What types of containers are classified as semipermeable containers, and can the Agency clarify the stability expectations for the drug products in semipermeable containers?

Examples of semi permeable containers are provided in the ICH Q1A(R2)
glossary. The recommendations for stability expectations for semipermeable
containers are detailed in ICH Q1A(R2) section II, B, 7, c. Drug products
packaged in semi permeable containers (2.2.7.3).