Background. ‘Non-communicable disease’ (NCD) is defined as a disease that has a prolonged progression and results from the interaction of several factors; such as, for example smoking or a sedentary lifestyle. The main types of NCDs are cardiovascular diseases and cancer. The prevalence and mortality rates due to NCDs have been increasing over the years. Physical activity (PA) contributes towards the prevention and management of NCDs. PA confers multiple health benefits to patients suffering from NCDs, such as improving their quality of life and reducing the mortality rate. Considering that the benefits of exercising are irrefutable, Sport-Santé set itself the task to promote PA as a form of medical treatment for patients with NCDs in Luxembourg. Therefore, Sport-Santé launched a national campaign in the summer of 2018 to inform the Luxembourgish population and medical doctors about the existing health sport offers for patients suffering from NCDs and to promote an active lifestyle. The national campaign aimed at promoting PA to the Luxembourgish population by the means of TV-spots and radio adverts, as well as directly to medical doctors based in Luxembourg by providing promotional items, like the Sport-Santé Actimeter (a tool to evaluate PA levels) and promotional flyers. Purpose. This study aims at evaluating the qualitative and quantitative impact of the national Sport-Santé health campaign to promote PA as a medical treatment for patients with NCDs. In this respect, the study was split into three parts: 1) medical doctors’ study, 2) participants’ study and 3) non-governmental organisations’ (NGOs) study. Materials and Methods. 1) A total of 251 general practitioners (GPs) were phoned and ased to answer a questionnaire before and after the campaign about their professional day to day experience regarding PA promotion. 2) A total of 232 participants in health sports groups answered a questionnaire after the campaign regarding their participations in the health sports groups. The data was compared to similar ...