Germany: Hessian Commissioner for Data Protection and Freedom of Information adopted guideline on data protection in medical research

On 5 December 2025, the Hessian Commissioner for Data Protection and Freedom of Information (HBDI) adopted the guideline on data protection in medical research. The guideline sets out the legal bases for processing health data in a medical research context and discusses a number of specific case studies. The HBDI drew the guideline up together with the German Society of Internal Medicine (DGIM).