Efficacy and safety of oxiracetam in patients with vascular cognitive impairment: A multicenter, randomized, double-blinded, placebo-controlled, phase IV clinical trial

Jae‐Sung Lim, Juneyoung Lee, Yeonwook Kang, Hyuntae Park, Dong‐Eog Kim, Jae‐Kwan Cha, Tai Hwan Park, Jaehyuk Heo, Kyung Bok Lee, Jong‐Moo Park, Mi Sun Oh, Eung Gyu Kim, Dae‐Il Chang, Sung Hyuk Heo, Man‐Seok Park, HyunYoung Park, SangHak Yi, Yeong‐Bae Lee, Kwang‐Yeol Park, Soo Joo Lee, Jae Guk Kim, Jun Lee, Kyung‐Hee Cho, Joung‐Ho Rha, Yeong-In Kim, Jun Hong Lee, Jay Chol Choi, Kyungmi Oh, Jee‐Hyun Kwon, Chulho Kim, Jong‐Ho Park, Keun‐Hwa Jung, Sang Min Sung, Jong‐Won Chung, Yong-Seok Lee, Hahn Young Kim, Hyun-Ji Cho, Jeong Wook Park, Won‐Jin Moon, Hee‐Joon Bae