Angiotensin II for the Treatment of Vasodilatory Shock.
BACKGROUND: Vasodilatory shock that does not respond to high-dose vasopressors is associated with high mortality. We investigated the effectiveness of angiotensin II for the treatment of patients with this condition.
METHODS: We randomly assigned patients with vasodilatory shock who were receiving more than 0.2 μg of norepinephrine per kilogram of body weight per minute or the equivalent dose of another vasopressor to receive infusions of either angiotensin II or placebo. The primary end point was a response with respect to mean arterial pressure at hour 3 after the start of infusion, with response defined as an increase from baseline of at least 10 mm Hg or an increase to at least 75 mm Hg, without an increase in the dose of background vasopressors.
RESULTS: A total of 344 patients were assigned to one of the two regimens; 321 received a study intervention (163 received angiotensin II, and 158 received placebo) and were included in the analysis. The primary end point was reached by more patients in the angiotensin II group (114 of 163 patients, 69.9%) than in the placebo group (37 of 158 patients, 23.4%) (odds ratio, 7.95; 95% confidence interval [CI], 4.76 to 13.3; P
CONCLUSIONS: Angiotensin II effectively increased blood pressure in patients with vasodilatory shock that did not respond to high doses of conventional vasopressors. (Funded by La Jolla Pharmaceutical Company; ATHOS-3 ClinicalTrials.gov number, NCT02338843 .).
Published In/Presented At
Khanna, A., English, S. W., Wang, X. S., Ham, K., Tumlin, J., Szerlip, H., Busse, L. W., Altaweel, L., Albertson, T. E., Mackey, C., McCurdy, M. T., Boldt, D. W., Chock, S., Young, P. J., Krell, K., Wunderink, R. G., Ostermann, M., Murugan, R., Gong, M. N., Panwar, R., … ATHOS-3 Investigators (2017). Angiotensin II for the Treatment of Vasodilatory Shock. The New England journal of medicine, 377(5), 419–430. https://doi.org/10.1056/NEJMoa1704154
Medicine and Health Sciences
Department of Medicine