Lai Wah Chan

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National University of Singapore
Associate Professor
Chan Lai Wah has a bachelor’s degree in pharmacy and a doctoral degree in pharmaceutics from the National University of Singapore. She is an Associate Professor with the Department of Pharmacy at the National University of Singapore, where she lectures and carries out research in pharmaceutical science, technology, and microbiology. She has published more than 160 research papers, conference papers, and book chapters and serves as an editorial board member and reviewer for scientific journals. She is also a registered pharmacist in Singapore. She is particularly concerned about the quality, safety, and efficacy of pharmaceutical products and takes a keen interest in their formulation, manufacture, and regulatory control. In addition to her academic activities, she provides consultancy in pharmaceutical formulation and has served as an external specialist to the Health Sciences Authority of Singapore.

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Figure 1: Frequency of mention of specific contaminants/impurities in case studies reported in the past 15 years (2007–2021).
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Contamination Trends & Proposed Solutions

Contamination is one of the top reasons for medicinal product1

  • 1UK Medicines and Healthcare Products Regulatory Agency. “A Guide to What Is a Medicinal Product.” March 2020.
Accreditation organizations’ systems to show online pharmacy legitimacy
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Regulating Online Pharmacies & Medicinal Product E-Commerce

The internet has led to an increase in e-commerce of prescription and over-the-counter (OTC) medicinal products; one in four adults has purchased medicines online.1

  • 1Orizio, G., A. Merla, P. J. Schulz, and U. Gelatti. “Quality of Online Pharmacies and Websites Selling Prescription Drugs: A Systematic Review.” Journal of Medical Internet Research 13, no. 3 (September 2011): e74....