Research on nonparaphilic hypersexual behavior has increased in recent years. In the present article, the authors conducted a methodological review of empirical studies that evaluated a treatment for nonparaphilic hypersexual behavior. The authors reviewed several characteristics of the extant studies, including the participants, research designs, treatments evaluated, assessment of nonparaphilic hypersexual behavior, and outcomes. Despite several attempts to explore treatments aimed at attenuating the symptoms of nonparaphilic hypersexual behavior, the findings from this review indicate that much of the outcome research in the field contains significant methodological limitations. The authors conclude by offering recommendations to enhance future outcome research among investigators working with hypersexual populations.