Desmopressin (DDAVP) can be used to prevent or stop bleeding. However, large inter-individual variability is observed in DDAVP response and determinants are largely unknown. In this systematic review and meta-analysis we aim to identify the response to DDAVP, and the factors that determine DDAVP response in patients. We included studies with patients with any bleeding disorder receiving DDAVP. First and second screening round and risk of bias assessment were performed by independent …