Cost-effectiveness of insulin pumps compared with multiple daily injections both provided with structured education for adults with type 1 diabetes: a health economic analysis of the Relative Effectiveness of Pumps over Structured Education (REPOSE) randomised controlled trial.
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ABSTRACT: OBJECTIVES:To assess the long-term cost-effectiveness of insulin pumps and Dose Adjustment for Normal Eating (pumps+DAFNE) compared with multiple daily insulin injections and DAFNE (MDI+DAFNE) for adults with type 1 diabetes mellitus (T1DM) in the UK. METHODS:We undertook a cost-utility analysis using the Sheffield Type 1 Diabetes Policy Model and data from the Relative Effectiveness of Pumps over Structured Education (REPOSE) trial to estimate the lifetime incidence of diabetic complications, intervention-based resource use and associated effects on costs and quality-adjusted life years (QALYs). All economic analyses took a National Health Service and personal social services perspective and discounted costs and QALYs at 3.5% per annum. A probabilistic sensitivity analysis was performed on the base case. Further uncertainties in the cost of pumps and the evidence used to inform the model were explored using scenario analyses. SETTING:Eight diabetes centres in England and Scotland. PARTICIPANTS:Adults with T1DM who were eligible to receive a structured education course and did not have a strong clinical indication or a preference for a pump. INTERVENTION:Pumps+DAFNE. COMPARATOR:MDI+DAFNE. MAIN OUTCOME MEASURES:Incremental costs, incremental QALYs gained and incremental cost-effectiveness ratios (ICERs). RESULTS:Compared with MDI+DAFNE, pumps+DAFNE was associated with an incremental discounted lifetime cost of +£18?853 (95% CI £6175 to £31 645) and a gain in discounted lifetime QALYs of +0.13 (95% CI -0.70 to +0.96). The base case mean ICER was £142?195 per QALY gained. The probability of pump+DAFNE being cost-effective using a cost-effectiveness threshold of £20?000 per QALY gained was 14.0%. All scenario and subgroup analyses examined indicated that the ICER was unlikely to fall below £30?000 per QALY gained. CONCLUSIONS:Our analysis of the REPOSE data suggests that routine use of pumps in adults without an immediate clinical need for a pump, as identified by National Institute for Health and Care Excellence, would not be cost-effective. TRIAL REGISTRATION NUMBER:ISRCTN61215213.
SUBMITTER: Pollard DJ
PROVIDER: S-EPMC5893943 | biostudies-literature | 2018 Apr
REPOSITORIES: biostudies-literature
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