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STORM trial shows response in penta-refractory myeloma


 

FROM SOHO 2018

The overall response rate (partial response or better) was 26.2%, the clinical benefit rate (MR or better) was 39.3%, and the disease control rate (stable disease or better) was 78.7%.

The median duration of response was 4.4 months. The median progression-free survival was 3.7 months overall, 4.6 months in patients with an MR or better, and 1.1 months in patients who had progressive disease or were not evaluable.

The median overall survival was 8.6 months for the entire cohort. Overall survival was 15.6 months in patients with an MR or better and 1.7 months in patients who had progressive disease or were not evaluable (P less than .0001).

The “most important” grade 3/4 adverse events, according to Dr. Jagannath, were thrombocytopenia (53.7%), anemia (29.3%), fatigue (22.8%), hyponatremia (16.3%), nausea (9.8%), diarrhea (6.5%), anorexia (3.3%), and emesis (3.3%). A total of 23 patients (19.5%) discontinued treatment because of a related adverse.

This study was sponsored by Karyopharm Therapeutics. Dr. Jagannath reported relationships with Karyopharm, Janssen, Celgene, Amgen, and GlaxoSmithKline.

SOURCE: Jagannath S et al. SOHO 2018, Abstract MM-255

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