No randomized controlled trials have yet been conducted to evaluate such treatments, so the benefits have not been clearly established.

Five-year survival rates evaluate older, not current, treatments.

By evaluating different treatments and characteristics, Sanda has developed a prediction model.

The placebo effect makes it more difficult to evaluate new treatments.

Clinical trials continue to evaluate new treatments for thyroid cancer.

During a clinical trial, doctors use the best available treatment as a standard to evaluate new treatments.

Infection caused by C. violaceum is rare, therefore there are no clinical trials evaluating different treatments.

They also help doctors diagnose medical conditions, plan or evaluate treatments, and monitor diseases.

The new policy stems from a conflict of interest case last year involving a review article in Nature Neuroscience that evaluated experimental treatments for depression.

The systematic review of published research studies is a major method used for evaluating particular treatments.