Impact of initiating long-acting injectable antipsychotics on hospitalization in patients with bipolar I disorder

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Tingjian Yan¹, Mallik Greene², Eunice Chang¹

¹Health Services Research, Partnership for Health Analytic Research, LLC, Beverly Hills, CA, 90212 USA.

Journal of Comparative Effectiveness Research

|August 22, 2018

Aim:

To compare risk of hospitalization in patients with bipolar I disorder (BD-I) initiating long-acting injectable antipsychotics (LAIs).

Materials & Methods:

Using Truven Health Analytics MarketScan^® (Medicaid, Commercial and Medicare Supplemental) databases (2012-2016), patients (≥18 years) with BD-I with a LAI (aripiprazole once monthly [AOM 400], fluphenazine-LAI, haloperidol-LAI, risperidone-LAI and paliperidone-4-week-LAI) were identified.

Results:

The adjusted odds of having hospitalization were significantly higher in haloperidol-LAI (Odds ratio [95% CI]: 1.39 [1.03-1.87] all-cause; p = 0.029; 1.41 [1.03-1.93] psychiatric-specific; p = 0.032) and risperidone-LAI (1.54 [1.12-2.13]; p = 0.009; 1.68 [1.20-2.37]; p = 0.003) users versus AOM 400 users. Risks of hospitalization did not differ comparing fluphenazine-LAI and paliperidone-LAI users with AOM 400 users.

Conclusion:

AOM 400 may be more beneficial at reducing hospitalization rates in BD-I versus haloperidol-LAI and risperidone-LAI.

Keywords:

bipolar I disorder hospitalization long-acting injectable antipsychotic

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