P1060: REAL-WORLD CLINICAL OUTCOMES AFTER 3 AND 6 MONTHS OF TREATMENT WITH FEDRATINIB FOLLOWING RUXOLITINIB FAILURE. (23rd June 2022) - Mascarenhas, J.; Gerds, A. T.; Kish, J. K.; Abraham, P.; Balanean, A.; Nadal, J. A.; Liassou, D.; Feinberg, B. A.; McBride, A.; Harrison, C.