RecruitingBehavioural interventionResistance Exercise Combined With Protein Supplementation in People With Pancreatic Cancer: The RE-BUILD TrialThe purpose of this research is to determine whether a virtually supervised resistance exercise (RE) intervention combined with protein supplementation (PS) is feasible in pancreatic cancer patients initiating chemotherapy and if it will improve skeletal muscle mass. The names of the study interventions involved in this study are: * Resistance training and protein supplement intake (RE + PS) * Resistance training (RE) * Attention control (AC), home-based stretching