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Published online by Cambridge University Press: 07 November 2014
Thomas was a 40-year-old, white male, with a 16-year history of schizoaffective disorder (Slide 1). He first became ill at 24 years of age and had an unstable course for ∼10 years, characterized by frequent hospitalizations and partial adherence. Unfortunately, during episodes of psychosis, he was also extremely violent. During his first hospitalization, risperidone was initiated, which he used intermittently for ∼10 years. There are no records documenting his weight and metabolic parameters at 24 years of age prior to receiving psychiatric medications. During his last psychiatric hospitalization at 34 years of age, olanzapine was prescribed and he stabilized. He entered a period of stable outpatient treatment and had not had a psychiatric hospitalization for 6 years.
When Thomas began taking olanzapine, his weight was 200 lbs, which, given his height, corresponds to a body mass index (BMI) of 28, putting him in the overweight category. However, he had no metabolic monitoring for 3 years. After 3 years of treatment with olanzapine, he had gained substantial weight, increasing to 258 lbs, which corresponds to a BMI of 36 and class 2 obesity.