The return of cladribine in RRMS
August 23, 2017…ies in the CLARITY trial (Giovannoni et al. N Engl J Med 2010;362:416-426; free pdf at www.nejm.org/doi/pdf/10.1056/NEJMoa0902533). The study randomized 1326 patients to one of two doses of oral cladribine (3.5 or 5.25 mg/kg cumulative dose over two years) or placebo. There were 10 neoplasms in the cladribine groups (incidence 1.1%) versus 0 in the placebo group. The neoplasms reported were five cases of benign uterine leiomyoma, three cases of ca…