Janneke Langendonk

Dr. Janneke Langendonk is a Researcher in the Department of Internal Medicine at Erasmus University Medical Center in Rotterdam, Netherlands. Her work focuses on rare metabolic disorders and their clinical management, with particular expertise in photosensitivity conditions and inborn errors of metabolism.

Her primary research interests include:

• Erythropoietic Protoporphyria and related photosensitivity disorders
• Inborn Errors of Metabolism
• Bone health in patients with limited sunlight exposure
• Hepatic encephalopathy treatments
• Endocrine disorders including pancreatic neuroendocrine tumors

Dr. Langendonk's recent research has examined the impact of minimal sunlight exposure on bone health in erythropoietic protoporphyria patients, investigated treatments for hepatic encephalopathy, and documented the frequencies of various inborn errors of metabolism in adult metabolic centers. Her work often involves cohort studies and systematic reviews to advance understanding of rare conditions that affect small patient populations.

She has presented her research on erythropoietic protoporphyria treatment at academic conferences, with her work gaining attention from multiple news outlets and social media platforms including X (formerly Twitter) and Bluesky. Her invited talk in August 2022 on this topic was covered by 4 news outlets and shared by 16 X users.

Dr. Langendonk has supervised at least two students or junior researchers and maintains an active research profile with 112 research outputs including articles, book chapters, and review articles. Her collaborative approach is evident in her international co-authorships across multiple publications.