Impact of introduction of sildenafil on other treatment modalities for erectile dysfunction: a study of nationwide and local hospital sales

International Journal of Impotence Research
B-P JiannC-C Su

Abstract

We assess the impact of introduction of sildenafil on alprostadil injection and penile implant surgery for the treatment of erectile dysfunction (ED) at our institution and in Taiwan. The data of national sales of sildenafil, alprostadil injection and penile implant were provided by industry companies. In the meanwhile, we analyzed the users of the above-mentioned three treatments at our institution. The national sales of sildenafil grew 136% from 0.8 million tablets in 1999 to 1.6 million tablets in 2002, while those of alprostadil injection dropped 33% after the marketing of sildenafil and of penile implant dropped 40% after the marketing of alprostadil injection and sildenafil. The market share of drugstores for sildenafil rose from 41% in 1999 to 72% in 2002. The trend of sales of sildenafil at our institution was similar to that of national sales from hospitals. Mean age of the sildenafil new users was becoming younger in the past 4 y (P<0.001). Of the new users of alprostadil injection and the recipients of penile implant, the commonest age group shifted from the range of 60-69 y before the launch of sildenafil to that of over 70 y after (P<0.05). In conclusion, the introduction of sildenafil has prompted more men as well...Continue Reading

References

Apr 6, 2001·World Journal of Urology·R J Krane
Nov 5, 2002·Urology·Harin Padma-nathanFrancesco Montorsi
Feb 11, 2003·The Journal of Urology·Diane K Wysowski, Joslyn Swann
Dec 13, 2003·International Journal of Impotence Research·B-P JiannJ-K Huang

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Citations

Aug 12, 2005·International Journal of Impotence Research·B-P JiannJ-Y Tsai
Mar 22, 2006·Evidence-based Complementary and Alternative Medicine : ECAM·Krishna KaphleJen-Hsou Lin
Jun 22, 2013·Journal of the Chinese Medical Association : JCMA·Wei-Ming ChengTzeng-Ji Chen
Aug 27, 2015·The Journal of Sexual Medicine·Bang-Ping Jiann
Jan 3, 2014·The Journal of Sexual Medicine·Amar MoheeIan Eardley
Feb 18, 2009·BJU International·Jeff R Cortés-González, Sidney Glina
Jan 24, 2014·International Journal of Impotence Research·W-K Tsai, B-P Jiann
May 12, 2010·Strahlentherapie und Onkologie : Organ der Deutschen Röntgengesellschaft ... [et al]·Witold SkrzyńskiWojciech Bulski

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