2. Must be diagnosed with myelofibrosis requiring therapy including myelofibrosis with myeloid metaplasia (MMM), de novo presentation (i.e. agnogenic myeloid metaplasia [AMMM], and developing after an antecedent history of Polycythemia vera (i.e., post-polycythemic myeloid metaplasia [PPMM]), or essential Polycythemia (i.e., post thrombocythemic myeloid metaplasia [PTMM]).