期刊
ALIMENTARY PHARMACOLOGY & THERAPEUTICS
卷 54, 期 4, 页码 429-440出版社
WILEY
DOI: 10.1111/apt.16439
关键词
-
资金
- Pfizer Inc
The efficacy and safety of tofacitinib in treating UC are similar regardless of patients' baseline BMI. Patients in different BMI subgroups showed similar clinical response and efficacy outcomes. However, patients in the BMI >= 30 subgroup may have a higher risk of serious infections.
Background: Obesity may affect efficacy and safety of biologic treatments for ulcerative colitis (UC). Tofacitinib is an oral, small molecule Janus kinase inhibitor for the treatment of UC. Aims: To assess efficacy and safety of tofacitinib in patients with UC, by baseline body mass index (BMI). Methods: This post hoc analysis evaluated patients with UC receiving placebo or tofacitinib from the 8-week OCTAVE Induction 1 and 2 (NCT01465763, NCT01458951) and 52-week OCTAVE Sustain (NCT01458574) studies. Patients were stratified by BMI at OCTAVE Induction 1 and 2 baseline (<25, 25 to <30 and >= 30 kg/m(2)). Outcomes included remission, endoscopic improvement, clinical response, sustained steroid-free remission, Inflammatory Bowel Disease Questionnaire total score and Short Form-36 Health Survey scores. Adverse events were evaluated. Results: At Week 8 of OCTAVE Induction 1 and 2, and Week 52 of OCTAVE Sustain, higher proportions of patients receiving tofacitinib 5 or 10 mg twice daily (b.d.) achieved clinical response vs placebo, regardless of baseline BMI subgroup (all P < 0.05). Proportions of patients achieving efficacy endpoints were generally similar across BMI subgroups; in univariate and multivariate regression analyses, BMI was not a significant predictor (all P >= 0.05; univariate BMI [continuous] odds ratio for remission: 0.98 [95% confidence interval 0.95, 1.02]). There was no consistent trend between BMI and adverse events. Among patients receiving tofacitinib 10 mg b.d. in OCTAVE Induction 1 and 2, serious infections were numerically greater in the BMI >= 30 subgroup (3.2%) vs other subgroups (0.4%). Limitations included small patient numbers in the BMI >= 30 subgroup. Conclusions: Efficacy and safety of tofacitinib were similar in patients with UC regardless of baseline BMI.
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