: (DrugCentral release 2024-11-01)
Key facts
Felodipine is an ofp drug in the Dihydropyridine Calcium Channel Blocker class catalogued in DrugCentral. It was first approved by the FDA in 1991. Its mechanism of action is classified as Calcium Channel Antagonists. DrugCentral lists 9 molecular targets, including CFTR, AOX1 and ADORA3. Recorded indications include Hypertensive disorder.
- Approval status: ofp (first approved 1991 by the FDA).
- Drug class: Dihydropyridine Calcium Channel Blocker.
- Mechanism of action: Calcium Channel Antagonists.
- Molecular targets: CFTR, AOX1, ADORA3 and CYP2C9 (9 listed in DrugCentral).
- Indications: Hypertensive disorder.
- ATC code: C07FB02 (Beta blocking agents and calcium channel blockers).
- Molecular formula: C18H19Cl2NO4; molecular weight 384.25 g/mol.
Indications & contraindications
Drug–disease relationships curated by DrugCentral (OMOP / SNOMED concepts).
Indications (1)
- Hypertensive disorder
Off-label uses (3)
- Angina pectoris
- Prinzmetal angina
- Raynaud's phenomenon
Contraindications (23)
- Acute cerebrovascular insufficiency
- Angioedema
- Aortic valve stenosis
- Bone marrow depression
- Chronic heart failure
- Chronic idiopathic constipation
- Coronary arteriosclerosis
- Disease of liver
- Disorder of connective tissue
- Hemodialysis with High-Flux Membrane
- Hereditary angioneurotic edema
- Hyperkalemia
- Hypertrophic cardiomyopathy
- Hyponatremia
- Immunosuppression
- Kidney disease
- Low blood pressure
- Myocardial infarction
- Neutropenic disorder
- Peripheral edema
- Pregnancy, function
- Renal artery stenosis
- Transplantation
Mechanism & targets
| Mechanism of action (MoA) | Calcium Channel Antagonists |
|---|---|
| Established pharmacologic class | Dihydropyridine Calcium Channel Blocker |
Molecular targets (9)
| Target | Gene | Action | Activity |
|---|---|---|---|
| Cystic fibrosis transmembrane conductance regulator | CFTR | activator | Ki 8.40 |
| Aldehyde oxidase | AOX1 | unknown | IC50 6.52 |
| Adenosine receptor A3 | ADORA3 | unknown | Ki 6.22 |
| Cytochrome P450 2C9 | CYP2C9 | unknown | IC50 5.34 |
| Bile acid receptor | NR1H4 | unknown | IC50 5.30 |
| Voltage-dependent T-type calcium channel subunit alpha-1H | CACNA1H | unknown | Ki 5.17 |
| Sodium channel alpha subunits; brain (Types I, II, III) | SCN1A|SCN2A|SCN3A | unknown | IC50 4.43 |
| Voltage-dependent L-type calcium channel subunit alpha-1C | CACNA1C | blocker | — |
| Voltage-dependent L-type calcium channel subunit alpha-1D | CACNA1D | blocker | — |
Regulatory approvals (1)
| Date | Agency | Marketed as | Applicant | Orphan |
|---|---|---|---|---|
| 1991-07-25 | FDA | — | ASTRAZENECA |
ATC classification
| ATC code | Therapeutic hierarchy |
|---|---|
C07FB02 | CARDIOVASCULAR SYSTEM › BETA BLOCKING AGENTS › BETA BLOCKING AGENTS, OTHER COMBINATIONS › Beta blocking agents and calcium channel blockers |
C08CA02 | CARDIOVASCULAR SYSTEM › CALCIUM CHANNEL BLOCKERS › SELECTIVE CALCIUM CHANNEL BLOCKERS WITH MAINLY VASCULAR EFFECTS › Dihydropyridine derivatives |
C09BB05 | CARDIOVASCULAR SYSTEM › AGENTS ACTING ON THE RENIN-ANGIOTENSIN SYSTEM › ACE INHIBITORS, COMBINATIONS › ACE inhibitors and calcium channel blockers |
Reported adverse-event signals
Strongest FDA FAERS disproportionality signals (log-likelihood ratio). A signal is a statistical association in spontaneous reports, not proof that the drug causes the event.
| MedDRA term | LLR |
|---|---|
| Cardiospasm | 746.1 |
| Palmoplantar keratoderma | 717.5 |
| Pruritus genital | 678.1 |
| Sleep terror | 658.3 |
| Carotid artery occlusion | 623.3 |
| Tension headache | 612.6 |
| Atrial tachycardia | 610.2 |
| Tinnitus | 559.2 |
| Anosmia | 537.7 |
| Facial pain | 508.2 |
| Immunisation | 479.5 |
| Pain of skin | 466.8 |
Chemical structure
Full physicochemical, ADMET and 3D-structure analysis of Felodipine is on its molecule page.
| Molecular formula | C18H19Cl2NO4 |
|---|---|
| Molecular weight | 384.25 g/mol |
| CAS number | 72509-76-3 |
| InChIKey | RZTAMFZIAATZDJ-UHFFFAOYSA-N |
| PubChem CID | 3333 |
Frequently asked questions
Answers are generated from the structured data on this page, not written by hand.
What is Felodipine used for?
DrugCentral lists the following indications for Felodipine: Hypertensive disorder.
How does Felodipine work?
Felodipine is classified as Calcium Channel Antagonists; its molecular targets in DrugCentral include CFTR (activator), AOX1, ADORA3 and CYP2C9.
When was Felodipine first approved?
Felodipine was first approved by the FDA in 1991.
What drug class does Felodipine belong to?
Felodipine is in the Dihydropyridine Calcium Channel Blocker class.
What is the chemical formula of Felodipine?
Felodipine has the molecular formula C18H19Cl2NO4 and a molecular weight of 384.25 g/mol.
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Sources
- DrugCentral drug card 1142 — structure, indications, targets, approvals, pharmacologic classes (CC BY-SA 4.0)
- ChEMBL CHEMBL1480 — compound record and bioactivity
- PubChem CID 3333 — chemical identifiers
- DrugBank DB01023 — drug record
- FDA UNII OL961R6O2C — substance identity
- DailyMed: FDA labels for Felodipine — current prescribing information (label search)
- UniProt P13569 (CFTR) — target protein
- UniProt Q06278 (AOX1) — target protein
- UniProt P0DMS8 (ADORA3) — target protein
- UniProt P11712 (CYP2C9) — target protein
- UniProt Q96RI1 (NR1H4) — target protein
- UniProt O95180 (CACNA1H) — target protein
- FDA Adverse Event Reporting System (openFDA FAERS) — adverse-event signals, as aggregated by DrugCentral
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