Pharmacokinetics comparative study of a novel Chinese traditional herbal formula and its compatibility
Qin Zheng1, Peng-Fei Yue, Bin Wu
1Key Lab of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China.
Ethnopharmacological Relevance:
Da Chuan Xiong Decoction Compound preparation (DCXDCP), the formulation of a classical Chinese prescription recorded in "Xuanminglunfang", was clinically employed to treat migraine's disease.
Aim Of The Study:
In order to investigate the influence of compatibility on the pharmacokinetics of the active ingredient gastrodin (GAS), the comparative evaluations on pharmacokinetics of DCXDCP with various combinations of its constituent herbs in plasma after oral administration were studied.
Materials And Methods:
The rats were randomly assigned to four groups and orally administered with different prescription proportion of Gastrodia elata Bl. and Ligusticum chuanxiong Hort. (1:0; 1:0.25; 1:2.1; 1:4.2), respectively. At different predetermined time points after administration, the concentrations of GAS in rat plasma were determined by using HPLC, and main pharmacokinetic parameters were investigated.
Results:
The results showed that the pharmacokinetic parameters, AUC and C(max) of GAS were dramatically different (p<0.05) after oral administration of G. elata Bl. and the different combinations of its constituent herbs.
Conclusions:
These indicated that the compatibility effects of other ingredients present in DCXDCP could affect the pharmacokinetics of the prescription.
Related Concept Videos
Pharmacokinetics: Drug–Food and Drug–Viral Interactions
Bioequivalence of Drugs: Drugs with Multiple Indications
Pharmacokinetic–Pharmacodynamic Relationship: Problems
Pharmaceutical Alternatives: Stability-Related Therapeutic Nonequivalence
Bioavailability Study Design: Single Versus Multiple Dose Studies
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

