Which innovative pharmaceutical packaging design feature was specifically developed to address medication adherence in elderly patients with cognitive impairments?

In the medical industry, pharmaceutical packaging serves multiple crucial purposes beyond simply containing the product. It must ensure medication safety, provide essential information, maintain product integrity, and increasingly, enhance patient experience and adherence. Modern pharmaceutical packaging incorporates various innovative technologies and design elements to address these needs while meeting regulatory requirements. How well do you know the latest advancements in medical product design as it relates to pharmaceutical packaging?

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Time-indicating smart caps that show when the medication was last taken
Eco-friendly biodegradable blister packs made from plant-based materials
QR codes linking to animated video instructions
Child-resistant closures with biometric fingerprint authentication