preclinical

/priˈklɪnɪkəl/
adjective
  1. Relating to the stage of medical research or testing that happens before a treatment is tested on humans.
    • The new drug is still in the preclinical stage, being tested only on cells and animals.
    • Preclinical studies help researchers decide if a treatment is safe enough to try on people.
    • She works in a lab that conducts preclinical research on potential cancer therapies.
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