[ adj ] of or relating to the early phases of a disease when accurate diagnosis is not possible because symptoms of the disease have not yet appeared <adj.pert>
Sandoz Ltd. has licensed certain manufacturing and marketing rights for Interleukin-3 from Genetics Institute and is conducting preclinical studies with it.
It said it will develop the artificial heart in collaboration with the Texas Heart Institute of Houston, which will conduct preclinical tests.
Stanley Crooke will be succeeded by George Poste, who is currently vice president world-wide research and preclinical development of Smith Kline & French Laboratories.