Failure Free Survival after treatement for cGvHD

Posted on: 22 Aug 2014

Another interesting article from The Fred Hutchinson Centre

This study was designed to characterize failure-free survival (FFS) as a novel end point for clinical trials of chronic graft-versus-host disease (GVHD). The study cohort included 400 consecutive patients who received initial systemic treatment of chronic GVHD at our center. FFS was defined by the absence of second-line treatment, nonrelapse mortality, and recurrent malignancy during initial treatment. The FFS rate was 68% at 6 months and 54% at 12 months after initial treatment. Multivariate analysis identified 4 risk factors associated with treatment failure: time interval <12 months from transplantation to initial treatment, patient age >60 yrs, severe involvement of the GI tract, liver, or lungs, and Karnofsky score <80% at initial treatment. Initial steroid doses and the type of initial treatement were not associatedwith risk of treatment failure. Lower steroid doses after 12 months of initial treatment were associated with long-term success in withdrawing all systemic treatment. FFS offers a potentially useful basis for interpreting results of initial treatment of chronic GVHD. Incorporation of steroid doses at 12 months would increase clinical benefit associated with the end point. Studies using FFS as the primary end point should measure changes in GVHD-related symptoms, activity, damage, and disability as secondary end points. (Blood 2014; 124(8):1363-1371).

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