All Clarivate websites use cookies to improve your online experience. They were placed on your computer when you launched this website. You can change your cookie settings through your browser.
Adding I.V. sildenafil – the active ingredient in Viagra – to inhaled nitric oxide (iNO) therapy for newborns with persistent pulmonary hypertension (PPHN) failed to achieve a statistically significant reduction in treatment failure rates or time on iNO vs. iNO alone in the first part of a phase III study sponsored by Pfizer Inc.