Doing palliative care research on hematologic cancer patients: A realist synthesis of literature and experts' opinion on what works, for whom and in what circumstances.

Before conducting research in PC on patients with hematologic malignancies, it's probably advisable to assess: - The perception of the different actors (physicians, nurses, other professionals involved), in particular the hematologists, in terms of pros and cons of referral to PC and enrollment in PC trials - The existing relationship between PC and the Hematology departmentAccordingly, it's possible to tailor different interventions on the various actors and choose a model of trial to increase the perception of benefits from PC and, consequently, enrollment.