RESUMEN
INTRODUCTION: There is subgroup analysis suggesting a lack of benefit of daratumumab use in multiple myeloma (MM) and hepatic disease (HD). The objectives of this study were to conduct a systematic review and interpretation of daratumumab-based regimen efficacy in transplant-ineligible patients with untreated MM and HD. METHODS: A systematic search in Pubmed® database about randomized clinical trials (RCTs) with subgroup analysis regarding hepatic function for overall survival (OS) or progression-free survival (PFS) were developed. Two methodologies were applied. One of them considered statistical interaction, prespecification, biological support and consistency of subgroup results. Second methodology was two-part validated tool: preliminary questions to reject subset analysis without minimal relevance, and a checklist relating a recommendation for applicability in clinical practice. RESULTS: It was included three records. About first methodology, statistical interaction among subgroups was found for PFS in one RCT. Subsets were prespecified in all RCTs. Biological support of efficacy differences could be reasonable. Inconsistent results were found. Second methology directly rejected applicability of subset analysis in two records. Checklist recommended "null" application of results in the remaining RCT. CONCLUSIONS: No consistent heterogeneity for daratumumab-based regimen efficacy was observed among subgroups regarding hepatic function in transplant-ineligible patients with untreated MM. Patients with normal hepatic function and HD could benefit from these treatments.
Asunto(s)
Mieloma Múltiple , Humanos , Mieloma Múltiple/tratamiento farmacológico , Protocolos de Quimioterapia Combinada Antineoplásica/efectos adversos , Supervivencia sin ProgresiónRESUMEN
Subgroup analysis evaluates a health intervention in subpopulations according to a characteristic or factor. It can be useful for generating new hypotheses or conducting new studies. However, subgroup analysis presents several limitations and it should be considered cautiously. The development of new onco-hematological drugs is accelerating in recent years and the impact of subgroup analysis on clinical decision-making is increasing. The interpretation of subgroup analyses can be controversial in some cases, negatively affecting patients and healthcare systems. This work is a review of the clinical and pharmacoeconomic impact of subgroup analysis in onco-hematological patients. The study describes some illustrative examples of inadequate interpretations about subset analysis: combination of pembrolizumab plus chemotherapy in lung cancer, inhibitors of cyclin-dependent kinases in breast cancer, daratumumab-based regimens in newly diagnosed multiple myeloma, combination of nivolumab with ipilimumab in melanoma and docetaxel in prostate cancer. Subgroup analysis can have a significant impact on the data selection for the development of studies; efficacy, safety, and convenience of treatments in onco-hematological patients; efficiency of therapies in health systems; and therapeutic positioning of antineoplastic drugs. There is a strong need to establish homogeneous criteria for the assessment of subgroup analysis and to develop new tools for its consideration.
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Antineoplásicos , Melanoma , Antineoplásicos/uso terapéutico , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Economía Farmacéutica , Humanos , Ipilimumab/uso terapéutico , Masculino , Melanoma/tratamiento farmacológico , Nivolumab/uso terapéuticoRESUMEN
Objective: Refractory multiple myeloma (MM) presents poor responses to therapies. New drugs for highly pretreated MM are a hope for this clinical context with limited treatment options. We developed a comparative commentary on the evidence about the use of belantamab mafodotin in heavily pretreated relapsed or refractory MM with respect to other therapies. Data sources: Regimen data were extracted from pivotal clinical trials. Data summary: Response rates were the main efficacy outcomes reported in trials. Overall response was achieved by approximately 30% of patients trated with belantamab mafodotin. Response rates of different regimens must be supported by more relevant data, such as overall survival or progression-free survival. Subgroups of patients with extramedullary disease and revised International Staging System III should be thoroughly evaluated in phase III comparative clinical trials with larger sample sizes. Belantamab mafodotin presented specific adverse events (visual disturbances and kerathopathies). Grade 3-4 adverse events involved high percentages of patients treated with the different schemes. The budgetary impact of different treatments for heavily pretreated refractory MM would be very high. Literature suggested increased efficiency of belantamab mafodotin versus chimeric antigen receptor T-cell therapies. Conclusions: Belantamab mafodotin and other regimens are promising drugs for MM, especially for triple-class refractory patients. Comparative studies are necessary to perform a reliable therapeutic positioning.
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Mieloma Múltiple , Anticuerpos Monoclonales Humanizados/efectos adversos , Protocolos de Quimioterapia Combinada Antineoplásica/efectos adversos , Humanos , Mieloma Múltiple/tratamiento farmacológico , Supervivencia sin ProgresiónRESUMEN
BACKGROUND: Use of docetaxel in low- and high-burden metastatic hormone-sensitive prostate cancer presents considerable controversy. There is literature suggesting lack of benefit for low-volume of metastases. OBJECTIVE: The study aims to develop a systematic review and methodological assessment of subset analysis about use of docetaxel in metastatic hormone-sensitive prostate cancer regarding volume of metastatic disease. METHODS: A systematic review in the Pubmed® database was conducted up to 25 September 2020. A reference tracking was also developed. Randomised clinical trials with subgroup analysis according volume of metastatic disease for overall survival were selected. Two methodologies were used. One of them considered statistical interaction of subsets (p(i) < 0.1), pre-specification, biological plausibility and consistency among subset results of similar randomised clinical trials. The second methodology was a two-part validated tool: preliminary questions to discard subset analysis without minimal relevance and a checklist The checklist provides recommendations for applicability of subgroup analysis in clinical practice. RESULTS: A total of 31 results were found in systematic reviews in the Pubmed® database. One result was identified in the reference tracking. Of the total of 32 results, four randomised clinical trials were included in the study. About first methodology, statistical interaction among subgroups was obtained in one randomised clinical trial. Subgroup analysis was pre-specified in two randomised clinical trials. Biological plausibility was reasonable. No external consistency among results of subgroup analyses in randomised clinical trials was observed. Preliminary questions of second methodology rejected applicability of subgroup analysis in three randomised clinical trials. A 'null' recommendation for applicability of subset results was obtained in the remaining randomised clinical trial. CONCLUSIONS: Patients with low- and high-burden metastatic hormone-sensitive prostate cancer would benefit from docetaxel therapy. No consistent differences for overall survival were observed in subgroup analyses regarding volume of metastatic disease.
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Antagonistas de Andrógenos , Neoplasias de la Próstata , Humanos , Masculino , Docetaxel/uso terapéutico , Hormonas , Neoplasias de la Próstata/tratamiento farmacológicoRESUMEN
OBJECTIVES: Multiple myeloma (MM) is a complex disease. Lack of direct comparisons among treatments and incorporation of new alternatives make it necessary to perform studies that allow for clinical decision-making. A network meta-analysis (NMA) was developed to evaluate the comparative efficacy among different therapeutic alternatives in newly diagnosed transplant-ineligible MM patients. METHODS: MEDLINE® and EMBASE® were systematically searched up for these drugs: lenalidomide, thalidomide, bortezomib, and daratumumab. Comparative phase II-III randomized clinical trials (RCTs) were included. Progression-free survival (PFS) was selected as efficacy outcome. The NMA was developed using Bayesian methods. Fixed- and random-effects models were assessed using deviance information criteria. RESULTS: The systematic search yielded 593 results. Ten RCTs were included. No differences were observed between fixed- and random-effects models. The combination of daratumumab, bortezomib, melphalan, and prednisone showed the best HR in PFS (reference treatment). Along with this scheme, the best PFS results were obtained by combination of daratumumab, lenalidomide, and dexamethasone (HR 1.2, 95% CrI 0.64-2.4) and bortezomib with lenalidomide and dexamethasone (HR 1.6, 95% CrI 0.81-3.0). CONCLUSIONS: Schemes with the best PFS results were daratumumab treatments and combination of bortezomib, lenalidomide, and dexamethasone, although the latter scheme has been analyzed in heterogeneous populations.
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Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Mieloma Múltiple/tratamiento farmacológico , Cuidados Preoperatorios , Protocolos de Quimioterapia Combinada Antineoplásica/efectos adversos , Ensayos Clínicos como Asunto , Trasplante de Células Madre Hematopoyéticas/métodos , Humanos , Quimioterapia de Inducción , Mieloma Múltiple/diagnóstico , Mieloma Múltiple/mortalidad , Pronóstico , Resultado del TratamientoRESUMEN
WHAT IS KNOWN AND OBJECTIVE: Subgroup analysis plays an important role in clinical decision-making. Correct management of subgroup analysis is necessary to optimize effectiveness, safety and efficiency of treatments. No homogeneous criteria have been developed for interpretation of subgroup analysis. In this study, the researcher develops a checklist to evaluate the reliability and applicability of the results of subset analyses. METHODS: With a review of previous literature, three main criteria were included in the checklist: statistical association, biological plausibility and consistency among studies. Statistical association considered interaction probability, prespecification of analysis, number of subgroups analysed, sample size and positive/negative result in global analysis. Each item was given an indicative score. Total score was related to a level of applicability for the results in clinical practice. Checklist validation included interinvestigator concordance and assessment about utility. Three drug examples were used to validate the tool. RESULTS AND DISCUSSION: Twenty-six evaluators showed adequate interinvestigator concordance (kappa 0.79, 1 and 0.83 for each drug example regarding applicability). Kappa values increased to 0.94, 1 and 1 after group discussion. Checklist utility score was greater than 4.7/5 in three drug examples. In pre-analysis, inter-researcher agreement on global applicability recommendation of subgroup results to practice was 92.3% (ramucirumab), 96% (nivolumab) and 100% (mepolizumab). In post-analysis, inter-researcher agreement on applicability recommendation of subgroup results was 100%, 94.45% and 100%, respectively. The checklist validation shows a high interindividual agreement of the results, both with respect to the evaluation of the applicability of subgroup analysis and concerning clinical decision-making. WHAT IS NEW AND CONCLUSION: We have developed the first validated tool for interpretation of subgroup analyses. The checklist contributes to the adoption of homogeneous criteria for subgroup analyses, thereby allowing discussion and evaluation of the effects of a health intervention.
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Lista de Verificación , Sistemas de Apoyo a Decisiones Clínicas , Anticuerpos Monoclonales Humanizados/uso terapéutico , Antineoplásicos/uso terapéutico , Humanos , Nivolumab/uso terapéutico , Reproducibilidad de los Resultados , RamucirumabRESUMEN
A multicentre case series of patients with chronic migraine (CM) treated with monoclonal antibodies directed against calcitonin gene-related peptide (CGRP-mAbs) switching were developed. The effectiveness and safety of CGRP-mAbs switching as a preventive treatment for CM in clinical practice were recorded. Effectiveness was measured by ≥50% reduction of monthly migraine days in respect to baseline and reduction in pain intensity. Safety was analysed through adverse events (AEs) and treatment discontinuations. Seven patients were included. The reason for switching was non-response in all cases. Two patients presented a response to the first CGRP-mAb, but the effect was lost after 3 months. The remaining five patients were non-responders. Response to the second CGRP-mAb was observed in three patients, one of them for >3 months. Less than half of the patients previously treated with a CGRP-mAb responded to switching with a second CGRP-mAb. AEs were rare, with no treatment discontinuations.
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Péptido Relacionado con Gen de Calcitonina , Trastornos Migrañosos , Humanos , Péptido Relacionado con Gen de Calcitonina/uso terapéutico , Anticuerpos Monoclonales/efectos adversos , Trastornos Migrañosos/tratamiento farmacológico , Trastornos Migrañosos/prevención & controlRESUMEN
Patient empowerment is one of the main pillars of humanisation. Therefore, consideration of patients' preferences and expectations should be taken into account during the practice of any healthcare professional. Improving overall survival and quality of life are the main wishes of patients. Indeed, the recent emergence of Patient Reported Outcomes has become an important focus for healthcare providers. The hospital pharmacist specialised in drug evaluation is a professional who evaluates the efficacy, safety, appropriateness and efficiency of treatments prescribed by physicians, and decision-making must be based on both technical factors and the four principles of bioethics. The correct application of evidence-based clinical practice allows to provide patients with increases in survival and/or quality of life, adapting the convenience and costs to the current situation. With this in mind, it could be said that the evaluation of medicines involves a strong commitment to humanisation. On the other hand, rganisations that promote the rigorous evaluation and selection of medicines stand as allies of patients, as they have a direct impact on them and an indirect impact on society. Regulatory agencies in charge of approving and financing medicines in healthcare systems play a key role in the process of humanising clinical decision-making and empowering patients. If these agencies approve the use of new medicines based on data that do not measure quality of life or survival of patients when there are already other therapeutic alternatives for these pathologies, they are indirectly failing to meet patients' expectations and are infringing bioethical principles. This can have a considerable influence on the benefit-risk ratio of drugs, and patients may be treated with regimens that do not provide benefit, or may even harm them. Therefore, where should the process of humanisation be oriented? It seems reasonable that the benefit of the patient should be the fundamental objective of the process of humanisation of healthcare, evidently.
El empoderamiento del paciente supone uno de los principales pilares de la humanización. Por ello, la consideración de las preferencias y expectativas de los pacientes debería ser tenida en cuenta durante el ejercicio de cualquiera de los profesionales de la salud. Mejorar la supervivencia global y la calidad de vida son los deseos principales de los pacientes. De hecho, la reciente aparición de los llamados Patient Reported Outcomes ha supuesto un importante foco para los agentes involucrados en la asistencia sanitaria. El farmacéutico hospitalario especializado en la evaluación de medicamentos es un profesional que evalúa la eficacia, seguridad, adecuación y eficiencia de los tratamientos prescritos por facultativos, y debe basar la toma de decisiones tanto en factores técnicos como en los cuatro principios bioéticos. La correcta aplicación de la práctica clínica basada en la evidencia permite proveer a los pacientes de incrementos de supervivencia y/o calidad de vida, adecuando la conveniencia y costes a la situación actual. Teniendo en cuenta esto, podría decirse que la evaluación de medicamentos supone un fuerte compromiso con la humanización. Por otra parte, las organizaciones que promueven la evaluación y selección de medicamentos rigurosamente se erigen como aliados de los pacientes, ya que repercuten de forma directa en éstos y de forma indirecta en la sociedad. Las agencias reguladoras encargadas de la aprobación y financiación de medicamentos en los sistemas sanitarios protagonizan un papel fundamental en el proceso de humanización de la toma de decisiones clínicas y empoderamiento de pacientes, ya que si aprueban el uso de nuevos medicamentos según datos que no miden la calidad de vida o supervivencia de los pacientes cuando ya existen otras alternativas terapéuticas para estas patologías, indirectamente no estarán dando respuesta a las expectativas de los pacientes y conculcarán los principios bioéticos. Esto puede tener una considerable influencia en la relación beneficio-riesgo de los fármacos, pudiendo tratar a pacientes con esquemas que no aportan beneficio, o incluso podrían perjudicarles. Por tanto, ¿hacia dónde debiera ir orientado el proceso de humanización? Parece razonable que el beneficio del paciente sea el objetivo fundamental del proceso de humanización de la asistencia sanitaria, evidentemente.
Asunto(s)
Motivación , Calidad de Vida , Humanos , Objetivos , Pacientes , Personal de SaludRESUMEN
OBJECTIVE: The European Medicines Agency's marketing authorisation criteria for drugs are reflected in the European Public Assessment Reports. The objective is to describe the expectations and preferences of our oncohematological outpatients with respect to their oral treatments, and to evaluate the concordance with the results of European Public Assessment Reports. METHOD: A survey of onco-hematological patients' expectations and preferences about overall survival and quality of life was developed, with three items: expectations on treatment, preferences of benefit and willingness to receive novel treatments with non-definitive results. European Public Assessment Reports of the indicated drugs were reviewed. Kappa index (κ) was used to assess the agreement between patients' expectations and preferences respect to the benefit in overall survival and quality of life described in the corresponding European Public Assessment Report. Concordance between willingness of patients to receive novel treatments and European Public Assessment Reports results was evaluated by absolute agreement (Ao). RESULTS: There were 29 participants, and 19 different European Public Assessment Reports were consulted. Patients' expectations about their treatment: 82.1% expected improvement in overall survival and quality of life; the κ value between expectations and results of European Public Assessment Reports was 0.091 (confidence interval 95%: -0.025 to 0.207). Patients' preferences about benefit of their treatment: 92.6% preferred quality of life; the κ value was 0.016 (confidence interval 95%: - 0.127 to 0.160). Willingness to receive novel treatments: 82.1% participants demanded benefit in overall survival or quality of life; exigences were met in Ao = 53.6% of patients. CONCLUSIONS: Little agreement was observed between expectations and preferences of our onco-hematological patients and European Public Assessment Reports, according to overall survival and quality of life. Most patients preferred an improvement in quality of life, but also expected an increase in overall survival with their treatment. Almost half of patients would not meet their requirements to receive their drug when it was authorized.
OBJETIVO: Los criterios de autorización de comercialización de medicamentos de la Agencia Europea del Medicamento se reflejan en los European Public Assessment Reports. El objetivo es describir las expectativas y preferencias de nuestros pacientes externos oncohematológicos con respecto a sus tratamientos orales, y evaluar la concordancia con los resultados de los European Public Assessment Reports. Método: Se elaboró una encuesta sobre las expectativas y preferencias de los pacientes oncohematológicos respecto a la supervivencia global y calidad de vida, con tres ítems: expectativas sobre el tratamiento, preferencias de beneficio y disposición a recibir tratamientos novedosos con resultados inmaduros. Se revisaron los European Public Assessment Reports de los fármacos indicados. Se utilizó el índice kappa (κ) para evaluar la concordancia entre las expectativas y preferencias de los pacientes respecto al beneficio en supervivencia global y calidad de vida descrito en el European Public Assessment Report correspondiente. La concordancia entre la disposición de los pacientes a recibir nuevos tratamientos y los resultados de los European Public Assessment Reports se evaluó mediante la concordancia absoluta (Ao). RESULTADOS: Se incluyeron 29 participantes y se consultaron 19 European Public Assessment Reports diferentes. Expectativas de los pacientes sobre su tratamiento: el 82,1% esperaba una mejora de la supervivencia global y calidad de vida; el valor κ entre las expectativas y los resultados de los European Public Assessment Reports fue de 0,091 (intervalo de confianza 95%: 0,025 a 0,207). Preferencias de los pacientes sobre el beneficio de su tratamiento: el 92,6% prefirió la calidad de vida; el valor κ fue de 0,016 (intervalo de confianza 95%: 0,127 a 0,160). Disposición a recibir tratamientos novedosos: el 82,1% de los participantes exigió un beneficio en la supervivencia global o en la calidad de vida; las exigencias se cumplieron en Ao = 53,6% de los pacientes. CONCLUSIONES: Se observó poca concordancia entre las expectativas y preferencias de nuestros pacientes oncohematológicos y los European Public Assessment Reports, según la supervivencia global y la calidad de vida. La mayoría de los pacientes preferían una mejora de la calidad de vida, pero también esperaban un aumento de la supervivencia global con su tratamiento. Casi la mitad de los pacientes no cumpliría con sus requisitos para recibir su medicación cuando ésta fuera autorizada.
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Motivación , Calidad de Vida , HumanosRESUMEN
Belantamab mafodotin (BLMF) is an interesting therapeutic alternative for multiple myeloma (MM) patients pretreated with immunomodulatory drugs, proteasome inhibitors, and anti-CD38 monoclonal antibodies. Scientific evidence on BLMF provides immature data about progression-free survival and overall survival by short follow-up of patients with poor prognoses. Cases with long follow-ups could provide additional information about BLMF. This case reports a patient with MM treated with BLMF who had received nine previous lines of therapy with a follow-up of 11 months. No complete response was obtained. However, no disease progression was observed and the patient was still alive at the end of this work. BLMF showed manageable adverse effects. Our patient presented advanced disease, good functional status at the beginning of BLMF treatment, and elevated levels of lactate dehydrogenase during BLMF therapy. The influence of these last two factors was not evaluated in clinical trials. This relationship should be assessed more deeply in future studies.
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Antineoplásicos , Mieloma Múltiple , Humanos , Mieloma Múltiple/tratamiento farmacológico , Anticuerpos Monoclonales Humanizados/uso terapéutico , InmunoterapiaRESUMEN
OBJECTIVE: One year after the declaration of the SARS-CoV-2 pandemic, only dexamethasone has clearly shown a reduction in mortality for COVID-19 hospitalized patients. For interleukin-6 inhibitors, results are variable and nclear. The objective was to review and analyze the effect of tocilizumab and sarilumab on survival in this setting. METHOD: The PRISMA statements were fulfilled for the systematic review. A systematic search in Medline, Embase and medRxiv was conducted to identify randomized controlled trials with tocilizumab or sarilumab in hospitalized patients with COVID-19. Mortality data from non-critical and critical patients were extracted. A random-effects (DerSimonian-Laird) meta-analysis was performed for both subgroups and the whole population using MAVIS software v. 1.1.3. Similarity and homogeneity among trials were assessed. RESULTS: Twenty-five and 23 articles were identified in Medline and Embase, respectively, five were trials with tocilizumab and/or sarilumab; two more were identified at medRxiv. Seven randomized clinical trials fulfilled the inclusion criteria. Another trial was pre-published and included post-hoc. The meta-analysis, with eight randomized clinical trials and 6,340 patients, showed a benefit on mortality for interleukin-6 heterogeneity (I2 = 7%), but a low similarity among studies. The results showed no differences among critical and non-critical patients. A sensitivity analysis excluding non-similar or heterogeneous studies showed different results, without benefit and with low precision of the result in non-critical patients. CONCLUSIONS: A benefit in mortality for interleukine-6 inhibitors was found, but with important differences among the scenarios analyzed in the clinical trials. Positive results are mainly caused by two randomized clinical trials which are similar in concomitant use of steroids and veryhigh mortality in critical patents. Sarilumab was poorly represented in the meta-analysis. Nevertheless, an association between the benefit and the critical/non-critical condition was not found. More randomized clinical trials, mainly focused in atients at high mortality risk, are needed to confirm the benefit of interleukine- 6 inhibitors for COVID-19. Sarilumab was underrepresented in the meta- analysis.
OBJETIVO: Un año después de la declaración de la pandemia por SARSCoV-2, solo dexametasona había mostrado claramente una reducción de la mortalidad en pacientes hospitalizados por COVID-19. Los resultados de los inhibidores de interleucina 6 son diversos y poco claros. El objetivo de este trabajo es revisar y analizar el efecto de tocilizumab y sarilumab sobre la supervivencia de los pacientes en este escenario.Método: La revisión sistemática siguió las recomendaciones de PRISMA. Se realizó una búsqueda sistemática en Medline, Embase y medRxiv para identificar ensayos controlados aleatorizados con tocilizumab o sarilumab en pacientes hospitalizados con COVID-19. Se recopilaron los datos de mortalidad de pacientes críticos y no críticos y se llevó a cabo un metaanálisis de efectos aleatorios (Der Simonian-Laird) para ambos subgrupos y para toda la población, usando el software MAVIS v. 1.1.3. La similitud y homogeneidad entre los ensayos fue evaluada. RESULTADOS: Se identificaron 25 y 23 artículos en Medline y Embase, respectivamente; cinco eran ensayos con tocilizumab y/o sarilumab; se identificaron dos más en medRxiv. En total, siete ensayos clínicos aleatorizados cumplieron los criterios de inclusión. Posteriormente, se prepublicó otro ensayo que cumplía los criterios de inclusión y se incorporó al análisis. El metaanálisis, con ocho ensayos clínicos aleatorizados y 6.340 pacientes, mostró un beneficio sobre la mortalidad para los inhibidores de interleucina-6 (hazard ratio 0,85; intervalo de confianza al 95% 0,74-0,99), con baja heterogeneidad (I2 = 7%), pero reducida similitud entre los estudios. Los resultados no mostraron diferencias entre pacientes críticos y no críticos. Un análisis de sensibilidad excluyendo estudios heterogéneos o no similares mostró resultados diferentes, sin beneficio y con baja precisión del resultado en pacientes no críticos. CONCLUSIONES: Se encontró un beneficio en la mortalidad de los inhibidores de la interleucina 6, pero con importantes diferencias entre los escenarios analizados en los ensayos clínicos. Los resultados positivos se eben principalmente a dos ensayos que son similares en el uso concomitante de esteroides y una mortalidad muy alta en pacientes críticos. Sarilumab estuvo escasamente representado en el metaanálisis. Sin embargo, el metaanálisis por subescenarios no encontró una relación entre el beneficio y la condición de pacientes críticos/no críticos. Se necesitan más ensayos clínicos aleatorizados, principalmente enfocados en pacientes con alto riesgo de mortalidad, para confirmar el beneficio de los inhibidores de interleucina-6 en COVID-19.
Asunto(s)
Tratamiento Farmacológico de COVID-19 , Dexametasona/uso terapéutico , Humanos , Interleucina-6 , Pandemias , SARS-CoV-2RESUMEN
OBJECTIVE: Remdesivir has not shown survival benefit for patients with severe COVID-19. However, subgroup analysis of ACTT-1 Study Group showed an apparent reduction in mortality for patients who required nonhigh-flow oxygen. Presentation of SOLIDARITY study results were associated by a meta-analysis combining mortality results by subsets rom randomized clinical trials. The aim is a methodological assessment of reliability and clinical applicability about findings by subgroups on the effect of remdesivir on mortality in patients with COVID-19. METHOD: A validated tool was used to evaluate the findings of subgroup analyses in randomized clinical trials, including meta-analysis atached to SOLIDARITY study. It is structured in preliminary questions to reject subset analyses without relevant minimum conditions, and a specific checklist. The latter considers certain criteria: statistical association, which encompassed p of interaction, prespecification of subgroups, sample size, number of factors analyzed, and overall study result; biological plausibility of observed differences; and consistency between results of similar studies. A score was assigned to each criterion and the tool related global summation to a recommendation on the applicability of subset results in clinical decision making. RESULTS: Preliminary questions had positive answers, so checklist was applied. Statistical association obtained "null" assessment (-3 points), including a "doubtful" p of interaction (p = 0.0650) among subgroups and mortality reached no statistical significance for global population. These findings reduced the reliability of subset analysis. Biological plausibility was considered "probable" (+3 points) because antiviral could have a greater effect before the inflammatory process and clinical worsening. Consistency between results of similar studies was evaluated as "possible" (+2 points) analysis for compatibility of ACTT-1 and SOLIDARITY study results. The recommendation about application of subset analysis results according to the risk of patients was "null". CONCLUSIONS: This structured interpretation of subgroup analysis suggested too much uncertainty in hypothesis about remdesivir could reduce mortality in patients with severe COVID-19 who required non-high- flow oxygen. It was probably a random finding. Therefore, a randomized clinical trial about effect of remdesivir in mortality in patients with COVID19 and non-high-flow oxygen is essential.
Objetivo: Remdesivir no ha mostrado beneficio en supervivencia para pacientes con COVID-19 grave. Sin embargo, el análisis por subgrupos del estudio ACTT-1 mostró aparente reducción de mortalidad en pacientes que requerían oxígeno no de alto flujo. La difusión de resultados del estudio SOLIDARITY se acompañó de un metaanálisis que combinó resultados de mortalidad por subgrupos de los ensayos clínicos aleatorizados. El objetivo del presente estudio es analizar metodológicamente la fiabilidad y aplicabilidad clínica de los hallazgos por subgrupos sobre el efecto de remdesivir en mortalidad en pacientes con COVID-19.Método: Se usó una herramienta validada para valorar los hallazgos de los análisis por subgrupos en ensayos clínicos aleatorizados, incluido el metaanálisis anexo al estudio SOLIDARITY. La herramienta utilizada está estructurada en cuestiones preliminares para descartar análisis por subgrupos sin condiciones mínimas relevantes, y un cuestionario específico. Este último considera determinados criterios: asociación estadística, incluyendo p de interacción, preespecificación de subgrupos, tamaño muestral, número de factores valorados y resultado global del estudio; plausibilidad biológica de las diferencias observadas; y consistencia entre resultados de estudios similares. Se asignó una puntuación a cada criterio y la herramienta relacionó el sumatorio global con una recomendación sobre la aplicabilidad de los resultados de los subgrupos en la toma de decisiones clínicas.Resultados: Las cuestiones preliminares tuvieron respuestas positivas, aplicándose el cuestionario. La asociación estadística obtuvo valoración "nula" (3 puntos), con p de interacción dudosa (p = 0,0650) y resultado de mortalidad no significativo en población global, restando fiabilidad al análisis de subgrupos. La plausibilidad biológica fue considerada "probable" (+3 puntos), ya que el antiviral pudiera tener mayor efecto antes del proceso inflamatorio y empeoramiento clínico. La consistencia se valoró "posible" (+2 puntos) por compatibilidad de resultados del estudio ACTT-1 y SOLIDARITY. La recomendación de aplicación del análisis por subgrupos según el riesgo de los pacientes fue "nula".Conclusiones: Esta interpretación estructurada de análisis por subgrupos sugiere que la hipótesis de que remdesivir podría reducir la mortalidad en pacientes con COVID-19 grave que precisan oxígeno no de alto flujo presenta demasiada incertidumbre, y es probable que sea un hallazgo casual. Por tanto, es imprescindible la realización de un ensayo clínico aleatorizado sobre mortalidad en pacientes con oxígeno no de alto flujo.
Asunto(s)
Adenosina Monofosfato/análogos & derivados , Alanina/análogos & derivados , Antivirales/uso terapéutico , Tratamiento Farmacológico de COVID-19 , COVID-19/mortalidad , Adenosina Monofosfato/uso terapéutico , Alanina/uso terapéutico , Humanos , Metaanálisis como Asunto , Ensayos Clínicos Controlados Aleatorios como AsuntoRESUMEN
OBJECTIVE: New monoclonal antibodies against the calcitonin generelated peptide pathway have recently been developed for the prevention of migraine. The aim of this study is to compare the efficacy of monoclonal antibodies against the calcitonin generelated peptide pathway drugs in chronic migraine through an adjusted indirect treatment comparison, and to establish whether they can be considered equivalent therapeutic alternatives in this pathology. METHOD: A bibliographic search of randomized clinical trials was performed in PubMed database on December 26, 2019. The inclusion criteria were phase II/III randomized clinical trials of monoclonal antibodies against the calcitonin generelated peptide pathway with similar population, length of follow-up and treatment comparator. The reduction of at least 50% migraine-days/month was selected as efficacy endpoint. Chronic migraine was defined as ≥ 15 headache days/month, of which ≥ 8 were migraine-days (event duration ≥ 4 hours). Randomized clinical trials with different clinical chronic migraine context and definition of disease were excluded. An indirect treatment comparison was developed using Bucher's method. The equivalent therapeutic alternatives positioning guide was used for the evaluation of potentially equivalent alternatives. Delta value (Δ, maximum difference as clinical criterion of equivalence) was calculated as half of absolute risk reduction obtained in a meta-analysis of randomized clinical trials included in indirect treatment comparison. RESULTS: Thirty randomized clinical trials were found: erenumab (n = 12), fremanezumab (n = 7), galcanezumab (n = 10) and eptinezumab (n = 1). Three studies were selected: one of erenumab, one of fremanezumab and another of eptinezumab. The rest were not included in indirect treatment comparison for non-compliance of inclusion criteria. Results of indirect treatment comparison among different regimens of studied drugs showed no statistically significant differences, and the most part of 95% confidence interval was within calculated delta margins (Δ = 9.5%). No relevant safety differences among the three drugs were found. CONCLUSIONS: Indirect treatment comparison showed no statistically significant differences in reduction of ≥ 50% migraine days/month between erenumab, fremanezumab and eptinezumab. Probable clinical equivalence was found between these drugs in terms of efficacy and safety, therefore they could be considered equivalent therapeutic alternatives in chronic migraine.
Objetivo: Recientemente se han desarrollado anticuerpos monoclonales contra la vía del péptido relacionado con el gen de la calcitonina para la prevención de la migraña. El objetivo de este estudio es comparar la eficacia de los fármacos anticuerpos monoclonales contra la vía del péptido relacionado con el gen de la calcitonina en migraña crónica a través de una comparación indirecta ajustada, y establecer si pueden considerarse alternativas terapéuticas equivalentes en esta patología.Método: Se realizó una búsqueda bibliográfica de ensayos clínicos aleatorizados en la base de datos PubMed el 26 de diciembre de 2019. Los criterios de inclusión fueron: ensayos clínicos aleatorizados fase II/III de anticuerpos monoclonales contra la vía del péptido relacionado con el gen de la calcitonina con similar población, duración de seguimiento y comparador. Se seleccionó la reducción de al menos un 50% de días de migraña/mes como variable de eficacia. Se definió migraña crónica como ≥ 15 días de dolor de cabeza/mes, de los cuales ≥ 8 fueron días de migraña (duración del evento ≥ 4 horas). Se excluyeron los ensayos clínicos aleatorizados con diferentes contextos clínicos de migraña crónica y definición de enfermedad. Se desarrolló una comparación indirecta ajustada utilizando el método de Bucher. Para la evaluación de la posible equivalencia terapéutica se siguieron las directrices de la guía de alternativas terapéuticas equivalentes de posicionamiento. El valor delta (Δ, máxima diferencia como criterio clínico de equivalencia) se calculó como la mitad de la reducción absoluta del riesgo obtenida en un metaanálisis de los ensayos clínicos aleatorizados incluidos en la comparación indirecta ajustada.Resultados: Se encontraron 30 ensayos clínicos aleatorizados: erenumab (n = 12), fremanezumab (n = 7), galcanezumab (n = 10) y eptinezumab (n = 1). Se seleccionaron tres estudios: uno de erenumab, uno de fremanezumab y otro de eptinezumab. El resto no se incluyó en la comparación indirecta ajustada por incumplimiento de los criterios de inclusión. Los resultados de la comparación indirecta ajustada entre las diferentes posologías de los fármacos estudiados no mostraron diferencias estadísticamente significativas, y la mayor parte del intervalo de confianza del 95% se encontró dentro de los márgenes delta calculados (Δ = 9,5%). No se encontraron diferencias de seguridad relevantes entre los tres medicamentos.Conclusiones: La comparación indirecta ajustada no mostró diferencias estadísticamente significativas en la reducción de ≥ 50% de días de migraña/mes entre erenumab, fremanezumab y eptinezumab. Se encontró una probable equivalencia clínica entre estos fármacos en términos de eficacia y seguridad, por lo que podrían considerarse alternativas terapéuticas equivalentes en migraña crónica.
Asunto(s)
Antineoplásicos Inmunológicos , Trastornos Migrañosos , Anticuerpos Monoclonales/uso terapéutico , Calcitonina/uso terapéutico , Péptido Relacionado con Gen de Calcitonina/uso terapéutico , Humanos , Trastornos Migrañosos/tratamiento farmacológicoRESUMEN
OBJECTIVE: Ustekinumab is used in moderate-severe plaque psoriasis with inadequate response to anti-tumour necrosis factor α drugs. Recent studies support the need to assess real long-term data. The aim of this study was to evaluate the real long-term effectiveness and safety of ustekinumab in moderate-severe plaque psoriasis refractory to 2 anti-tumour necrosis factor α drugs. METHOD: Retrospective descriptive study from January 2010 to March 2019. The study included patients with moderate-severe plaque psoriasis previously treated with at least 2 anti-tumour necrosis factor α biologic drugs. The effectiveness endpoints were Psoriasis Area and Severity Index 90 and 75 response rates at weeks 24, 48, 72, and 96. Safety was assessed using adverse effects and treatment withdrawal. RESULTS: A total of 36 patients were included (men, 61%). Ustekinumab was used after treatment with 2 anti-tumour necrosis factor α drugs in 88.9% of patients. The biologic drugs most frequently administered prior to ustekinumab were infliximab (94.4%) and etanercept (91.7%). It was observed that at least 66.7% of patients reached Psoriasis Area and Severity Index 90 at weeks 24, 48, 72, and 96. Adverse effects were recorded in 6 patients. There were no treatment withdrawals. CONCLUSIONS: Ustekinumab showed real long-term effectiveness and safety in moderate-severe plaque psoriasis with inadequate response to 2 previous anti- tumour necrosis factor α drugs.
Objetivo: Ustekinumab se usa en psoriasis en placas moderada-grave con respuesta inadecuada a fármacos antifactor de necrosis tumoral α. Recientes estudios sostienen la escasez de resultados en vida real a largo plazo. El objetivo es evaluar la efectividad y seguridad de larga duración de ustekinumab en psoriasis en placas moderada-severa refractaria a dos fármacos antifactor de necrosis tumoral α.Método: Estudio descriptivo retrospectivo entre enero de 2010 y marzo de 2019. Se incluyeron pacientes con psoriasis en placas moderada-grave tratados previamente con al menos dos agentes biológicos antifactor de necrosis tumoral α. Las variables de efectividad fueron respuestas Psoriasis Area and Severity Index 90 y 75 a las 24, 48, 72 y 96 semanas. La seguridad fue valorada mediante reacciones adversas y suspensiones de tratamiento.Resultados: Se incluyeron 36 pacientes. El 61% fueron varones. Ustekinumab fue usado tras dos fármacos antifactor de necrosis tumoral α en el 88,9% de los pacientes. Los agentes biológicos previos más frecuentes fueron infliximab (94,4%) y etanercept (91,7%). Se observó que, al menos, el 66,7% de los pacientes alcanzaron Psoriasis Area and Severity Index 90 en las semanas 24, 48, 72 y 96. Se registraron reacciones adversas asociadas a ustekinumab en 6 pacientes. No hubo suspensiones. Conclusiones: Ustekinumab ha demostrado ser efectivo y seguro a largo plazo según resultados de vida real en psoriasis en placas moderada-severa tras respuesta inadecuada a dos fármacos antifactor de necrosis tumoral α.
Asunto(s)
Psoriasis , Ustekinumab , Anticuerpos Monoclonales , Terapia Biológica , Etanercept/efectos adversos , Humanos , Masculino , Psoriasis/tratamiento farmacológico , Estudios Retrospectivos , Índice de Severidad de la Enfermedad , Resultado del Tratamiento , Ustekinumab/uso terapéuticoRESUMEN
OBJECTIVE: Mepolizumab is indicated as an additional treatment of severe refractory eosinophilic asthma. The observed differences in population subgroups according to plasma eosinophil count, the existence of patients with high levels of immunoglobulin E who are candidates of omalizumab and mepolizumab, as well as mepolizumab's economic impact, lead to make efficient economic studies for clinical decision making. The aim was to analyze mepolizumab's cost-efficacy and budget impact. METHOD: Cost comparison and the use of mepolizumab's budgetary impact was performed, from the Spanish National Health System's perspective. Among the assessed alternatives, inhaled systemic corticosteroids, plus long acting beta agonist (ß2) and/or oral systemic corticosteroids in patients with non immunoglobulin E-mediated severe allergic asthma, and said treatment along with omalizumab in patients with immunoglobulin E mediated eosinophilic allergic asthma were included. Its efficacy was evaluated through avoided clinically relevant exacerbations. The direct costs associated with exacerbation were assessed. RESULTS: Mepolizumab's long run average incremental cost regarding omalizumab's is 797 euros per patient a year. Considering omalizumab's alternative discounted price, including mepolizumab for patients with immunoglobulin E mediated eosinophilic allergic asthma would increase public spending from 2.3 to 4.6 million euros. Given omalizumab's notified price, the gradual introduction of mepolizumab in the Spanish National Health System would save 3.6 million euros in three years. For non immunoglobulin E-mediated severe asthma patients, the avoided cost/exacerbation by introducing mepolizumab is 15,085 euros, assuming a gradual market penetration of mepolizumab. In patients with ≥ 500 eosinophils/µL, this cost decreases to 7,767 euros per avoided exacerbation with a budgetary impact of 183.2 million euros in three years with a progressive penetration of mepolizumab. CONCLUSIONS: The cost comparison between mepolizumab and omalizumab in immunoglobulin E mediated eosinophilic asthma patients suggests a use of the lower cost drug, promoting price competition. Additionally, prioritizing its use among non immunoglobulin E-mediated severe refractory eosinophilic asthma patients and ≥ 500 eosinophils/µL plasma level patients, would improve its efficiency as well as reducing its budgetary impact.
Objetivo: Mepolizumab está indicado como tratamiento adicional del asma eosinofílica refractaria grave. Las diferencias observadas en subgrupos poblacionales según recuento eosinofílico plasmático, existencia de pacientes con altos niveles de inmunoglobulina E candidatos a omalizumab y mepolizumab, e impacto económico de mepolizumab obligan a realizar estudios económicos para tomar decisiones clínicas eficientes. El objetivo fue realizar un análisis de coste/eficacia e impacto presupuestario de mepolizumab.Método: Se realizó la comparación de costes e impacto presupuestario del uso de mepolizumab desde la perspectiva del Sistema Nacional de Salud. Las alternativas valoradas fueron corticosteroides sistémicos inhalados + agonista ß2 de larga duración y/o corticosteroides sistémicos orales en pacientes con asma alérgica grave no mediada por inmunoglobulina E, y este tratamiento junto a omalizumab en pacientes con asma eosinofílica alérgica mediada por inmunoglobulina E. La eficacia se evaluó mediante exacerbaciones clínicamente relevantes evitadas. Se valoraron los costes directos asociados a exacerbación.Resultados: El coste incremental medio de mepolizumab respecto a omalizumab es de 797 euros por paciente y año. Considerando precio alternativo con descuento de omalizumab, incluir mepolizumab para pacientes con asma eosinofílica alérgica y mediada por inmunoglobulina E supondría incrementar el gasto público de 2,3 a 4,6 millones de euros. Teniendo en cuenta el precio notificado de omalizumab, la introducción gradual de mepolizumab en el Sistema Nacional de Salud supondría ahorrar 3,6 millones de euros en tres años. Para pacientes con asma grave no mediada por inmunoglobulina E, el coste/exacerbación evitada al añadir mepolizumab es de 15.085 euros, con un impacto presupuestario en tres años de 578,4 millones de euros, asumiendo una penetración progresiva de mepolizumab en el mercado. En los pacientes con ≥ 500 eosinófilos/µl, este coste disminuye a 7.767 euros por exacerbación evitada, con un impacto presupuestario de 183,2 millones de euros en tres años con penetración progresiva de mepolizumab.Conclusiones: La comparación de costes entre mepolizumab y omalizumab en pacientes con asma eosinofílica mediada por inmunoglobulina E señala como razonable utilizar el fármaco de menor coste, promoviendo competencia de precios. Asimismo, priorizar su uso en pacientes con asma eosinofílica refractaria grave no mediada por inmunoglobulina E y niveles plasmáticos ≥ 500 eosinófilos/µl permitiría mejorar la eficiencia y disminuir el impacto presupuestario.
Asunto(s)
Antiasmáticos/economía , Antiasmáticos/uso terapéutico , Anticuerpos Monoclonales Humanizados/economía , Anticuerpos Monoclonales Humanizados/uso terapéutico , Asma/tratamiento farmacológico , Asma/economía , Asma/inmunología , Análisis Costo-Beneficio , Costos de los Medicamentos , Resistencia a Medicamentos , Eosinófilos , Humanos , Inmunoglobulina E/inmunología , EspañaAsunto(s)
Carcinoma de Pulmón de Células no Pequeñas , Carcinoma de Células Escamosas , Neoplasias Pulmonares , Protocolos de Quimioterapia Combinada Antineoplásica/efectos adversos , Carcinoma de Pulmón de Células no Pequeñas/tratamiento farmacológico , Carcinoma de Células Escamosas/tratamiento farmacológico , Células Epiteliales , Humanos , Ipilimumab/efectos adversos , Neoplasias Pulmonares/tratamiento farmacológico , Nivolumab/efectos adversosRESUMEN
El empoderamiento del paciente supone uno de los principales pilares dela humanización. Por ello, la consideración de las preferencias y expectativas de los pacientes debería ser tenida en cuenta durante el ejerciciode cualquiera de los profesionales de la salud. Mejorar la supervivenciaglobal y la calidad de vida son los deseos principales de los pacientes. Dehecho, la reciente aparición de los llamados Patient Reported Outcomes hasupuesto un importante foco para los agentes involucrados en la asistenciasanitaria. El farmacéutico hospitalario especializado en la evaluación demedicamentos es un profesional que evalúa la eficacia, seguridad, adecuación y eficiencia de los tratamientos prescritos por facultativos, y debebasar la toma de decisiones tanto en factores técnicos como en los cuatroprincipios bioéticos. La correcta aplicación de la práctica clínica basadaen la evidencia permite proveer a los pacientes de incrementos de supervivencia y/o calidad de vida, adecuando la conveniencia y costes a lasituación actual. Teniendo en cuenta esto, podría decirse que la evaluaciónde medicamentos supone un fuerte compromiso con la humanización. Porotra parte, las organizaciones que promueven la evaluación y selecciónde medicamentos rigurosamente se erigen como aliados de los pacientes,ya que repercuten de forma directa en éstos y de forma indirecta en lasociedad. Las agencias reguladoras encargadas de la aprobación y financiación de medicamentos en los sistemas sanitarios protagonizan un papelfundamental en el proceso de humanización de la toma de decisiones clínicas y empoderamiento de pacientes, ya que si aprueban el uso de nuevos medicamentos según datos que no miden la calidad de vida o supervivencia de los pacientes cuando ya existen otras alternativas terapéuticaspara estas patologías, indirectamente no estarán dando respuesta a lasexpectativas de los pacientes y conculcarán los principios bioéticos. (AU)
Patient empowerment is one of the main pillars of humanisation. Therefore,consideration of patients preferences and expectations should be takeninto account during the practice of any healthcare professional. Improvingoverall survival and quality of life are the main wishes of patients. Indeed,the recent emergence of Patient Reported Outcomes has become animportant focus for healthcare providers. The hospital pharmacist specialised in drug evaluation is a professional who evaluates the efficacy, safety,appropriateness and efficiency of treatments prescribed by physicians,and decision-making must be based on both technical factors and thefour principles of bioethics. The correct application of evidence-based clinical practice allows to provide patients with increases in survival and/orquality of life, adapting the convenience and costs to the current situation.With this in mind, it could be said that the evaluation of medicines involvesa strong commitment to humanisation. On the other hand, organisationsthat promote the rigorous evaluation and selection of medicines standas allies of patients, as they have a direct impact on them and an indirect impact on society. Regulatory agencies in charge of approving andfinancing medicines in healthcare systems play a key role in the processof humanising clinical decision-making and empowering patients. If theseagencies approve the use of new medicines based on data that do notmeasure quality of life or survival of patients when there are already othertherapeutic alternatives for these pathologies, they are indirectly failing tomeet patients expectations and are infringing bioethical principles. (AU)
Asunto(s)
Humanos , Farmacia , Atención Dirigida al Paciente , Bioética , Medicina Basada en la Evidencia , Evaluación de Medicamentos , Poder PsicológicoRESUMEN
Objetivo: Los criterios de autorización de comercialización de medicamentosde la Agencia Europea del Medicamento se reflejan en losEuropean Public Assessment Reports. El objetivo es describir las expectativasy preferencias de nuestros pacientes externos oncohematológicoscon respecto a sus tratamientos orales, y evaluar la concordancia con losresultados de los European Public Assessment Reports.Método: Se elaboró una encuesta sobre las expectativas y preferenciasde los pacientes oncohematológicos respecto a la supervivencia globaly calidad de vida, con tres ítems: expectativas sobre el tratamiento, preferenciasde beneficio y disposición a recibir tratamientos novedosos conresultados inmaduros. Se revisaron los European Public Assessment Reportsde los fármacos indicados. Se utilizó el índice kappa (κ) para evaluar laconcordancia entre las expectativas y preferencias de los pacientes respectoal beneficio en supervivencia global y calidad de vida descrito enel European Public Assessment Report correspondiente. La concordanciaentre la disposición de los pacientes a recibir nuevos tratamientos y losresultados de los European Public Assessment Reports se evaluó mediantela concordancia absoluta (Ao). Resultados: Se incluyeron 29 participantes y se consultaron 19 EuropeanPublic Assessment Reports diferentes.
Objective: The European Medicines Agencys marketing authorisationcriteria for drugs are reflected in the European Public Assessment Reports.The objective is to describe the expectations and preferences of our oncohematologicaloutpatients with respect to their oral treatments, and toevaluate the concordance with the results of European Public AssessmentReports.Method: A survey of onco-hematological patients expectations andpreferences about overall survival and quality of life was developed, withthree items: expectations on treatment, preferences of benefit and willingnessto receive novel treatments with non-definitive results. European PublicAssessment Reports of the indicated drugs were reviewed. Kappa index(κ) was used to assess the agreement between patients expectations andpreferences respect to the benefit in overall survival and quality of lifedescribed in the corresponding European Public Assessment Report. Concordancebetween willingness of patients to receive novel treatments andEuropean Public Assessment Reports results was evaluated by absoluteagreement (Ao). Results: There were 29 participants, and 19 different European PublicAssessment Reports were consulted. Patients expectations about theirtreatment: 82.1% expected improvement in overall survival and qualityof life; the κ value between expectations and results of European PublicAssessment Reports was 0.091 (confidence interval 95%: 0.025 to0.207). Patients preferences about benefit of their treatment: 92.6% preferredquality of life; the κ value was 0.016 (confidence interval 95%:0.127 to 0.160). Willingness to receive novel treatments: 82.1% participantsdemanded benefit in overall survival or quality of life; exigenceswere met in Ao = 53.6% of patients.