Topadur Pharma AG | 2,631 followers on LinkedIn. We want to improve the way people age | Topadur Pharma AG is a Swiss biopharmaceutical scale-up based in Schlieren, Zurich. The company was founded in 2015 by experienced scientists that combine several years of expertise in R&D Pharma. Topadur’s vision is to improve patients’ quality of life by providing highly effective and safe drugs for unmet medical conditions.