Which innovative product design feature has shown the greatest impact on improving medication adherence for chronic disease patients in the last 3 years?

Patient medication adherence is a critical challenge in healthcare, with non-adherence leading to approximately 125,000 deaths annually in the US alone. The pharmaceutical and medical device industries have invested heavily in innovative product designs to address this issue. This poll tests your knowledge about a recent breakthrough technology that has significantly improved medication adherence rates in clinical trials.

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Smart pill bottles with biometric authentication and automated dose tracking
Ingestible sensors that pair with wearable patches to confirm medication consumption
Subscription-based medication delivery services with personalized packaging
Smartphone apps with gamification elements and financial incentives