Date:         Wed, 12 Dec 2001 16:44:17 +0100
Reply-To:     Ace <b.rogers@VIRGIN.NET>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Ace <b.rogers@VIRGIN.NET>
Subject:      Re: Clinical trials NOT using SAS?
Content-Type: text/plain; charset=us-ascii

On Wed, 12 Dec 2001 08:45:37 -0500, Ken Milstead
<krmilstead@hotmail.com> wrote:

>Ace wrote:
>
>> It doesn't need to be rerunnable _by_ the FDA. As long as normal
>> systems standards are applied, the original system would either still
>> be in place or have been replaced by something else, in either cases
>> ensuring that backward-compatibility is maintained.
>
>Well, actually, according to the FDA Guidance "Computerized Systems in Clinical
>Trials", backward-compatibility is not necessarily sufficient. This guidance
>calls for companies to maintain indefinitely  the actual hardware and software
>versions used to create a submission so that a submission can be duplicated
>exactly as created (using the audit trail of data changes, etc.) if requested by
>FDA.

But it doesn't happen. I've been working on systems for the last year
to enable a client to reproduce submission reports on a different
hardware/software platform then that originally used...

The thing with 'guidance' is that it's just that - not a hard-and-fast
rule.

--
Ace in Alsace