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Ofatumumab maintenance prolongs progression-free survival in relapsed chronic lymphocytic leukemia: final analysis of the PROLONG study.


ABSTRACT: We report the final analysis of the PROLONG study on ofatumumab maintenance in relapsed chronic lymphocytic leukemia (CLL). In all, 480 patients with CLL in complete or partial remission after second- or third-line treatment were randomized 1:1 to ofatumumab (300?mg first week, followed by 1000?mg every 8 weeks for up to 2 years) or observation. Median follow-up duration was 40.9 months. Median progression-free survival was 34.2 and 16.9 months for ofatumumab and observation arms, respectively, (hazard ratio, 0.55 [95% confidence interval, 0.43-0.70]; P?

SUBMITTER: van Oers M 

PROVIDER: S-EPMC6893027 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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Ofatumumab maintenance prolongs progression-free survival in relapsed chronic lymphocytic leukemia: final analysis of the PROLONG study.

van Oers Marinus M   Smolej Lukas L   Petrini Mario M   Offner Fritz F   Grosicki Sebastian S   Levin Mark-David MD   Davis Jaclyn J   Banerjee Hiya H   Stefanelli Tommaso T   Hoever Petra P   Geisler Christian C  

Blood cancer journal 20191204 12


We report the final analysis of the PROLONG study on ofatumumab maintenance in relapsed chronic lymphocytic leukemia (CLL). In all, 480 patients with CLL in complete or partial remission after second- or third-line treatment were randomized 1:1 to ofatumumab (300 mg first week, followed by 1000 mg every 8 weeks for up to 2 years) or observation. Median follow-up duration was 40.9 months. Median progression-free survival was 34.2 and 16.9 months for ofatumumab and observation arms, respectively,  ...[more]

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