Additionally,there are 75 clinical trials going on right now in the United States, with another 200 drugs in development behind that,"

VOA: standard.2009.12.04

Dr.Nissen's report was based on 42 clinical trials that showed a connection between Avandia and heart problems.

VOA: standard.2010.03.02

Hope Ferdowsian of the Physicians Committee says "For example,in HIV research, we've learned a lot from human epidemiological studies and ethically conducted clinical trials."

VOA: standard.2010.02.16

Try to get people,your family members into the clinical trials, going to clinicaltrials.

VOA: standard.2009.12.04

More than 80 new vaccines are in late-stage clinical trials.

VOA: standard.2009.12.28

The device has performed well in clinical trials.

VOA: standard.2010.06.04

Dr.Leslie Miller at Washington Hospital Center is involved in clinical trials of heart pumps, including this one that the U.S.Food and Drug Administration has approved as a device that can permanently replace the heart for patients who are too old to be considered for a heart transplant.

VOA: standard.2010.01.27