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Felix Wittström

MD

Felix Wittström is a medical doctor and researcher, with a focus on pharmacoepidemiology and real-world treatment outcomes. He works at Yazen Health, where he contributes to clinical care and the generation of real-world evidence on pharmacotherapy in obesity for a digital care setting.

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Felix Wittström is a medical doctor and researcher with expertise in epidemiology, pharmacoepidemiology, and digital healthcare. He currently works at Yazen Health, where he treats patients with obesity through a digital care platform, integrating continuous clinical support and multidisciplinary care.

His academic work includes publications in clinical epidemiology and population-based research. Driven by a passion for improving obesity care through data-driven solutions, Felix contributes to advancing real-world evidence on pharmacotherapy in obesity for a digital care setting.

Articles by

Felix Wittström

Infographic showing 50,414 patients in treatment at Yazen, with 2.3 million weights logged (mean 1 weight log per week per patient) and 7.7 million messages exchanged (mean 4.6 messages per week per patient).
Science and publications

High-Volume Patient–Caregiver Interactions in a Fully Digital Obesity Care Model

Digital obesity care enables high levels of patient–caregiver interaction and sustained engagement in treatment, with higher retention than in other settings, potentially supporting longterm outcomes.

Across three years, messages exchanged, weight entries logged and retention in treatment was quantified for more than 50,000 patients.