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Value Health. 2017 Jul - Aug;20(7):876-885. doi: 10.1016/j.jval.2017.03.010. Epub 2017 May 9.

Aripiprazole Lauroxil Compared with Paliperidone Palmitate in Patients with Schizophrenia: An Indirect Treatment Comparison.

Author information

Cornerstone Research Group, Inc., Burlington, Ontario, Canada. Electronic address:
Alkermes, Inc., Waltham, MA, USA.
Cornerstone Research Group, Inc., Burlington, Ontario, Canada.
Cornerstone Research Group, Inc., Burlington, Ontario, Canada; Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.
Royal College of Surgeons in Ireland, Dublin, Ireland.



Aripiprazole lauroxil (AL) is a long-acting injectable atypical antipsychotic recently approved for treatment of schizophrenia on the basis of a large-scale trial of two doses of AL versus placebo. There are no direct-comparison studies with paliperidone palmitate (PP; long-acting antipsychotic used most often in acute settings) for the acute psychotic episode.


To indirectly compare efficacy and safety of the pivotal AL study with all PP studies meeting indirect comparison criteria.


Systematic searches of MEDLINE, Embase, Cochrane CENTRAL, PsycINFO,, International Clinical Trials Registry Platform, and gray literature were performed to identify randomized controlled trials of PP with similar designs to the AL trial. Bayesian network meta-analysis compared treatments with respect to symptom response and tolerability issues including weight gain, akathisia, parkinsonism, and likelihood of treatment-emergent adverse events.


Three appropriate PP studies were identified for indirect comparison. Both doses of AL (441 mg and 882 mg monthly) were used and compared with two efficacious doses of PP (156 mg and 234 mg monthly). All four active-treatment conditions were associated with comparable reductions in acute symptoms (Positive and Negative Syndrome Scale) versus placebo and were of similar magnitude (range of mean difference -8.12 to -12.01, with overlapping 95% credible intervals). Between-group comparisons of active-treatment arms were associated with summary estimates of magnitude near 0. No clinically meaningful differences in selected safety or tolerability parameter incidence were found between active treatments.


These results suggest that both AL and PP are effective for treatment of adults experiencing acute exacerbation of schizophrenia.


aripiprazole lauroxil; indirect comparison; paliperidone palmitate; schizophrenia

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