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Background: Gemtuzumab ozogamicin (GO) was approved in 2017 in the US for the treatment of adults with newly diagnosed CD33-positive (CD33+) acute myeloid leukemia (AML), and adults and pediatric patients with CD33+ relapsed/refractory (R/R) AML.Objective: The aim of this study was to estimate the budgetary impact of introducing GO to a 1-million-member US health plan over a 5-year period.Methods: We developed models to estimate the impact of introducing GO in combination with conventional induction chemotherapy or as monotherapy for newly diagnosed AML, and as monotherapy for R/R AML. Models were built using data on drug costs and treatment-related outcomes obtained from published clinical trials and other publicly available sources. Results were reported on a per member/per year and per member/per month (PMPM) basis.Results: Base-case results of the newly diagnosed model indicated that the addition of GO in the combination setting reduced the overall budget of a 1-million-member health plan. The estimated net cost (US$) savings ranged from $72,969 ($0.006 PMPM) in year 1 to $745,426 ($0.062 PMPM) in year 5. In the monotherapy setting, GO was associated with increased net costs ranging from $4118 (0.0003 PMPM) in year 1 to $31,885 ($0.003 PMPM) in year 5. Base-case results of the R/R AML model demonstrated increased net costs that ranged from $17,326 ($0.001 PMPM) in year 1 to $46,163 ($0.004 PMPM) in year 5. Scenario analyses in all settings indicated the budget impact was not overly sensitive to the selected input assumptions, with the exception of the scenario considering only the pharmacy budget impact in the combination setting.Conclusions: The introduction of GO for newly diagnosed and R/R AML would have a minimal impact on the budget of a US health plan and could result in cost savings in the combination therapy setting for newly diagnosed AML. [ABSTRACT FROM AUTHOR]

Patients with newly diagnosed chronic phase chronic myeloid leukemia (CP CML) can be effectively treated with tyrosine kinase inhibitors (TKIs) and achieve a lifespan similar to the general population. The success of TKIs, however, requires long-term and sometimes lifelong treatment; thus, patient-assessed health-related quality of life (HRQoL) has become an increasingly important parameter for treatment selection. Bosutinib is a TKI approved for CP CML in newly diagnosed adults and in those resistant or intolerant to prior therapy. In the Bosutinib Trial in First-Line Chronic Myelogenous Leukemia Treatment (BFORE), bosutinib demonstrated a significantly higher major molecular response rate compared with imatinib, with maintenance of HRQoL (measured by the Functional Assessment of Cancer Therapy-Leukemia (FACT-Leu) questionnaire), after 12 months of first-line treatment. We examined relationships between molecular response (MR) and HRQoL. MR values were represented by a log-reduction scale (MRLR; a continuous variable). A repeated-measures longitudinal model was used to estimate the relationships between MRLR as a predictor and each FACT-Leu domain as an outcome. Effect sizes were calculated to determine strength of effects and allow comparisons across domains. The majority of FACT-Leu domains (with the exception of social well-being and physical well-being) demonstrated a significant relationship with MRLR (p < 0.05). Our results showed variable impact of clinical improvement on different dimensions of HRQoL. For patients who achieved MR5, emotional well-being and leukemia-specific domains showed the greatest improvement, with medium differences in effect sizes, whereas social well-being and physical well-being had the weakest relationship with MR. [ABSTRACT FROM AUTHOR]

Background: In the phase 3 BFORE trial (NCT02130557), treatment with bosutinib resulted in a significantly higher major molecular response rate at 12 months versus imatinib in the modified intent-to-treat (mITT) population of patients with newly diagnosed chronic phase chronic myeloid leukemia (CP CML). Assessment of patient-reported outcomes (PROs) was an exploratory objective. Methods: Patients with newly diagnosed CP CML were randomized 1:1 to receive once-daily bosutinib 400 mg or imatinib 400 mg as first-line therapy. Patients completed the Functional Assessment of Cancer Therapy-Leukemia (FACT-Leu) and EuroQoL-5 Dimensions (EQ-5D) questionnaires at baseline, every 3 months for the first 24 months of treatment, every 6 months thereafter, and at treatment completion. We report PRO results at month 12 in the mITT population (bosutinib: n = 246; imatinib: n = 241). Results: Mean FACT-Leu combined and subscale scores were similar at baseline in the bosutinib and imatinib arms; at month 12, all scores demonstrated improvement or maintenance of health-related quality of life (HRQoL) in both treatment arms. Repeated-measures mixed-effects models showed no significant difference between bosutinib and imatinib for any FACT-Leu score. Functional health status, as measured by EQ-5D, also demonstrated improvement or maintenance with bosutinib and imatinib at month 12. Conclusions: Similar improvements in PROs compared with baseline were seen after 12 months of treatment with first-line bosutinib or imatinib in the BFORE trial. Newly diagnosed patients with CP CML receiving bosutinib or imatinib can preserve or improve HRQoL during treatment, although clinical efficacy was superior with bosutinib. [ABSTRACT FROM AUTHOR]

Background: Psoriasis patients frequently switch among multiple therapies while managing their psoriasis. Determining treatment transitions is fundamental to understanding how patients access and use treatments. Objective: We aimed to identify patterns of treatment transitions of US patients with moderate to severe psoriasis over 5 years. Methods: This was a retrospective, longitudinal cohort study in which US patients aged ≥18 years who had at least one psoriasis claim (International Classification of Diseases, Ninth Revision [ICD-9] diagnosis) were continuously enrolled in a health plan between October 2007 and September 2012. Data from eligible patients were projected to reflect the total US insured population with moderate to severe psoriasis, and the proportions of patients who started, stopped, switched, and restarted treatment at any time between September 2011 and September 2012 were analyzed. Treatment categories were biologics, traditional oral systemics, topicals, phototherapy, lapsed from treatment, and treatment-naive. Results: There were 8.9 million patients in the claims database, of whom 0.9 million (10.4%) had a psoriasis diagnosis and 46,369 (0.5%) met the inclusion criteria. When projected, 1.7 million insured patients had moderate to severe psoriasis. Of these, an estimated 807,000 patients had lapsed treatment, an additional 346,000 were receiving treatment, and 547,000 were defined as being treatment-naive. A total of 81,000 of 346,000 patients had switched treatment in the preceding year. In addition, many patients stopped (438,000) and restarted (384,000) treatment in the 12-month period. Conclusion: Based on health claims data, undertreatment of moderate to severe psoriasis appeared to be common. [ABSTRACT FROM AUTHOR]

Background and Objective: The phase III ALFA-0701 study demonstrated the efficacy and safety of gemtuzumab ozogamicin (GO) versus standard of care (SOC) chemotherapy (daunorubicin and cytarabine) for the treatment of adult patients with de novo CD33+ acute myeloid leukaemia (AML). This study analysed the cost-effectiveness of GO from the perspective of the UK health care payer.A cohort state-transition model was developed to estimate direct health care costs and quality-adjusted life-years (QALYs) over a lifetime time horizon from AML diagnosis to death using monthly cycles. Data on complete remission, overall survival, relapse-free survival (RFS), haematopoietic stem-cell transplantation, and adverse events for GO plus SOC versus SOC were obtained from the ALFA-0701 study. Overall survival and RFS were extrapolated beyond the trial horizon using mixture cure models. Unit costs were obtained from standard national sources. Utilities were identified in a systematic literature review. Costs and outcomes were discounted at 3.5%. Analyses were performed for the base-case population, excluding patients with an unfavourable cytogenetic profile, and the overall population.For the base-case and overall populations respectively, incremental per-patient costs (£13,456 and £14,773) and QALYs (0.99 and 0.68) for GO plus SOC versus SOC resulted in incremental cost-effectiveness ratios (ICERs) of £13,561 and £21,819 per QALY gained. The mean probabilistic ICERs were £14,217 and £23,245, respectively. Univariate sensitivity analyses supported the robustness of the results.The ICERs for both populations met NICE’s £20,000–£30,000 willingness-to-pay threshold for medicines and supported the current approval for GO.Methods: The phase III ALFA-0701 study demonstrated the efficacy and safety of gemtuzumab ozogamicin (GO) versus standard of care (SOC) chemotherapy (daunorubicin and cytarabine) for the treatment of adult patients with de novo CD33+ acute myeloid leukaemia (AML). This study analysed the cost-effectiveness of GO from the perspective of the UK health care payer.A cohort state-transition model was developed to estimate direct health care costs and quality-adjusted life-years (QALYs) over a lifetime time horizon from AML diagnosis to death using monthly cycles. Data on complete remission, overall survival, relapse-free survival (RFS), haematopoietic stem-cell transplantation, and adverse events for GO plus SOC versus SOC were obtained from the ALFA-0701 study. Overall survival and RFS were extrapolated beyond the trial horizon using mixture cure models. Unit costs were obtained from standard national sources. Utilities were identified in a systematic literature review. Costs and outcomes were discounted at 3.5%. Analyses were performed for the base-case population, excluding patients with an unfavourable cytogenetic profile, and the overall population.For the base-case and overall populations respectively, incremental per-patient costs (£13,456 and £14,773) and QALYs (0.99 and 0.68) for GO plus SOC versus SOC resulted in incremental cost-effectiveness ratios (ICERs) of £13,561 and £21,819 per QALY gained. The mean probabilistic ICERs were £14,217 and £23,245, respectively. Univariate sensitivity analyses supported the robustness of the results.The ICERs for both populations met NICE’s £20,000–£30,000 willingness-to-pay threshold for medicines and supported the current approval for GO.Results: The phase III ALFA-0701 study demonstrated the efficacy and safety of gemtuzumab ozogamicin (GO) versus standard of care (SOC) chemotherapy (daunorubicin and cytarabine) for the treatment of adult patients with de novo CD33+ acute myeloid leukaemia (AML). This study analysed the cost-effectiveness of GO from the perspective of the UK health care payer.A cohort state-transition model was developed to estimate direct health care costs and quality-adjusted life-years (QALYs) over a lifetime time horizon from AML diagnosis to death using monthly cycles. Data on complete remission, overall survival, relapse-free survival (RFS), haematopoietic stem-cell transplantation, and adverse events for GO plus SOC versus SOC were obtained from the ALFA-0701 study. Overall survival and RFS were extrapolated beyond the trial horizon using mixture cure models. Unit costs were obtained from standard national sources. Utilities were identified in a systematic literature review. Costs and outcomes were discounted at 3.5%. Analyses were performed for the base-case population, excluding patients with an unfavourable cytogenetic profile, and the overall population.For the base-case and overall populations respectively, incremental per-patient costs (£13,456 and £14,773) and QALYs (0.99 and 0.68) for GO plus SOC versus SOC resulted in incremental cost-effectiveness ratios (ICERs) of £13,561 and £21,819 per QALY gained. The mean probabilistic ICERs were £14,217 and £23,245, respectively. Univariate sensitivity analyses supported the robustness of the results.The ICERs for both populations met NICE’s £20,000–£30,000 willingness-to-pay threshold for medicines and supported the current approval for GO.Conclusions: The phase III ALFA-0701 study demonstrated the efficacy and safety of gemtuzumab ozogamicin (GO) versus standard of care (SOC) chemotherapy (daunorubicin and cytarabine) for the treatment of adult patients with de novo CD33+ acute myeloid leukaemia (AML). This study analysed the cost-effectiveness of GO from the perspective of the UK health care payer.A cohort state-transition model was developed to estimate direct health care costs and quality-adjusted life-years (QALYs) over a lifetime time horizon from AML diagnosis to death using monthly cycles. Data on complete remission, overall survival, relapse-free survival (RFS), haematopoietic stem-cell transplantation, and adverse events for GO plus SOC versus SOC were obtained from the ALFA-0701 study. Overall survival and RFS were extrapolated beyond the trial horizon using mixture cure models. Unit costs were obtained from standard national sources. Utilities were identified in a systematic literature review. Costs and outcomes were discounted at 3.5%. Analyses were performed for the base-case population, excluding patients with an unfavourable cytogenetic profile, and the overall population.For the base-case and overall populations respectively, incremental per-patient costs (£13,456 and £14,773) and QALYs (0.99 and 0.68) for GO plus SOC versus SOC resulted in incremental cost-effectiveness ratios (ICERs) of £13,561 and £21,819 per QALY gained. The mean probabilistic ICERs were £14,217 and £23,245, respectively. Univariate sensitivity analyses supported the robustness of the results.The ICERs for both populations met NICE’s £20,000–£30,000 willingness-to-pay threshold for medicines and supported the current approval for GO. [ABSTRACT FROM AUTHOR]