of OSU6162 and placebo on fatigue and neuropsychological function.Condition or disease Intervention/treatment Phase Aneurysmal Subarachnoid Hemorrhage Drug: OSU6162 Drug: Placebo Oral Tablet Phase 2 Detailed Description: The primary objective of this study is to evaluate the efficacy of OSU6162 with respect to sequela after aneurysmal subarachnoid