DSCs ‘promising’ for severe acute GVHD

The 1-year survival rate was 73% in SR group 2, which was significantly higher than the 31% survival rate in SR group 1 (P=0.02), the 20% rate in SR MSC recipients (P=0.0015), and the 3% rate in SR historical controls (P<0.001).

Severe adverse events in the DSC recipients included relapse (n=8), pneumonia (n=5), proven or probable invasive fungal infection (n=6), bacterial infection (n=2), graft failure (n=3), multiple organ failure (n=1), viral infection (n=2), central nervous system complications (n=2), septicemia (n=2), skin squamous cell carcinoma (n=2), and acute pancreatitis (n=1).

Causes of death in DSC recipients included acute GVHD (n=9), relapse (n=2), bacterial infection (n=2), invasive fungal infection (n=1), liver failure (n=1), hemorrhage (n=1), and secondary malignancy (n=1).

“Collectively, we think these data demonstrate that DSCs are a promising treatment for severe acute GVHD,” Dr Ringdén said. “But it was a small patient group, so, to further assess safety and efficacy, a larger, prospective trial will be necessary.”

“If an effective therapy for severe acute GVHD is indeed found and validated, it will increase the usefulness of stem cell transplantation with a possible broadening of indications.”