However, a placebo-controlled trial may be ethically acceptable, even if proven therapy is available, under the following circumstances:.
Even inactive treatment has repeatedly demonstrated a measurable, positive health response.
In many trials, no one—not even the research team—knows who gets the treatment, the placebo, or another intervention.
Many researchers think that treatment earlier in the disease process may help prevent or delay dementia.
While some substances, like alcohol or benzodiazepines, can cause life-threatening problems like seizures during withdrawal, other types of withdrawal are uncomfortable but not dangerous.
Doctors around the world use placebos for clinical purposes due to their effects on a range of illnesses.
We report on a talk at this year's Wired Health, the annual conference on technological developments and their applications in healthcare.
It studies the direct effect of brain activity on the immune system.
This result was disappointing, but scientists gained a wealth of information to inform future research.
A trial finds that both web- and telephone-based cognitive behavioral therapy relieve symptoms of irritable bowel syndrome better than standard care alone.