Hello Vigilius
Yes I've seen that study and others. The trouble is they are not
clinical human trials so they get trumped by any dubious complaint to
the FDA that results in a 'Safety Alert'. Its the 'precautionary
principle'. No real evidence is needed, just an anecdote or two that
creates 'concern'. But once it appears in a Safety Alert it becomes
gospel, good enough to be considered as a 'reliable source' by the
NCCAM and Wikipedia. The only way to beat it is with a peer reviewed
clinical trial OR with an agument that points out that the original
complaint was based on such flimsy evidence as to be ridiculous.
As an Australian I probably can't take this much further but perhaps
a U.S. member could follow it up. Below is the response I got from
the FDA. As you can see the phone number to call is (301) 796-3900
Inquiry:
Hello. I am writing regarding your Safety Alert for Silver.
http://www.fda.gov/Food/RecallsOutbreaksEmergencies/
SafetyAlertsAdvisories/ucm184087.htm . In this alert you say... "the
use of silver-containing dietary supplements may interfere with the
body's absorption of some drugs, such as quinolone antibiotics
[ciprofloxacin (Cipro), norfloxacin (Noroxin), ofloxacin],
tetracycline antibiotics, thyroxine, and penacillamine (Cuprimine).
Could you please provide me with a reference or source for this
statement"
Response: (received on April 18.)
Thank you for taking the time to contact the U.S. Food and Drug
Administration's (FDA), Center for Food Safety and Applied Nutrition
(CFSAN). I am able to provide you with information that will direct
you to the guidance, regulations and other resources to assist you in
determining how to correctly apply them to your unique product and
situation. It will be helpful to fully review the information provided.
Please contact the FOI staff at (301) 796-3900 to determine whether
the records you are seeking are maintained in the Public Reading
Room, Electronic Reading Room, or if the information requires the
submission of a FOI request.
My 'case number' for this enquiry was 00008403 if that helps.
(I must admit, the response from the FDA was at least prompt and
clear. Much better than I'd expect from the overpaid public service
clock watchers we have over here.)
David
From: Vigilius Haufniensis <[email protected]>
Subject: Re: CS>The evidence for Silver/Antibiotic 'interference'.
Theres probably none.
NOT factually the case. The MRSA studies we listed in our book
show that CS does assist traditional antibiotics, also works great
on it's own.
Here's a small booklet on MRSA at this link:
http://kiwi6.com/file/4s0d4fa55g
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