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CLINICAL TRIAL
COMPARATIVE STUDY
JOURNAL ARTICLE
MULTICENTER STUDY
RANDOMIZED CONTROLLED TRIAL
RESEARCH SUPPORT, NON-U.S. GOV'T
Intracavernous alprostadil alfadex is more efficacious, better tolerated, and preferred over intraurethral alprostadil plus optional actis: a comparative, randomized, crossover, multicenter study.
Urology 2000 January
OBJECTIVES: To compare the efficacy, safety, and patient preference of intracavernously administered alprostadil alfadex and intraurethrally administered alprostadil.
METHODS: A crossover, randomized, open-label multicenter study of 111 patients with erectile dysfunction of at least 6 months' duration compared the efficacy, safety, and patient preference of intracavernosal alprostadil (EDEX/Viridal) with MUSE plus optional ACTIS. All patients underwent an in-office dose titration with either drug before undertaking an at-home treatment phase. The most frequently used doses during the at-home phase were 40 microg (44.1% of men) and 1000 microg (86.8% of men) for EDEX and MUSE, respectively; the mean doses were 26.1 microg and 922.5 microg for EDEX and MUSE, respectively.
RESULTS: More EDEX than MUSE administrations resulted in an erection sufficient for sexual intercourse (82.5% versus 53.0%); significantly more patients using EDEX achieved at least one erection sufficient for sexual intercourse (92.6% versus 61.8%; P <0.0001); and EDEX use resulted in a significantly greater percentage of patients attaining at least 75% of erections sufficient for sexual intercourse (75% versus 36.8%; P <0.0001). Penile pain was the most common side effect for both medications: 20.0% versus 30.5% (in-office) and 33.8% versus 25.0% (at-home) for EDEX and MUSE, respectively. Similar numbers of adverse events were reported with either treatment during the at-home phase. Patient and partner satisfaction was greater with EDEX, and more patients preferred this therapy, choosing to continue it during a patient preference period at the end of the study.
CONCLUSIONS: Since intracavernous injection therapy was more efficacious, better tolerated, and preferred by the patients and their partners, it should be offered as the first-choice treatment if oral therapy fails or is contraindicated.
METHODS: A crossover, randomized, open-label multicenter study of 111 patients with erectile dysfunction of at least 6 months' duration compared the efficacy, safety, and patient preference of intracavernosal alprostadil (EDEX/Viridal) with MUSE plus optional ACTIS. All patients underwent an in-office dose titration with either drug before undertaking an at-home treatment phase. The most frequently used doses during the at-home phase were 40 microg (44.1% of men) and 1000 microg (86.8% of men) for EDEX and MUSE, respectively; the mean doses were 26.1 microg and 922.5 microg for EDEX and MUSE, respectively.
RESULTS: More EDEX than MUSE administrations resulted in an erection sufficient for sexual intercourse (82.5% versus 53.0%); significantly more patients using EDEX achieved at least one erection sufficient for sexual intercourse (92.6% versus 61.8%; P <0.0001); and EDEX use resulted in a significantly greater percentage of patients attaining at least 75% of erections sufficient for sexual intercourse (75% versus 36.8%; P <0.0001). Penile pain was the most common side effect for both medications: 20.0% versus 30.5% (in-office) and 33.8% versus 25.0% (at-home) for EDEX and MUSE, respectively. Similar numbers of adverse events were reported with either treatment during the at-home phase. Patient and partner satisfaction was greater with EDEX, and more patients preferred this therapy, choosing to continue it during a patient preference period at the end of the study.
CONCLUSIONS: Since intracavernous injection therapy was more efficacious, better tolerated, and preferred by the patients and their partners, it should be offered as the first-choice treatment if oral therapy fails or is contraindicated.
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