Biotech Values

[drbio45]

Further, some patients (I think about 20%) that were initially classified non-responders in the phase III trial, later met responders criteria at one year in the extension study.


as a general rule, I think you would agree that in an extension study everyone knows they are getting the drug so there is a placebo effect and the results are a lot better than the trial. That is why the extension study is used to get additional safety data