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OtherREGULAR ARTICLE

Double-blind, Placebo-controlled Trial of Sildenafil in Phallometric Testing

Nathan J. Kolla, Philip E. Klassen, Michael E. Kuban, Thomas Blak and Ray Blanchard
Journal of the American Academy of Psychiatry and the Law Online December 2010, 38 (4) 502-511;
Nathan J. Kolla
MD, MA, MSc
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Philip E. Klassen
MD
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Michael E. Kuban
MSc
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Thomas Blak
BA
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Ray Blanchard
PhD
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  • Figure 1.
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    Figure 1.

    Mean output indices to human stimulus categories under placebo and sildenafil conditions; Adult PS, adult of preferred sex; Pubes PS, pubescent of preferred sex; Prepub PS, prepubescent of preferred sex; Prepub NS, prepubescent of nonpreferred sex; Pubes NS, pubescent of non-preferred sex; Adult NS, adult of nonpreferred sex.

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    Figure 2.

    Mean percentage increase in peak responses for consistent and inconsistent test responders during sildenafil treatment.

Tables

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    Table 1

    Demographic and Sexual History Characteristics of Self-Reported Heterosexual and Homosexual Participants

    Heterosexual (n = 18)Homosexual (n = 4)
    Age in years, mean (SD)49.7 (6.9)45.3 (5.9)
    Median lifetime female partners, n (range)30 (5–200)15 (1–50)
    Median lifetime male partners, n (range)0 (0–1)260 (15–500)
    Currently or previously married or in common-law relationship, %77.8100
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    Table 2

    Correlations (Pearson's r) Between Penile Responses to Stimulus Categories With Sildenafil and Placebo

    Adult FemalePubescent FemalePrepubescent FemaleNeutral StimuliPrepubescent MalePubescent MaleAdult Male
    Adult female.81*
    Pubescent female.77*
    Prepubescent female.79*
    Neutral stimuli.34
    Prepubescent male.79*
    Pubescent male.82*
    Adult male.89*
    • * p < .001.

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Journal of the American Academy of Psychiatry and the Law Online: 38 (4)
Journal of the American Academy of Psychiatry and the Law Online
Vol. 38, Issue 4
December 2010
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Double-blind, Placebo-controlled Trial of Sildenafil in Phallometric Testing
Nathan J. Kolla, Philip E. Klassen, Michael E. Kuban, Thomas Blak, Ray Blanchard
Journal of the American Academy of Psychiatry and the Law Online Dec 2010, 38 (4) 502-511;

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Double-blind, Placebo-controlled Trial of Sildenafil in Phallometric Testing
Nathan J. Kolla, Philip E. Klassen, Michael E. Kuban, Thomas Blak, Ray Blanchard
Journal of the American Academy of Psychiatry and the Law Online Dec 2010, 38 (4) 502-511;
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