Table 6.

Incidence of neutropenia with different CDK4/ inhibitors [9, 19, 20]

AE	Palbociclib		Ribocliclib		Abemaciclib
	any grade	grades 3/4	any grade	grades 3/4	any grade	grades 3/4
Neutropenia	81	65	74	58	41–46	22–27
Febrile neutropenia	2	1	1	NR	<1

Values are presented as percentages. NR, not reached.