Phase 1
Phase 2
Designed to determine
Phase 3
Designed to determine
Phase 4
Surveillance to determine
Designed to determine
Long-term effects of the drug or treatment
How the new treatment compares with a current treatment
Effectiveness in fighting cancer
Side effects
A clinical trial is the last step of a research study. After a treatment is developed, tested and tweaked over years in a laboratory, the treatment is introduced to a small group of people.
Clinical trials are designed for new medications, treatments such as radiation or chemotherapy, surgical procedures and medical devices.
Following Phase 3 is when a new medication or treatment can apply for approval by the U.S. Food and Drug Administration (FDA).
A clinical trial is the last step of a research study. After a treatment is developed, tested and tweaked over years in a laboratory, the treatment is introduced to a small group of people.
Clinical trials are designed for new medications, treatments such as radiation or chemotherapy, surgical procedures and medical devices.
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Effectiveness in fighting cancer
Side Effects
Effectiveness in fighting cancer
Side Effects
How it should be delivered
Safe dose
Effectiveness in fighting cancer
How it should be delivered
Safe dose
Effectiveness in fighting cancer
Effectiveness in fighting cancer