"obtain balanced groups" vs randomisation [BE/BA News]

posted by ElMaestro  – Denmark, 2020-12-23 08:12 (306 d 18:14 ago) – Posting: # 22156
Views: 1,614

Hi all,
»
  • In case of a parallel design, it is extremely important to obtain balanced groups in all demographic characteristics that might impact the pharmacokinetics of the drugs. The methods employed to ensure balanced groups are generally not described in the protocols.

This is a very tricky way to write something for clarification.
It is like they give you a choice - Do you want to randomise or do you want to "obtain balanced groups" ? On average (whatever the hell that means) plain randomisation assures balance, but randomisation does not in any individual case guarantee balance. Perhaps they meant to combine stratification with randomisation. Or what?

Had they written "it is extremely important to aim for balanced groups" then I'd get the point. But that would not change anything from today's practice, as all CRO's to the best of my knowledge are randomising.
What is it they really tried to clarify? And how do I do comply?

Pass or fail!
ElMaestro

Complete thread:

Activity
 Admin contact
21,757 posts in 4,549 threads, 1,544 registered users;
online 4 (0 registered, 4 guests [including 4 identified bots]).
Forum time: Tuesday 03:27 CEST (Europe/Vienna)

I have never in my life learned anything
from any man who agreed with me.    Dudley Field Malone

The Bioequivalence and Bioavailability Forum is hosted by
BEBAC Ing. Helmut Schütz
HTML5