Short: The GCP forum has been created as a tool to help those involved in clinical trials of Investigational Medicinal Products to comply with the clinical trials legislation and GCP requirements.

Shorter: Discuss any topic around clinical trials, except urgent matters that require immediate response to MHRA. :-)

Here is the link to the forum:

http://forums.mhra.gov.uk/forumdisplay.php?1-Good-Clinical-Practice-(GCP)