The present disclosure provides a means of stabilising an antibody, in particular in protease-rich environments such as the stomach and intestine. A composition, in particular a pharmaceutical composition, comprising an antibody and camostat mesylate is provided, together with uses of said composition as a medicament and in methods of treatment. Compositions of the disclosure are particularly useful in the topical treatment of gastrointestinal conditions, such as Crohn's Disease or ulcerative colitis, or for direct activity in the gut mucosal immune system.
