The reduction in invasive breast cancer incidence continues beyond 4 years of raloxifene treatment in postmenopausal women with osteoporosis. No new safety concerns related to raloxifene therapy were identified during CORE.

SummaryBackground Plaque psoriasis is a chronic and often debilitating skin disorder and proinflammatory cytokines are known to play a key role in the disease process. Objectives To evaluate the safety and efficacy of baricitinib, an oral Janus kinase (JAK) 1/JAK2 inhibitor, in patients with moderate-to-severe psoriasis in a randomized, double-blind, placebo-controlled, dose-ranging phase 2b study. Methods Patients were randomized (n = 271) to receive placebo or oral baricitinib at 2, 4, 8 or 10 mg once daily for 12 weeks (Part A). Dose adjustment for 12 additional weeks was based on percentage improvement in the Psoriasis Area and Severity Index (PASI) score. The primary end point was Psoriasis Area and Severity Index (PASI) 75% (PASI-75) at 12 weeks for North American patients (n = 238); secondary end points were safety and efficacy measures in the entire population. Results At week 12, more North American patients in the 8-mg (43%) and 10-mg (54%) baricitinib groups than in placebo group (17%; P < 0Á05) achieved PASI-75. All baricitinib-treated groups had greater mean changes from baseline in their PASI scores (P < 0Á05) at 12 weeks and (except 2 mg) had higher rates of PASI-50 than the placebo group; statistically significant PASI-90 responses were achieved in the 8-mg and 10-mg groups at 8 and 12 weeks. More than 81% of PASI-75 responders maintained their scores through 24 weeks. During Part A, study discontinuations due to adverse events (AEs) were 0%, 0%, 2Á8%, 6Á3% and 5Á8% and treatment-emergent AE rates were 44%, 50%, 47%, 58% and 64% for placebo and 2-, 4-, 8-and 10-mg baricitinib groups, respectively. No opportunistic infections were observed in any treatment group. Dose-dependent changes in laboratory values were observed. Conclusions Patients with moderate-to-severe psoriasis treated with baricitinib for 12 weeks achieved significant improvements in PASI-75.

These 8-year data support the known clinical safety profile of raloxifene, established in the MORE trial.

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