Jakafi, Pegasys Combination Beneficial in Newly Diagnosed Polycythemia Vera

November 4, 2024

Author(s): Alex Biese

Fact checked by: Spencer Feldman

Among patients with who were newly diagnosed polycythemia vera (PV), treatment with Jakafi (ruxolitinib) and low-dose Pegasys (pegylated interferon alfa-2a) was found to be beneficial, resulting in high rates of hematologic and molecular response, research has shown.

Findings from the two-year end-of-study results of the phase 2 COMBI II clinical trial, published in Blood Advances, showed that the combination treatment was associated with improvements to patients’ cell counts with what researchers described as acceptable toxicity.

Researchers utilized the participation of 25 patients with PV, with a median age of 70 years. According to the study, 14 patients (56% of participants) achieved remission at 24 months, with three (12%) attaining complete remission and 11 (44%) reaching partial remission. Researchers reported what they observed as significant reductions to abdominal discomfort, night sweats, itching and bone pain, while the median JAK2V617F VAF was decreased from 47% to 7% and 60% of patients achieved molecular remission.

One of the 25 patients dropped out of the study within two years, while one patient discontinued both drugs while two patients each discontinued Jakafi and Pegasys and continued stand-alone therapy with the other drug.

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