In another investigation reported last week, the "double-blind" technique proved to be a needless precaution. The superiority of the medicine being tested was so apparent that the researchers soon dropped the placebo.
The patients were victims of an excruciating form of facial neuralgia known as tic douloureux, which often seems doubly painful because the victims know there is no sure relief. Drug after touted drug and a succession of surgical procedures have been tried, only to be found of limited value, or to be discarded entirely. But hope was rekindled when Columbia University's Dr. William Amols told the American Neurological Association that...
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