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Monte Rosa Therapeutics Announces Milestone Achievement Associated with Initiation of Phase 2 Clinical Study for VAV1-directed Molecular Glue Degrader MRT-6160 (DDY391)

$GLUEPress releaseSep 8, 2026, 7:00 AM ETRead the release

Novartis has initiated a Phase 2a/b study of the VAV1-directed molecular glue degrader MRT-6160 (DDY391) in Sjögren's disease, triggering a $50 million milestone payment to Monte Rosa Therapeutics. The randomized, double-blind, placebo-controlled, multi-center trial will evaluate up to 52 weeks of treatment to support Phase 3 dose selection, and Monte Rosa is eligible for additional Phase 2 study initiation milestones across immune-mediated diseases. Under the global exclusive license, Novartis funds and conducts Phase 2 development; Monte Rosa is eligible for up to $2.1 billion in development, regulatory, and sales milestones, will co-fund Phase 3, shares 30% of U.S.

Key figures

Drug Name
MRT-6160 (DDY391)
Phase Of Trial
Phase 2a/b
Nct id
NCT07737743
Trial duration weeks
52
Us profit loss share
30%
Milestone payment usd
50000000
Phase1 vav1 degradation
>90% in peripheral blood T cells
Potential total milestones usd
2100000000

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