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To evaluate the cost-effectiveness of tapentadol immediate-release (IR) versus oxycodone IR for post-operative pain after a major hip surgery. This study has been conducted using an Australian societal perspective, focusing on adult patients after a major hip surgery. A cost-effectiveness analysis was conducted using a decision-analytic model. The model incorporated drug and other resource costs, the probability of opioid-related adverse events, and quality-adjusted life months (QALM) in each treatment arm. A willingness to pay (WTP) threshold of AU$2500 was used per QALM gained. A probabilistic sensitivity analysis was conducted to examine the uncertainty of the assumptions. The primary outcome was the incremental cost-effectiveness ratio (ICER) of tapentadol IR versus oxycodone IR, expressed as Australian dollars (AU$) per QALM gained. Tapentadol IR dominated oxycodone IR, with a cost savings of AU$201 and an increase in QALM by 0.014. The ICER was -13,946‚ÄČAU$/QALM (negative value attributed to numerator). In the probabilistic sensitivity analysis, 84.2% of the simulations were in favour of tapentadol IR at the WTP threshold. Tapentadol IR may be more cost-effective than oxycodone IR for the treatment of acute postoperative pain after major hip surgeries.


Xinyi Wang, Jonathan Penm, Asad E Patanwala. Cost-effectiveness of tapentadol immediate release versus oxycodone immediate release for acute post-operative pain after major hip surgeries. Current medical research and opinion. 2022 Jan;38(1):115-121

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PMID: 34641744

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