0 a substance given to someone who is told that it is a particular medicine, either to make that person feel as if they are getting better or to compare the effect of the particular medicine when given to others: --
1 a substance that is not medicine, but that is given to someone who is told that it is a medicine, used to test the effect of a drug or to please a patient --
In the flexible-dosage study in patients with spinal cord injury pain, 22% of pregabalin and 8% of placebo-treated patients were responders.
Efficacy of pregabalin in neuropathic pain evaluated in a 12-week, randomised, double-blind, multicentre, placebo-controlled trial of flexible- and fixed-dose regimens.
Randomized double-blind, placebo-controlled trial of high-flow inhaled oxygen in acute cluster headache.
One of the drinks was nutritionally balanced and contained tryptophan (placebo), the other was identical but contained no tryptophan.
Double blind study of imipramine and placebo for incontinence due to bladder instability.
Perhaps they were all placebos.
A review of the evidence revealed that in 21 trials acupuncture was no better than placebos in securing long-term abstinence from smoking.
There are few reports to suggest that it achieves markedly better results than placebos.
