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Interactions between traditional Chinese medicine and western drugs in Taiwan: A population-based study.
Comput Methods Programs Biomed. 2015 Dec; 122(3):462-70.CM

Abstract

BACKGROUND

Drug-drug interactions have long been an active research area in clinical medicine. In Taiwan, however, the widespread use of traditional Chinese medicines (TCM) presents additional complexity to the topic. Therefore, it is important to see the interaction between traditional Chinese and western medicine.

OBJECTIVE

(1) To create a comprehensive database of multi-herb/western drug interactions indexed according to the ways in which physicians actually practice and (2) to measure this database's impact on the detection of adverse effects between traditional Chinese medicine compounds and western medicines.

METHODS

First, a multi-herb/western medicine drug interactions database was created by separating each TCM compound into its constituent herbs. Each individual herb was then checked against an existing single-herb/western drug interactions database. The data source comes from the National Health Insurance research database, which spans the years 1998-2011. This study estimated the interaction prevalence rate and further separated the rates according to patient characteristics, distribution by county, and hospital accreditation levels. Finally, this new database was integrated into a computer order entry module of the electronic medical records system of a regional teaching hospital. The effects it had were measured for two months.

RESULTS

The most commonly interacting Chinese herbs were Ephedrae Herba and Angelicae Sinensis Radix/Angelicae Dahuricae Radix. Ephedrae Herba contains active ingredients similar to in ephedrine. 15 kinds of traditional Chinese medicine compounds contain Ephedrae Herba. Angelicae Sinensis Radix and Angelicae Dahuricae Radix contain ingredients similar to coumarin, a blood thinner. 9 kinds of traditional Chinese medicine compounds contained Angelicae Sinensis Radix/Angelicae Dahuricae Radix. In the period from 1998 to 2011, the prevalence of herb-drug interactions related to Ephedrae Herba was 0.18%. The most commonly prescribed traditional Chinese compounds were MA SHING GAN SHYR TANG (23.1%), followed by SHEAU CHING LONG TANG (15.5%) and DINQ CHUAN TANG (13.2%). The prevalence of herb-drug interactions related to Angelicae Sinensis Radix, Angelicae Dahuricae Radix was 4.59%. The most common traditional Chinese compound formula were TSANG EEL SAAN (32%), followed by HUOH SHIANG JENQ CHIH SAAN (31.4%) and SHY WUH TANG (10.7%). Once the multi-herb drug interaction database was deployed in a hospital system, there were 480 prescriptions that indicated a TCM-western drug interaction. Physicians were alerted 24 times during two months. These alerts resulted in a prescription change four times (16.7%).

CONCLUSION

Due to the unique cultural factors that have resulted in widespread acceptance of both western and traditional Chinese medicine, Taiwan stands well positioned to report on the prevalence of interactions between western drugs and traditional Chinese medicine and devise ways to reduce their incidence. This study built a multi-herb/western drug interactions database, embedded inside a hospital clinical information system, and then examined the effects that drug interaction alerts had on clinician prescribing behaviour. The results demonstrated that western drug/traditional Chinese medicine interactions are prevalent and that western-trained physicians tend to change their prescribing behaviour more than traditional Chinese medicine physicians in their response to medication interaction alerts.

Authors+Show Affiliations

School of Health Care Administration, Taipei Medical University, Taipei City 110, Taiwan. Electronic address: kcc@tmu.edu.tw.Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taiwan. Electronic address: richardlu@tmu.edu.tw.Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taiwan. Electronic address: usman.iqbal85@gmail.com.Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taiwan; Department of Pharmacy, Taipei Medical University Hospital, Taiwan. Electronic address: jch3002@hotmail.com.Department of Pharmacy, Taipei Medical University Hospital, Taiwan. Electronic address: billy888@ms13.hinet.net.Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taiwan. Electronic address: alexnthhp@gmail.com.Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taiwan; National Yang-Ming University, Taiwan. Electronic address: itpharmacist@gmail.com.Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taiwan. Electronic address: weigo7729@gmail.com.Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taiwan; Dermatology Department, Wan-Fang Hospital, Taiwan. Electronic address: jack@tmu.edu.tw.School of Health Care Administration, Taipei Medical University, Taipei City 110, Taiwan; Faculty of Health Sciences, Macau University of Science and Technology, Macau. Electronic address: jj@tmu.edu.tw.Graduate Institute of Injury Prevention and Control, College of Public Health and Nutrition, Taipei Medical University, Taipei, Taiwan; Department of Emergency, College of Medicine, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan. Electronic address: shtsai@tmu.edu.tw.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

26470816

Citation

Chen, Kuan Chen, et al. "Interactions Between Traditional Chinese Medicine and Western Drugs in Taiwan: a Population-based Study." Computer Methods and Programs in Biomedicine, vol. 122, no. 3, 2015, pp. 462-70.
Chen KC, Lu R, Iqbal U, et al. Interactions between traditional Chinese medicine and western drugs in Taiwan: A population-based study. Comput Methods Programs Biomed. 2015;122(3):462-70.
Chen, K. C., Lu, R., Iqbal, U., Hsu, K. C., Chen, B. L., Nguyen, P. A., Yang, H. C., Huang, C. W., Li, Y. C., Jian, W. S., & Tsai, S. H. (2015). Interactions between traditional Chinese medicine and western drugs in Taiwan: A population-based study. Computer Methods and Programs in Biomedicine, 122(3), 462-70. https://doi.org/10.1016/j.cmpb.2015.09.006
Chen KC, et al. Interactions Between Traditional Chinese Medicine and Western Drugs in Taiwan: a Population-based Study. Comput Methods Programs Biomed. 2015;122(3):462-70. PubMed PMID: 26470816.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Interactions between traditional Chinese medicine and western drugs in Taiwan: A population-based study. AU - Chen,Kuan Chen, AU - Lu,Richard, AU - Iqbal,Usman, AU - Hsu,Ko-Ching, AU - Chen,Bi-Li, AU - Nguyen,Phung-Anh, AU - Yang,Hsuan-Chia, AU - Huang,Chih-Wei, AU - Li,Yu-Chuan Jack, AU - Jian,Wen-Shan, AU - Tsai,Shin-Han, Y1 - 2015/09/10/ PY - 2015/05/25/received PY - 2015/09/01/revised PY - 2015/09/03/accepted PY - 2015/10/17/entrez PY - 2015/10/17/pubmed PY - 2016/9/17/medline KW - Alert system KW - Drug–drug interactions KW - Herb–drug interactions KW - National Health Insurance Research Database KW - Traditional Chinese medicine SP - 462 EP - 70 JF - Computer methods and programs in biomedicine JO - Comput Methods Programs Biomed VL - 122 IS - 3 N2 - BACKGROUND: Drug-drug interactions have long been an active research area in clinical medicine. In Taiwan, however, the widespread use of traditional Chinese medicines (TCM) presents additional complexity to the topic. Therefore, it is important to see the interaction between traditional Chinese and western medicine. OBJECTIVE: (1) To create a comprehensive database of multi-herb/western drug interactions indexed according to the ways in which physicians actually practice and (2) to measure this database's impact on the detection of adverse effects between traditional Chinese medicine compounds and western medicines. METHODS: First, a multi-herb/western medicine drug interactions database was created by separating each TCM compound into its constituent herbs. Each individual herb was then checked against an existing single-herb/western drug interactions database. The data source comes from the National Health Insurance research database, which spans the years 1998-2011. This study estimated the interaction prevalence rate and further separated the rates according to patient characteristics, distribution by county, and hospital accreditation levels. Finally, this new database was integrated into a computer order entry module of the electronic medical records system of a regional teaching hospital. The effects it had were measured for two months. RESULTS: The most commonly interacting Chinese herbs were Ephedrae Herba and Angelicae Sinensis Radix/Angelicae Dahuricae Radix. Ephedrae Herba contains active ingredients similar to in ephedrine. 15 kinds of traditional Chinese medicine compounds contain Ephedrae Herba. Angelicae Sinensis Radix and Angelicae Dahuricae Radix contain ingredients similar to coumarin, a blood thinner. 9 kinds of traditional Chinese medicine compounds contained Angelicae Sinensis Radix/Angelicae Dahuricae Radix. In the period from 1998 to 2011, the prevalence of herb-drug interactions related to Ephedrae Herba was 0.18%. The most commonly prescribed traditional Chinese compounds were MA SHING GAN SHYR TANG (23.1%), followed by SHEAU CHING LONG TANG (15.5%) and DINQ CHUAN TANG (13.2%). The prevalence of herb-drug interactions related to Angelicae Sinensis Radix, Angelicae Dahuricae Radix was 4.59%. The most common traditional Chinese compound formula were TSANG EEL SAAN (32%), followed by HUOH SHIANG JENQ CHIH SAAN (31.4%) and SHY WUH TANG (10.7%). Once the multi-herb drug interaction database was deployed in a hospital system, there were 480 prescriptions that indicated a TCM-western drug interaction. Physicians were alerted 24 times during two months. These alerts resulted in a prescription change four times (16.7%). CONCLUSION: Due to the unique cultural factors that have resulted in widespread acceptance of both western and traditional Chinese medicine, Taiwan stands well positioned to report on the prevalence of interactions between western drugs and traditional Chinese medicine and devise ways to reduce their incidence. This study built a multi-herb/western drug interactions database, embedded inside a hospital clinical information system, and then examined the effects that drug interaction alerts had on clinician prescribing behaviour. The results demonstrated that western drug/traditional Chinese medicine interactions are prevalent and that western-trained physicians tend to change their prescribing behaviour more than traditional Chinese medicine physicians in their response to medication interaction alerts. SN - 1872-7565 UR - https://www.unboundmedicine.com/medline/citation/26470816/Interactions_between_traditional_Chinese_medicine_and_western_drugs_in_Taiwan:_A_population_based_study_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0169-2607(15)00233-3 DB - PRIME DP - Unbound Medicine ER -