Press Release

 
VGX Collaborators Present at the ICAAC
Blue Bell, PA – September 27, 2006 –

VGX Pharmaceuticals announced that the Company’s collaborators from the Adult AIDS Clinical Trials Group (AACTG) have presented a scientific poster at the 46th Annual International Conference on Antimicrobial Agents and Chemotherapy (ICAAC) in San Francisco. The poster presentation entitled, “A5200, Phase I/II Trial of the Anti-HIV Activity of Mifepristone (MIF) in HIV Infected Subjects (ICAAC06-A-1171-ASM) presented results from the A5200 study conducted by AACTG and VGX as the first Phase I/II clinical trials of PICTOVIR™, a lead drug compound for the treatment of HIV infection (See Press Released dated 12/29/2005).

A5200 Study’s Chairman Professor Michael Para, MD of Ohio State University presented poster on behalf of the A5200 team. This double-blinded, placebo-controlled, multi-center, multi-dose, randomized, Phase I/II study was conducted at 8 different AACTG site, including Ohio State University, UCLA, University of Pennsylvania, University of Washington, and Georgetown University. PICTOVIR™ doses of 75 to 225 mg/d were safe and well-tolerated and in vivo biologic activity was confirmed in the higher dosage arms.

Based upon these results, the VGX Pharmaceuticals is currently conducting additional Phase II clinical trials for PICTOVIR™ with higher dosage levels to determine the dosage level necessary to achieve a clinically significant antiviral effect.


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About VGX Pharmaceuticals
VGX Pharmaceuticals is a leading biopharmaceutical company with strong product candidates for the treatment of infectious diseases including HIV and hepatitis C virus (HCV) as well as cancer and inflammatory diseases. The Company’s clinical development programs include PICTOVIR™ for HIV infection and VGX-410C for chronic HCV infection, which are currently in Phase II clinical trials. In addition, a Phase I clinical trial will be initiated in 2007 for the Company’s lead cancer drug compound, VGX-150 for the treatment of Melanoma. Moreover, VGX Pharmaceuticals’ therapeutic platform is designed to advance a strong and continual pipeline of additional drug candidates into the clinic with VGX-100 for cancer therapy and VGX-1027 and VGX-750 for inflammatory diseases currently in development. The product candidates and technology programs are protected by the Company’s extensive global intellectual property portfolio. More information about VGX can be found at www.vgxp.com.

Company Contact:
Kevin W. Rassas
Senior Vice President
Tel. 267.440.4208
Fax 267.440.4242
E-mail: Rassas@vgxp.com
www.vgxp.com