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- Title
Effectiveness of intravenous methylprednisolone pulse in patients with severe microscopic polyangiitis and granulomatosis with polyangiitis.
- Authors
Omura, Satoshi; Kida, Takashi; Noma, Hisashi; Inoue, Hironori; Sofue, Hideaki; Sakashita, Aki; Kadoya, Masatoshi; Nakagomi, Daiki; Abe, Yoshiyuki; Takizawa, Naoho; Nomura, Atsushi; Kukida, Yuji; Kondo, Naoya; Yamano, Yasuhiko; Yanagida, Takuya; Endo, Koji; Hirata, Shintaro; Matsui, Kiyoshi; Takeuchi, Tohru; Ichinose, Kunihiro
- Abstract
Objectives To evaluate the effectiveness and safety of two different intravenous methylprednisolone (IVMP) pulse doses in patients with severe microscopic polyangiitis (MPA) and granulomatosis with polyangiitis (GPA). Methods We emulated a target trial using observational data from the nationwide registry in Japan. Patients with severe glomerulonephritis or diffuse alveolar haemorrhage were selected and pseudo-randomized into three groups using propensity score-based overlap weighting as follows: non-IVMP, IVMP 0.5 g/day and IVMP 1.0 g/day. The primary outcome was all-cause mortality, and the secondary outcomes were composite all-cause mortality and kidney failure, severe relapse and serious infection from 2 to 48 weeks after treatment initiation. To estimate the treatment effects, the Cox proportional hazard model and Fine–Gray subdistribution hazard model were used. Results In this emulated target trial, of 201 eligible patients (MPA, 175; GPA, 26), 6 (3%) died, 4 (2.0%) had kidney failure, 11 (5.5%) had severe relapse, and 40 (19.9%) had severe infections. Hazard ratios (HR) for IVMP 0.5 g/day and IVMP 1.0 g/day pulse groups compared with non-IVMP pulse were as follows: all-cause mortality 0.46 (95% CI: 0.07, 2.81) and 0.07 (95% CI: 0.01, 0.41), respectively; all-cause mortality/kidney failure 1.18 (95% CI: 0.26, 5.31) and 0.59 (95% CI: 0.08, 4.52), respectively; subdistribution HRs for severe relapse were 1.26 (95% CI: 0.12, 13.70) and 3.36 (95% CI: 0.49, 23.29), respectively; and for serious infection 1.88 (95% CI: 0.76, 4.65) and 0.94 (95% CI: 0.28, 3.13), respectively. Conclusion IVMP 1.0 g/day pulse may improve 48-week mortality in patients with severe MPA/GPA.
- Subjects
MORTALITY; STATISTICAL models; RESEARCH funding; CREATININE; MICROSCOPIC polyangiitis; STATISTICAL sampling; MULTIPLE regression analysis; SEVERITY of illness index; RANDOMIZED controlled trials; ACUTE kidney failure; INFECTION; DESCRIPTIVE statistics; INTRAVENOUS therapy; GRANULOMATOSIS with polyangiitis; GLOMERULONEPHRITIS; LONGITUDINAL method; DRUG efficacy; RESEARCH methodology; MEDICAL records; ACQUISITION of data; METHYLPREDNISOLONE; DISEASE relapse; CONFIDENCE intervals; DATA analysis software; HEMORRHAGE; PROPORTIONAL hazards models; GLOMERULAR filtration rate
- Publication
Rheumatology, 2024, Vol 63, Issue 9, p2484
- ISSN
1462-0324
- Publication type
Article
- DOI
10.1093/rheumatology/keae219