Double-blind, placebo-controlled study aims to measure safety and efficacy of INDV-2000 over 3 months in participants with moderate to severe Opioid Use Disorder. INDV-2000 is an investigational non-opioid treatment that acts through the orexin pathway, shown to play a key role in the neurobiology of substance use disorder in animals. Recent animal studies have demonstrated that selective Orexin-1 receptor antagonism can reduce self-administration of opioids and synthetic opioids such as fentanyl and remif ...