RESUMO
BACKGROUND: Routine screening for problematic symptoms is emerging as a best practice in cancer systems globally. The objective of this observational study was to assess the feasibility and diagnostic accuracy of Patient-Reported Outcomes Measurement Information System (PROMIS) computerized adaptive testing (CAT) for fatigue and sleep-disturbance items compared with legacy measures in routine ambulatory cancer care. METHODS: Patients who attended outpatient clinics at the Princess Margaret Cancer Center completed PROMIS CAT item banks and legacy measures (the Functional Assessment of Chronic Illness Therapy [FACIT]-Fatigue scale and the Insomnia Severity Index [ISI]) using tablet computers during clinic visits. The completion rates, patient acceptability, and diagnostic accuracy of PROMIS CAT were evaluated against legacy measures using receiver operating characteristic (ROC) curve analysis. RESULTS: Participants consisted of 336 patients (mean age ± standard deviation, 57.4 ± 15.7 years; 55% females; 75% Caucasian). Over 98% of patients did not find symptom screening was burdensome, although only 65% were willing to complete the survey at every visit. PROMIS CAT scores were significantly correlated with both FACIT-Fatigue scores (r = -0.83) and ISI scores (r = -0.57; p < 0.0001 for all). Areas under the curve (AUC) by ROC analysis for fatigue were 0.946 using the FACIT-Fatigue cutoff ≤30, 0.910 for sleep disturbance, and 0.922 for sleep impairment using the ISI cutoff ≥15. The recommended T-score cut-off for PROMIS CAT Fatigue was 57, Sleep Disturbance was 57, and Sleep Impairment was 57. CONCLUSIONS: The current results support the feasibility and accuracy of PROMIS CAT and its potential for use in routine ambulatory cancer care. Future research will assess feedback of these data to clinicians and evaluate effects on earlier identification of and intervention for these problems. Cancer 2016. © 2016 American Cancer Society. Cancer 2016;122:2906-2917. © 2016 American Cancer Society.
Assuntos
Fadiga/diagnóstico , Neoplasias/fisiopatologia , Medidas de Resultados Relatados pelo Paciente , Transtornos do Sono-Vigília/diagnóstico , Diagnóstico por Computador/métodos , Estudos de Viabilidade , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Inquéritos e QuestionáriosRESUMO
BACKGROUND: In September 2003, the Canadian government committed to developing legislation that would facilitate greater access to affordable medicines for developing countries. Over the course of eight months, the legislation, now known as Canada's Access to Medicines Regime (CAMR), went through a controversial policy development process and the newspaper media was one of the major venues in which the policy debates took place. The purpose of this study was to examine how the media framed CAMR to determine how policy goals were conceptualized, which stakeholder interests controlled the public debate and how these variables related to the public policy process. METHODS: We conducted a qualitative content analysis of newspaper coverage of the CAMR policy and implementation process from 2003-2008. The primary theoretical framework for this study was framing theory. A total of 90 articles from 11 Canadian newspapers were selected for inclusion in our analysis. A team of four researchers coded the articles for themes relating to access to medicines and which stakeholders' voice figured more prominently on each issue. Stakeholders examined included: the research-based industry, the generic industry, civil society, the Canadian government, and developing country representatives. RESULTS: The most frequently mentioned themes across all documents were the issues of drug affordability, intellectual property, trade agreements and obligations, and development. Issues such as human rights, pharmaceutical innovation, and economic competitiveness got little media representation. Civil society dominated the media contents, followed far behind by the Canadian government, the research-based and generic pharmaceutical industries. Developing country representatives were hardly represented in the media. CONCLUSIONS: Media framing obscured the discussion of some of the underlying policy goals in this case and failed to highlight issues which are now significant barriers to the use of the legislation. Using the media to engage the public in more in-depth exploration of the policy issues at stake may contribute to a more informed policy development process. The media can be an effective channel for those stakeholders with a weaker voice in policy deliberations to raise public attention to particular issues; however, the political and institutional context must be taken into account as it may outweigh media framing effects.
RESUMO
INTRODUCTION: Economic analyses of upcoming treatments for lung cancer benefit from real-world health utility scores (HUSs) in an era of targeted therapy. METHODS: A longitudinal cohort study at Princess Margaret Cancer Centre evaluated 1571 EQ5D-3L-derived HUSs in 475 outpatients with metastatic lung cancer across various disease states. Patients with epidermal growth factor receptor (EGFR) (n = 183) and anaplastic lymphoma kinase (ALK) (n = 38) driver alterations were enriched through targeted enrolment; patients with wild-type non-small-cell lung cancer (WT NSCLC) (n = 224) and small-cell lung cancer (SCLC) (n = 30) were sampled randomly. RESULTS: For patients stable on most appropriate treatment, the mean HUSs were 0.81 and 0.82 in patients receiving EGFR and ALK tyrosine kinase inhibitors (TKIs) respectively (with similar HUSs across agents), which were higher than patients with WT NSCLC (0.78; P = .04) and SCLC receiving chemotherapy (0.72; P = .06). In mutation-specific comparisons, disease stability on appropriate therapy resulted in significantly higher mean HUSs (P < .002-.02) than when disease was progressing (mean HUS: EGFR, 0.70; ALK, 0.69; WT NSCLC, 0.66; SCLC, 0.52). When evaluating treatment-related toxicities, significant inverse relationships were observed between HUS and the severity of fatigue and decreased appetite in the EGFR group. There was also a significant inverse relationship between the total number of clinically significant symptoms and HUS, both in patients who were EGFR-mutated and patients with WT NSCLC. CONCLUSIONS: In a North American setting, HUSs generated from patients with metastatic lung cancer are higher in treated, stable patients carrying driver mutations. This is partially explainable by treatment toxicity and patient symptom differences. Such differences in scores should be considered in economic analyses.