Single-dose and 4-week repeated dose Toxicity of Aconitum Sinomontanum Nakai Pharmacopuncture: An Experimental Study

다국어 초록 (Multilingual Abstract)

Background: This study aimed to assess the toxicity of Aconitum sinomontanum Nakai (ASN) pharmacopuncture.
Methods: To investigate the toxicity of ASN pharmacopuncture, single and 4-week repeated dose toxicity experiments were conducted on BALB/c mice. In the single-dose toxicity experiment, mice were assigned 1 of 4 groups (5 males, 5 females per group). Then, 31.25, 62.5, and 125 mg/kg of ASN pharmacopuncture were administered to the mice in the experimental groups at acupoint ST36, while 0.2 mL of normal saline was administered to the control group at ST36. After a 4-week repeated dose regimen, the mice were assigned into 4 groups (5 males, 5 females per group). Then, 15.625, 31.25, and 62.5 mg/kg of ASN pharmacopuncture at ST36 were administered to the mice in the experimental groups, while 0.2 mL of normal saline was administered to the control group at ST36. Mortality, morbidity, general body and organ weight changes (after 4 weeks repeated dose), serum hematological and biochemical values, and histopathological changes in the liver and kidney were observed.
Results: In both single and 4-week repeated dose toxicity experiments, no deaths or symptoms occurred in any of the groups. There were no significant differences between groups in terms of body and organ weights, serum hematological and biochemical values, and specific organ histopathological changes.
Conclusion: ASN pharmacopuncture injection did not demonstrate significant toxicity in BALB/c mice compared with the control group, with a no-observed-adverse-effect level for a single dose of >125 mg/kg, and for 4 weeks repeated dose it was more than 62.5 mg/kg/day.

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