Testosterone-Lowering Medication and Its Association With Recidivism Risk in Individuals Convicted of Sexual Offenses

Abstract

For a particular subgroup of individuals with severe paraphilic disorders and a high risk of sexual recidivism, the combination of sex drive–reducing medications and psychotherapy is a promising treatment approach. The present quasi-experimental study aims at comparing differences in clinical characteristics and dynamic risk factors between persons receiving (+TLM, n = 38) versus not receiving (−TLM, n = 22) testosterone-lowering medications (TLMs). Individuals receiving TLM were more frequently diagnosed with paraphilic disorders. Neither the criminal history nor average risk scores differed between the two groups. In the +TLM, Stable-2007 scores showed a stronger decrease after TLM treatment was started. This accounted especially for the general and sexual self-regulation subscales. Individual variations in risk, however, were not predicted by TLM but were significantly related to treatment duration and Psychopathy Checklist–Revised (PCL-R) Factor I. Paraphilic patients with problems in self-regulatory abilities seem to profit most from pharmacological sex drive–reducing treatment. Furthermore, therapists seem to underestimate deviant sexual fantasies in medicated patients.