A: Nothing has been shown in clinical trials to relieve the side effects of chemotherapy.

It has not been shown in controlled clinical trials to be effective, and costs over $7,000.

These products, however, showed no benefits in human trials.

It was studied as a potential weight-loss drug, but failed to show benefit in clinical trials.

Nowadays, they usually have to show effectiveness for at least one drug in clinical trials.

It is though not without some risk, and has not been shown in more recent trials to improve outcome compared to antibiotics alone.

Targeting Hsp90 with drugs has shown promising effects in clinical trials.

The drug has shown signs of effectiveness in early clinical trials, but is not expected to reach the market before 2009.

Or they may claim that the risks of their drug are less likely to occur than shown in clinical trials.

Calcipotriol has been shown in clinical trials to have an excellent safety profile.