0 relating to a drug trial in which the drug being tested is compared with a placebo (= a substance containing no medicine) --
A placebo-controlled trial of fluoxetine added to neuroleptic in patients with schizophrenia.
Efficacy and adverse effects of atypical antipsychotics for dementia: meta-analysis of randomized, placebo-controlled trials.
Two small placebo-controlled studies have indicated no benefit of selegiline over inactive control in treating negative symptoms.
Morning light treatment hastens the antidepressant effect of citalopram : a placebo-controlled trial.
Lithium revisited : a re-examination of the placebo-controlled trials of lithium prophylaxis in manic-depressive disorder.
Isoflavones reduce arterial stiffness: a placebo-controlled study in men and postmenopausal women.
It is likely that the placebo-controlled trials provide the least-biased estimate of the efficacy of therapy.
There are now no fewer than 15 placebo-controlled studies of hypericum, and eight trials test the herb against standard antidepressants.
