Clinical observation and mechanism study on treatment of senile dementia with Naohuandan

Rong Sen Meng, Qing Ming Li, Chang Xiu Wei, Bo Chen, Hong Ying Liao, Yu Tian Zhou

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Objective: To observe the therapeutic effect and mechanism of Naohuandan (Chinese characters, NHD) in treating senile dementia (SD). Methods: Clinical study: Fifty-eight patients with SD, whose diagnosis conforms to the Diagnostic Standard of DSM-IV issued by American Association of Psychiatry, were enrolled and randomly assigned into two groups. The 30 patients in the treated group were treated with NHD, 4 capsules each time, 3 times daily. The 28 patients in the control group were treated with Piracetam, 1.6 g each time, 3 times daily. The therapeutic course for both groups was 3 months. The therapeutic efficacy was estimated and compared by comprehensive scores of memory and cognition, scores of Mini-mental State Examination (MMSE) and Activities of Daily Living (ADL). Experimental study: Rats were divided into the control group, the model group and the high-dosage and low-dosage NHD treated groups. The protective effect of NHD on the per-oxidative damage of hippocampal neurons in β-amyloid protein induced SD model was observed and the related criteria were determined. Results: Clinical study showed that both NHD and Piracetam could improve the clinical symptoms of patients, the two medicines showing insignificant difference in total effective rate. But NHD was better in elevating MMSE score and lowering ADL score in patients than Piracetam (P < 0.05 and P < 0.01). Experimental study showed that (1) 24 and 72 hrs after modeling, the activity of SOD and GSH were lower and the level of MDA higher in the model group than those in the control group (P < 0.05 or P < 0.01). Compared with the model group at the corresponding time points, in the high-dosage NHD group, SOD and GSH were higher, MDA was lower (P < 0.05 or P < 0.01); but in the low-dosage NHD group, SOD at the 72th hr was higher (P < 0.05) and MDA at 24th and 72th hrs was lower (P < 0.01). And most of the criteria in the high-dosage NHD group was improved better than that in the low-dosage NHD group. (2) The survival rates of neurons in various groups were not different significantly (P > 0.05) 24 hrs after modeling, but that in the high-dosage NHD group was significantly higher than that in the model group (P < 0.01) and in the low-dosage NHD group 72 hrs after modeling (P < 0.05). Conclusion: NHD is an effective Chinese herbal preparation for treatment of SD, and its mechanism is related with its inhibition on peroxidative injury and protection on neurons.

Original languageEnglish (US)
Pages (from-to)111-116
Number of pages6
JournalChinese Journal of Integrative Medicine
Volume11
Issue number2
StatePublished - Jun 1 2005

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Piracetam
Alzheimer Disease
Observation
Activities of Daily Living
Plant Preparations
Amyloidogenic Proteins
Therapeutics
Control Groups
Therapeutic Uses
Diagnostic and Statistical Manual of Mental Disorders
Cognition
Capsules
Psychiatry
Neurons
Wounds and Injuries
Clinical Studies

Keywords

  • Amyloid protein
  • Naohuandan
  • Peroxidative injury
  • Senile dementia

ASJC Scopus subject areas

  • Complementary and alternative medicine
  • Pharmacology (medical)

Cite this

Meng, R. S., Li, Q. M., Wei, C. X., Chen, B., Liao, H. Y., & Zhou, Y. T. (2005). Clinical observation and mechanism study on treatment of senile dementia with Naohuandan. Chinese Journal of Integrative Medicine, 11(2), 111-116.

Clinical observation and mechanism study on treatment of senile dementia with Naohuandan. / Meng, Rong Sen; Li, Qing Ming; Wei, Chang Xiu; Chen, Bo; Liao, Hong Ying; Zhou, Yu Tian.

In: Chinese Journal of Integrative Medicine, Vol. 11, No. 2, 01.06.2005, p. 111-116.

Research output: Contribution to journalArticle

Meng, RS, Li, QM, Wei, CX, Chen, B, Liao, HY & Zhou, YT 2005, 'Clinical observation and mechanism study on treatment of senile dementia with Naohuandan', Chinese Journal of Integrative Medicine, vol. 11, no. 2, pp. 111-116.
Meng, Rong Sen ; Li, Qing Ming ; Wei, Chang Xiu ; Chen, Bo ; Liao, Hong Ying ; Zhou, Yu Tian. / Clinical observation and mechanism study on treatment of senile dementia with Naohuandan. In: Chinese Journal of Integrative Medicine. 2005 ; Vol. 11, No. 2. pp. 111-116.
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AU - Meng, Rong Sen

AU - Li, Qing Ming

AU - Wei, Chang Xiu

AU - Chen, Bo

AU - Liao, Hong Ying

AU - Zhou, Yu Tian

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KW - Amyloid protein

KW - Naohuandan

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