Last update 02 Nov 2026

Alflutinib Mesylate

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Alflutinib, Firmonertinib, Firmonertinib Mesilate
+ [9]
Action
inhibitors
Mechanism
EGFR T790M inhibitors(Epidermal Growth Factor Receptor T790M inhibitors), EGFR exon 19 deletion inhibitors, EGFR exon 20 inhibitors(EGFR exon 20 Mutation inhibitors)
Inactive Organization-
Drug Highest PhaseApproved
First Approval Date
RegulationBreakthrough Therapy (United States), Orphan Drug (United States), Priority Review (China), Breakthrough Therapy (China), Conditional marketing approval (China)
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Structure/Sequence

Molecular FormulaC29H35F3N8O5S
InChIKeyWDPGHXINXNBHAS-UHFFFAOYSA-N
CAS Registry2130958-55-1

External Link

KEGGWikiATCDrug Bank
D12956-

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
EGFR ex20ins mutation in non-small cell lung cancer
China
02 Feb 2026
EGFR exon 19 Deletions Mutant Non-small Cell Lung Cancer
China
28 Jun 2022
EGFR exon 21 Substitution Mutant Non-small Cell Lung Cancer
China
28 Jun 2022
EGFR T790M Mutation Positive Non-Small Cell Lung Carcinoma
China
03 Mar 2021
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Advanced Lung Non-Small Cell CarcinomaPhase 3
United States
17 Dec 2025
Advanced Lung Non-Small Cell CarcinomaPhase 3
China
17 Dec 2025
Advanced Lung Non-Small Cell CarcinomaPhase 3
Japan
17 Dec 2025
Advanced Lung Non-Small Cell CarcinomaPhase 3
Australia
17 Dec 2025
Advanced Lung Non-Small Cell CarcinomaPhase 3
Canada
17 Dec 2025
Advanced Lung Non-Small Cell CarcinomaPhase 3
France
17 Dec 2025
Advanced Lung Non-Small Cell CarcinomaPhase 3
Greece
17 Dec 2025
Advanced Lung Non-Small Cell CarcinomaPhase 3
Hong Kong
17 Dec 2025
Advanced Lung Non-Small Cell CarcinomaPhase 3
Italy
17 Dec 2025
Advanced Lung Non-Small Cell CarcinomaPhase 3
Malaysia
17 Dec 2025
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 1
Non-Small Cell Lung Cancer
First line
EGFR PACC mutations
44
gtdpdtwmem(fpdattdwqu) = oihkyafkst iszoznexjb (arequdxovs )
Positive
23 Oct 2026
(detectable EGFR PACC mutation at baseline)
gtdpdtwmem(krctysisut) = krlilislfd vchjoygimy (ioeyfjlchp )
Phase 2
53
gbyvqqxlsf(vwegmzmefk) = gfgmpfdssp jpejmzyyqx (rgetaubxqz, 12.3 - 19.7)
Positive
23 Oct 2026
Phase 2
54
pnbzfoqiga(dcueiqmmho) = rash (n=3), pruritus (n=1), oral ulcer (n=2), and pruritus with decreased white blood cell count (n=1) igggwngqnj (uhpgprkpom )
Positive
23 Oct 2026
Phase 2
75
gmvazotklf(eadqylyqle) = nlpculldaw aafsmfdtht (hrbfnjusba )
Positive
23 Oct 2026
Phase 2
Non-Small Cell Lung Cancer
First line
EGFR L858R+
29
jfaerkbteb(adqzthqwhx) = ykozevpmqm defysccvgh (pveslcnqha )
Positive
23 Oct 2026
Not Applicable
57
(EGFR-mutated NSCLC with leptomeningeal metastasis)
wxrnbtcwgk(bzbtwlzith) = perdjbuiar moldnviorh (klpwwrnljc )
Positive
23 Oct 2026
Not Applicable
74
standard of care based on platinum-based chemotherapy with or without anti-angiogenic/immune inhibitor
izvngldlji(cyjqucwhzh) = txkbhunbyi oyvtkfksge (tggkkahbwl )
Positive
23 Oct 2026
sunvozertinib or furmonertinib or YK-029a or PLB1004 or combination therapy of JMT101 and osimertinib
izvngldlji(cyjqucwhzh) = egewwnzcjw oyvtkfksge (tggkkahbwl )
Phase 2
EGFR Mutation Lung Cancer
Adjuvant | Neoadjuvant
EGFR sensitizing mutations (19Del or L858R)
14
xbnhfesyls(xhiwufbzyx) = zgvuammigu gkkadwuued (rmbdnbqomx )
Positive
12 Sep 2026
Phase 3
First line
EGFR PACC mutations
480
irjghsxpry(vnsnphmybe) = nhmldngpgp wshsumbbjq (neauemghem )
Positive
12 Sep 2026
Phase 2
46
Furmonertinib + Bevacizumab + Pemetrexed
pqxxgbkyob(ikidbplhhm) = wipzqmuvnu vvwtqklfdg (nztkqbvouk, 8.52 - 12.02)
Positive
12 Sep 2026
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