Multiple Myeloma Coverage from Every Angle

Prognostic Immune Biomarker in Newly Diagnosed Multiple Myeloma

By: Meg Barbor, MPH
Posted: Monday, October 9, 2017

The ratio of absolute lymphocyte count (ALC) to absolute monocyte count (AMC) in the peripheral blood appears to serve as a prognostic immune biomarker in newly diagnosed patients with multiple myeloma and may reflect the immunologic status of these patients, wrote Talib Dosani, MD, of Case Western Reserve University/University Hospitals Cleveland Medical Center, and colleagues, in the Blood Cancer Journal.

“Our study is novel in that we show that the ALC/AMC is a more robust prognostic biomarker than ALC alone, as it assesses the relative strength of the host immune system to myeloma-induced immune dysfunction,” the investigators reported.

The retrospective study included 372 patients diagnosed with multiple myeloma between 2004 and 2014. After a median follow-up of 37.5 months, patients with baseline ALC/AMC ≥ 3.6 (N=236) versus ALC/AMC < 3.6 (N=136) experienced longer median progression-free (43 months vs. 24 months, respectively) and median overall survival (62 months vs. 48 months, respectively).

The clinical implications of these findings indicate the ALC/AMC may help to stratify patients based on their baseline immune status. The authors believe that ongoing and future studies may use this “readily available biomarker” to identify treatment-naive patients with multiple myeloma who might benefit from immunotherapy.

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