Ticlopidine
Platelet Aggregation Inhibitor — BLOOD AND BLOOD FORMING ORGANS
Also known as: ticlid, ticlop, ticlopidine HCl, ticlopidine hydrochloride, tiklyd
Data last refreshed: (DrugCentral release 2024-11-01)
Key facts
Ticlopidine is an ofm drug in the Platelet Aggregation Inhibitor class catalogued in DrugCentral. It was first approved by the FDA in 1991. DrugCentral lists 14 molecular targets, including ADRA2B, ADRA2A and ADRA2C. Recorded indications include Cerebrovascular Occlusion, Percutaneous coronary intervention, Prevention of Cerebral Thrombosis and Subacute Stent Thrombosis Prevention.
- Approval status: ofm (first approved 1991 by the FDA).
- Drug class: Platelet Aggregation Inhibitor.
- Molecular targets: ADRA2B, ADRA2A, ADRA2C and SIGMAR1 (14 listed in DrugCentral).
- Indications: Cerebrovascular Occlusion, Percutaneous coronary intervention, Prevention of Cerebral Thrombosis and Subacute Stent Thrombosis Prevention.
- ATC code: B01AC05 (Platelet aggregation inhibitors excl. heparin).
- Molecular formula: C14H14ClNS; molecular weight 263.78 g/mol.
Indications & contraindications
Drug–disease relationships curated by DrugCentral (OMOP / SNOMED concepts).
Indications (4)
- Cerebrovascular Occlusion
- Percutaneous coronary intervention
- Prevention of Cerebral Thrombosis
- Subacute Stent Thrombosis Prevention
Contraindications (18)
- Acute nephropathy
- Arterial aneurysm
- Ascorbic acid deficiency
- Bleeding
- Blood coagulation disorder
- Cerebral hemorrhage
- Congenital hypoplastic anemia
- Gastrointestinal hemorrhage
- Gastrointestinal ulcer
- Hyperlipidemia
- Leukemia, disease
- Lumbar puncture
- Neutropenic disorder
- Obstruction of bile duct
- Procedure on central nervous system
- Surgical procedure
- Thrombocytopenic disorder
- Thrombotic thrombocytopenic purpura
Mechanism & targets
| Established pharmacologic class | Platelet Aggregation Inhibitor |
|---|
Molecular targets (14)
| Target | Gene | Action | Activity |
|---|---|---|---|
| Alpha-2B adrenergic receptor | ADRA2B | unknown | Ki 6.86 |
| Alpha-2A adrenergic receptor | ADRA2A | unknown | Ki 6.84 |
| Alpha-2C adrenergic receptor | ADRA2C | unknown | Ki 6.77 |
| Sigma non-opioid intracellular receptor 1 | SIGMAR1 | unknown | Ki 6.75 |
| Cytochrome P450 2A6 | CYP2A6 | unknown | Ki 6.70 |
| Cytochrome P450 2B6 | CYP2B6 | inhibitor | IC50 6.70 |
| Cytochrome P450 2C19 | CYP2C19 | unknown | IC50 6.17 |
| Membrane-associated progesterone receptor component 1 | Pgrmc1 | unknown | Ki 5.70 |
| Cytochrome P450 2D6 | CYP2D6 | unknown | IC50 5.20 |
| Prostaglandin G/H synthase 2 | PTGS2 | unknown | IC50 4.33 |
| Bile salt export pump | Abcb11 | unknown | IC50 4.31 |
| Prostaglandin G/H synthase 1 | PTGS1 | unknown | IC50 4.28 |
| Bile salt export pump | ABCB11 | unknown | IC50 4.13 |
| P2Y purinoceptor 12 | P2RY12 | antagonist | — |
Regulatory approvals (1)
| Date | Agency | Marketed as | Applicant | Orphan |
|---|---|---|---|---|
| 1991-10-31 | FDA | — | — |
ATC classification
| ATC code | Therapeutic hierarchy |
|---|---|
B01AC05 | BLOOD AND BLOOD FORMING ORGANS › ANTITHROMBOTIC AGENTS › ANTITHROMBOTIC AGENTS › Platelet aggregation inhibitors excl. heparin |
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 |
|---|---|
| Drug interaction | 140.0 |
| Sopor | 138.6 |
| Melaena | 82.0 |
| Anaemia | 65.3 |
| Cerebral haemorrhage | 63.5 |
| Intentional self-injury | 61.3 |
| Hyperkalaemia | 61.1 |
| Hyponatraemic syndrome | 57.0 |
| Hyponatraemia | 56.7 |
| Drug abuse | 50.1 |
| Slow speech | 49.0 |
| Labelled drug-drug interaction medication error | 47.2 |
Chemical structure
Full physicochemical, ADMET and 3D-structure analysis of Ticlopidine is on its molecule page.
| Molecular formula | C14H14ClNS |
|---|---|
| Molecular weight | 263.78 g/mol |
| CAS number | 55142-85-3 |
| InChIKey | PHWBOXQYWZNQIN-UHFFFAOYSA-N |
| PubChem CID | 5472 |
Frequently asked questions
Answers are generated from the structured data on this page, not written by hand.
What is Ticlopidine used for?
DrugCentral lists the following indications for Ticlopidine: Cerebrovascular Occlusion, Percutaneous coronary intervention, Prevention of Cerebral Thrombosis and Subacute Stent Thrombosis Prevention.
How does Ticlopidine work?
Its molecular targets in DrugCentral include ADRA2B, ADRA2A, ADRA2C and SIGMAR1.
When was Ticlopidine first approved?
Ticlopidine was first approved by the FDA in 1991.
What drug class does Ticlopidine belong to?
Ticlopidine is in the Platelet Aggregation Inhibitor class.
What is the chemical formula of Ticlopidine?
Ticlopidine has the molecular formula C14H14ClNS and a molecular weight of 263.78 g/mol.
Browse: all drugs starting with T · drug guides by category · protein targets A–Z.
Sources
- DrugCentral drug card 2657 — structure, indications, targets, approvals, pharmacologic classes (CC BY-SA 4.0)
- ChEMBL CHEMBL1717 — compound record and bioactivity
- PubChem CID 5472 — chemical identifiers
- DrugBank DB00208 — drug record
- FDA UNII OM90ZUW7M1 — substance identity
- DailyMed: FDA labels for Ticlopidine — current prescribing information (label search)
- UniProt P18089 (ADRA2B) — target protein
- UniProt P08913 (ADRA2A) — target protein
- UniProt P18825 (ADRA2C) — target protein
- UniProt Q99720 (SIGMAR1) — target protein
- UniProt P11509 (CYP2A6) — target protein
- UniProt P20813 (CYP2B6) — target protein
- FDA Adverse Event Reporting System (openFDA FAERS) — adverse-event signals, as aggregated by DrugCentral
How this page is built: methodology · editorial policy & corrections.
For research and educational use only — not medical advice. This page is compiled automatically from public databases. It is not written or reviewed by a clinician. Do not start, stop or change any treatment based on it; consult a qualified healthcare professional. Spotted an error? See our corrections policy or email hello@molforge.ai.