Multi-center, randomized controlled efficacy and comparative-effectiveness study evaluating ketamine, stellate ganglion blocks, combination treatment, and sham treatments for posttraumatic stress disorder and traumatic brain injury-associated headache: a study protocol
Pain Management October 1, 2026 Steven Paul Cohen, Roman Smolynets, Jordan Wood et al.
BACKGROUND: Posttraumatic stress disorder (PTSD) and traumatic brain injury (TBI) are conditions that share common mechanisms and are highly co-prevalent with each other and chronic pain. This pragmatic study will compare ketamine infusions to stellate ganglion blocks (SGB), their combination, and a placebo-sham-controlled arm. METHODS: A double-blind study conducted at 3 U.S. and Ukrainian...