The three-injection strategy used in the study is somewhat cumbersome. It remains to be seen if this strategy could potentially be replaced with a single injection of steroid and local anesthetic, as has been shown in several smaller studies, he noted.
DR. DODICK is in the department of neurology at the Mayo Clinic, Phoenix. He reported no financial conflicts of interest. These remarks were taken from his commentary accompanying Dr. Leroux's report (Lancet 2011 Sept. 7 [doi:10.1016/S1474-4422(11)70197-1]).