Baricitinib is an oral selective inhibitor of Janus kinase (JAK)1 and JAK2 that has proved effective and well tolerated in the treatment of rheumatoid arthritis (RA) in an extensive programme of clinical studies of patients with moderate-to-severe disease. In a phase 2b dose-ranging study of baricitinib in combination with traditional disease-modifying antirheumatic drugs (DMARDs) in RA patients, magnetic resonance imaging showed that baricitinib 2 mg or 4 mg once daily provided dose-dependent suppression of synovitis, osteitis, erosion and cartilage loss at weeks 12 and 24 versus placebo. These findings correlated with clinical outcomes and were confirmed in three phase 3 studies (RA-BEGIN, RA-BEAM and RA-BUILD) using X-rays to assess structural joint damage. In patients naïve to DMARDs (RA-BEGIN study), baricitinib 4 mg once daily as monotherapy or combined with methotrexate produced smaller mean changes in structural joint damage than methotrexate monotherapy at week 24. Differences versus methotrexate were statistically significant for combined therapy. In patients responding inadequately to methotrexate (RA-BEAM study), baricitinib 4 mg plus background methotrexate significantly inhibited structural joint damage at week 24 versus placebo, and the results were comparable to those observed with adalimumab plus background methotrexate. In patients responding inadequately to conventional synthetic DMARDs (csDMARDs; RA-BUILD study), baricitinib 4 mg again significantly inhibited radiographic progression compared with placebo at week 24. Benefits were also observed with baricitinib 2 mg once daily, but the effects of baricitinib 4 mg were more robust. The positive effects of baricitinib 4 mg on radiographic progression continued over 1 and 2 years in the long-term extension study RA-BEYOND, with similar effects to adalimumab and significantly greater effects than placebo. Findings from the phase 3 studies of patients with RA were supported by preclinical studies, which showed that baricitinib has an osteoprotective effect, increasing mineralisation in bone-forming cells. In conclusion, baricitinib 4 mg once daily inhibits radiographic joint damage progression in patients with moderate-to-severe RA who are naïve to DMARDs or respond inadequately to csDMARDs, including methotrexate, and the beneficial effects are similar to those observed with adalimumab.
Introduction:In routine clinical care, important treatment outcomes among patients with moderate-to-severe plaque psoriasis (PsO) have been shown to vary according to patient demographics and disease characteristics. This study aimed to provide direct comparative effectiveness data at week 12 between anti-interleukin (IL)-17A biologics relative to other approved biologics for the treatment of PsO across seven clinically relevant patient subgroups in the real-world setting. Methods: From the international, non-interventional Psoriasis Study of Health Outcomes (PSoHO), 1981 patients with moderate-to-severe PsO were grouped a priori according to seven clinically relevant demographic and disease variables with binary categories, which were sex
Introduction RA-BE-REAL has the overall aim of defining a profile of patients with rheumatoid arthritis (RA) starting baricitinib or any other targeted synthetic (ts) or any biologic (b) disease-modifying antirheumatic drug (DMARD) for the first time, and the primary objective of estimating time until discontinuation from any cause (excluding sustained response) of the initial treatment. Methods RA-BE-REAL is an ongoing, prospective, observational, 36-month study in patients with RA initiating treatment with baricitinib (cohort A) or any other tsDMARD or any bDMARD (cohort B) for the first time. The primary objective is to assess the time until treatment discontinuation from any cause (excluding sustained response) at 24 months, (i.e., the rate of discontinuation of initial baricitinib or ts/bDMARD). Patient profiles of each cohort are described and compared. Post-baseline data are descriptively analyzed. This manuscript presents baseline and interim (6-month) outcomes for European patients with RA participating in the global RA-BE-REAL study. Results Data from 1074 patients (cohort A: 509; cohort B: 565) were analyzed. For cohorts A and B, respectively, the 6-month cumulative incidence (95% confidence interval) of treatment discontinuation was 16.5 (12.9–21.1) and 23.3 (19.1–28.2), and the proportions of patients achieving remission were 25.6% and 18.5%. At baseline, mean patient age was 59.1 and 57.0 years ( p = 0.010) and mean disease duration was 10.0 and 8.9 years ( p = 0.047), respectively. The proportions of patients exposed to ts/bDMARDs at any time before study entry were 51.9% and 39.1%, and the proportions of patients initiated on monotherapy were 50.9% and 31.2%, respectively. Conclusion In real-world settings, patients with RA initiating treatment with baricitinib were older and had longer disease duration than those initiating treatment with any other tsDMARD or any bDMARD. Initial descriptive data regarding treatment discontinuation (including reasons for discontinuation), effectiveness, and treatment patterns will be enriched as the study progresses. Supplementary Information The online version contains supplementary material available at 10.1007/s40744-022-00500-6.
Background Baricitinib (BARI) is a selective inhibitor of janus kinase (JAK) 1 and JAK2, approved for the treatment of moderately to severely active rheumatoid arthritis (RA) in adults in over 50 countries. Objective: To evaluate the long-term safety of BARI in patients with RA with a specific focus on malignancies, major adverse cardiovascular events (MACE), serious infections and herpes zoster (HZ) events. Methods Data from nine completed studies (5 Phase 3, 3 Phase 2, 1 Phase 1b) and 1 long term extension (LTE) study were pooled for this analysis (data cut-off date: 13-Feb-2018). The all BARI data set included all patients exposed to any BARI dose. Results A total of 3,770 patients with RA were treated with BARI (10,127 patient years [PY]) with a maximum exposure of 7 years. Of these, 2,938 (78%) and 1,754 (47%) were on concomitant methotrexate or corticosteroids (CS; mean dose 6.2 mg/day), respectively. The incidence rates (IR) of malignancy (excluding non-melanoma skin cancer) were 0.8 (2-mg) and 1.0 (4-mg; as-randomized analysis) in the LTE. The IRs for MACE were similar between the all BARI and PBO group; however, the IR for DVT/PE were numerically higher in the BARI 4mg group during the PBO-controlled period. IRs for MACE remain stable over time. The IR of serious infections were numerically higher in the PBO group; the IR of tuberculosis and other opportunistic infections were similar between the all BARI and PBO group. During the PBO-controlled period, HZ IR was significantly higher for BARI 4-mg versus PBO (4.4 vs 1.1) (Table 1). Amongst 323 HZ patients, 11 (4%) had received prior HZ vaccination. Twenty-six [8%] cases were multidermatomal, and no visceral disease was reported. Multivariate analyses showed that older age and some geographical regions (Asia, especially Japan, Taiwan and South Korea) were associated with a higher risk of HZ. Conclusion This integrated analysis in patients with active RA exposed to BARI for up to 7 years shows that the safety profile of BARI is like that reported previously. The IRs of malignancies, MACE (including DVT/PE), serious infection, and HZ did not increase over time. Disclosures D. Walker: Honoraria; Lilly, Pfizer, Giliad, Novartis, Roche. Member of speakers’ bureau; Lilly, Pfizer, Roche. I. Kouris: Other; Lilly employee. T. Holzkämper: Shareholder/stock ownership; Lilly. Other; Lilly employee. M.W. Wu: Other; Lilly employee. R. Xavier: None. J. Smolen: Consultancies; Abbvie, Amgen, Astra Zeneca, Astro, BMS. Grants/research support; Abbvie, Eli Lilly, Novartis, Pfizer, Roche, Samsung, Sanofi-Aventis, UCB. P. Durez: Member of speakers’ bureau; Abbvie, BMS, Celltrion, Eli Lilly. Y. Chen: None. J. Zhong: Corporate appointments; Eli Lilly Contractor. R. Liao: Other; Lilly employee. M.C. Genovese: Consultancies; Eli Lilly. K. Winthrop: Consultancies; Pfizer, UCB, Eli Lilly, Gilead, Abbvie, Roche, BMS.
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