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1.
Article in Chinese | WPRIM | ID: wpr-879089

ABSTRACT

Traditional Chinese medicine(TCM) injections boast a definite efficacy and have been widely used in clinic. However, the problems in medication safety have been attracted increasing attention. Pharmacokinetics is of significance to guiding TCM injection administration regimen design and improving safety and effectiveness in clinical use. In recent years, with the improvement of ideas, technology and methods of TCM studies, the pharmacokinetic studies of TCM injections have been broadly performed, with a notable progress. This paper reviewed the advance in pharmacokinetics studies of TCM injections in recent ten years, which mainly focused on pre-clinical concentration-time course, distribution, metabolism and excretion in vivo based on analysis techniques, pharmacokinetic interactions of constitutes, impact of pathological state, pharmacokinetic interactions between TCM injection and chemical drugs, and clinical pharmacokinetics studies of TCM injections, in the expectation of providing reference for studies on quality control, product development and rational clinical use of TCM injections.


Subject(s)
Drugs, Chinese Herbal , Injections , Medicine, Chinese Traditional , Quality Control
2.
Braz. J. Pharm. Sci. (Online) ; 53(4): e00054, 2017. tab, graf
Article in English | LILACS | ID: biblio-889427

ABSTRACT

ABSTRACT This study was carried out to understand the influence of a selected antiarrhythmic drug on the pharmacodynamics and pharmacokinetics of an antidiabetic drug in animal models. Pharmacodynamic and pharmacokinetic responses were determined by measurements of blood glucose and serum insulin and serum metformin to drug interactions between disopyramide and metformin. Single dose and multi dose studies showed that the maximum blood glucose reductions in normal and diabetic rats were at the 6th hour, and in rabbits at the 3rd hour. Glucose-insulin homeostasis was evaluated to assess the safety and effectiveness of the combination. There was a marginal increase in the pharmacokinetic parameters of metformin with multiple dose treatments of disopyramide but no significant changes in kinetic parameters between single and multiple dose studies, compared to metformine alone. There may be a possibility of disopyramide and metformin interaction at the excretion stage, or an additive pharmacodynamic action. This study validates the drug interaction in two dissimilar species, which indicates more probability of its occurrence in humans.


Subject(s)
Animals , Male , Female , Rabbits , Rats , Drug Interactions , Metformin/pharmacokinetics , Anti-Arrhythmia Agents/administration & dosage , Chromatography, High Pressure Liquid/methods , Diabetes Mellitus/diagnosis , Disopyramide/pharmacokinetics , Hypoglycemia
3.
Article in English | IMSEAR | ID: sea-151907

ABSTRACT

Drug interactions are an important cause of medication errors. The present study was conducted to evaluate the nature and clinical significance of potential drug-drug interactions (DDIs) in inpatients of Medicine Department at a tertiary care hospital in India. The second day prescription of every alternate indoor patient from five randomly selected medical units of a tertiary care hospital were collected. Prescriptions were analyzed for potential DDIs using the web based interaction checkers of Medscape and Current Index of Medical Specialties. The average numbers of drugs per prescription and potential DDIs per prescription and the types, age wise distribution and clinical significance of the potential DDIs were evaluated. A total of 3405 potential DDIs were detected in 257 prescriptions. An average 8.28 drugs were prescribed per prescription. The most common drug groups involved in potential DDIs were diuretics (n=255), NSAIDs (n=225), β blockers (n=143), cardiac glycosides (n=129) and statins (n=122). Potential DDIs were most frequent in patients between 61-75 years of age. The clinical significance was graded as serious (n=123), significant (n=949), minor (n=2328) and contraindicated (n=5). An increased risk of rhabdomyolysis (n=41) and an increase in QTc interval (n=38) were the most common potentially serious DDIs detected. Of the 1077 DDIs (excluding minor DDIs), 615 were pharmacodynamic and 462 were pharmacokinetic interactions. Potential DDIs increased with an increase in the number of prescribed drugs. Improved awareness among prescribers is required to reduce the risks associated with DDIs. Use of drug groups, commonly involved in potential DDIs, should be minimized and optimized while prescribing.

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