Washington (GNP): NIH Mitragynine Opioid Treatment 2026 research has reached a landmark milestone, as the National Institutes of Health announced that its Investigational New Drug application for mitragynine — the primary psychoactive compound found in the kratom plant — has taken effect with the United States Food and Drug Administration. The development paves the way for the first-ever human clinical trial to evaluate mitragynine as a potentia…
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