Zedenoleucel - Marker Cell Therapy
Alternative Names: Autologous cytotoxic T-cell therapeutic - Marker Cell Therapeutics; MT-401; MT-401-OTS; MultiTAA T cells Stage; MultiTAA T-cell therapy; MultiTAA-specific T cells; TAA-specific CTLs; ZelenoleucelLatest Information Update: 24 Nov 2025
At a glance
- Originator Marker Therapeutics
- Developer Baylor College of Medicine; Marker Cell Therapy
- Class Antineoplastics; Immunotherapies; T lymphocyte cell therapies
- Mechanism of Action Immunologic cytotoxicity; T lymphocyte replacements
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Orphan Drug Status
Yes - Acute myeloid leukaemia
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity No
Highest Development Phases
- Phase II Acute myeloid leukaemia; Breast cancer
- Phase I/II Multiple myeloma; Precursor cell lymphoblastic leukaemia-lymphoma; Sarcoma
- Phase I Myelodysplastic syndromes
- Discontinued Lymphoma; Ovarian cancer
Most Recent Events
- 30 Oct 2025 Marker Therapeutics terminates the phase II ARTEMIS trial in Acute myeloid leukaemia (Adjuvant therapy, Second-line therapy or greater) in USA (IV, Infusion) due to the long vein-to-vein manufacturing timeline of MT 401 after 38 participants received the autologous MT 401 (NCT04511130)
- 06 Oct 2025 Preliminary adverse events data from a phase I RAPID trial in Acute myeloid leukaemia and Myelodysplastic syndromes released by Marker Therapeutics
- 16 Jun 2025 Phase-I clinical trials in Acute myeloid leukaemia (Second-line therapy or greater, In the elderly) in USA (IV) (NCT06552416)