Binge eating disorder (BED) is the most prevalent eating disorder in adults, affecting approximately 3.5% of women and 2.0% of men in the United States. This paper reviews randomized controlled trials examining psychological treatments for BED, including cognitive behavioral therapy (CBT), interpersonal psychotherapy (IPT), behavioral weight loss treatment (BWL), and dialectical behavior therapy (DBT), as well as pharmacological interventions. The review concludes that CBT, IPT, and combined approaches demonstrate the most robust short- and long-term effectiveness in achieving binge abstinence, while DBT shows promise as a specialized treatment requiring further research. Treatment intensity and early response patterns are identified as significant predictors of outcomes.
Binge eating disorder (BED) has been identified as the most prevalent eating disorder in adults. This disorder is characterized when an individual consumes an unusually large amount of food while experiencing a loss of self-control. Unlike some other eating disorders, BED does not involve compensatory behaviors such as self-induced vomiting or excessive exercise, though individuals with BED often gain significant amounts of excess weight. It has been estimated that the disorder affects approximately 3.5% of women and 2.0% of men in the United States and is equally present across different racial and ethnic groups (Iacovino, 2012).
Individuals who suffer from BED face a wide array of health consequences. The primary health impacts stem from obesity-related conditions such as type 2 diabetes and cardiovascular disease. Beyond physical health, people with BED also experience significant self-image and social problems that can impair their quality of life. Due to the serious impact BED has on individuals' lives, treatment of this condition has become a priority for many researchers. Research efforts have focused on reviewing randomized controlled trials (RCTs) of psychological treatments for BED to inform current clinical practice and provide a basis for future research (Iacovino, 2012).
The literature identifies several different treatment approaches that have been researched and studied. These include cognitive behavioral therapy (CBT), interpersonal psychotherapy (IPT), behavioral weight loss treatment (BWL), and dialectical behavior therapy (DBT). In addition to these psychological interventions, researchers have also examined pharmacological treatments and alternative approaches. The research systematically breaks down each of these treatments and considers what empirical evidence has been conducted to support their use (Iacovino, 2012).
Cognitive behavioral therapy (CBT) represents one of the most extensively researched treatments for BED. The goal of CBT is to disrupt the "diet-binge cycle" by promoting healthier, more structured eating patterns such as regular meals and snacks, improving shape and weight concerns, and encouraging the use of healthy weight-control behaviors through flexible dietary restraint (Iacovino, 2012). CBT has been shown to be effective across a number of studies and remains the widest researched treatment approach for BED.
Research has also examined the efficacy of CBT when combined with pharmacological treatments. Studies found that fluoxetine does not confer any additional benefit in terms of reducing binge eating episodes. However, topiramate may offer benefits, though future research should be conducted to confirm initial findings. These investigations help clinicians understand which combination therapies provide the most value for patients (Iacovino, 2012).
"Summary of most effective treatments and predictors of success"
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