Lapatinib

CHEMBL554 Phase 4 Approuvé Small molecule
Half-Life
Bioavailability
Protein Binding
Molecular Weight
581.1 g/mol
LogP
5.1
Phase
4

A targeted cancer therapy that inhibits both HER2 and EGFR tyrosine kinases, used to treat HER2-positive breast cancer and studied in bladder cancer. It blocks the signaling pathways that drive cancer cell growth and proliferation.

Masse moléculaire

581,1000 g/mol

LogP

5,10

TPSA

115,00 Ų

Règle des 5 de Lipinski

Non conforme

Aires thérapeutiques

Mécanisme d'action

Targets the HER2 (ErbB2) receptor tyrosine kinase, blocking HER2-mediated signaling that drives proliferation in HER2-overexpressing cancer cells.

Pharmacokinetics (PK)

Pharmacodynamics (PD)

Mécanisme

Targets the HER2 (ErbB2) receptor tyrosine kinase, blocking HER2-mediated signaling that drives proliferation in HER2-overexpressing cancer cells.

Structure 2D

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SMILES

CS(=O)(=O)CCNCc1ccc(-c2ccc3ncnc(Nc4ccc(OCc5cccc(F)c5)c(Cl)c4)c3c2)o1

InChI

InChI=1S/C29H26ClFN4O4S/c1-40(36,37)12-11-32-16-23-7-10-27(39-23)20-5-8-26-24(14-20)29(34-18-33-26)35-22-6-9-28(25(30)15-22)38-17-19-3-2-4-21(31)13-19/h2-10,13-15,18,32H,11-12,16-17H2,1H3,(H,33,34,35)

Molecular Formula

C29H26ClFN4O4S

HBD / HBA

2 / 9

Liaisons Rotatives

11

Atomes Lourds

40

No targets recorded

Target interaction data is not yet available for this drug.

No interactions recorded

Drug interaction data is not yet available for this compound.

No side effects recorded

Side effect data is not yet available for this drug.

Foire aux questions

A targeted cancer therapy that inhibits both HER2 and EGFR tyrosine kinases, used to treat HER2-positive breast cancer and studied in bladder cancer. It blocks the signaling pathways that drive cancer cell growth and proliferation.

Targets the HER2 (ErbB2) receptor tyrosine kinase, blocking HER2-mediated signaling that drives proliferation in HER2-overexpressing cancer cells.

Yes, Lapatinib is an approved drug. It has reached clinical phase 4. It is classified as a Small molecule.

{# References & Data Sources section for drug detail pages. Renders standard pharmacological database links plus the drug's data_sources field. #}

References & Data Sources

  • ChEMBL — European Bioinformatics Institute (EBI). CHEMBL554. Open-access bioactivity database.
  • PubChem — National Center for Biotechnology Information (NCBI). CID 208908. Chemical information database.

Data aggregated from publicly available pharmacological databases. Last updated 2026-03-04.

Avertissement médical

This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making medication decisions.

Data sources: ChEMBL, PubChem, DailyMed.