Is there therapeutic relevance for FLT3-ITD mutation in relapsed APML?

FLT3-ITD mutations are seen in anywhere from 12-38% of APL cases, and there are conflicting data on the prognostic impact of the mutation on outcomes (Kuchenbauer et al., PMID 16029447, Beitinjaneh et al., PMID 20096459, Kiyoi et al., PMID 9305596, Kainz et al., PMID 12522450, Schnittger et al., PMI...