Efficacy and tolerability of tadalafil for treatment of erectile dysfunction in men taking serotonin reuptake inhibitors
Abstract
OBJECTIVES: To evaluate the efficacy and safety of tadalafil in men with treatment-emergent sexual dysfunction due to serotonin reuptake inhibitors.
METHODS: The present prospective, double-blind, 12-week study, randomized in a 1:1 ratio to tadalafil 20 mg or placebo taken on demand, included 50 men. The efficacy measures were the changes in total and domain scores of the International Index of Erectile Function questionnaire, Sexual Encounter Profile diary questions 2-6, and the Global Assessment questions (GAQs) 1 and 2. The safety analyses included the evaluation of adverse events, vital signs, serum chemistry results, and electrocardiography findings.
RESULTS: For the patients who took tadalafil 20 mg, the net median score change from baseline to the endpoint compared with placebo was 26 for the 15-item International Index of Erectile Function; 10, 4, 4, 3, and 3 for the erectile function, intercourse satisfaction, overall satisfaction, orgasmic function, and sexual desire domains; and 3 and 5 points for "yes" responses to the Sexual Encounter Profile 2 and Sexual Encounter Profile 3 questions, respectively. All comparisons between tadalafil and placebo were significant (P < .001). At the endpoint, 92% of the tadalafil group responded affirmatively to both GAQs 1 and 2 compared with 8% of the placebo group (P < .001, for each). In the safety measures, no clinically significant changes attributable to tadalafil use were found.
CONCLUSIONS: Tadalafil 20-mg treatment…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 50 participants or records.
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