Sentence Examples


  • The control group took a placebo, while the experimental subjects took the drug that was being tested.
  • Research results on the efficacy of St. John's wort have been inconsistent, with some studies finding the herb to be as effective as selective serotonin reuptake inhibitors (SSRIs) and others finding it no more effective than a placebo.
  • Food allergen provocation tests require abstinence from the suspect allergen for two weeks or more, followed by ingestion of a measured amount of the test substance administered as an opaque capsule along with a placebo control.
  • One German study found that a cream made with an extract of St. John's wort relieved the symptoms of AD better than a placebo, but the herbal preparation had not as of 2004 been compared to a standard corticosteroid cream.
  • A 1998 study of 29,133 male smokers in Finland showed 32% less cases of prostate cancer and 40% less deaths from prostate cancer among men who took vitamin E to prevent lung cancer compared to men who took a placebo.