Genmab: Recruitment Completed in Arzerra (Ofatumumab) Pivotal CLL Study
Based on positive results from an interim analysis in this study, Genmab and GlaxoSmithKline submitted a Biologics License Application (BLA) to the U.S. Food and Drug Administration (FDA) in January and a Marketing Authorization Application (MAA) to the European Medicines Agency (EMEA) in February.
The study includes patients with CLL refractory to both fludarabine and alemtuzumab, and patients who are refractory to fludarabine and considered inappropriate candidates for alemtuzumab due to bulky tumor masses in their lymph nodes. The study design calls for patients to receive eight weekly infusions of ofatumumab, followed by four monthly infusions. Patients receive 300 mg of ofatumumab at the first infusion and 2,000 mg of ofatumumab at each subsequent infusion. Disease status is assessed every four weeks until week 28 and then every three months until disease progression or month 24.
The primary endpoint of the study is objective response over a 24 week period from start of treatment as assessed according to the National Cancer Institute Working Group guidelines by an Independent endpoint Review Committee (IRC). The secondary endpoints include duration of response, progression free survival, time to next CLL therapy, overall survival and adverse events.
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