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A prospective phase II randomized study of deferasirox to prevent iatrogenic iron overload in patients undertaking induction/consolidation chemotherapy for acute myeloid leukaemia
Author(s) -
Kennedy Glen A.,
Morris Kirk L.,
Subramonpillai Elango,
Curley Cameron,
Butler Jason,
Durrant Simon
Publication year - 2013
Publication title -
british journal of haematology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.907
H-Index - 186
eISSN - 1365-2141
pISSN - 0007-1048
DOI - 10.1111/bjh.12319
Subject(s) - deferasirox , medicine , transferrin saturation , gastroenterology , randomized controlled trial , surgery , chemotherapy , ferritin , thalassemia , serum ferritin
Summary This prospective randomized phase II study aimed to determine the safety and efficacy of deferasirox in preventing iatrogenic iron overload in patients receiving induction/consolidation chemotherapy for acute myeloid leukaemia ( AML ) ize. Serum ferritin, transferrin saturation and CRP were measured pre‐, mid‐ and post‐ each chemotherapy cycle. Patients were randomized to receive either therapy with deferasirox vs . no deferasirox therapy once serum ferritin increased to >500 μg/l. The trial was stopped prematurely due to excess gastrointestinal ( GI ) and infectious toxicity demonstrable in the deferasirox arm, after 10 patients had been randomized to deferasirox and 6 patients to the control arm. Overall, deferasirox was poorly tolerated, with median maximum tolerated dose only 13·8 mg/kg/d and no patient able to tolerate doses >20 mg/kg/d. Median duration of deferasirox therapy was only 72 d (range 19–130 d), with 9/10 patients requiring unplanned dose interruptions and 4/10 patients unable to continue the drug predominantly due to GI effects. Although all 3 treatment‐related deaths occurred in the deferasirox arm ( P  = 0·25), median overall survival was similar between treatment arms. Use of deferasirox to prevent iatrogenic iron overload in AML patients undertaking induction/consolidation is poorly tolerated and appears to be associated with excess GI and infectious toxicity.

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