Last reviewed · How we verify

ARRY-300, MEK inhibitor; oral

Array Biopharma, now a wholly owned subsidiary of Pfizer · Phase 1 active Small molecule

MEK inhibitor

MEK inhibitor Used for Non-small cell lung cancer.

At a glance

Generic nameARRY-300, MEK inhibitor; oral
SponsorArray Biopharma, now a wholly owned subsidiary of Pfizer
Drug classMEK inhibitor
TargetMEK1/2
ModalitySmall molecule
Therapeutic areaOncology
PhasePhase 1

Mechanism of action

ARRY-300 is a small molecule inhibitor of the MEK1/2 enzyme, which is involved in the MAPK/ERK signaling pathway.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape: