Objective: To evaluate the efficacy and safety of desmopressin on frequency and urgency in female patients with overactive bladder (OAB) and nocturia.
Methods: A selective database search was conducted to validate the effectiveness of desmopressin in patients with OAB and nocturia. Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were utilised. The meta-analysis included 378 women (five studies) with OAB. The clinical outcomes and adverse events were analysed.
Results: The treatment strategy of all the studies included can be divided into three categories: (1) The effect of desmopressin compared with baseline, (2) desmopressin compared with placebo, and (3) desmopressin and anticholinergic combination versus desmopressin monotherapy. There was a significant (50%) reduction in nocturia and urgency episodes after using desmopressin alone. Combined desmopressin and anticholinergic led to a decrease in the frequency of nocturia voids when only using anticholinergic (65% vs. 33.2%). The time increased in the middle to the first nightly voids in the combination arm (65.11 min; p=0.045). The mean incidence (standard deviation) of leak-free episodes was higher under desmopressin than under placebo in the first 4 h (62% [35%] vs. 48% [40%]) and in the first 8 h (55% [37%] vs. 40% [41%]). The safety profile was comparable between treatments.
Conclusion: Available data indicate that desmopressin is efficacious in significantly reducing nighttime urine production, episodes of nocturia, and urgency episodes. The affectivity of the combination therapy was very high with least side effects for the treatment of OAB/nocturnal polyuria.
Keywords: Desmopressin; Lower urinary tract; Nocturia; Overactive bladder; Urinary urgency.
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