Men with a history of physical or sexual abuse had more severe drug problems at intake, but by 6 months, there were no group differences in drug use. However, relative to men without an abuse history, men with a sexual abuse history had more severe psychiatric problems at all three time points and were more likely to report significant suicidality at intake and 6 months. Findings suggest that men with a history of sexual abuse benefit from SUD treatment, but additional intervention may be warranted to remedy persisting psychiatric distress.
I don’t remember seeing a study looking at sexual abuse in men and its impact on treatment outcomes. The findings look a lot like what studies of women have found: