KIRKLAND, WASHINGTON - May 7, 1999 - Radiant Research announces the acquisition of MD4 Clinical Research Center in Boise, Idaho. With acquisition, MD4 Clinical Research is adopting the name Radiant Research, Boise. Radiant Research, Boise is led by Bryan C. Pogue, M.D., an experienced clinical research physician, board certified in Family Practice.

Dr. Pogue has been conducting clinical trials since 1993, serving as principal investigator in clinical studies for a wide range of sponsors and over a broad variety of therapeutic areas, including hypertension, pulmonary disease, infectious disease, women's health, urology, gastroenterology, and diabetes. Radiant Research, Boise benefits from an extensive and growing patient database, accumulated through Dr. Pogue's separately maintained private practice.

"The integration of the high-performance team of Radiant Research, Boise into our organization is consistent with Radiant's aggressive but selective expansion strategy, and will contribute to our goal of growing a company of superior quality research sites, with proven track records," said Radiant Research's CEO Michael K. Lester. "The versatility of the site's therapeutic capabilities will serve to further diversify Radiant's service offering to its clients. The excellent working relations, which Radiant Research, Boise has established with a large number of sponsors, will promote the growth of Radiant's client base."

"We have been approached by other site management organizations, but recognized Radiant Research as the leader in the clinical trials industry," commented Dr. Pogue. "We foresee tremendous growth opportunities within the regional market, and we look to Radiant to foster that growth by providing the needed resources and an efficient infrastructure."

Radiant Research continues to pursue dynamic growth strategy through acquisition of premier, multi-specialty clinical research sites.

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About Radiant Research
Based near Seattle, Washington, Radiant Research (radiantresearch.com) is a comprehensive clinical research and development company serving the biopharmaceutical and medical device industry. Radiant is comprised of more than 30 wholly-owned premier clinical research centers nationwide, employing over 500 clinical research professionals exclusively focused on providing professional, high quality study conduct and drug development services. In the past four years, Radiant has conducted more than 8,000 clinical trials across 18 therapeutic specialties.

Contact:
Michael K. Lester Chief Executive Officer RADIANT RESEARCH (425) 468-6200	Pamela M. Spaniac Chief Financial Officer RADIANT RESEARCH (425) 468-6200