Recent Examples on the WebResults from a new clinical trial of active-duty service members have shown that an injection in the neck called stellate ganglion block, or SGB, is an effective treatment for post-traumatic stress disorder. Heather Abbott, CBS News, 6 Nov. 2019 The U.S. Army is researching an anesthetic injection called a stellate ganglion block that could relieve symptoms of post-traumatic stress disorder. Michael M. Phillips, WSJ, 12 June 2017