Flosequinan in heart failure: acute haemodynamic and longer term symptomatic effects

Cowley, A.J.; Wynne, R.D.; Stainer, K.; Fullwood, L.; Rowley, J.M.; Hampton, J.R.

Bmj 297(6642): 169-173

1988


ISSN/ISBN: 0959-8138
PMID: 3044507
Document Number: 324542
There is no single, simple test with which to evaluate new treatments for heart failure. Various methods need to be used, and a study of both the acute haemodynamic and longer term symptomatic effects of flosequinan, a new direct acting arteriolar and venous vasodilator, was therefore carried out in patients with heart failure. In one group of patients flosequinan increased cardiac output and caused a fall in pulmonary capillary wedge pressure, both effects lasting for 24 hours. In a double blind, placebo controlled study in another group flosequinan improved mean exercise tolerance from 9.9 to 12.7 minutes after four weeks of treatment. The drug also reduced perceived exertion during submaximal exercise and increased calf and therefore skeletal muscle blood flow. It reduced plasma renin activity and noradrenaline concentrations. Flosequinan possesses all the important properties of a drug likely to be of value in the treatment of heart failure.

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