Nov 20 (Reuters) - Aptevo Therapeutics Inc :
* APTEVO THERAPEUTICS - FIRST PATIENT DOSED IN ONGOING RAINIER TRIAL ACHIEVED 90% REDUCTION IN LEUKEMIC BLASTS WITHIN THE FIRST 30 DAYS OF TREATMENT
* APTEVO THERAPEUTICS - FAVORABLE EARLY SAFETY, EFFICACY, TOLERABILITY,DURABILITY OF REMISSION DATA INFORMED CO'S ONGOING RAINIER PHASE 1B/2 TRIAL
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