Objective-To provide a comprehensive review of pharmacotherapy and other biological treatments for eating disorders.
Method-Literature on this topic was systematically reviewed.Results-The bulimia nervosa literature underscores the utility of antidepressants, particularly SSRIs, in improving the symptoms of the disorder. The literature on binge eating disorder supports efficacy on reduction in binge eating frequency for a variety of compounds. However, such compounds have only modest effects on weight. Certain antiepileptic agents such as topiramate, if tolerated, are probably more useful in terms of weight loss. The number of controlled trials in patients with anorexia nervosa in particular has been quite small, and recent meta-analyses show disappointing results using atypical antipsychotics in anorexia nervosa.Discussion-The pharmacological treatment of eating disorders remains an underdeveloped field although drug therapy clearly plays a role in the treatment of those with bulimia nervosa and binge eating disorder. Other biological therapies have not been adequately studied.Keywords anorexia nervosa; bulimia nervosa; binge eating disorder; pharmacotherapy; drug treatmentThe purpose of this review is to briefly summarize the extant literature on the biological therapies for bulimia nervosa, binge eating disorder and anorexia nervosa. Several other recent reviews have also summarized the literature in this area and may be of interest to readers 1,2 .
Pharmacotherapy of Bulimia NervosaSeveral important issues are involved in considering pharmacotherapy for bulimia nervosa (BN). First, as will be seen, the evidence in this area is limited. Many of the reports in the The most frequently studied group of agents are the SSRI antidepressants (fluoxetine -twelve trials, fluvoxamine -three trials, sertraline -one trial and citalopram -one trial) followed by the tricyclic antidepressants (TCAs: desipramine -four trials, imipramine -one trial, and amitriptyline -one trial). Two trials of reversible monoamine oxidase-A inhibitors (MAOI-A) have been reported (brofaromine and moclobemide). Lastly, the serotonin-2 receptor antagonist trazodone (in two trials) has been investigated, as has the serotonin and dopamine reuptake inhibitor bupropion (in one trial). It is important to note that bupropion is contraindicated for the treatment of BN and AN due to its seizure risk. Non-antidepressants have included the serotonin-3 receptor antagonist, ondansetron (one trial), the anticonvulsant topiramate (two trials), the serotonin augmenting agent fenfluramine, which is no longer on the market (one trial), and the androgen antagonist flutamide which was studied in combination with citalopram (see Table 1). Unfortunately, rates of achieving complete remission (abstinence from binge eating and purging) are often not reported.
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Controlled TrialsTwenty nine double-blind, placebo controlled trials were reviewed and the type of drug, level of response and abstinence rates are summarized in Table 1. Twelve of the ...