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IDEAYA Biosciences Announces IDE892, a Potential Best-in-Class MTA-Cooperative PRMT5 Inhibitor, Initiates a Phase 1/2 Clinical Combination Study in MTAP-Deleted Pancreatic and Lung Cancers

$IDYAPress releaseJun 15, 2026, 6:00 AM ETRead the release

IDEAYA Biosciences enrolled the first patient in a Phase 1/2 clinical trial evaluating IDE892 in combination with IDE397 for MTAP-deleted solid tumors, focusing on pancreatic and non-small cell lung cancer. The company highlighted IDE892's potential best-in-class properties, including a 1,400-fold selective binding ratio and favorable drug-like characteristics, noting that monotherapy dose escalation has cleared multiple cohorts without reaching the maximum tolerated dose.

Key figures

Drug Name
IDE892
Phase Of Trial
Phase 1/2
Cyp3a4 ic50
>45 micromolar
Selectivity ratio
1,400-fold
Mtap deletion nsclc
15-20%
Mtap deletion pancreatic
up to 40%
Mtap deletion solid tumors
15%

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