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Comparative Effects of Tadalafil Cream Versus Oral Tadalafil on Males with Erectile Disfunction Regarding Relationship Dynamics: A Secondary Analysis of Dyadic Adjustment Outcomes in a Randomized Crossover Trial

Dragoș Trifu, D. Leucuța, Martina-Luciana Pintea-Trifu, F. Elec, N. Crisan, D. Eniu, Ioan Coman

Life, 2025

35 participants · 1 citation

Abstract

Background/Objectives: Relationship quality is closely tied to sexual health. This study compared the effects of tadalafil cream and oral tadalafil on Dyadic Adjustment Scale (DAS) subscales and assessed the influence of age on treatment outcomes. Methods: This study includes a secondary analysis of data collected during a previously published randomized controlled crossover trial, but they were not published at that time. The participants (n = 35) completed both tadalafil cream and oral tadalafil interventions in a crossover design. Dyadic Adjustment, including DAS subscales, was assessed at baseline and after each intervention. Improvements across all DAS subscales were greater in the tadalafil cream group compared to the oral tadalafil group. Statistically significant differences were observed for Affective Expression (5.45, 95% CI: 0.22–10.67, p = 0.041) in the multivariate model. Notable gains were observed in Affective Expression and Dyadic Cohesion for the cream route. Within-group analysis showed statistically significant improvements in Affective Expression for both treatments and in Dyadic Cohesion for the cream route. The results show that younger participants benefited more from treatment, particularly in Affective Expression, Consensus subscales, and overall for Dyadic Adjustment. Conclusion: This study provides evidence that tadalafil intervention had a favorable impact on relationship dynamics, particularly in Affective Expression and Dyadic Cohesion.

How strong is the evidence?

Evidence Hub reads this as a secondary / pooled analysis, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 35 participants or records.

How the five levels of evidence work. The level is assigned automatically from the abstract and can be wrong, so check the paper.

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