In what cases, if any, do you find the use of naltrexone to augment lifestyle interventions (i.e., cognitive behavioral therapy, graded exercise therapy) for chronic fatigue to be helpful?

Have you used naltrexone to augment lifestyle interventions (i.e., cognitive behavioral therapy, graded exercise therapy) for chronic fatigue syndrome?

• Yes, it wasn't effective
• Yes, it was effective
• No
• I wasn't aware of this off labeled use
• Other