* Adolor Corp., of Malvern, Pa., appointed Curtis Wright vice president of clinical research and regulatory affairs and Peter Schied vice president and chief financial officer.

* Aradigm Corp., of Hayward, Calif., named Babtunde Otulana vice president of clinical affairs.

* Arris Pharmaceutical Corp., of South San Francisco, appointed to its board of directors Ann Margaret Arvin, professor of pediatrics and microbiology/immunology at the Stanford University School of Medicine, of Palo Alto, Calif.

* AtheroGenics Inc., of Norcross, Ga., made the following appointments: to its board of directors, William Scott, president and CEO of Physiome Sciences Inc.; to its scientific advisory board, Robert Nerem, director of the Parker H. Petit Institute for Bioengineering and Bioscience; and to its clinical advisory board, William Brown, director of the division of arteriosclerosis and lipid metabolism at Emory University, in Atlanta, and Joseph Witztum, professor of medicine and co-director of the specialized center of research on arteriosclerosis at the University of California, San Diego.