Abstract
Fifty partial and non-responders (Clinical Global Impression-Sexual Function (CGI-SF) score>2), out of 76 men who completed a 6-week, double-blind, placebo-controlled trial of sildenafil treatment for serotonergic antidepressant–associated sexual dysfunction, were eligible for an additional 6-week trial of open-label sildenafil (50 mg adjustable to 100 mg) under the same protocol, with blind maintained to initial assignment. Participation (double-blind and open-label) required major depressive disorder in remission (MDD-R) and continuing antidepressant medication. Forty-three entered open-label study: 16/17 initially randomized to sildenafil (sildenafil/sildenafil) and 27/33 initially randomized to placebo (placebo/sildenafil). Thirty-five of 43 (81%) achieved full response (CGI-SF⩽2): placebo/sildenafil 23/27 (85%); sildenafil/sildenafil 12/16 (75%); P<0.0001 for changes and P=0.4 between groups. Secondary measures of erectile function and overall satisfaction improved in both groups (P<0.03). Hamilton Depression Rating Scale scores improved (placebo/sildenafil; P⩽0.05) or remained stable (sildenafil/sildenafil). In men with MDD-R who maintained antidepressant adherence, 81% of double-blind partial and non-responders treated with open-label sildenafil responded fully.
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Acknowledgements
This study was supported by an independent investigator-initiated grant from Pfizer Inc., New York, NY. Editorial support was provided by Deborah M Campoli-Richards.
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Previous presentations: 157th Annual Meeting of the American Psychiatric Association, New York, NY, May 1–6, 2004.
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Nurnberg, H., Fava, M., Gelenberg, A. et al. Open-label sildenafil treatment of partial and non-responders to double-blind treatment in men with antidepressant-associated sexual dysfunction. Int J Impot Res 19, 167–175 (2007). https://doi.org/10.1038/sj.ijir.3901502
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DOI: https://doi.org/10.1038/sj.ijir.3901502
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