Preservative Efficacy Testing (PET/AET): A Quality Assurance Guide for Canadian Drug & Natural Health Product Importers

Date: Thursday, November 26, 2026
Time: 1:00 pm – 2:30 pm EST
Fee: $295 Members / $395 Non Members

Presented by Eurofins BioPharma Product Testing

Preservative Efficacy Testing (PET), also known as Antimicrobial Effectiveness Testing (AET), is a critical component of ensuring the microbiological quality and stability of many drug and natural health product formulations. For Canadian importers, understanding PET reports is essential for making informed, compliant product release decisions.

In this session you will learn:

  • What Preservative Efficacy Testing (PET/AET) is and how it is performed.
  • How to interpret PET reports for Canadian natural health products (NHPs) and drugs (DINs), including key results and acceptance criteria.
  • What quality and regulatory considerations importers should assess before releasing products to the Canadian market.
  • The regulatory expectations surrounding PET, with a primary focus on the USP method and discussion of British Pharmacopoeia (BP) and European Pharmacopoeia (Ph. Eur.) considerations.

A short quiz will be administered at the end of the session. Participation in the quiz—and eligibility to receive a training certificate upon successful completion—is limited to individuals who have registered electronically through the LogMeIn© GoTo Training program.

Presenters

Alan Redly
Department Head – Microbiology
Eurofins BioPharma Product Testing

Alan Redly is a microbiology and pharmaceutical testing leader with over 20 years of experience spanning GMP microbiology, quality control testing, method development, scientific operations, and business leadership. As Head of Department, Microbiology at Eurofins BioPharma Product Testing Toronto, he leads GMP-compliant microbiological testing programs that support pharmaceutical and biopharmaceutical manufacturers in meeting regulatory and quality requirements. With a strong foundation in molecular microbiology, extensive experience in laboratory management, and a proven track record in client-focused scientific services, Alan combines technical expertise with strategic leadership to drive operational excellence, regulatory compliance, and high-quality laboratory outcomes. His career progression across research, pharmaceutical sales, business development, product management, and contract testing has provided a unique perspective on delivering scientific solutions that meet both technical and business objectives.

Harpreet Sareen
Manager, Regulatory & QA Consulting
Eurofins BioPharma Product Testing

Harpreet Sareen, MSc, RAQC, ASQ CQA, is the Manager, Regulatory & Quality Compliance Consulting at Eurofins BioPharma Product Testing Toronto. With more than 25 years of pharmaceutical industry experience, she advises domestic and international companies on successfully bringing drugs and natural health products to the Canadian market, from regulatory strategy, Health Canada product registrations and establishment licencing, through commercial product release and ongoing GMP compliance. Harpreet specializes in Canadian GMP compliance, importer quality systems, and Health Canada inspection readiness, and has supported more than 50 Health Canada inspections. She conducts GMP audits and has delivered regulatory training on Canadian Drug GMP, Natural Health Product GMP, and pharmacovigilance. She holds a Master of Science in Chemistry, a Graduate Certificate in Regulatory Affairs and Quality Operations, and is an ASQ Certified Quality Auditor.

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