Valacyclovir (VACV) is used increasingly to treat herpes zoster, although neuropsychiatric symptoms [VACV neurotoxicity (VAN) or acyclovir neurotoxicity], may accompany use of this drug. To promote awareness of this rare condition, we describe here two clinical cases of VAN we previously reported and review 20 cases from the literature. In all cases, chronic or acute renal failure preceded VAN. The symptoms of VAN varied, but disturbances of consciousness and hallucination occurred most commonly. When acute renal failure was due to the drug, recovery from both the disturbance of consciousness and renal failure followed within several days after discontinuation of VACV. Early recognition and diagnosis will ensure effective treatment of VAN.

The Sirt1 activator SRT1720 suppressed inflammatory cell infiltration and cytokine production in an OVA-induced mouse model of asthma. SRT1720 and resveratrol suppressed OVA-induced splenocyte proliferation and TNF-α and IL-6 production. Sirt1 activators might have beneficial effects in asthmatics by suppressing inflammation.

The Cr/CysC ratio could serve as a useful predictive marker for chemotherapy-related adverse effects in patients with NSCLC.

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