Study	Treatment	NYHA class*	Outcome
MDC	Metoprolol	II, III	Improved clinical state without effect on survival. Reduction in need for transplantation in patients with dilated cardiomyopathy
CIBIS I	Bisoprolol	II, III	Trend (non-significant) towards improved survival
ANZ trial	Carvedilol	I, II	Carvedilol superior to placebo for morbidity and mortality
Carvedilol (US)	Carvedilol	II, III	Carvedilol superior to placebo for morbidity and mortality
CIBIS II	Bisoprolol	III, IV	Bisoprolol superior to placebo for morbidity and mortality
MERIT-HF	Metoprolol	II, III	Metoprolol superior to placebo for morbidity and mortality