The research activity of Fontilles is developed in four lines of work, focused on the field of Molecular Biology through the detection and analysis of DNA M. leprae.
Since 1922, Fontilles has a laboratory where, in addition to serving resident and ambulatory patients, Fontilles had developed its research. The laboratory has been equipped with the latest technologies of every moment, and it covers the areas of hematology, biochemistry, immunology and microbiology.