Application of a Novel Endpoint Staging Framework: Proof of Concept in the AMBAR Study.

Background: A theoretical endpoint staging framework was previously developed and published, aligning outcomes (i.e., memory) to the stage of Alzheimer's disease (AD) in which a given outcome is most relevant (i.e., has the greatest risk of degradation). The framework guides the selection of endpoints measuring outcomes relevant within a target AD population. Here, a proof of concept is presented via post-hoc analyses of the Alzheimer Management by Albumin Replacement (AMBAR) Phase 2b clinical trial in patients with AD (NCT01561053, 2012). Objective: To evaluate whether aligning endpoints measuring cognition, function, and quality of life to hypothesized 'target' stages of AD yields magnitudes of treatment efficacy greater than those reported in the AMBAR full analysis set (FAS). Methods: Three endpoints were tested: ADAS-Cog 12, ADCS-ADL, and QoL-AD. The magnitude of treatment efficacy was hypothesized to be maximized in the target stages of mild, mild-to-moderate, and very mild AD, respectively, compared to the full analysis set (FAS) and non-target stages. Results: For ADAS-Cog 12, the magnitude of treatment efficacy was largest in the non-target stage (-4.0, p = 0.0760) compared to target stage and FAS. For ADCS-ADL and QoL-AD, the magnitude of treatment efficacy was largest in the target stage (14.2, p = 0.0003; 2.4, p < 0.0001, respectively) compared to non-target stage and FAS. Conclusions: Findings indicated that evaluating endpoints in the most relevant AD stage can increase the magnitude of the observed treatment efficacy. Evidence provides preliminary proof of concept for the endpoint staging framework.

Toward the optimized assessment of clinical outcomes in studies of novel treatments for Alzheimer's disease.

INTRODUCTION: Alzheimer's disease (AD) is characterized by a progressive decline in cognition and daily function, leading to a greater need for caregiver support. Clinical disease is segmented into a preclinical stage, mild cognitive impairment, and mild, moderate, and severe stages of Alzheimer's dementia. Although AD trials enroll participants at various stages of illness, treatment efficacy is often assessed using endpoints based on measures of outcomes that are held fixed across disease stages. We hypothesize that matching the primary outcomes measured in the endpoint hierarchy to the stage of disease targeted by the trial will increase the likelihood of detecting true treatment benefits. AREAS COVERED: We discuss current approaches to assessing clinical outcomes in AD trials, followed by a consideration of how effect detection can be improved by linking the stage of AD to the endpoints that most likely reflect stage-specific disease progression. EXPERT OPINION: Failing to account for stage-specific relevance and sensitivity of clinical outcomes may be one factor that contributes to trial failures in AD. Given the history of failure, experts have begun to scrutinize the relevance and sensitivity of outcomes as a potentially modifiable barrier to successful trials. To this end, we present a framework for refining trial endpoint selection and evaluation.

The BROADEN study: The design of an observational study to assess the absolute burden of HPV-related head and neck cancers.

BACKGROUND: Persistent human papillomavirus (HPV) infection is an important risk factor for a subset of head and neck cancers (HNCs). However, estimates of the HPV-attributable fraction of oropharyngeal cancers vary greatly, and the proportion is increasing. Growing evidence indicates smaller proportions of oral cavity and laryngeal cancers are also HPV-attributable, but this requires further investigation. The primary objective of the BROADEN study is to estimate the fraction of HNCs attributable to HPV in selected European and Asian countries by anatomic site. Secondary objectives are to determine HPV genotypes involved and to describe primary tumor and patient characteristics by HPV status. METHODS: BROADEN is a non-interventional, cross-sectional study of patients with HNC in China, France, Germany, Italy, Japan, Portugal, and Spain. The HPV-attributable HNC fraction will be determined within pre-defined time-periods (2008-2009, 2013-2014 [China only], 2018-2019). Approximately 9000 patients from an estimated 90 hospitals with reference HNC diagnostic units and local reference pathology laboratories will participate. Sample size estimates were generated by grouped anatomic site (oropharynx, oral cavity, nasopharynx, hypopharynx, and larynx) and country. HPV testing (HPV-DNA and p16 immunohistochemistry [IHC]) will be performed at a central laboratory on formalin-fixed paraffin-embedded tissue samples. All HPV-DNA-positive samples and HPV-DNA-negative/p16 IHC-positive samples, plus 10% of remaining HPV DNA-negative (control) samples will be tested for HPV mRNA. DISCUSSION: BROADEN is a large global epidemiologic study to estimate current and recent past HPV burden in oropharyngeal and non-oropharyngeal HNCs. BROADEN is expected to provide robust estimates of HPV attributability by anatomic site in participating countries.

Complicated carbapenem-resistant infections: a treatment pathway analysis in Italian sites.

INTRODUCTION: Efforts to curb a growing prevalence of carbapenem resistance are prominent worldwide and especially in countries where high levels of carbapenem resistance are reported, such as Italy. Complicated infections, including complicated urinary tract infections (cUTI), complicated intra-abdominal infections (cIAI), and hospital-acquired/ventilator-associated bacterial pneumonia (HABP/VABP), are often caused by carbapenem-resistant Gram-negative (CRGN) bacteria and as such, these infection sites and their causative bacteria are important areas of focus for healthcare practitioners seeking to follow good antimicrobial stewardship practices. The aim of this study was to assess the clinical management and associated clinical and economic outcomes of patients with cUTI, cIAI, and HABP/VABP resulting from CRGN bacteria in Italy. METHODS: We first conducted a hospital survey focusing on Gram-negative infections and their antibacterial susceptibility profile in four participating Italian hospitals. The second part of the study involved a non-interventional, retrospective single cohort chart review of 100 patients with cUTI, cIAI, or HABP/VABP caused by CRGN bacteria, in which patient characteristics, index hospitalization characteristics, infection characteristics, patient outcomes, treatment pathways, and healthcare resource use were assessed. RESULTS: The hospital survey demonstrated carbapenem resistance in approximately 17% of complicated infections, mostly associated with Acinetobacter baumannii. The non-interventional, retrospective cohort component showed that complicated CRGN infections were hospital- or healthcare-acquired in 99.0% of cases and were most often caused by Klebsiella pneumoniae (66.0%). Despite the carbapenem-resistant nature of the included infections, carbapenems were used in 19.0% of patients as empirical therapy, in 43.0% as late empirical (i.e. immediately before receipt of susceptibility test results), and in 64.0% as targeted therapy (post-susceptibility test result receipt). Colistin was used in 61.0% of patients after susceptibility results were available. High clinical and economic burden was evident, with the average length of hospital stay being greater than 50 days, clinical cure achievement in only 43.0% of patients, and an overall mortality rate of 65.0% by the end of the follow-up period. CONCLUSION: Our results reflect the considerable burden associated with complicated CRGN infections in Italy and the limitations in current treatment strategies. Our study pinpoints potential areas for improvement. For example, regular and detailed local surveillance and state of the art microbial diagnostic capabilities might aid and hasten clinical decision-making and facilitate improved antimicrobial stewardship when treating complex CRGN infections. New therapeutic options which more appropriately address CRGN infections may assist in improving outcomes which are important to both patients and healthcare providers.

Real-world treatment patterns, healthcare resource use and clinical outcomes of patients receiving second line therapy for advanced or metastatic gastric cancer.

BACKGROUND: Second-line (2 L) chemotherapies for advanced or metastatic gastric cancer have shown improved survival but there is no commonly accepted standard of care. This study examines real-world patient characteristics, treatment patterns, healthcare resource use (HCRU) and clinical outcomes in this setting. METHODS: Retrospective chart reviews were performed at participating institutions from Australia, Canada, Italy and UK for adult patients receiving 2 L treatment for advanced/metastatic disease from January 2013 to July 2015. Data were collected for 12 months or until death. RESULTS: Two hundred eighty patients were included, mean age was 60.9 years and 68.9% were male. Half (51.8%) received monotherapy in 2 L, of whom 69.0% received taxanes. Irinotecan monotherapy was common in Australia (30.0% of monotherapy patients) and Canada (43.8%), but infrequent in Italy and UK. Doublet chemotherapy was used in 36.4% of 2 L patients, most commonly fluoropyrimidine + irinotecan. Use of targeted therapies (trastuzumab, ramucirumab) was infrequent except in Italy. Estimated median real-world progression-free survival (rwPFS) and real-world overall survival (rwOS) from the time of 2 L treatment initiation was 3.09 (95% CI: 2.76-3.68) and 6.54 (5.29-7.76) months, respectively, and estimated 12-month rwPFS and rwOS rate was 8 and 26%, respectively. Only a minority (26.8%) of patients were hospitalized during the follow-up period, with the lowest hospitalization in Italy (16.7%). Laboratory and imaging tests were performed for 93.2 and 70.4%, respectively. CONCLUSIONS: About half of patients received monotherapy as 2 L chemotherapy for advanced/metastatic gastric cancer and a third received doublets. Real-world clinical outcomes for 2 L treatment are poor and HCRU is considerable.

Systematic Review of Tumor Necrosis Factor Antagonists in Extraintestinal Manifestations in Inflammatory Bowel Disease.

BACKGROUND & AIMS: This systematic review investigated the efficacy and the effectiveness of biologic drugs in extraintestinal manifestations (EIMs) in inflammatory bowel disease (IBD). METHODS: Literature search was conducted in PubMed, Embase, and Cochrane until October 2015. Main inclusion criteria were adults with IBD, use of a biologic drug, evolution of EIMs, interventional study, or non-interventional study. RESULTS: Nine interventional studies (2 randomized controlled trials [N = 797], 7 open label trials [N = 1143], and 13 non-interventional studies [N = 914]) were included. Tumor necrosis factor (TNF) antagonists achieved complete response for pyoderma gangrenosum in 21%-25% of patients in interventional studies and in 92%-100% patients in non-interventional studies, with similar results for other cutaneous manifestations such as erythema nodosum or stomatitis. Adalimumab significantly reduced the prevalence of anemia vs placebo after 56 weeks in 1 randomized controlled trial. In 2 non-interventional studies, anti-TNF therapy improved anemia in the short-term (67%) and in the long-term (34%). Complete response after anti-TNF treatment was reported in interventional studies, including arthralgia (reduction in prevalence from 47.1% to 26.8% in the mid-term in 1 open label trial) and arthritis (reduction in prevalence from 8.7% to 2.1% and from 58% to 12.5% in 2 open label trials). Anti-TNFs were beneficial for a majority of patients with ocular manifestations. Infliximab was associated with improved outcomes in bone formation and bone mineral density. CONCLUSIONS: Anti-TNFs appear to be effective alternatives for certain EIMs associated with IBD including musculoskeletal, cutaneous, and ocular manifestations, and some beneficial effect may be obtained in metabolic bone disease and on hematologic or vascular EIMs.

[Duration of the Reimbursement Process in Spain for Innovative Drugs Approved by the European Medicines Agency during the Period 2008-2013]. / Duración del proceso de financiación en España de los fármacos innovadores aprobados por la Agencia Europea del Medicamento: 2008-2013.

BACKGROUND: In Spain, the decision of Price and Reimbursement (P&R) of a new drug must be taken between 180-270 days. The objective of this study was to assess the reimbursement timing in Spain for innovative drugs approved by the European Medicines Agency (EMA) between January 2008 and December 2013 and to explore the potential impact of drug's price on this time. METHODS: Drugs approved were extracted from EMA's website, authorization dates in Spain from the Spanish Agency (AEMPS) and, P&R dates and prices from Nomenclátor and BotPlus. Depending on days from approval to reimbursement, drugs were quick (<180), on time (180-270) and delayed (>270). Depending on posology: chronic or acute. Depending on dispensing conditions: retail or hospital drugs. It was calculated: median, maximum, minimum, first, and third quartiles of time until reimbursement. RESULTS: 431 drugs were approved by EMA; 285 were innovative, from them 147 were approved by the AEMPS and reimbursed: 103 chronic and 44 acute. Median price/day was €2.44 for chronic and €21 for acute. From 2008-2011, 80% of drugs were reimbursed, in 2012 21% and in 2013 17%. Time from approval to reimbursement move from 230 days in 2009 to 431 days in 2013. From the 139 drugs with reimbursement date 33 were quick, 44 on time and 62 delayed. CONCLUSIONS: The median time from approval by the EMA of innovative drugs since the reimbursement in Spain in 2013 is double that of 2008. The main driver of delays in the process of P&R seems to be the budget impact of the drug instead of its unit price.

Duración del proceso de financiación en España de los fármacos innovadores aprobados por la Agencia Europea del Medicamento. 2008-2013 / Duration of the reimbursement process in Spain for innovative drugs approved by the European Medicines Agency during the period 2008-2013

Fundamentos: En España la decisión de precio y financiación (PyF) de un nuevo medicamento debe tomarse entre 180 y 270 días. El objetivo de este estudio fue valorar el tiempo hasta la financiación en España de los medicamentos innovadores aprobados por la Agencia Europea de Medicamentos (EMA) entre enero 2008 y diciembre 2013 y explorar el impacto potencial del precio del fármaco sobre este tiempo. Métodos: Los medicamentos aprobados se obtuvieron de la web de la EMA, las fechas de autorización de la Agencia Española del Medicamento (AEMPS) y las fechas del PyF y los precios del Nomenclátor y BotPlus. Según los días desde la aprobación hasta la financiación se clasificó a los medicamentos en rápidos (<180), en plazo (180-270) y con demora (>270). Según la duración del tratamiento en crónicos o agudos. Y según las condiciones de dispensación: de farmacia u hospital. Del tiempo transcurrido hasta la financiación, se calculó la mediana, el máximo, el mínimo así como el primer y tercer cuartiles. Resultados: Durante el período de estudio fueron aprobados por la EMA 431 medicamentos, de los cuales 285 eran innovadores. De estos 147 fueron aprobados por la AEMPS y financiados: 103 para tratamientos crónicos y 44 para agudos. La mediana del precio/día fue de 2,44€ para crónicos y 21€ para agudos. De 2008-2011 fueron financiados el 80% , en 2012 el 21% y en 2013 el 17%. El tiempo hasta la financiación pasó de 230 días en 2009 a 431 en 2013. Los 139 medicamentos con fecha de financiación fueron: 33 rápidos, 44 en plazo y 62 con demora. Conclusiones: La mediana del tiempo desde la aprobación por la EMA de los medicamentos innovadores hasta su financiación en España en 2013 es el doble que en 2008. El motor principal de los retrasos en el proceso de PyF parece ser el impacto presupuestario del fármaco más que su precio unitario (AU)

Background: In Spain, the decision of Price and Reimbursement (P&R) of a new drug must be taken between 180-270 days. The objective of this study was to assess the reimbursement timing in Spain for innovative drugs approved by the European Medicines Agency (EMA) between January 2008 and December 2013 and to explore the potential impact of drug’s price on this time. Methods: Drugs approved were extracted from EMA’s website, authorization dates in Spain from the Spanish Agency (AEMPS) and, P&R dates and prices from Nomenclátor and BotPlus. Depending on days from approval to reimbursement, drugs were quick (<180), on time (180-270) and delayed (>270). Depending on posology: chronic or acute. Depending on dispensing conditions: retail or hospital drugs. It was calculated: median, maximum, minimum, first, and third quartiles of time until reimbursement. Results: 431 drugs were approved by EMA; 285 were innovative, from them 147 were approved by the AEMPS and reimbursed: 103 chronic and 44 acute. Median price/day was €2.44 for chronic and €21 for acute. From 2008-2011, 80% of drugs were reimbursed, in 2012 21% and in 2013 17%. Time from approval to reimbursement move from 230 days in 2009 to 431 days in 2013. From the 139 drugs with reimbursement date 33 were quick, 44 on time and 62 delayed. Conclusions: The median time from approval by the EMA of innovative drugs since the reimbursement in Spain in 2013 is double that of 2008. The main driver of delays in the process of P&R seems to be the budget impact of the drug instead of its unit price (AU)

A review of cost-effectiveness evaluations as part of national health technology assessments of biologic DMARDs in the treatment of rheumatoid arthritis.

Rheumatoid arthritis (RA) is an autoimmune chronic disease which is associated with an increasing disability in patients and high socioeconomic burden. Given the large number of economic evaluations considered by national health technology assessments (HTAs), this review attempts to clarify whether results from biologic disease-modifying antirheumatic drugs (DMARDs) economic evaluations form the basis of official recommendation by national HTA agencies in Australia, Canada, Scotland and England. The results show that evidence of cost-effectiveness was not equally perceived by decision makers and did not have equal weightage in defining the official listing of biologic DMARDs for the treatment of RA. As it has been demonstrated in previous studies, major barriers exist for the integration of cost-effectiveness and cost-utility results with national HTA activity. In fact, as shown in this review, even when such analysis are available, cost-minimization and comparative effectiveness studies seemed to be preferred by some HTA agencies as tools to inform allocation of healthcare resources.

Olive oil consumption, BMI, and risk of obesity in Spanish adults.

BACKGROUND: Olive oil is an energy-dense food frequently consumed in south European countries with increasingly high obesity prevalence. Evidence of the impact of olive oil consumption on BMI and the risk of obesity is limited. We analyzed this association taking into consideration the problem of energy underreporting. METHODS: Cross-sectional data on 6,352 Spanish adults were analyzed. Dietary intake was assessed using a validated food frequency questionnaire. Height and weight were measured. RESULTS: Higher olive oil consumption was not associated with energy compensation in the overall diet. Olive oil consumption was positively associated (p < 0.004) with BMI in non-energy-adjusted multivariate linear regression models. Statistical significance of this association disappeared after controlling for energy intake in plausible energy intake reporters. The obesity risk increased for olive oil consumption of more than 2 tablespoons/day in both plausible energy intake reporters (odds ratio 1.30 (95% CI 1.01-1.70)) and energy intake underreporters (odds ratio 3.06 (95% CI 2.15-4.35)). This association was not significant after additional adjustment for energy intake (odds ratio 1.19 (95% CI 0.91-1.56)) in plausible energy intake reporters. CONCLUSION: Olive oil intake did not affect BMI and the risk of obesity after adjustment for total energy intake in plausible energy intake reporters. The lack of energy intake compensation for olive oil consumption might explain the positive associations in models not adjusted for energy.

Novetats farmacològiques en pediatria a Espanya: any 2009 / No disponible

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