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  • Title: Modeling the impact of bedaquiline treatment strategies on the multidrug-resistant tuberculosis burden in India.
    Author: Mehra M, Kambili C, Potluri R, Rhines A, Singh V, Thomas A.
    Journal: Int J Tuberc Lung Dis; 2017 Aug 01; 21(8):902-909. PubMed ID: 28786799.
    Abstract:
    SETTING: Bedaquiline (BDQ) has been approved in India for the treatment of multidrug-resistant tuberculosis (MDR-TB), but is currently recommended for MDR-TB patients who have failed initial treatment with standard regimens. While some have argued that such deferred BDQ use allows a second line of defense with a potent drug, this strategy may not be optimal. OBJECTIVE: To compare several distinct scenarios of BDQ access and use, and their potential impact on the MDR-TB disease burden and the associated net economic benefit in India. METHOD: We used a state-transition model to carry out this evaluation. The scenarios differed in the timing and breadth of BDQ access. RESULTS: The simulations showed that a strategy reliant on reserving the use of BDQ for those who have failed other MDR-TB regimens is likely to result in worse treatment outcomes for patients and in inferior public health outcomes for communities, leading to reduced net monetary benefit. CONCLUSION: Our study suggests that deferring patient access to new drugs such as BDQ until front-line regimens have failed, in order to 'save' these drugs for later use, could be detrimental to patients and to public health, and could reduce the economic benefit of treating MDR-TB.
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