ArticleAndrology2025
Pain associated with prostaglandin E
Article in Andrology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Adipose-derived stem cell therapy restores erectile function and promotes endogenous stem cell recruitment in a rat model of cavernous nerve injury.International journal of impotence research · 2026Article
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5 authors.
Funding
Abstract
backgroundIntracavernosal injection therapy is often used as second-line therapy for erectile dysfunction associated with radical prostatectomy when therapy with phosphodiesterase-5 inhibitors has failed, but prostaglandin E1-containing vasoactive agents are associated with penile pain in some men.
objectivesTo define the incidence of pain with prostaglandin E1-containing intracavernosal injection mixtures for erectile dysfunction associated with radical prostatectomy when therapy with phosphodiesterase-5 inhibitors has failed, and whether pain was a predictor of erectile function recovery. MATERIALS AND
methodsMen who underwent radical prostatectomy and were commenced on intracavernosal injection within 12 months of radical prostatectomy were included. A pain visual analog scale (0-10) was used to assess the degree of pain. Erectile function recovery was defined as the International Index of Erectile Function domain score ≥24 using phosphodiesterase-5 inhibitors at 24 months.
resultsThe study included 566 patients, mean age was 58 ± 14 (42-74) years. Duration post-radical prostatectomy at intracavernosal injection training was 3.5 ± 3.5 m. Nerve sparing status: bilateral 76%, unilateral 13%, and non-nerve sparing 11%. Incidence of pain with intracavernosal injection per nerve sparing status: bilateral 10% of patients, unilateral 32%, non-nerve sparing 92% (p < 0.001). Median visual analog scale in those experiencing pain: bilateral 4 (interquartile range 3, 5), unilateral 5.5 (interquartile range 3, 6), non-nerve sparing 7 (interquartile range 3, 9) (p < 0.001). Phosphodiesterase-5 inhibitors success at 24 months (no pain vs. pain): bilateral 70% vs. 40% (p < 0.001), unilateral 50% vs. 28% (p < 0.001), non-nerve sparing 10% vs. 0% (p < 0.001). On multivariate analysis, predictors of failure to respond to phosphodiesterase-5 inhibitors at 24 months post-radical prostatectomy included baseline erectile function, increasing age, incomplete nerve-sparing surgery, and presence of pain. DISCUSSION: The presence of penile pain with intracavernosal injection is associated with poorer erectile function recovery post-radical prostatectomy.
conclusionsIncidence of pain is high in men with non-nerve sparing radical prostatectomy; older patient age, poorer nerve sparing, poor baseline erectile function, and the presence of penile pain with prostaglandin E1-containing intracavernosal injection medication, were predictive of poor erectile function recovery using phosphodiesterase-5 inhibitors at 24 months.
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