Pharmasset Inc. (fka VRUS)

[oc631]

AASLD 2010 webcast




Pharmasset to Webcast an Investor Event from the AASLD Meeting





PRINCETON, N.J., Oct 27, 2010 /PRNewswire via COMTEX News Network/ -- Pharmasset, Inc. (Nasdaq: VRUS) today announced that it will webcast an investor event from the American Association for the Study of Liver Diseases (AASLD) on Sunday, October 31, 2010 starting at 7:00pm ET. During this webcast, management will review Pharmasset's progress on the programs that are the subject of presentations at AASLD.

To access a simultaneous webcast of this event via the internet, log on to the "Events & Presentations" section of the Investor Center on Pharmasset's website at http://investor.pharmasset.com/events.cfm . Please connect to the website at least ten minutes prior to the start of the presentation to ensure adequate time for a reliable connection and any software download that may be necessary for the webcast.

The following abstracts are available on the AASLD website (AASLD.org).

RG7128

Abstract 81

"High rates of early viral response, promising safety profile and lack of resistance related breakthrough in HCV GT 1/4 patients treated with RG7128 plus PegIFN alfa-2a (40KD)/RBV: Planned Week 12 interim analysis from the PROPEL study" will be presented in the HCV Clinical Trials session on Sunday October 31st at 5:15pm ET. Authors of the study are Jensen, D. M. et al.

Abstract 799

"No evidence of drug resistance or baseline S282T resistance mutation among GT1 and GT4 HCV infected patients on nucleoside polymerase inhibitor RG7128 and Peg-IFN/RBV combination treatment for up to 12 weeks: Interim analysis from the PROPEL study" will be presented in a poster session on Sunday October 31st. Authors of the study are Le Pogam, S. et al.

PSI-7977

Abstract 806

"High Rapid Virologic Response (RVR) with PSI-7977 Daily Dosing plus PEG-IFN/RBV in a 28-day Phase 2a Trial" will be presented in a poster session on Sunday October 31st. Authors of the study are Lawitz, E. et al.

Abstract 1861

"Clinical synergy of an Anti-HCV Nucleotide Analog with SOC: Viral Kinetics of PSI-7977 with SOC" will be presented in a poster session on Tuesday November 2nd. Authors of the study are Lawitz E, et al.

Abstract 815

"IL28B SNP Geographical Distribution and Antiviral Responses in a 28-day Phase 2a Trial of PSI-7977 Daily Dosing plus PEG-IFN/RBV" will be presented in a poster session on Sunday October 31st. Authors of the study are McHutchison, J.G. et al.

PSI-938

Abstract 1890

"Pharmacokinetics, Safety, and Tolerability of PSI-938, a Novel Nucleotide Polymerase Inhibitor for HCV, Following Single Ascending Oral Doses in Healthy Subjects" will be presented in a poster session on Tuesday November 2nd. Authors of the study are Symonds, W. et al.