Singapore: Health Sciences Authority updated guidance
Singapore: Health Sciences Authority updated guidance

in short In October 2024, the Health Sciences Authority (HSA) updated its guidance on evidence of implementation of good manufacturing practice (GMP) by manufacturers of drug substances (DS) (“guide"). This is a timely revision to the guidance, as the requirement for chemical DS manufacturers to provide evidence of GMP compliance becomes mandatory from 1 October 2024, after a one-year grace period. Effective October 1, 2024, all new or generic drug applications (NDA or GDA) and minor change applications ("IV-1") Adding a new DS manufacturer must be supported by evidence of GMP compliance by the DS manufacturer. Applications that do not meet these requirements will not be accepted. The guidance clarifies that this mandatory requirement does not apply to existing registered products unless a MIV-1 application is submitted to add or change drug substance manufacturers/sites. Only GMP certificates issued by Drug Inspection Cooperation Program agencies are accepted; HSA does not accept certificates issued by third-party certification agencies. The GMP compliance evidence…