Great discussion [Design Issues]
Dear ElMaestro,
Needle prick marks in the forearm veins, if the subject is so greedy (or hungry
) that he does not even wait for them to heal ? Well, actually it would be relevant, if I am to believe Zeba Ziddiqui's paper which you mentioned earlier (with subjects participating in 3 or 4 trials in the same month). I never saw a protocol with a non-inclusion criterion "Subject with needle marks in the forearm". So I never saw a tick box anywhere in the screening documentation with this criterion.
I'm not aware of any other indicator, unfortunately.
By the way, I really don't see how a subject could participate in 3 or 4 trials in the same month without the CRO(s) being aware of it. I'm really not sure whether some of the CROs are really willing to know whether the subjects cross-participate.
© Roberto Mangosi
❝ Can you guys think of any other biomarker/indicator unrelated to blood loss or the regenerative process?
Needle prick marks in the forearm veins, if the subject is so greedy (or hungry

I'm not aware of any other indicator, unfortunately.
By the way, I really don't see how a subject could participate in 3 or 4 trials in the same month without the CRO(s) being aware of it. I'm really not sure whether some of the CROs are really willing to know whether the subjects cross-participate.
![[image]](img/uploaded/image650.png)
—
Regards
Ohlbe
Regards
Ohlbe
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