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Identification of six hub genes in mantle cell lymphoma patients with BTKi resistance
Shuozi Liu1, Ping Yang1, Lingli Wang1
1Department of Hematology, Lymphoma Research Center, Peking University Third Hospital, Peking University, Beijing, China.
Background:
Bruton tyrosine kinase inhibitor (BTKi) resistance is an unsolved problem in the treatment of relapse/recurrence (R/R) mantle cell lymphoma (MCL). Although salvage therapy following ibrutinib resistance has been attempted in recent years, the survival of resistant patients was significantly reduced. Once ibrutinib-treated patients relapse, the 1-year survival rate is only 22%. Acquired drug resistance and primary drug resistance were found to relate closely to genetic mutations. The hub genes identification and clinical data analysis of patients resistant to BTKi based on the Chinese MCL gene mutation profile are worthy of exploration.
Methods:
Based on 28 MCL patients' mutation data and clinical data, 6 hub genes were screened by a gene panel of 69 genes and univariate Cox prognostic analysis. Prognosis and responses to salvage therapy regimen were analyzed.
Results:
Patients with BTKi had less favorable clinical features at baseline. Chimeric antigen receptor T-cell (CAR-T) therapy yielded the best response among salvage treatments. The 6 hub genes were screened by a gene panel of 69 genes (GP79) which might be a potential predictor for MCL patients with BTKi resistance.
Conclusions:
The clinical characteristics of BTKi resistance in MCL patients were summarized, and 6 hub genes were identified to provide ideas and suggestions for further research.
