National Center For Complementary And Integrative Health (nccih)

This study tests whether a single dose of (2R,6R)-HNK, a drug related to ketamine, can safely reduce short-term pain in healthy adults aged 18 to 60. Participants will receive either the drug, a placebo, or no treatment, and will undergo pain tests and brain scans. The goal is to…

This study tests a new method to understand how two pain medicines, pregabalin and naproxen, relieve different types of pain in healthy adults. Up to 25 participants will receive each medicine and a placebo in random order, and undergo short pain tests like cold water and sunburn…