In early trials, doctors start by giving a tiny, very safe amount of a new treatment to the first small group. If they tolerate it well, the next group receives a slightly higher dose until doctors find the safest and most effective amount.
In early trials, doctors start by giving a tiny, very safe amount of a new treatment to the first small group. If they tolerate it well, the next group receives a slightly higher dose until doctors find the safest and most effective amount.