In vitro: BIBW2992 is more effective than erlotinib, gefitinib, or lapatinib in inhibiting survival of lung cancer cell lines harboring wild-type (H1666) or L858R/T790M (NCI-H1975) EGFR. BIBW2992 is similarly effective against NSCLC lines expressing HER2 776insV (NCI-H1781) or EGFR E746_A750del (HCC827), but shows no activity toward A549 cells, which express wild-type EGFR and HER2. Afatinib enhances cytotoxicity of topotecan and mitoxantrone to SP cells, and increases the apoptosis induced by topotecan and mitoxantrone in SP cells. In vivo: In the MDA-MB-453 xenograft model, BIBW2992 (20 mg/kg, p.o.) results in dramatic tumor regression with a cumulative treated/control tumor volume ratio (T/C ratio) of 2%, and downregulation of EGFR and AKT phosphorylation. In A7, A431, FaDu, UT-SCC-14 and UT-SCC-15 xenograft models, application of BIBW 2992 (30 mg/kg, p.o.) leads to a significant prolongation of tumour growth time. In HER2-amplified xenograft medel, Afatinib (30 mg/kg, p.o.) results a markedly inhibition in tumor growth and a significant improvement in the duration of overall survival. In HER2-positive gastric cancer NCI-N87 xenograft, afatinib (25 mg/kg, p.o.) leads to dramatic tumor volume regression within 4 d and near-complete tumor resolution after 21 d of treatment.
Theranostics. 2020 Aug 29;10(24):10925-10939.
Targeting positive feedback between BASP1 and EGFR as a therapeutic strategy for lung cancer progression
Afatinib dimaleate purchased from AbMole
J Virol. 2020 Feb 14;94(5):e01791-19.
Targeting Kaposi's Sarcoma-Associated Herpesvirus ORF21 Tyrosine Kinase and Viral Lytic Reactivation by Tyrosine Kinase Inhibitors Approved for Clinical Use
Afatinib dimaleate purchased from AbMole
FASEB J. 2018 May 29;fj201800011R.
Resistance to gefitinib and cross-resistance to irreversible EGFR-TKIs mediated by disruption of the Keap1-Nrf2 pathway in human lung cancer cells
Afatinib dimaleate purchased from AbMole
Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
Molecular Weight | 717.18 |
Formula | C24H25ClFN5O3.2C4H4O4 |
CAS Number | 850140-73-7 |
Purity | 100.00% |
Solubility | 80 mg/mL in DMSO |
Storage | at -20°C |
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