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Objective To assess the possible relationship between erectile dysfunction (ED) and lower urinary tract symptoms (LUTS) in men, and whether treatment of their ED with sildenafil influences their LUTS. Patients and methods In all, 112 men with ED attending the andrology outpatient clinic were offered oral sildenafil and reviewed 1 and 3 months after treatment. They completed the International Index of Erectile Function and the International Prostate Symptom Score (IPSS) questionnaires at baseline and each review. Scores were designated to indicate the visit number and differences between the visits calculated. Results A third of the men had an initial IPSS of > 7; there was no relationship between baseline urinary and sexual function scores. After treatment with sildenafil, the urinary scores at 3 months correlated strongly with the sexual function scores. There was a significant inverse relationship between the baseline IPSS and sexual function scores after treatment. The overall trend in the IPSS was towards improvement after treatment with sildenafil. Conclusions In men with ED there is no relationship between sexual function scores and urinary symptom scores before treating ED. Treatment with sildenafil appears to improve urinary symptom scores. A lower IPSS at baseline appears to predict a better response to ED therapy with sildenafil.

OBJECTIVE To compare the safety and efficacy of two doses of a new testosterone gel formulation (Testim™, Auxilium Pharmaceuticals, Inc., Norristown, PA, USA) to a permeation‐enhanced testosterone patch (Andropatch®, GlaxoSmithKline, UK) for treating men with confirmed low serum testosterone levels, and associated signs and symptoms of hypogonadism. PATIENTS AND METHODS In all, 208 men were randomized and treated at 29 centres in Denmark, Germany, Netherlands, Sweden and the UK. The men were treated for 90 days, and the pharmacokinetics and treatment effectiveness of Testim at two doses (50 and 100 mg/day, delivering a daily dose of 5 and 10 mg testosterone, respectively) and Andropatch (2 × 2.5 mg patches, each delivering 2.5 mg testosterone and containing 12.2 mg of testosterone) were compared. Pharmacokinetic profiles were obtained, body composition measured, and mood and sexual function data recorded. RESULTS Testim produced dose‐dependent improvements in all pharmacokinetic variables compared with Andropatch. The mean increases from baseline to 90 days in testosterone were 12.41, 6.54 and 3.82 nmol/L for Testim 100 and 50 mg/day and the Andropatch, respectively. Both doses of Testim significantly improved positive and negative mood over baseline; Andropatch did not. All three treatments increased lean body mass, and the higher dose of Testim produced a significant decrease in percentage body fat. At all sample times both doses of Testim significantly improved sexual performance, sexual motivation, sexual desire and spontaneous erections. Andropatch provided insignificant improvements from baseline at all sample times for sexual desire, an inconsistent improvement in sexual motivation, but no effect on spontaneous erections. These results are similar to those previously reported for testosterone replacement therapy in hypogonadal men, suggesting that normalization of serum testosterone restores sexual function. However, the present data suggest that higher serum testosterone levels may further improve sexual function. Gel treatment was well tolerated, while patch treatment produced higher rates of application‐site reactions and study discontinuation. CONCLUSION The favourable pharmacokinetic profile and treatment outcome, combined with the enhanced tolerability of Testim, suggest that this new gel formulation is a safe and effective treatment in men with low serum testosterone levels and associated signs and symptoms of hypogonadism.

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