The drug Thalidomide was ________.

Question

Quizplus · Accepted Answer

Thalidomide was sold as a mixture of its two enantiomers. One of these enantiomers was effective as a sedative and for morning sickness, while the other caused severe birth defects. This difference in biological activity between the enantiomers is a key aspect of the thalidomide tragedy. Frances Oldham Kelsey was instrumental in preventing the approval of thalidomide in the United States, due to concerns over its safety, thus it was never approved for use there.

The Drug Thalidomide Was ________