ArticleCancers2025
Characterization of a 3S PRAME VLD-Specific T Cell Receptor and Its Use in Investigational Medicinal Products for TCR-T Therapy of Patients with Myeloid Malignancies.
Article in Cancers, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03503968 (A Phase I/II, Open-Label, Non-Randomized, Multicentre, Dose-Escalation Clinical Trial With Control Group to Evaluate the Safety, Feasibility and Preliminary Efficacy of PRAME TCR Modified T Cells, MDG1011, in Subjects With High Risk Myeloid and Lymphoid Neoplasms), which is not on this map. Cited by 2 papers.
What it found
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A Phase I/II, Open-Label, Non-Randomized, Multicentre, Dose-Escalation Clinical Trial With Control Group to Evaluate the Safety, Feasibility and Preliminary Efficacy of PRAME TCR Modified T Cells, MDG1011, in Subjects With High Risk Myeloid and Lymphoid Neoplasms
Who cites it
2 citing papers in PubMed.
- UniTope & TraCR: A Universal Tool to Tag, Enrich, and Track TCR-T Cells and Therapeutic Proteins.Medical sciences (Basel, Switzerland) · 2025Article
- Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND/
objectivesMDG1011 is an autologous TCR-T therapy developed as a treatment option for patients with myeloid malignancies, including acute myeloid leukemia (AML), myelodysplastic syndrome (MDS), and multiple myeloma (MM). It is specific for the target antigen PReferentially expressed Antigen in MElanoma (PRAME). The recombinant TCR used in MDG1011 recognizes PRAME
methodsTwo preclinical batches of MDG1011, produced from enriched CD8+ T cells of healthy donors, underwent rigorous evaluation of on-target and off-target recognition of tumor cells and test cells representing healthy tissues. MDG1011 investigational medicinal products (IMPs) were produced for 13 patients. VLD-TCR surface expression was assessed using dual-marker flow cytometry using TCR V-beta-specific antibody and VLD/HLA-A2-specific multimer. Functionality was assessed by interferon-gamma (IFN-γ) secretion and cell-mediated cytotoxicity of target cells.
resultsPreclinical MDG1011 batches displayed strong VLD-TCR expression, cytokine secretion, and cytotoxicity after antigen-specific activation, while showing no signals of on-target/off-tumor or off-target recognition. All IMPs had good VLD-TCR expression as well as functionality after activation by multiple target cells.
conclusionsPreclinical studies demonstrated that MDG1011 displayed key 3S attributes of high specificity, sensitivity, and safety required for regulatory approval of a first-in-human (FIH) clinical study of patients with myeloid malignancies (CD-TCR-001: ClinicalTrials.gov Identifier: NCT03503968). MDG1011 IMP manufacturing was successful at 92%, even including heavily pretreated elderly patients with very advanced disease. The IMPs applied in nine patients all displayed antigen-specific functionality. Elsewhere, clinical study results for MDG1011 showed no dose-limiting toxicity and signs of biological and/or clinical activity in several patients.
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