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Efficacy and safety of ginsenoside-Rd for acute ischaemic stroke: a randomized, double-blind, placebo-controlled, phase II multicenter trial
Authors:X Liu  J Xia  L Wang  Y Song  J Yang  Y Yan  H Ren  G Zhao
Institution:Department of Neurology, Xijing Hospital;;Department of Statistics, Fourth Military Medical University, Xi'an, Shaanxi, China;;Department of Neurology, First Hospital of Shaanxi province, Shaanxi;;Department of Neurology, Lanzhou Military Command General Hospital, Gansu;;Department of Neurology, First Affiliated Hospital of Chongqing University of Medical Sciences, Chongqing;;and Department of Neurology, First Affilliated Hospital of Kunming Medical College, Yunnan, China
Abstract:Background and purpose:  Ginsenoside-Rd is a selective competitive Ca2+ receptor antagonist. A phase II randomized, double-blind, placebo-controlled, multicenter study was conducted to examine the efficacy and safety of ginsenoside-Rd in patients with acute ischaemic stroke.
Methods:  A total of 199 patients were randomized equally to receive a 14-day infusion of placebo (group B), ginsenoside-Rd 10 mg (group A) or ginsenoside-Rd 20 mg (group C). Primary end-points were National Institutes of Health Stroke Scale (NIHSS) scores at 15 days. Secondary end-points were NIHSS scores and the Barthel Index at 8 days, the Barthel Index and the modified Rankin scale at 15 days and 90 days. The safety end-points included serious and non-serious adverse events, laboratory values and vital signs. Analysis was by intention to treat.
Results:  For the primary study outcome, there is significant difference amongst the three groups at 15 days in NIHSS scores ( P  = 0.0003). Comparing group A with B and group B with C, the difference in the mean for NIHSS was significant in statistics ( P  = 0.0004, P  = 0.0009 respectively). This is no significant difference between group A and C ( P  = 0.9640). For the secondary study outcome, ginsenoside-Rd did not improve neurological functioning. Incidence of serious and non-serious adverse events was similar amongst the three groups.
Conclusions:  Ginsenoside-Rd may be of some benefit in acute ischaemic stroke.
Keywords:ginsenoside-Rd  ischaemic stroke  randomized trial
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