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Cost-effectiveness of Dolutegravir/Abacavir/Lamivudine in HIV-1 Treatment-Naïve (TN) Patients in France.

Cost-effectiveness of Dolutegravir/Abacavir/Lamivudine in HIV-1 Treatment-Naïve (TN) Patients in France.
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Pialoux G, Marcelin AG, Cawston H, Guilmet C, Finkielsztejn L, Laurisse A, Aubin C,


Pialoux G, Marcelin AG, Cawston H, Guilmet C, Finkielsztejn L, Laurisse A, Aubin C, (click to view)

Pialoux G, Marcelin AG, Cawston H, Guilmet C, Finkielsztejn L, Laurisse A, Aubin C,

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Expert review of pharmacoeconomics & outcomes research 2017 07 25() doi 10.1080/14737167.2017.1359542

Abstract
OBJECTIVES
To evaluate the cost-effectiveness of an integrase inhibitor (INI), dolutegravir (DTG), in combination with abacavir (ABC)/lamivudine (3TC) in France, in treatment-naïve (TN) HIV adult patients.

METHODS
The ARAMIS microsimulation Markov model, evaluates costs and effects of DTG vs. first-line ARVs options including INIs (raltegravir, elvitegravir/c), protease inhibitors (PIs) (darunavir/r, atazanavir/r, lopinavir/r), non-nucleoside reverse transcriptase inhibitors (efavirenz and rilpivirine). Efficacy and safety data were derived from phase III studies and network meta-analysis. Treatment algorithms were based on French guidelines and experts opinion. Costs included routine HIV and opportunistic infection care, and death.

RESULTS
The model showed the fixed-dose combination DTG/ABC/3TC was more effective than all other recommended regimens: patients stayed longer on first-line, and lived longer and healthier. With the exception of EFV, DTG/ABC/3TC was more efficacious and less costly compared to all strategies. The cost per QALY gained (ICER) for DTG compared to EFV was €6,939. DTG/ABC/3TC was more efficacious and less costly compared to INIs and PIs in all deterministic sensitivity analyses.

CONCLUSION
DTG/ABC/3TC was cost-effective in the management of HIV TN patients in France. These results are mainly explained by its lower price compared to other INIs and PIs, DTG’s superior efficacy and high barrier to resistance.

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