Pediatric nephrology (Berlin, Germany) · 2025
Retrospective analysis of glucocorticoid therapy in pediatric immunoglobulin A nephropathy: Kidney outcomes and efficacy.
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Wu Heyan, Xia Zhengkun, Zhang Lidan
Аннотация
BACKGROUND: The efficacy of glucocorticoid (GC) in the management of immunoglobulin A nephropathy (IgAN) remains highly controversial. The study was conducted to analyze the efficacy and kidney outcomes of GC in the treatment of pediatric IgAN.
METHODS: Using the follow-up data of children with chronic kidney disease from the Department of Pediatrics at Jinling Hospital between January 2000 and December 2020, we selected children with primary IgAN who were ≤ 18 years old, confirmed by kidney biopsy, and had undergone regular follow-up for more than 2 years. Patients who had previously used other immunosuppressive agents or had not received renin-angiotensin system blocker (RASB) treatment were excluded. The selected patients were divided into two groups based on their prior treatment regimens: the GC + RASB group and the RASB group. The primary outcome was a composite of a 40% decrease in estimated glomerular filtration rate (eGFR) from baseline, kidney failure, or death due to kidney disease.
RESULTS: A total of 374 patients (149 females) were enrolled, with 230 in the GC + RASB group and 144 in the RASB group. At baseline, the GC + RASB group had lower albumin and higher creatinine levels (all P < 0.05). From 6 months of treatment, the GC + RASB group showed higher urinary protein remission rates (P < 0.05), but hematuria relief was similar between groups. Adverse events, including centripetal obesity, were more frequent in the GC + RASB group (P = 0.001). After a median follow-up of 130.97 months, the GC + RASB group had fewer endpoint events (5.22% vs. 11.11%, P = 0.035) and higher cumulative kidney event-free survival rates, particularly in patients with eGFR > 50 ml/min/1.73 m2 and 24 h-UP ≥ 1 g/d (all P < 0.05).
CONCLUSIONS: GC therapy reduced the risk of progression to kidney failure in children with initial eGFR > 50 ml/min/1.73 m2 and proteinuria ≥ 1 g/d. No additional kidney event-free survival benefit was observed in children with eGFR ≤ 50 ml/min/1.73 m2 or proteinuria < 1 g/d.
METHODS: Using the follow-up data of children with chronic kidney disease from the Department of Pediatrics at Jinling Hospital between January 2000 and December 2020, we selected children with primary IgAN who were ≤ 18 years old, confirmed by kidney biopsy, and had undergone regular follow-up for more than 2 years. Patients who had previously used other immunosuppressive agents or had not received renin-angiotensin system blocker (RASB) treatment were excluded. The selected patients were divided into two groups based on their prior treatment regimens: the GC + RASB group and the RASB group. The primary outcome was a composite of a 40% decrease in estimated glomerular filtration rate (eGFR) from baseline, kidney failure, or death due to kidney disease.
RESULTS: A total of 374 patients (149 females) were enrolled, with 230 in the GC + RASB group and 144 in the RASB group. At baseline, the GC + RASB group had lower albumin and higher creatinine levels (all P < 0.05). From 6 months of treatment, the GC + RASB group showed higher urinary protein remission rates (P < 0.05), but hematuria relief was similar between groups. Adverse events, including centripetal obesity, were more frequent in the GC + RASB group (P = 0.001). After a median follow-up of 130.97 months, the GC + RASB group had fewer endpoint events (5.22% vs. 11.11%, P = 0.035) and higher cumulative kidney event-free survival rates, particularly in patients with eGFR > 50 ml/min/1.73 m2 and 24 h-UP ≥ 1 g/d (all P < 0.05).
CONCLUSIONS: GC therapy reduced the risk of progression to kidney failure in children with initial eGFR > 50 ml/min/1.73 m2 and proteinuria ≥ 1 g/d. No additional kidney event-free survival benefit was observed in children with eGFR ≤ 50 ml/min/1.73 m2 or proteinuria < 1 g/d.