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Article: Preclinical safety evaluation of the aqueous acetone extract of Chinese herbal formula Modified Huo Luo Xiao Ling Dan
Title | Preclinical safety evaluation of the aqueous acetone extract of Chinese herbal formula Modified Huo Luo Xiao Ling Dan |
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Authors | |
Keywords | Acute toxicity tests Chinese herbal formula Chronic toxicity tests Literature investigation Modified Huo Luo Xiao Ling Dan Motor function Rats Safety Sub-chronic toxicity |
Issue Date | 2010 |
Publisher | JCIM Press. The Journal's web site is located at http://www.jcimjournal.com |
Citation | Journal Of Chinese Integrative Medicine, 2010, v. 8 n. 5, p. 438-447 How to Cite? |
Abstract | Objective: To investigate the safety of oral administration of Modified Huo Luo Xiao Ling Dan (HLXLD), a compound traditional Chinese herbal medicine. Methods: The toxicological information of HLXLD and its individual constituent herbs was searched in cintcm or TCMIars (www.cintcm.com), PubMed (MEDLINE), Chinese Herbal Medicine (1999) and WHO Monographs on Selected Medicinal Plants (Vol. I - III) . Single-dose acute toxicity was assessed by using the highest possible dosage. Motor function test was used to determine whether the herbal formula might cause motor impairment. Nine-day HLXLD repeat-dose sub-chronic toxicity/adverse effects, and 42-day chronic toxicity/adverse effects in rats were also assessed. Results: The literature searches showed that HLXLD and its eleven ingredient herbs had no side/adverse effects listed in the traditional Chinese medicine literature. Under the dosages proposed in the formula, the HLXLD formula had no side/adverse effects according to MEDLINE, Chinese Herbal Medicine and WHO Monographs on Selected Medicinal Plants. The studies in rats showed: (1) in single-dose acute toxicity assessment, the maximal feasible single oral dose, 9. 20 g/kg HLXLD, showed no significant effect on clinical signs, or body weight and mortality over a 14-day period in rats; (2) during motor function test, nine-day repeat-dose of daily HLXLD treatment at 4.60 g/kg did not cause motor impairment; (3) in nine-day HLXLD repeat-dose sub-chronic toxicity/adverse effects assessment, there were no noticeable abnormal behavioral changes or obvious adverse reactions and signs in complete Freund's adjuvant inflamed rats (highest observed dosage: 4. 60 g/kg), and no noticeable adverse effects were observed during, or 14 days after nine-day treatment at 4. 60 g/kg in non-inflamed rats; (4) during 42-day chronic toxicity/adverse effects assessments, no noticeable abnormal behavioral changes, no obvious adverse reactions and signs were observed in normal rats administered with HLXLD at a dose of 2.30 g/kg and the values of serum biochemistry and histopathology were in normal range. Conclusion: Both existing information and animal data support that Modified HLXLD is a safe herbal product for clinical application. |
Persistent Identifier | http://hdl.handle.net/10722/188620 |
ISSN | |
References |
DC Field | Value | Language |
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dc.contributor.author | Fan, AY | en_US |
dc.contributor.author | Lao, L | en_US |
dc.contributor.author | Zhang, RX | en_US |
dc.contributor.author | Zhou, AN | en_US |
dc.contributor.author | Berman, BM | en_US |
dc.date.accessioned | 2013-09-03T04:10:40Z | - |
dc.date.available | 2013-09-03T04:10:40Z | - |
dc.date.issued | 2010 | en_US |
dc.identifier.citation | Journal Of Chinese Integrative Medicine, 2010, v. 8 n. 5, p. 438-447 | en_US |
dc.identifier.issn | 1672-1977 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/188620 | - |
dc.description.abstract | Objective: To investigate the safety of oral administration of Modified Huo Luo Xiao Ling Dan (HLXLD), a compound traditional Chinese herbal medicine. Methods: The toxicological information of HLXLD and its individual constituent herbs was searched in cintcm or TCMIars (www.cintcm.com), PubMed (MEDLINE), Chinese Herbal Medicine (1999) and WHO Monographs on Selected Medicinal Plants (Vol. I - III) . Single-dose acute toxicity was assessed by using the highest possible dosage. Motor function test was used to determine whether the herbal formula might cause motor impairment. Nine-day HLXLD repeat-dose sub-chronic toxicity/adverse effects, and 42-day chronic toxicity/adverse effects in rats were also assessed. Results: The literature searches showed that HLXLD and its eleven ingredient herbs had no side/adverse effects listed in the traditional Chinese medicine literature. Under the dosages proposed in the formula, the HLXLD formula had no side/adverse effects according to MEDLINE, Chinese Herbal Medicine and WHO Monographs on Selected Medicinal Plants. The studies in rats showed: (1) in single-dose acute toxicity assessment, the maximal feasible single oral dose, 9. 20 g/kg HLXLD, showed no significant effect on clinical signs, or body weight and mortality over a 14-day period in rats; (2) during motor function test, nine-day repeat-dose of daily HLXLD treatment at 4.60 g/kg did not cause motor impairment; (3) in nine-day HLXLD repeat-dose sub-chronic toxicity/adverse effects assessment, there were no noticeable abnormal behavioral changes or obvious adverse reactions and signs in complete Freund's adjuvant inflamed rats (highest observed dosage: 4. 60 g/kg), and no noticeable adverse effects were observed during, or 14 days after nine-day treatment at 4. 60 g/kg in non-inflamed rats; (4) during 42-day chronic toxicity/adverse effects assessments, no noticeable abnormal behavioral changes, no obvious adverse reactions and signs were observed in normal rats administered with HLXLD at a dose of 2.30 g/kg and the values of serum biochemistry and histopathology were in normal range. Conclusion: Both existing information and animal data support that Modified HLXLD is a safe herbal product for clinical application. | en_US |
dc.language | eng | en_US |
dc.publisher | JCIM Press. The Journal's web site is located at http://www.jcimjournal.com | en_US |
dc.relation.ispartof | Journal of Chinese Integrative Medicine | en_US |
dc.subject | Acute toxicity tests | - |
dc.subject | Chinese herbal formula | - |
dc.subject | Chronic toxicity tests | - |
dc.subject | Literature investigation | - |
dc.subject | Modified Huo Luo Xiao Ling Dan | - |
dc.subject | Motor function | - |
dc.subject | Rats | - |
dc.subject | Safety | - |
dc.subject | Sub-chronic toxicity | - |
dc.subject.mesh | Animals | en_US |
dc.subject.mesh | Drug Evaluation, Preclinical | en_US |
dc.subject.mesh | Drugs, Chinese Herbal - Administration & Dosage - Adverse Effects | en_US |
dc.subject.mesh | Plant Extracts - Administration & Dosage - Adverse Effects | en_US |
dc.subject.mesh | Rats | en_US |
dc.subject.mesh | Rats, Sprague-Dawley | en_US |
dc.subject.mesh | Toxicity Tests, Chronic | en_US |
dc.title | Preclinical safety evaluation of the aqueous acetone extract of Chinese herbal formula Modified Huo Luo Xiao Ling Dan | en_US |
dc.type | Article | en_US |
dc.identifier.email | Lao, L: lxlao1@hku.hk | en_US |
dc.identifier.authority | Lao, L=rp01784 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.3736/jcim20100507 | en_US |
dc.identifier.pmid | 20456842 | - |
dc.identifier.scopus | eid_2-s2.0-77952411406 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-77952411406&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 8 | en_US |
dc.identifier.issue | 5 | en_US |
dc.identifier.spage | 438 | en_US |
dc.identifier.epage | 447 | en_US |
dc.publisher.place | China | en_US |
dc.identifier.scopusauthorid | Fan, AY=55240722400 | en_US |
dc.identifier.scopusauthorid | Lao, L=7005681883 | en_US |
dc.identifier.scopusauthorid | Zhang, RX=7404864527 | en_US |
dc.identifier.scopusauthorid | Zhou, AN=55161019400 | en_US |
dc.identifier.scopusauthorid | Berman, BM=35458606800 | en_US |
dc.identifier.issnl | 1672-1977 | - |