Study to Compare the Effects of Repeated Doses of an Investigational New Drug and a Placebo on Appetite in Advanced Cancer and Anorexia. A 6-Week, Randomized, Double-Blind, Sponsor-Open Study to Assess the Effect of Repeated Subcutaneous Administration of PF-06946860 on Appetite in Participants With Advanced Cancer and
Anorexia, Followed by an 18-Week Open-Label Treatment Period.