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Re: RRdog post# 92211

Thursday, 09/13/2012 8:44:40 PM

Thursday, September 13, 2012 8:44:40 PM

Post# of 346182

At the current P value the odds of this Phase II study being duplicated favorably in a larger Phase III study of similar design are 98%.

I don't think that's true. The probability of 98% is based on duplicating the same trial and having it reach the same HR of 0.524. Since their new phase 3 trial will be designed to return statistically significant results at a much higher HR, it makes the probability of success much greater than 98%. Remember, Joe Shan said this:

We've stated before that we'd like to keep the Phase III study in the 300 to 500 patient range, and, working backwards, you can imagine it's going to be a Hazard Ratio of less than 0.8, but not as low as 0.5, so somewhere in between there.


All IMO,

mojo
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