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http://dx.doi.org/10.13045/jar.2019.00143

The Safety and Analgesic Effect of Datura Flos Pharmacopuncture in Sprague-Dawley Rats  

Jun, Seungah (Department of Acupuncture & Moxibustion medicine, College of Korean medicine, Daegu Haany University)
Lee, Yun Kyu (Department of Acupuncture & Moxibustion medicine, College of Korean medicine, Daegu Haany University)
Lee, Bong Hyo (Department of Acupuncture, Moxibustion and Acupoint, College of Korean medicine, Daegu Haany University)
Kim, Jae Soo (Department of Acupuncture & Moxibustion medicine, College of Korean medicine, Daegu Haany University)
Lee, Hyun-Jong (Department of Acupuncture & Moxibustion medicine, College of Korean medicine, Daegu Haany University)
Publication Information
Journal of Acupuncture Research / v.36, no.3, 2019 , pp. 147-153 More about this Journal
Abstract
Background: The aim of this study was to investigate the safety and analgesic effects of Datura Flos pharmacopuncture (DFP). Methods: The analgesic effects of DFP were assessed using mechanical (hot plate), chemical (formalin test), and thermal (von Frey filament test) pain tests. Forty male Sprague Dawley rats were assigned randomly into DFP (75 mg/kg, 150 mg/kg), lidocaine 0.5%, or normal saline group for treatment on Kl3. Gross pathology, histopathology, biochemistry and hematology were performed. Results: In the hot plate test, DFP at a high dose (HDDFP; 150 mg/kg) produced a significant analgesic effect, at 10 and 20-minutes post injection (p < 0.01). Low dose DFP (LDDFP; 75 mg/kg) also showed an analgesic effect at 10 minutes post injection (p < 0.01). In the formalin test, HDDFP produced an analgesic effect, for 0-10 and 10-20 minutes (p < 0.01) post treatment, whereas LDDFP showed analgesic effects between 10-20 minutes (p < 0.05). In the von Frey filament test, DF-H produced an analgesic effect, 10 (p < 0.01) and 20 minutes post treatment (p < 0.05). LDDFP showed analgesic effect at 10 minutes (p < 0.05). In the acupuncture response test, HDDFP produced an analgesic effect at 10 minutes post treatment (p < 0.05). DF-H did not cause any anatomical changes to the liver or kidney and there were no abnormalities in biochemistry or hematology. Conclusion: DF-H was not toxic and provided short term analgesia, suggesting it may be useful in the management of pain.
Keywords
pharmacopuncture; lethal dose 50; formalin test;
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