Ardea Biosciences, Inc. (RDEA)

[surf1944]

Ardea to Present Data on HIV Non-Nucleoside Reverse Transcriptase Inhibitor and Two MEK Inhibitors at Upcoming Medical Conferences
Monday April 7, 8:00 am ET


SAN DIEGO, April 7, 2008 /PRNewswire-FirstCall/ -- Ardea Biosciences, Inc. (Nasdaq: RDEA - News) today announced that data will be presented on its second generation non-nucleoside reverse transcriptase inhibitors (NNRTIs), at the 21st International Conference on Antiviral Research (ICAR). Additionally, data on two of the Company's mitogen-activated ERK kinase (MEK) inhibitors, RDEA119 and RDEA436, will be presented at the American Association for Cancer Research (AACR) annual meeting.

The presentation details are as follows:

-- 21st ICAR in Montreal, Quebec, Canada
Date/Time: Monday, April 14, 2008 at 4:00 p.m. Eastern Time
Title: A Novel NNRTI Class with Potent Anti-HIV Activity against
NNRTI-Resistant Viruses
Location: Poster Session 1 (Poster #80)

-- AACR Annual Meeting in San Diego, California
Date/Time: Tuesday, April 15, 2008 at 1:00 p.m. Pacific Time
Title: RDEA119, a Potent and Highly Specific MEK Inhibitor is
Efficacious in Mouse Tumor Xenograft Studies
Location: Poster Session 32 (Poster #4878), Exhibit Hall B-F

Date/Time: Tuesday, April 15, 2008 at 1:00 p.m. Pacific Time
Title: RDEA436, a Novel MEK Inhibitor with Favorable
Pharmacokinetic Properties
Location: Poster Session 32 (Poster #4895), Exhibit Hall B-F