Time Points of Blood Collections [Design Issues]

posted by Phaneendra.K – 2010-12-27 07:05 (5655 d 04:34 ago) – Posting: # 6341
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Hello everybody, let me introduce to you. I'm Phani and i am new to this forum. I hope this would fortify my knowledge.
How are the time Points of Blood collection from the subjects designed.
Why is it that the frequency of collection is not the same for all the drugs?
Generally the pattern of collection is 00:00. 00:30, 01:00, 01:30, 02:00, 03:00, 04:00, 08:00, 12:00, 24:00, 48:00, 72:00 hrs
But for Frovatriptan the points are 00:00, 00:30, 01:00, 01:50, 02:00, 02:50, 03:00, 03:50, 04:00... hrs
Is this not haphazard sampling
How is it that the time points are designed in this way

Thanks and Regards,

PK

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