It combines the well known opioid agonist oxycodone in the treatment of pain with an ultra-low dose of naltrexone , an opioid antagonist .
Oxytrex is an investigational drug currently in clinical trials .
Oxytrex combines the well known opioid agonist oxycodone in the treatment of pain with an ultra-low dose of naltrexone , an opioid antagonist .
Oxytrex is an investigational drug currently in clinical trials .