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Yizhi capsule

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Type of traditional Chinese medicine

Yizhi capsule (YZC) is a type of traditional Chinese medicine (TCM) developed for treating vascular dementia.

Studies

A study in rats concluded that Yizhi capsule (YZC) has an action of improving learning and memory disorder, and good protective effect on Aβ25–35 induced neurotoxicity in SD rats. Another study assessed the efficacy of Yizhi capsule in treating senile dementia. The results showed that Yizhi capsule could remarkably increase mini-mental state examination (MMSE) and Hamilton Depression Scale (HDS) marks of patients with vascular dementia. Moreover, Yizhi capsule improved cerebral blood flow, brain electrical activity monitoring (BEAM) and hemorheological indexes especially for the abnormal case. Another study mentions that the raised score in the revised Hasegawa dementia scales (HDS) demonstrated that the effect of Yizhi capsules in treating loss of intellectual function after cerebrovascular diseases was significantly better than that of the drug Piracetam. The study concluded that the data indicate that Yizhi capsule is a relatively good preparation for prevention of vascular dementia.

A Cochrane review in 2007, however, concluded that none of the studies conducted up to that time used methods that could provide strong evidence that the capsules are an effective treatment.

References

  1. This domain has been redirected. at the Wayback Machine (archived June 7, 2014)
  2. Hang-yu, Wu; Jiang-ping, Xu; Lin, Li; Bai-hua, Zhu (June 2006). "Effects of Yizhi Capsule on learning and memory disorder and β-amyloid peptide induced neurotoxicity in rats". Chinese Journal of Integrative Medicine. 12 (2): 137–141. doi:10.1007/bf02857361. PMID 16800994. S2CID 71757964.
  3. Chen, K; Chen, KJ; Zhou, WQ (July 1997). "". Zhongguo Zhong Xi Yi Jie He Za Zhi. 17 (7): 393–397. PMID 10322856.
  4. Xu, H; Shao, N; Cui, D; Hu, Z; Bi, J; Jiang, Q; Li, N (March 2000). "A clinical study of yi zhi capsules in prevention of vascular dementia". Journal of Traditional Chinese Medicine. 20 (1): 10–13. PMID 10921161.
  5. Wu Taixiang; Li Qingpu; Yuan Zhenyong (2007). "Yizhi capsule for vascular dementia". Cochrane Database of Systematic Reviews. 2 (2): CD005382. doi:10.1002/14651858.CD005382.pub2. PMC 7387331. PMID 17443586.
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