Phase I trial
Clinical trials in humans begin at phase 1, which is used to determine safety. These trials are small, often enrolling fewer than 100 subjects, and the patients understand there is considerable risk in their participation. These trials generally take six months to a year.
Recent Mentions on Fool.com
- Bursting Biotechs -- Are These Stocks Buys?
- Manic Markets: Healthcare Bargains Worth Buying
- 3 Alzheimer's Drugs Investors Should Be Watching
- Celgene's $7.2 Billion Makes a Big Splash
- Forget ExxonMobil and Chevron; BP Is the Best Integrated Major for Your Portfolio
- These 3 Biotech Stocks Are Losing Money, But We'd Still Buy Them