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Biotech / Medical : Agouron Pharmaceuticals (AGPH) -- Ignore unavailable to you. Want to Upgrade?


To: Jonas Grumby who wrote (4458)6/11/1998 2:20:00 PM
From: margie  Read Replies (1) | Respond to of 6136
 
I think this rumor of a deal between agph and imnr is just that, a rumor. Especially when these statements are made:
>IMNR and AGPH would fit together well. AGPH is a one-stock company >with a great cash flow for next two years but a poor pipeline. IMNR >has a great pipeline but insufficient cash to play all the options. (from yahoo chat-imnr)

A poor pipeline???? Agouron???
Besides Viracept, Agouron's "one product" with estimated sales of approximately $375 million or so, ending June 30, 1998,
Agouron has two drugs in clinical trials:
AG3340, the MMPI and anti-angiogenesis inhibitor is in phase II/III; AG2034, the GART inhibitor is in phase I;
plus Agouron has three drugs in pre-clinical trials and eight drugs are in the research stage.

Didn't someone from the imnr thread once post on the SI agph thread that Dr. Walker said at the Retro conference in Chicago that immunotherapy was the only way to go for HIV, and that Immune Response had the only treatment that worked?

Agouron has said they are exploring the licensing of a new product, possibly anti-HIV. The rest is speculation and imo, there is a lot of hype coming from this latest barrage of posts on the Immune Response thread ....coinciding with the imnr board meeting.

OTOH, this area of immune therapy is very promising and many companies and institutions are involved in different types of research on immune reconstitution as well as preventing the initial HIV infection through vaccines.
"Ideally new immune-based therapies could be used to strengthen patients' immune systems against HIV and other pathogens while their HIV levels are being suppressed by HAART. Thus if HIV returns -- if people on HAART experience "virologic failure" -- patients' immune systems would be better equipped to control HIV in the presence of waning antiretroviral efficacy. HAART may provide a window of opportunity during which optimal host immunity to HIV (and other pathogens) may be restored, to try to achieve the same anti-HIV responses that long term non-progressors show.

For some information: healthcg.com
Proceedings of the "Immune Function and Surrogate Markers:
Setting the Goal Line conference, Jan 9-11, 1998.

And nam.org.uk
AIDS Treatment update: Rebuilding Immunity
New hope that the immune system may rebuild itself once HIV is suppressed. April 1998.



To: Jonas Grumby who wrote (4458)6/11/1998 5:13:00 PM
From: Steve Fancy  Read Replies (2) | Respond to of 6136
 
Well Jonas, wish I paid more attention to your post and investigated this further this morning. Noticed IMNR is trading at 14-14 1/8 after hours, AGPH one measly trade at 16:33 at 34. Interesting based on the apparent recognition of this rumor by a select few, that AGPH really hasn't reacted one way or the other, other than a 1-1/1/2 point gain a few days ago on slim volume.

C'mon you AGPHite's...what do we make of this news? Is their drug a potential blockbuster of any kind?

sf



To: Jonas Grumby who wrote (4458)6/12/1998 4:01:00 PM
From: margie  Read Replies (1) | Respond to of 6136
 
Good thing SI doesn't have videoconferencing or you would have a seen a red face when the announcement came yesterday and I apologize for my references to the 'hype' on the Immune Response thread. There is a lot of exciting and promising research emerging in Immune Therapy and I'm looking forward to Immune Response's data to be presented in Geneva.

LMOSS from AOL agrees.
Subject: Looking ahead
Date: Thu, Jun 11, 1998 17:56 EDT
From: LMoss

>The collaboration between Agouron and Immune Response expands Agouron's role in what is >likely to be the "gold standard" therapy for fighting HIV in the year 2000. It will probably combine immune system therapy (Remune), a powerful PI (Viracept), an NNRTI (DuPont's Sustiva), and an RTI. Agouron will have 50% of the profits from sales of the first two, and incremental marketing expenses for Remune should be quite low.
>A collaboration with DuPont would seem to make a lot of sense (and cents) for both parties.
>With this array of weapons, HIV is in a lot of trouble!
____
The goal in HAART therapy at present is to suppress viral load. The goals will change as data appears that is possible to rebuild, reconstitute, or fortify the patients immune system so that patients develop immune systems more like those of patients who are Long Term Non-Progressors ( LTNP), that is patients who are infected with HIV but do not progress to AIDS 6-12 years after infection. The rational for therapeutic vaccination comes from the observations of these LTNP. Bruce Walker and the group at Mass General found that LTNP had strong HIV-specific CD4+ proliferative responses resulting in production of anti-HIV cytokines, interferon-gamma and beta chemokines. Walker's group believes it is possible to restore the proliferative response by immunizing patients them with HIV vaccines. HAART may provide a window of opportunity during which optimal host immunity to HIV (and other pathogens) may be restored

Patients who are given HAART develop strong proliferative lymphocyte reaction to antigens such as tetanus. Dr. Valentine of NYU has suggested that the LPA or lymphocyte proliferation assay be used as a surrogate marker to decide whether treatment should be continued or stopped. Very simply, the helper cells or CD4 cells in the immune system release cytokines or chemicals that activate the CD8 cells cytolytic T-cell (CTL) which then attack the HIV virus. During early HIV infection the HIV virus kills the CD4 cells so the killer CD8 cells are not activated and the HIV is allowed to replicate.
thebody.com

As TAGline reported in January, strong anti-HIV CD4+ LPA responses have been documented in monkeys inoculated with a DNA vaccine. A preliminary clinical study has demonstrated that this approach is safe for use in humans. At the IHV meeting, Ron Moss of Immune Response Corporation reported that vaccination with the "Salk" HIV-1 immunogen induced strong CD4+ LPA responses to the immunogen itself and to purified p24 antigen derived from the immunogen. Cross-clade (clades B and E) anti-HIV LPA responses were also documented in a small study by Dr. Moss and colleagues. In addition, Dr. Moss reported significantly increased p24 antigen-induced beta-chemokine production (RANTES, MIP-1alpha and MIP-1beta) following immunization with the Salk HIV-1 immunogen.

Finally, a team of NCI researchers have announced the development of an inactivated HIV immunogen that retains the structural and functional properties of HIV's envelope proteins. All told, numerous groups around the world are preparing to begin vaccinating HAART-treated patients with HIV antigens and/or anti-OI antigens. Initial trials will focus on the ability of interventions to induce or augment antigen-specific LPA responses, cytotoxic T lymphocyte responses, and beta-chemokine release.