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Objective:

In 2004, the American Diabetes Association (ADA) released treatment guidelines recommending metabolic screening for children and adolescents before and after initiation of second-generation antipsychotics. Prior studies showed that the guidelines coincided with a small increase in glucose testing of children and adults but had limited follow-up. This study sought to evaluate changes in metabolic screening of children initiating second-generation antipsychotics around the time of the 2004 guidelines and in the following eight years.

Methods:

Study patients (N=52,407) were identified in a large nationwide commercial insurance claims database for the period January 1, 2003, through December 31, 2011. The study population was a cohort of nondiabetic new users of second-generation antipsychotics who were ages 5–18. Glucose and HbA1c tests completed before and after second-generation antipsychotic initiation were identified with Current Procedural Terminology–4 codes. Metabolic screening was also examined by second-generation antipsychotic agent prescribed and psychiatric diagnosis.

Results:

The proportion of patients receiving a glucose test preinitiation increased from 17.9% in 2003 to 18.9% in 2004, and testing postinitiation increased from 14.7% to 16.6% in the same period. The slight increase in glucose testing was not sustained; the proportion tested dropped in the following years before rising again in 2008. Glucose screening was most common for patients taking aripiprazole. Patients with a diagnosis of hyperkinetic disorder were less likely to be tested. HbA1c testing was less frequent but had a similar usage pattern.

Conclusions:

The small improvement in metabolic screening immediately after the 2004 ADA guidelines were issued was not sustained. Overall, metabolic screening rates remained suboptimal throughout the study period.