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Referring to the article "New Study Shows Men Taking Cialis® (tadalafil) Tablets Once Daily Returned to Normal Erectile Function after Incomplete Response to As-Needed PDE5 Inhibitor Therapy"

Eli Lilly and Company (NYSE: LLY) announced today that study results published in the Journal of Sexual Medicine showed a greater percentage of men who had an incomplete response to as-needed PDE5 inhibitor treatment returned to normal erectile function when given Cialis once daily, compared to placebo, as measured by the erectile function domain of the International Index of Erectile Function (IIEF-EF). In a pre-specified secondary measure, Cialis significantly improved erectile function scores versus placebo in those men who had an incomplete response to as-needed PDE5 treatment.

  1. From my understanding, it seems to claim that Cialis has a better chance of curing Erectile Dysfunction permanently, compared with other treatment, am I right?
  2. Is this study legit? I am aware that it is published on the Eli Lilly ( the maker of Cialis)'s website, which naturally casts doubts on the objectivity of the study. Is there any other study that backs this sensational findings up?
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The study is here:

J Sex Med. 2013 Mar;10(3):844-56. doi: 10.1111/j.1743-6109.2012.02898.x. Epub 2012 Oct 4.
Efficacy and safety of once-daily tadalafil in men with erectile dysfunction who reported no successful intercourse attempts at baseline.
Shabsigh R1, Seftel AD, Kim ED, Ni X, Burns PR.

Potential for long lasting cure

The study shows that in a significant fraction of the cases, Tadalafil was effective post treatment:

The posttreatment intercourse success rate was 32% and 46% for tadalafil 2.5 mg and 5 mg, respectively, in men with no successful intercourse attempts at baseline.

Legitimacy

  • The study is funded by the maker of Cialis. This is disclosed.
  • The study is published in reputable peer-reviewed journals.
  • The study is on ~500 patients. This is not a large scale study, nor it is a review of many studies.
  • The study has no citations.

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