Gensia also promoted Rob Hillman to the position of division vice president, pharmaceutical & delivery systems development, and Stephen Eisold to vice president and general manager, pharmaceuticals, North America. * Xytronyx Inc., San Diego, appointed David Okrongly as vice president of research and development. * Alexion Pharmaceuticals Inc., New Haven, Conn., appointed Bernadette Alford to the newly created position of vice president, regulatory affairs and project management. * Matrix

Most recently he was chairman, president and CEO of Boehringer Mannheim Corp...in Indianapolis. * CELx Corp., Seattle, named Harvey Hoyt as president, CEO and director...Most recently Hoyt was CEO and director of MicroProbe Corp

Most recently Franco was vice president and general manager of Cerenex Pharmaceuticals and Glaxo Dermatology, both divisions of Glaxo Inc. * Somatogen Inc., Boulder, Colo., appointed Andre de Bruin as its new president and CEO...Most recently Hoyt was CEO and director of MicroProbe Corp

MedImmune Inc., of Gaithersburg, Md., appointed Bogdan Dziurzynski senior vice president of regulatory affairs and quality assurance...Neurogen Corp., of Branford, Conn., appointed Stephen Davis vice president of finance, chief financial officer and treasurer...Paracelsian Inc., of Ithaca, N.Y., named Keith Rhodes acting president, chief executive officer and chairman

Gordon Ringold, president and chief operating officer...Kenneth Nussbacher, executive vice president of business and legal affairs...Agennix Inc., of Houston, named the following people to its scientific advisory board: Bert O'Malley (chairman), Edward Baker, Orla Conneely, Ralph Feigin, Jan-Ake Gustafsson, Denis Headon, Richard Klausner and William Schrader

OsteoArthritis Sciences Inc., of Cambridge, Mass., named William Crouse, Gerard Moufflet and Ronald Lennox to the board of directors and Thomas Sharpe vice president of research and development...and Marvin Jaffe to Theracell Inc. (c) 1997 American Health Consultants

ImmuLogic Pharmaceutical Corp., of Waltham, Mass., named Steve Reese senior vice president of marketing and business development and Ze'ev Shaked as senior vice president of pharmaceutical development...IVAX Corp., of Miami, appointed Michael Fipps senior vice president of finance and chief financial officer

Alkermes Inc., of Cambridge, Mass., appointed Robert Breyer president and chief operating officer...Armen Tashjian, Helen Blau, David Golan, John Parrish, and Jean Wilson...Applied Microbiology Inc., of New York, appointed Peter Blackburn president and chief operating officer

y Synergen Inc., of Boulder, Co., has named Paul Koivuniemi vice president and general counsel, Scott C. Stromatt vice president of clinical research and Giles Campion vice president of clinical research...y Peter Blackburn was appointed president and chief operating officer of Applied Microbiology Inc...y Robert Breyer has been named president and chief operating officer of Alkermes Inc., of Cambridge, Mass. (c) 1997 American Health Consultants

Sepracor Inc., of Marlborough, Mass., has named David Southwell senior vice president and chief financial officer and Jean Devine director of corporate communications and investor relations...Interneuron Pharmaceuticals Inc., of Lexington, Mass., has made the following appointments to its majority-owned subsidiary, Progenitor Inc.: Glenn Cooper, chairman...Doros Platika, senior vice president of research and development

Kenward was formerly executive vice president and chief operating officer of Repligen Corp...Amylin Pharmaceuticals Inc., of San Diego, announced the appointments of Robert G. Thompson to vice president, James J. L'Italien to senior director of pharmaceutical chemistry and Martin Brown to Director of Information Technology. (c) 1997 American Health Consultants

y Aprogenex Inc., of Houston, has named Peter Carbonaro director of operations and Michael G. Rusnak director of marketing...y Macronex Inc., of Morrisville, N.C., has appointed Richard Mueller president and CEO...y Oxford GlycoSystems, of Oxford, England, has appointed Robert Burns president and general manager of the company's therapeutics business

y Robertson, Stephens and Co., of San Francisco, has appointed Edward Hurwitz a vice president and senior research analyst in biotechnology...y CytRx Corp., of Norcross, Ga., has appointed Richard Shuler president and CEO of its VetLife Inc

InSite Vision Inc., of Alameda, Calif., appointed Cynthia Butitta as vice president and chief financial officer...T Cell Sciences Inc., of Cambridge, Mass., named Duff Brace as president and chief operating officer of its subsidiary, T Cell Diagnostics...ABAXIS Inc., of Sunnyvale, Calif., announced that Ting Lu and Daniel Wong have been named vice presidents. (c) 1997 American Health Consultants

Titan Pharmaceuticals Inc., of South San Francisco, has announced six new appointments: Robert Butz was named president and chief operating officer of Theracell Inc...Michael Grey was appointed president and chief operating officer of Ansan Inc...Gregory Reyes was named vice president, research and development, at Ingenex Inc. (c) 1997 American Health Consultants

Donald McCarren has resigned as president and chief operating officer of Cambridge, Mass.-based ImmunoGen Inc...has appointed Gregory Abbott president and CEO

Robertson, Stephens and Co., of San Francisco, has appointed Edward Hurwitz a vice president and senior research analyst in biotechnology...CytRx Corp., of Norcross, Ga., has appointed Richard Shuler president and CEO of its VetLife Inc

Middlesex Sciences, of Foxborough, Mass., has named Thomas J. Facklam vice president of research and development...Pharmagenesis Inc., of Palo Alto, Calif., has named Robert Tidwell vice president and general manager of the Pharmagenesis U.S...and Susan Simmons, director of finance and controller

Inc., of Los Angeles, as senior vice president, finance and corporate development...Paul Broome was appointed as vice president and medical director for clinical trials and regulatory affairs for Aphton, of Woodland, Calif. (c) 1997 American Health Consultants