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Increased blood pressure (BP) variability (BPV) is associated with high cardiovascular risk in hemodialysis. Studies on the effects of antihypertensive drugs on BPV in hemodialysis are scarce. This study examines the effects of nebivolol and irbesartan on short-term BPV in patients with intradialytic hypertension. This randomized-cross-over study included 38 patients (age: 60.4 ± 11.1 years, male: 65.8%) with intradialytic hypertension (intradialytic-SBP increase ≥ 10 mmHg at ≥4 over 6 consecutive sessions). After the baseline evaluation, participants were randomized to nebivolol 5 mg and subsequently irbesartan 150 mg, or vice versa, with a two-week wash-out period before initiation of the second drug. Patients underwent three respective 24 h-ABPM sessions starting before a midweek-session. We calculated the standard deviation (SD), weighted SD (wSD), coefficient of variation (CV), and average …