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With the incorporation of novel agents in earlier lines of therapy, an increasing number of multiple myeloma patients are refractory to traditional classes of drugs. Selinexor in combination with dexamethasone has emerged as a viable option for heavily pretreated triple-class relapsed and refractory multiple myeloma (RRMM). In this systematic review, we analyzed available literature on the role of selinexor in RRMM. The Boston trial demonstrated that selinexor when combined with dexamethasone and bortezomib is associated with a better depth and duration of response without excessive toxicity, compared with bortezomib and dexamethasone alone. Similarly, selinexor in combination with carfilzomib and dexamethasone was found to have a durable response and tolerable safety profile in both carfilzomib-naive and carfilzomib refractory RRMM patients. Selinexor in combination with IMiDs (lenalidomide and pomalidomide) as well as CD38 monoclonal antibodies (daratumumab) also have promising results. Selinexor combination therapy is both safe and effective for patients with pretreated RRMM., (© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)

Previous studies exploring associations between statin use and risk of multiple myeloma (MM) showed inconsistent results. We searched for articles published in English in databases (PubMed, Web of Science, EMBASE, Medline, and Google Scholar) before October 2019. The multivariate odds ratio (OR)/relative risk (RR) and 95% confidence intervals (CI) were computed to explore associations between statin use and risk of MM. The study indicated that statin users showed significantly lower risks of MM with a random effects model (OR/RR = 0.77, 95% CI 0.63 to 0.95, I 2  = 63.1%, p for Q test = 0.001). Subgroup analyses showed that statin users showed significantly lower risks of MM in Caucasian populations with a fixed effects model (OR/RR = 0.72, 95% CI 0.59 to 0.88, I 2  = 43.5%, p for Q test = 0.060), whereas no significant association was shown between statin use and risks of MM in Asian populations with a random effects model. Additionally, Subgroup analyses showed that statin users showed significantly lower risks of MM in cohort studies with a fixed effects model (RR = 0.83, 95% CI 0.74 to 0.93, I 2  = 0.0%, p for Q test = 0.429), whereas no significant association was shown between statin use and risks of MM in case-control studies with a random effects model. In conclusion, the present study indicated that statin use might be a protective factor for MM incidence. However, the relationship between statin use and MM risk requires repeated and large prospective studies to be verified.