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- Title
Life prognosis and renal relapse after induction therapy in Japanese patients with proliferative and pure membranous lupus nephritis.
- Authors
Okamoto, Momoko; Kitamura, Mineaki; Sato, Shuntaro; Fujikawa, Keita; Horai, Yoshiro; Matsuoka, Naoki; Tsuboi, Masahiko; Nonaka, Fumiaki; Shimizu, Toshimasa; Koga, Tomohiro; Kawashiri, Shin-ya; Iwamoto, Naoki; Tamai, Mami; Nakamura, Hideki; Origuchi, Tomoki; Nishino, Tomoya; Kawakami, Atsushi; Ichinose, Kunihiro
- Abstract
Objective We aimed to compare life prognosis and renal relapse after induction therapy in proliferative (PLN) and pure membranous LN (MLN). Methods We retrospectively analysed the cases of 140 of 172 patients with LN who underwent a renal biopsy at our hospital or community hospitals from 1993 to 2016. We determined the complete response (CR) rate at 12 months after the patients had started induction therapy, and we evaluated the predictive factors for CR, life prognosis and renal relapse in PLN and pure MLN. We defined PLN as International Society of Neurology and the Renal Pathology Society (ISN/RPS) Class III or IV and MLN as ISN/RPS Class V. Results The renal pathology of 99 (70.7%) patients was classified as PLN, and that of the other 41 (29.3%) patients as MLN. Fifty patients (50.5%) with PLN and 22 patients (53.7%) with MLN achieved a CR at 12 months. A multivariate analysis showed that a lower index of chronicity in PLN and a higher total haemolytic complement (CH50) level in MLN were predictive factors for achieving a CR at 12 months. A Kaplan–Meier analysis showed that the life prognosis (P = 0.93) and renal relapse (P = 0.52) were not significantly different between PLN and MLN. Conclusions The predictive factors for a CR at 12 months post-induction therapy were index of chronicity in PLN and CH50 level in MLN. There were no significant differences in life prognosis or renal relapse between PLN and MLN in the achievement of a CR at 12 months post-induction therapy.
- Subjects
JAPAN; LUPUS nephritis; BIOPSY; KIDNEYS; MULTIVARIATE analysis; RETROSPECTIVE studies; COMMUNITY health services; DISEASE relapse; TREATMENT effectiveness; COMPARATIVE studies; SEVERITY of illness index; DESCRIPTIVE statistics; SURVIVAL analysis (Biometry); KAPLAN-Meier estimator
- Publication
Rheumatology, 2021, Vol 60, Issue 5, p2333
- ISSN
1462-0324
- Publication type
Article
- DOI
10.1093/rheumatology/keaa599