Investigators have found that injecting standard chemotherapy into the abdominal cavityinstead of intravenously aloneincreases survival with advanced ovarian cancer by, on average, a remarkable 16 months.
What did the experiment test, and how credible are the results? The study, published last week in the New England Journal of Medicine, was a rigorous trial of 429 women who had Stage 3 ovarian cancer and were randomly assigned to receive chemotherapy either intravenously or through both the bloodstream and the abdomen (via a catheter).
What was the treatment like? Patients first underwent surgery to clear the abdominal area—including around the liver, spleen and...