Osimertinib

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Osimertinib
Osimertinib.svg
Systematic (IUPAC) name
N-(2-{2-dimethylaminoethyl-methylamino}-4-methoxy-5-{[4-(1-methylindol-3-yl)pyrimidin-2-yl]amino}phenyl)prop-2-enamide
Clinical data
Trade names Tagrisso
AHFS/Drugs.com entry
Legal status
Routes of
administration
Oral tablets
Pharmacokinetic data
Protein binding Probably high[1]
Metabolism Oxidation (CYP3A)
Biological half-life 48 hours
Excretion Feces (68%), urine (14%)
Identifiers
CAS Number 1421373-65-0
PubChem CID: 71496458
DrugBank DB09330
ChemSpider 31042598
UNII 3C06JJ0Z2O
KEGG D10766
ChEBI CHEBI:90943 YesY
Chemical data
Formula C28H33N7O2
Molecular mass 499.62 g·mol−1
  • CN1C=C(C2=CC=CC=C21)C3=NC(=NC=C3)NC4=C(C=C(C(=C4)NC(=O)C=C)N(C)CCN(C)C)OC
  • InChI=1S/C28H33N7O2/c1-7-27(36)30-22-16-23(26(37-6)17-25(22)34(4)15-14-33(2)3)32-28-29-13-12-21(31-28)20-18-35(5)24-11-9-8-10-19(20)24/h7-13,16-18H,1,14-15H2,2-6H3,(H,30,36)(H,29,31,32)
  • Key:DUYJMQONPNNFPI-UHFFFAOYSA-N

Osimertinib (previously known as mereletinib[2] and AZD9291; trade name Tagrisso) is a third-generation epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI) drug[3][4] developed by AstraZeneca Pharmaceuticals - for mutated EGFR cancers.

Approvals and indications

In November 2015, after a Priority Review, the US FDA granted accelerated approval to osimertinib for the treatment of metastatic epidermal growth factor receptor (EGFR) T790M mutation-positive non-small cell lung cancer (NSCLC), as detected by an FDA-approved test, which has progressed on or after EGFR tyrosine kinase inhibitor (TKI) therapy.[5][6]

The FDA approval made reference to two clinical trials, in which an EGFR T790M mutation was confirmed by a Cobas EGFR mutation test; osimertinib was given as 80 mg once daily.[1][7]

The EU gave a similar approval in Feb 2016[8] after two Phase II studies (AURA extension and AURA2).

Clinical trials

First-line use

Osimertinib has also given encouraging results in early trials as a first-line therapy.[9]

References

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  5. U.S. Food and Drug Administration. Hematology/Oncology (Cancer) Approvals & Safety Notifications. [1]
  6. Lua error in package.lua at line 80: module 'strict' not found.
  7. U.S. Food and Drug Administration. "Osimertinib". [2]
  8. TAGRISSO™ (OSIMERTINIB) APPROVED IN EU AS FIRST-IN-CLASS TREATMENT FOR PATIENTS WITH EGFR T790M MUTATION-POSITIVE METASTATIC NON-SMALL CELL LUNG CANCER
  9. First-Line Osimertinib Yields Nearly 80% Response in Advanced Lung Cancer. April 2016


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