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Real-World Effects of Biologics on Renal Function in Psoriatic Patients: A Retrospective Study
Chun-Bing Chen1,2,3,4,5,6,7,8,9, Yu-Tung Huang10, Ching-Chung Hsiao2,11
1Department of Dermatology, Chang Gung Memorial Hospital, Linkou, 5, Fuxing St, Guishan Dist, Taoyuan, 33305, Taiwan.
Background:
Patients with severe psoriasis are prone to deterioration of renal function. Whether biologics with potent anti-inflammatory action can prevent deterioration of renal function in psoriatic patients was unclear.
Objective:
To investigate the effects of different biologics on renal function in patients with severe psoriasis.
Methods:
By using the Chang Gung Research Database in Taiwan during 2006-2018, we analyzed the changes in renal function of psoriatic patients from 2 years before biologic treatments to baseline (start of biologic treatment) to after 2 years' treatment with different classes of biologics (anti-TNF, anti-IL-12/23, and anti-IL-17 agents). The renal function was evaluated by estimated glomerular filtration rate (eGFR) and the staging of chronic kidney disease (CKD). We further analyzed the risk factors of progression on the staging of CKD during biologics treatment.
Results:
We included 601 patients with severe psoriasis receiving continuous use of biologics for ≥ 2 years. We detected no significant differences between pre-biologic treatment with conventional systemic treatment and post-biologic treatment in the levels of eGFR and progression of CKD staging among psoriatic patients receiving different classes of biologics. Most patients (97.8%) remained at stable CKD stage, while progression of CKD stage over time occurred in 13 patients (2.2%), with seven treated with anti-TNF biologics and six treated with anti-IL-12/23 biologics. Of note, all 52 patients receiving anti-IL-17 biologics had stable CKD. Progression of CKD during biologics use was associated with lower baseline levels of eGFR, higher baseline CKD stage, older age, diabetes, and dyslipidemia. Further multiple logistic regression analysis showed diabetes as an independent factor for the deterioration of renal function during biologic treatment.
Conclusions:
Biologic treatments failed to improve but did not worsen renal function of psoriatic patients during a 2-year follow-up period. Diabetes is an important risk factor for the deterioration of renal function.
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