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Index Can Predict Survival in Patients with MM

Clin Lymphoma Myeloma Leuk; ePub 2017 Sep 19; Ely, et al

Publish date:: September 27, 2017

Plasma cell proliferation index (PCPI) can help predict overall survival in people with newly diagnosed multiple myeloma, according to a study involving 151 individuals. Furthermore, it enables broader use of multiple myeloma cell proliferation for categorizing risk. Investigators grouped participants based on low (n=87) and high (n=64) myeloma cell proliferation. Using a plasma cell-specific biomarker, they evaluated how well multiplex immunohistochemistry calculated a PCPI. Among the results:

Median overall survival was not reached in the low PCPI group, vs ~79 months in the high PCPI group.
Only high-risk cytogenetics, ISS stage >I, and PCPI >5 independently impacted overall survival.
36% of patients with low risk disease were re-identified as high risk by PCPI.

Citation:

Ely S, Forsberg P, Ouansafi I, et al. Cellular proliferation by multiplex immunohistochemistry identifies high risk multiple myeloma in newly diagnosed, treatment naïve patients. [Published online ahead of print September 19, 2017]. Clin Lymphoma Myeloma Leuk. doi:10.1016/j.clml.2017.09.010.

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