Background: There is concern that recommendations on prophylactic antiseizure drugs (PASDs) for patients with spontaneous intracerebral hemorrhage (sICH) are biased by studies using older drugs and no electrographic monitoring. Aims: We performed a systematic review and meta-analysis to determine whether PASDs in patients with sICH reduced seizure occurrence and improved functional outcomes. We included analyses of newer trials, newer antiseizure drugs, and effectiveness in patients with consistent electrographic monitoring. Methods: Medline, Embase, and Cochrane were searched from inception until August 12th, 2022, to identify studies with patients with sICH treated with PASDs, regardless of study design. The studied outcomes were functional status and occurrence of seizures. Results: 14 studies were included, including 6742 patients. Risk of bias was low overall. There was no effect of PASD on seizure occurrence overall (OR 0.73, 95% CI 0.47-1.15) but they were associated with reduced occurrence in studies with electrographic monitoring (OR 0.36, 95% CI 0.18-0.70). There was no effect of PASDs on functional outcomes (OR 1.15; 95% CI 0.91-1.47) or mortality (OR 0.85, 95% CI 0.65-1.11). Conclusions: Prophylactic antiseizure medications after spontaneous intracerebral hemorrhage reduce seizures in studies with EEG monitoring in high-risk patients. However, this benefit did not reflect in improvement of functional outcomes, even in studies with newer, less toxic, antiseizure drugs.

Background Several randomized clinical trials (RCTs) have shown that dual orexin receptor antagonists (DORAs) are effective in the treatment of chronic insomnia. However, the superiority of one particular DORA over the others remains unclear. Objective To perform a network meta-analysis to evaluate the efficacy of different DORAs in patients with chronic insomnia. Methods The Medline, Embase, and Cochrane Central databases were searched for RCTs that compared DORA with placebo in patients ≥ 18 years of age with a diagnosis of insomnia disorder. We pooled outcomes for wake time after sleep onset (WASO), latency to persistent sleep (LPS), total sleep time (TST), and adverse events (AEs). Results We included 10 RCTs with 7,806 patients, 4,849 of whom received DORAs as the intervention. Overall, we found that DORAs were associated with the improvement of all analyzed efficacy outcomes. Concerning TST, an apparent dose-dependent pattern was noticed, with higher doses relating to a longer TST. Lemborexant 10mg provided the largest reduction in WASO (at month 1) in minutes (standardized mean difference [SMD] = -25.40; 95% confidence interval [95%CI] = -40.02–-10.78), followed by suvorexant 20/15mg (SMD = -25.29; 95%CI = -36.42–-14.15), which also appeared to provide the largest decrease in long-term WASO (SMD = -23.70; 95%CI = -35.89–-11.51). The most frequent AEs were somnolence, nasopharyngitis, and headache, with rates of up to 14.8%. Conclusion Our results suggest that DORAs are associated with greater efficacy when compared with placebo in the treatment of insomnia, a complex 24-hour sleep disorder. Additionally, dosing might play an important role in the management of chronic insomnia.

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