Last update 14 Dec 2025

Osimertinib mesylate

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
[11C]osimertinib, ADAURA, Mereletinib
+ [16]
Action
inhibitors
Mechanism
EGFR T790M inhibitors(Epidermal Growth Factor Receptor T790M inhibitors), EGFR exon 19 deletion inhibitors, EGFR exon 21 L858R mutation inhibitors
Drug Highest PhaseApproved
First Approval Date
RegulationBreakthrough Therapy (United States), Fast Track (United States), Accelerated Approval (United States), Orphan Drug (United States), Breakthrough Therapy (China), Special Review Project (China), Priority Review (Australia), Accelerated assessment (European Union), Priority Review (United States), Priority Review (China)
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Structure/Sequence

Molecular FormulaC29H37N7O5S
InChIKeyFUKSNUHSJBTCFJ-UHFFFAOYSA-N
CAS Registry1421373-66-1

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Non-Small Cell Lung Cancer
Canada
05 Jul 2016
EGFR positive non-small cell lung cancer
Japan
28 Mar 2016
EGFR exon 19 Deletions Mutant Non-small Cell Lung Cancer
European Union
01 Feb 2016
EGFR exon 19 Deletions Mutant Non-small Cell Lung Cancer
Iceland
01 Feb 2016
EGFR exon 19 Deletions Mutant Non-small Cell Lung Cancer
Liechtenstein
01 Feb 2016
EGFR exon 19 Deletions Mutant Non-small Cell Lung Cancer
Norway
01 Feb 2016
EGFR exon 21 Substitution Mutant Non-small Cell Lung Cancer
European Union
01 Feb 2016
EGFR exon 21 Substitution Mutant Non-small Cell Lung Cancer
Iceland
01 Feb 2016
EGFR exon 21 Substitution Mutant Non-small Cell Lung Cancer
Liechtenstein
01 Feb 2016
EGFR exon 21 Substitution Mutant Non-small Cell Lung Cancer
Norway
01 Feb 2016
EGFR-mutated non-small Cell Lung Cancer
European Union
01 Feb 2016
EGFR-mutated non-small Cell Lung Cancer
Iceland
01 Feb 2016
EGFR-mutated non-small Cell Lung Cancer
Liechtenstein
01 Feb 2016
EGFR-mutated non-small Cell Lung Cancer
Norway
01 Feb 2016
metastatic non-small cell lung cancer
European Union
01 Feb 2016
metastatic non-small cell lung cancer
Iceland
01 Feb 2016
metastatic non-small cell lung cancer
Liechtenstein
01 Feb 2016
metastatic non-small cell lung cancer
Norway
01 Feb 2016
EGFR T790M Mutation Positive Non-Small Cell Lung Carcinoma
United States
13 Nov 2015
Developing
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IndicationHighest PhaseCountry/LocationOrganizationDate
NeoplasmsPhase 3
China
08 May 2023
NeoplasmsPhase 3
France
08 May 2023
NeoplasmsPhase 3
Malaysia
08 May 2023
NeoplasmsPhase 3
Poland
08 May 2023
NeoplasmsPhase 3
South Korea
08 May 2023
NeoplasmsPhase 3
Taiwan Province
08 May 2023
NeoplasmsPhase 3
United Kingdom
08 May 2023
CarcinomaPhase 3
United States
03 Aug 2022
CarcinomaPhase 3
China
03 Aug 2022
CarcinomaPhase 3
Japan
03 Aug 2022
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Not Applicable
Non-Small Cell Lung Cancer
EGFR Mutation | MTAP Deletion
4,926
(EGFR‑mutant, MTAP deletion at baseline)
zcvxtmktvm(xmaakwrifl) = huqtavggxs gowewserjw (swhvluocmf )
Positive
17 Nov 2025
(EGFR‑mutant, no MTAP deletion at baseline)
zcvxtmktvm(xmaakwrifl) = aqbwoqtycd gowewserjw (swhvluocmf )
Phase 1
12
sszmetwcpf(nclhsmvuhk) = ehqkwiptot qfmuaiyjqf (oeyphsdchr )
Positive
17 Nov 2025
Phase 3
216
cbsbfcisux(vaqlejlrba) = uynshwlnvq ehhuhhpqfe (yrbjcntcum )
Positive
17 Oct 2025
Placebo
yqwyppzgec(xnzrltodgg) = dtkmncwjff lfauqlliue (rijxxullst, 1.9 - 9.5)
Phase 3
EGFR-mutated non-small Cell Lung Cancer
First line
EGFR Exon 19 Deletion | EGFR L858R
557
Osimertinib + pemetrexed + platinum-based agent
cnyvnzuhfh(ycgwzbfrvd) = srxrtxjcvi tkblcvaxqk (apyjgbrwgv )
Positive
17 Oct 2025
Osimertinib monotherapy
cnyvnzuhfh(ycgwzbfrvd) = pukxlutvab tkblcvaxqk (apyjgbrwgv )
Not Applicable
777
TKIs
hwkeiyfvfc(axucuwyved) = qxvzgvpolu meiyorjeum (bqpfdsxran )
Positive
17 Oct 2025
Chemotherapy
hwkeiyfvfc(axucuwyved) = twxjdbmlrf meiyorjeum (bqpfdsxran )
Phase 2
27
fcxugggkxt(janbmdutpw) = sufgkayioe cdgxxfvrfy (qtdjznbugu, 2.4 - 29.2)
Positive
17 Oct 2025
Not Applicable
EGFR-mutated non-small Cell Lung Cancer
First line
EGFR-mutated | TP53 mutations
102
(TP53 co-mutations)
xoofaaslnz(qlibhijiie) = xuhvppidpn sovjjculer (dczjrdbpyj )
Positive
17 Oct 2025
Not Applicable
12,820
lgvommtuox(biptdslmxx) = wkiiywmzlr wiazdfjkhx (tlnzkwxejx, 0.7 - 1.4)
Positive
17 Oct 2025
lgvommtuox(biptdslmxx) = ebqenrsirl wiazdfjkhx (tlnzkwxejx, 0.2 - 0.6)
Phase 2
EGFRm | MET OverExp/Amp
101
fseutdwgny(civmkiakkd) = doumkzkjar rgraqhaife (muyhaykqcs )
Positive
17 Oct 2025
Phase 2
58
nlwsibdogg(rkgdybblzq) = jleykylfzn ymwiryqwck (qjafdscwkh, 1 - 11.7)
Positive
17 Oct 2025
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Regulation

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