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Newsgroups: alt.psychoactives
From: bwhite@oucsace.cs.ohiou.edu (William E. White )
Subject: Re: Special K = PCP
Message-ID: <Cwz1zA.Ivu@oucsace.cs.ohiou.edu>
Date: Sat, 1 Oct 1994 02:09:09 GMT
In article <35q1ek$i9o@explorer.clark.net>, Murple <murple@clark.net> wrote:
>
>Although PCP and Ketamine have virtually identical effects, they are 2
>different drugs.
I'd like to point out that most NMDA/sigma agents (of which PCP and ketamine
are two) tend to have fairly individual patterns of affinity and activity
on their targets (which include at least two sigma receptor types, at
least two and probably three NMDA receptor sites, one reuptake site, and
probably a couple of others). Having tried neither PCP nor ketamine (and
not having the desire to try either), I wouldn't know for sure, but I
would bet there would be some difference between the two, given that
they do exhibit subtly different activity and affinity spectra.
Incidentally, MK-801 (dizocilipine? or something like that), which is
another of the same class of NMDA/sigma agents, should have a similar
set of effects. MK-801 is being investigaged for its neuroprotective
effects (against excitotoxicity from endogenous quinolinic acid and
other assaults); PCP and ketamine should have the same abilities, but
somehow I don't see many patients reacting positively to "well, we'd
like to dose you with PCP to cut down on brain damage from that head
injury".
>Ketamine is still used in veterinary medicine, but I'm not
>sure if it is used in humans...although it is legal for medical use, as
>far as I know.
Several times when this topic has come up, it has been mentioned that
ketamine is used as an anaesthetic in severe burn victims. Why this is,
I don't know.
--
| Bill White +1-614-594-3434 | bwhite@oucsace.cs.ohiou.edu |
| 44 Canterbury, Athens OH 45701 | finger for PGP2.2 block |
Newsgroups: alt.drugs
From: spogue@oucsace.cs.ohiou.edu (Yazmar the UnClean)
Subject: Re: Research information
Message-ID: <Cr4AK9.1r5@oucsace.cs.ohiou.edu>
Date: Thu, 9 Jun 1994 06:40:57 GMT
MK-801 is a drug in the PCP/ketamine family. Quite a bit more potent than
both. I've never heard of it being being used as a 'recreational' psychedelic
however. I keep running across references to it while searching for ketamine
articles on medline.
Yaz
---------- Forwarded message ----------
Date: Wed, 17 May 1995 17:32:27 -0700
From: Steven K. Gill <skg@well.sf.ca.us>
Subject: MK-801
Recently, upon indulging my curiosity on what files hyperreal.com had under
"dissociative anaesthetics", I noticed MK-801 (dizocilpine) listed along
with ketamine, pcp, etc.
The former is not an anaesthetic, and does not induce the entheogenic states
typical of ketamine.
See, for example Physiol. & Behavior, *54*, 547 (1993), Pharmacology,
Biochemistry & Behavior, *48*, 935, (1994), and
Neuropsychopharmacology *11*, 167, (1994). In all three papers, the lack of
pcp-like anaesthesia with MK-801 is mentioned, and it is further pointed out
that blockade of NMDA receptors alone is not the mechanism of action of
dissociative anaesthetics. Of course it is well known that the latter
strongly affect sigma endorphin receptors, and DA receptors as well. MK-801
is relatively free of
these effects, thus listing MK-801 with ketamine is misleading, to say the
least.
If you wish to list other dissociative agents, you should certainly include
tiletamine, the N-ethyl, thienyl analog of ketamine. In admixture with a
benzodiazepine, it is known as Telazol, and is used as an animal
anaesthetic.
Hopefully this information has been of possible utility..
Respectfully, S
..