MK 1966
Alternative Names: MK-1966Latest Information Update: 13 Feb 2026
At a glance
- Originator Merck & Co
- Class Antineoplastics; Immunotherapies
- Mechanism of Action Immunomodulators; Interleukin 10 inhibitors
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Orphan Drug Status
No
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity Yes
Highest Development Phases
- No development reported Haematological malignancies
Most Recent Events
- 10 Feb 2026 Dynavax Technologies has been acquired by Sanofi
- 28 Jul 2019 No recent reports of development identified for phase-I development in Haematological-malignancies(Combination therapy, Late-stage disease, Second-line therapy or greater) in USA (IV, Infusion)
- 08 Jan 2018 Merck terminates phase I trial in Haematological malignancies (Combination therapy, Late-stage disease, Second-line therapy or greater) in USA (Intratumoural) (NCT02731742)