Unfortunately, all other treatments for PMF are palliative in nature and often of limited efficacy. Over the last several years, many advances have occurred that have increased the safety and improved the outcomes of allogeneic transplants. Perhaps most important has been the ongoing refinement of reduced intensity conditioning (RIC) regimens prior to transplant. Over the last few years, many groups have published data suggesting that these RIC transplants can be very effective in the treatment of PMF and it is felt to be a potentially curative procedure. However, the vast majority of these data are reported in persons younger than 65 years old. The current protocol for RIC transplant for PMF available at the University of Utah excludes patients older than the age of 65.