drug trials

• 5 stages of drug trials

  -pre-clinical testing

  -phase 1 clinical trials

  -phase 2 clinical trials

  -phase 3 clinical trials

  -drug on sale
• pre clinical testing involves

  laboratory and animal testing
• phase 1 involves

  10-100 volunteers
• phase 2 involves

  200-400 volunteers
• phase 3 involves

  3000+ volunteers
• how long does it usually take for a drug to go on sale

  11-12 years
• human clinical trials phase 1 involves..

  20-80 healthy volunteers looking at safety and dosage
• human clinical trials phase 2 involves

  100-300 ill volunteers looking at efficiency and side effects
• human clinical trials phase 3 involves

  1000+ ill volunteers looking at long term effects and results are used for licensing
• placebo=

  a treatment that does not jot contain the drug
• what is a cytokine storm

  an extreme immune reaction which leads to a cascade of activity- cells attacking cells and tissues