| Inclusion Criteria: | 1) Patients with Idiopathic Myelofibrosis or Myelofibrosis secondary to Polycythemia Vera or Essential Thrombocythemia or Myelodysplastic syndrome with or without fibrosis.
2) Patients 75 years or younger
3) Patients must have an HLA matched or at least a 9/10 antigen (A, B, C, DQ or DR) matched related or unrelated donor.
4) Patients must have a Zubrod PS 2 or less.
5) Creatinine < 1.6 mg/dl
6) Ejection fraction >/= 40%, unless cleared by cardiology
7) Serum direct bilirubin < 2 mg/dl (unless due to Gilbert's syndrome), SGPT </= 4 x normal values
8) FEV1, FVC, or DLCO >/= 40% of expected.
9) Negative Beta HCG test in a woman with child bearing potential defined as not post-menopausal for 12 months or no previous surgical sterilization. |