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Cost-effectiveness of vortioxetine versus venlafaxine (extended release) in the treatment of major depressive disorder in South Korea.

Objective

To assess the cost-effectiveness of vortioxetine versus venlafaxine XR (extended-release) in major depressive disorder (MDD) patients in South Korea.

Methods

A 1-year cost-effectiveness analysis from a limited societal perspective was performed using a combined model consisting of a decision-tree and a Markov model. Patients entered the model when initiating or switching antidepressant treatment following inadequate response to previous treatment. Remission, relapse and recovery were the main health states.

Results

Vortioxetine dominated venlafaxine XR, with quality-adjusted life year (QALY) gains of 0.0131 and cost savings of KRW 623,229/year [US$530/year] from a limited societal perspective. Safety contributed more than efficacy to the incremental QALY gains. More patients were in recovery after initial treatment and after 1 year with vortioxetine (31%, 40%) compared to venlafaxine XR (23%, 36%). Vortioxetine remained dominant in 98% of probabilistic simulations.

Conclusion

Vortioxetine dominated venlafaxine XR in South Korea and is a relevant treatment option for MDD patients initiating or switching therapy.

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