Table 1.

The search strategy and criteria employed when searching the Medline database and web pages of several cancer associations. (ASCO = American Society of Clinical Oncology, ESMO = European Society for Medical Oncology, ISPOR = International Society for Pharmacoeconomics and Outcome Research)

Source	Search criteria	Hits	Selected
Medline (PubMed)	Prostate cancer, Xofigo®, radium-223 and alpharadin	181	14
ASCO	Radium-223 with prostate	94	2
ESMO	Radium-223 with prostate	134	0
ISPOR	Radium-223	7	6