Phase I Study of CTL Anti-DP Infusion Post-hematopoietic Stem Cell Transplantation

For several decades, allogeneic hematopoietic stem cell trans-plantation (allo-HSCT) has remained an important strategy in the management of patients with high-risk hematological malignancies. The acceptance of umbilical cord blood (UCBT) and haploidentical grafts (Haplo) as viable alternative donors for allo-HSCT has increased the options for patients with no matched donors and now ensures that a donor can be identified for virtually all patients. Relapsed disease is a principal threat to these patients and affects 30-50% of them. The therapeutic options for these relapsing patients are diverse but remain largely ineffective in altering their long-term outcomes. Therefore, pre-emptive treatment post allo-HSCT is considered. MHC (major histocompatibility complex) class II molecules are a family of molecules normally found only on hematopoietic cells. cell-surface proteins are responsible for the regulation of the immune system in humans and are important in disease defense. They are the major cause of organ transplant rejections. Different HLA-DPB1 alleles exist in the general population. HLA-DPB1\*04:01 is the most frequent (70.5%) while HLA-DPB1\*02:01 represents 32% and HLA-DPB1\*03:01 20%. In allo-HSCT, the donor and the recipient may express different HLA-DPB1 molecules. HLA-DPB1 matching status has an impact on GVL (graft versus leukemia) and GVHD. In recipients of HSCT, a match for DPB1 is associated with a significantly increased risk of disease relapse, irrespectiv…

This description comes directly from the study's public registry record.

thierry GUILLAUME, MD  ·  02.40.08.48.45  ·  thierry.guillaume@chu-nantes.fr

Beatrice CLEMENCEAU, PhD  ·  02 28 08 02 30  ·  beatrice.clemenceau@univ-nantes.fr

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