DBrain is a collaborative project involving multi-discipline fields aimed primarily to provide information and assistance to patient-physician interaction on Dementia disease. This paper explores the possibility and feasibility of the Grid implementation over the Cloud infrastructure to extend and enhance the current resources capacity for catering future expansion. The paper presented a study on the Cloud's elasticity to achieve effective operational cost within the context of DBrain project. Finer details of the current metric is explored and extended for the elasticity indicator. © 2011 Springer-Verlag.