Survey to Identify Substandard and Falsified Tablets in Several Asian Countries with Pharmacopeial Quality Control Tests and Principal Component Analysis of Handheld Raman Spectroscopy.

Survey to Identify Substandard and Falsified Tablets in Several Asian Countries with Pharmacopeial Quality Control Tests and Principal Component Analysis of Handheld Raman Spectroscopy.

フォーマット:

論文

責任表示:

Kakio, Tomoko ; Nagase, Hitomi ; Takaoka, Takashi ; Yoshida, Naoko ; Hirakawa, Junichi ; Macha, Susan ; Hiroshima, Takashi ; Ikeda, Yukihiro ; Tsuboi, Hirohito ; Kimura, Kazuko ; 長瀬, 瞳 ; 吉田, 直子 ; 坪井, 宏仁 ; 木村, 和子

言語:

英語

出版情報:

American Society of Tropical Medicine and Hygiene, 2018

著者名:

掲載情報:

The American journal of tropical medicine and hygiene

ISSN:

0002-9637

巻:

98

通号:

6

開始ページ:

1643

終了ページ:

1652

バージョン:

publisher

概要:

医薬保健研究域薬学系<br />The World Health Organization has warned that substandard and falsified medical products (SFs) can harm patients and fail to treat the diseases for which they were intended, and they affect every region of the world, l … eading to loss of confidence in medicines, health-care providers, and health systems. Therefore, development of analytical procedures to detect SFs is extremely important. In this study, we investigated the quality of pharmaceutical tablets containing the antihypertensive candesartan cilexetil, collected in China, Indonesia, Japan, and Myanmar, using the Japanese pharmacopeial analytical procedures for quality control, together with principal component analysis (PCA) of Raman spectrum obtained with handheld Raman spectrometer. Some samples showed delayed dissolution and failed to meet the pharmacopeial specification, whereas others failed the assay test. These products appeared to be substandard. Principal component analysis showed that all Raman spectra could be explained in terms of two components: the amount of the active pharmaceutical ingredient and the kinds of excipients. Principal component analysis score plot indicated one substandard, and the falsified tablets have similar principal components in Raman spectra, in contrast to authentic products. The locations of samples within the PCA score plot varied according to the source country, suggesting that manufacturers in different countries use different excipients. Our results indicate that the handheld Raman device will be useful for detection of SFs in the field. Principal component analysis of that Raman data clarify the difference in chemical properties between good quality products and SFs that circulate in the Asian market. Copyright © 2018 by The American Society of Tropical Medicine and Hygiene. 続きを見る

URL:

http://hdl.handle.net/2297/00053636

タイトル・著者・出版者が同じ資料

詳細

受理日:

2018

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