Background Past research suggests that patients with early- and late-stage melanoma will endure adverse events and inconvenient treatment regimens for improved survival. Evidence about the preferences of Canadian patients and physicians for novel adjuvant treatments for melanoma is unavailable.Methods Patient and physician preferences for adjuvant treatments for melanoma were assessed in an online discrete choice experiment (dce). Treatment alternatives were characterized by 8 attributes with respect to dosing regimen, efficacy, and toxicities, with levels corresponding to those for dabrafenib–trametinib, nivolumab, pembrolizumab, and interferon. For patients, the effects of melanoma on quality of life and ability to work and perform activities of daily living were also assessed. Patients were recruited by Canadian melanoma patient advocacy groups through e-mail and social media. Physicians were recruited by e-mail.Results Of 94 patients who started the survey, 51 completed 1 or more dce questions. Of 166 physicians sent the e-mail invitation, 18 completed 1 or more dce questions. For patients, an increased probability of remaining cancer-free over 21 months was the most important attribute. For physicians, an increased chance of the patient’s remaining alive over 36 months was the most important attribute. Patients and physicians chose active treatment over no treatment 85% and 86% of the time respectively and a treatment with attributes consistent with dabrafenib–trametinib 71% and 67% of the time respectively. A substantial proportion of patients reported worrying about future diagnostic tests and their cancer coming back.Conclusions Canadian patients and physicians are generally concordant in their preferences for adjuvant melanoma treatments, preferring active treatment to no treatment and dabrafenib–trametinib to other options.
Objective: The ECHELON-1 trial demonstrated efficacy and safety of brentuximab vedotin plus doxorubicin, vinblastine, and dacarbazine (A þ AVD) vs doxorubicin, bleomycin, vinblastine, and dacarbazine (ABVD) as frontline therapy for stage III/IV classical Hodgkin lymphoma. This analysis evaluated the cost-effectiveness of A þ AVD from a US healthcare payer perspective. Methods: The incremental cost-effectiveness ratio (ICER), defined as the incremental costs per qualityadjusted life year (QALY) gained, was estimated using a non-homogenous semi-Markov cohort model with health states defined on progression following frontline treatment, and for those with progression, receipt of autologous stem-cell transplant (ASCT), and progression after ASCT. Patients undergoing ASCT were classified as refractory or relapsed based on timing of progression. Probabilities of progression/death with frontline therapy were based on parametric survival distributions fit to data on modified progression-free survival (mPFS) from ECHELON-1. Duration of frontline treatment and incidence of adverse events were from ECHELON-1. Utility values for patients in the frontline mPFS state were based on EQ-5D data from ECHELON-1. Other inputs were from published sources. A lifetime time horizon was used. Costs and QALYs were discounted at 3%. Analyses were conducted alternately using data on mPFS for the overall and North American populations of ECHELON-1. Results: The ICER for A þ AVD vs ABVD was $172,074/QALY gained in the analysis using data on mPFS for the overall population and $69,442/QALY gained in the analysis using data on mPFS for the North American population of ECHELON-1. The ICER is sensitive to estimated costs of ASCT and frontline failure.
Conclusion:The ICER for A þ AVD vs ABVD based on ECHELON-1 is within the range of threshold values for cost-effectiveness in the US. A þ AVD is, therefore, likely to be a cost-effective frontline therapy for patients with stage III/IV classical Hodgkin lymphoma from a US healthcare payer perspective.
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