Rimonabant has shown clear clinical efficacy for the treatment of obesity.

Even with the adjustments, he said, the results showing efficacy in minorities would still be statistically significant.

And actually, the work in finding the links goes part of the way toward showing efficacy.

In animal and human studies, it has shown similar efficacy to theophylline but with significantly fewer side effects.

The trial failed to show efficacy of the treatment.

Early studies have shown single-agent efficacy in a number of different areas.

That doesn't mean the procedure shows identical efficacy with every subject.

A trial is first performed to show efficacy and, within limits, to quantify the effect.

As of 1st July 2009, the compound has not shown sufficient efficacy, and its future development is unknown.

Two clinical studies have shown efficacy in the case of chronic constipation.