BIO topic 5

• Three stages of testing drugs

  pre clinical drug trials, anmal trails, human clinical trials
• Preclinical drug trials

  tested on computer models and human cells grown in a lab. allows efficiency and side effects to be tested.
• animal trials

  monitored carefully to see side effects
• human clinicsal trials

  on healthy volunteers to check they are safe. low doses used initially, and if safethe dosage will increase until optimum dosage is identified.

  This comes with a level of risk.