The journal of sexual medicine · 2014
Effects of chemical castration on sex offenders in relation to the kinetics of serum testosterone recovery: implications for dosing schedule.
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Koo Kyo Chul, Ahn Jin Hyoung, Hong Sung Joon, Lee Jae Woo, Chung Byung Ha
Аннотация
INTRODUCTION: A growing number of countries are adopting chemical castration as treatment and penalty for sex offenders.
AIM: The aim of this study is to evaluate the outcome of chemical castration of sexual offenders with a focus on the kinetics of serum testosterone (T) recovery.
METHODS: This prospective analysis included 56 sex offenders imprisoned for sexual offenses at the National Forensic Hospital. Thirty-eight and 18 patients who received 3 and 6 months of leuprolide acetate injections were assigned to group A and group B, respectively.
MAIN OUTCOME MEASURES: To evaluate treatment efficacy according treatment duration, psychobehavioral assessments and serum T levels were serially measured during the on-cycle and the following observational 12-month off-cycle.
RESULTS: Chemical castration and the associated decrease in serum T levels reduced the frequency and intensity of sexual thoughts in 76% and 71% of group A patients and in 78% and 72% of group B patients, respectively. Reductions in masturbation frequency were observed in 74% of group A and 83% of group B patients. The median Wilson's Sex Fantasy Questionnaire (SFQ) scores were also significantly reduced in both groups. In group A, an upsurge of serum T to the flare level was observed during the first 2 months of the off-cycle, accompanied by an intense sexual drive and fantasy. In group B, serum T gradually recovered to the baseline level and continued to upsurge beyond baseline levels during the observational period. SFQ scores of group A returned to pretreatment levels following the observational period; however, SFQ scores of group B remained suppressed. Lack of objective assessments for psychobehavioral outcomes was a limitation.
CONCLUSIONS: The efficacy of chemical castration varied according to the treatment duration. Regarding the kinetics of serum T recovery, maintaining at least 6 months of treatment warranted stable control of an excessive sexual drive following treatment cessation.
AIM: The aim of this study is to evaluate the outcome of chemical castration of sexual offenders with a focus on the kinetics of serum testosterone (T) recovery.
METHODS: This prospective analysis included 56 sex offenders imprisoned for sexual offenses at the National Forensic Hospital. Thirty-eight and 18 patients who received 3 and 6 months of leuprolide acetate injections were assigned to group A and group B, respectively.
MAIN OUTCOME MEASURES: To evaluate treatment efficacy according treatment duration, psychobehavioral assessments and serum T levels were serially measured during the on-cycle and the following observational 12-month off-cycle.
RESULTS: Chemical castration and the associated decrease in serum T levels reduced the frequency and intensity of sexual thoughts in 76% and 71% of group A patients and in 78% and 72% of group B patients, respectively. Reductions in masturbation frequency were observed in 74% of group A and 83% of group B patients. The median Wilson's Sex Fantasy Questionnaire (SFQ) scores were also significantly reduced in both groups. In group A, an upsurge of serum T to the flare level was observed during the first 2 months of the off-cycle, accompanied by an intense sexual drive and fantasy. In group B, serum T gradually recovered to the baseline level and continued to upsurge beyond baseline levels during the observational period. SFQ scores of group A returned to pretreatment levels following the observational period; however, SFQ scores of group B remained suppressed. Lack of objective assessments for psychobehavioral outcomes was a limitation.
CONCLUSIONS: The efficacy of chemical castration varied according to the treatment duration. Regarding the kinetics of serum T recovery, maintaining at least 6 months of treatment warranted stable control of an excessive sexual drive following treatment cessation.