Seven of ten pedophiles in hospital completed a double-blind, placebo-controlled two-dose comparison of medroxyprogesterone acetate and cyproterone acetate. Sequential measures during the 28 week study were: patient self-reports, nurses' observations, phallometry, hormone levels and side-effects. The drugs, which performed equivalently, reduced sexual thoughts and fantasies, the frequency of early morning erections on awakening, the frequency and pleasure of masturbation, and level of sexual frustration. Penile responses were also reduced but to a lesser degree and were more variable. Serum testosterone FSH and LH all declined during drug administration, but by the end of the final placebo phase had essentially returned to (or exceeded) pre-drug values. Our experience suggests that only a minority of pedophiles are likely to accept libido-reducing drugs.
Fifteen patients with DSM-III diagnoses of borderline personality disorder and 14 schizophrenics were administered two questionnaires by an interviewer blind to the diagnoses. The questionnaires were the Childhood Life Events and Family Characteristics Questionnaire and the Parental Bonding Instrument. A scale to monitor denial was also included. Borderlines, when compared with schizophrenics, reported having significantly more childhood sexual and physical abuse, more early separation from their mothers, more paternal criminality, and also more paternal overprotection and less maternal care. When compared with normal population data, they received significantly less care and were significantly more overprotected by both parents.
This study reports the effects of the antilibidinal drug, medroxyprogesterone acetate (MPA) on nocturnal penile tumescence (NPT) during sleep, tumescence responses to provocative audiotapes during wakefulness in the laboratory, and sexual behaviors in the hospital environment, in a conduct-disordered sexually aggressive male, who had not responded to previous treatment. NPT, laboratory tumescence, and sexual behaviors in the hospital environment were all decreased. Testosterone levels declined by 73% within 2 weeks of starting the drug and prolactin levels increased by 300% across the treatment period. The effects on NPT and laboratory arousal were still partially in evidence 2 months after the drug had been stopped, although testosterone levels had returned to predrug levels. Some differences between the NPT and daytime test data are discussed in terms of the probable importance of testosterone to erotic fantasy. NPT may be a useful addition to present methods for examining the effects of drugs used to suppress socially unacceptable sexual behaviors.
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