Leading researchers from Dana-Farber Cancer Institute are set to present transformative findings in hematopoietic cell transplantation (HCT) and cellular therapy at the upcoming 2025 Tandem Meetings in Honolulu, Hawaii, from February 12-15. The conference, jointly organized by the American Society for Transplantation and Cellular Therapy (ASTCT) and the Center for International Blood and Marrow Transplant Research (CIBMTR), will showcase cutting-edge developments in blood disorder treatments.
Groundbreaking Multiple Myeloma Research
Dr. Lauren Merz's presentation reveals crucial findings from the DETERMINATION Phase 3 trial, examining treatment outcomes in newly diagnosed multiple myeloma patients based on Duffy genotype. The study compared treatments using lenalidomide, bortezomib, and dexamethasone (RVd) alone versus RVd with autologous stem cell transplantation (ASCT).
The research highlights a significant discovery: patients with the Duffy null variant, present in approximately two-thirds of Black or African American individuals, showed notably longer progression-free survival (PFS) when treated with RVd alone. This genetic variation influences neutrophil counts and cytokine homeostasis, potentially affecting treatment response.
Novel Insights into GvHD Mechanisms
Dr. Nicoletta Cieri's research presents a breakthrough understanding of gastrointestinal acute Graft-versus-Host Disease (GvHD). The study reveals that severe GI complications post-stem cell transplant can be triggered by cross-reactivity between minor histocompatibility antigens and viral proteins from common gut-tropic viruses, including CMV, EBV, and adenovirus.
The team developed an innovative method to quantify this cross-reactivity, demonstrating that higher loads of these cross-reactive antigens correlate with increased risk of severe GI complications. This discovery opens new possibilities for pre-transplant risk assessment and targeted preventive strategies.
Lifetime Achievement Recognition
The conference will honor Dr. Joseph H. Antin with the Lifetime Achievement Award for his exceptional contributions to the field. As the former Chief of the Stem Cell Transplant Program at Dana-Farber/Brigham and Women's Cancer Center, Dr. Antin's pioneering work spans decades of innovation in transplantation medicine.
His achievements include groundbreaking developments in molecular techniques for chimerism assessment, the first application of PCR for BCR/ABL quantification post-transplantation, and the revolutionary concept of cytokine storm in GvHD pathophysiology. Dr. Antin's collaborative work has also advanced GVHD prevention and treatment, particularly through his development of tacrolimus and sirolimus protocols.
Impact on Future Treatment Approaches
These presentations collectively represent significant advances in personalized medicine for blood disorders. The findings on Duffy genotype influence in multiple myeloma treatment and the new understanding of GvHD mechanisms promise to reshape treatment strategies and improve patient outcomes in cellular therapy.