MRT 2359
Alternative Names: MRT-2359Latest Information Update: 22 Dec 2025
At a glance
- Originator Monte Rosa Therapeutics
- Class Antineoplastics; Carbamates; Ethers; Fluorobenzenes; Isoindoles; Ketones; Piperidines; Small molecules
- Mechanism of Action Peptide-chain-release factor 3 degraders
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Orphan Drug Status
Yes - Small cell lung cancer
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity Yes
Highest Development Phases
- Phase I/II Diffuse large B cell lymphoma; HER2 negative breast cancer; HER2 positive breast cancer; Neuroendocrine tumours; Non-small cell lung cancer; Prostate cancer; Small cell lung cancer; Solid tumours
Most Recent Events
- 16 Dec 2025 Interim adverse events and efficacy data from a phase I/II trial in Solid tumours released by Monte Rosa Therapeutics (ADNM)
- 16 Dec 2025 Monte Rosa Therapeutics plans a phase II trial for Prostate cancer (Hormone-refractory, Metastatic disease, Combination therapy) in 2026
- 31 Mar 2025 Updated efficacy data from a phase I/II trial in Solid tumours released by Monte Rosa Therapeutics