Modeling Female Sexual Desire: An Overview and Commentary

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Abstract
Hypoactive sexual desire disorder (HSDD) in women is a condition of low sexual desire that develops over time. Sexual desire normally diminishes over long-term relationships, but is also negatively affected by a demanding lifestyle, poor self-esteem and body image, and loss of intimacy in a relationship. HSDD elevates to a disorder when it is a concern for the woman, arising from conflict with a partner who is interested in a greater frequency of sexual interaction. Two drugs have been marketed (Addyi and Vyleesi) to treat HSDD. Neither drug was originally developed for this purpose, nor is either drug particularly effective. The lack of rational development of drugs to treat sexual disorders in women is due to the mistaken belief that components of female sexuality, such as sexual desire, cannot be effectively modeled in animals. To the contrary, sexual interest, desire, arousal, and reward are measurable aspects of sexual behavior in female rodents. Going forward, basic research using these pre-clinical models should be the starting point for drug development. At the same time, it is not clear that drug development represents the primary therapeutic approach to the problem, with behavioral therapies providing good options for first line of treatments for HSDD.

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