Objectives: Since 2015, Zorginstituut Nederland (ZIN) has linked disease severity ranges of 0.10 to 0.40, 0.41 to 0.70, and 0.71 to 1.00 with willingness-to-pay (WTP) reference values of V20 000, V50 000, and V80 000 per quality-adjusted life year gained, respectively. We sought to review whether these changes have affected ZIN health technology assessment (HTA) outcomes for specialist and outpatient drugs.Methods: ZIN recommendations for specialist and outpatient drugs published between January 1, 2012, and December 31, 2020, that included a pharmacoeconomic report were reviewed. Data were extracted on disease severity, proportional shortfall calculation, reported WTP reference value, outcomes related to the cost-effectiveness of the product, budget impact, and ZIN's recommendation including rationale for their advice.Results: A total of 51 HTAs were included. Of the 20 HTAs published before June 2015, a total of 9 received positive recommendations, 7 were conditionally reimbursed, and 4 received negative recommendations. None reported WTP reference values. Of the 31 evaluations published after June 2015, a total of 4 products received positive recommendations, 1 was conditionally approved, and 26 received negative recommendations initially. Most products (65%) reported disease severity to be .0.70.Conclusions: Since 2015, most products have fallen within the highest category of disease severity. Although pre-2015 outcomes were varied, post-2015 products overwhelmingly received negative recommendations, and the proportion of products for which price negotiations were recommended has increased. These differences in outcomes may result from the introduction of an explicit WTP reference value, whether or not in combination with the severity-adjusted ranges, but may also reflect other national policy changes in 2015.
Background Non-dystrophic myotonias (NDMs) comprise muscle chloride and sodium channelopathies due to genetic defects of the CLCN1- and SCN4A-channels. No licensed antimyotonic treatment has been available until approval of mexiletine (NaMuscla®) for adult patients by the EMA in December 2018. This Delphi panel aimed to understand how outcomes of the pivotal phase III Mexiletine study (MYOMEX) translate to real world practice and investigate health resource use, quality of life and the natural history of NDM to support economic modelling and facilitate patient access. Methods Nine clinical experts in treating NDM took part in a two-round Delphi panel. Their knowledge of NDM and previous use of mexiletine as an off-label treatment prior to NaMuscla’s approval ensured they could provide both qualitative context and quantitative estimates to support economic modelling comparing mexiletine (NaMuscla) to best supportive care. Consensus in four key areas was sought: healthcare resource utilization (HRU), treatment with mexiletine (NaMuscla), patient quality of life (QoL), and the natural history of disease. Concept questions were also asked, considering perceptions on the feasibility of mapping the validated Individualized Neuromuscular Quality of Life (INQoL) instrument to the generic EQ-5D™, and the potential impact on caregiver QoL. Results Consensus was achieved for key questions including the average long-term dosage of mexiletine (NaMuscla) in practice, the criteria for eligibility of myotonia treatment, the clinical importance of QoL outcomes in MYOMEX, the higher proportion of patients with increased QoL, and the reduction in the need for mental health resources for patients receiving mexiletine (NaMuscla). While consensus was not achieved for other questions, the results demonstrated that most experts felt mexiletine (NaMuscla) reduced the need for HRU and was expected to improve QoL. The QoL mapping exercise suggested that it is feasible to map domains of INQoL to EQ-5D. Points of interest for future research were identified, including that mexiletine (NaMuscla) may slow the annual decrease in QoL of patients over their lifetime, and a significant negative impact on QoL for some caregivers. Conclusions This project successfully provided data from an informed group of clinical experts, complementing the currently available clinical trial data for mexiletine (NaMuscla) to support patient access decisions.
Background This study used quantitative and qualitative research methods to analyze how acute hepatic porphyria (AHP) affects patients with varying annualized porphyria attack rates. The overall impact of AHP on patients and caregivers, including their quality of life, was explored. The nature and treatment of acute attacks, experiences of long-term heme arginate treatment and access to other appropriate treatment, and the extent of and treatment for chronic symptoms were also investigated within this study. Methods Patient and caregiver data were collected via an online survey of members of the British Porphyria Association, followed by an optional 1-h telephone interview. Results Thirty-eight patients and 10 caregivers responded to the survey. Of those, 10 patients and three caregivers completed follow-up interviews. Overall, 19 patients (50%) had experienced an acute attack within the previous 2 years, and the severity and types of symptoms experienced during or between acute attacks varied considerably. There were no clear definitions among patients for ‘mild’ or ‘severe’ attacks. Treatments and treatment settings used to manage attacks also varied. Following unsatisfactory care experiences at hospitals, some patients reported avoiding further hospital services for later attacks. Therefore, using settings of care as a measure of attack severity should be avoided. Ninety-four percent of patients also experienced chronic symptoms, which were as varied as acute attacks. Pain was the predominant chronic symptom and was managed with opioids in severe cases. Regardless of AAR, porphyria heavily impacted the daily lives of patients and caregivers. Although patients experiencing frequent attacks generally endured a greater impact on their daily life, patients with less frequent attacks also experienced impacts on all domains (social, leisure activities, relationship with family, relationships, psychological wellbeing, finances, employment, and study). Caregivers were most affected in the finance, relationships with family, and employment domains, and just over half of the caregivers reported a moderate impact on their psychological wellbeing. Conclusions/implications The burden of illness with AHP is high across all patients, regardless of frequency of attacks, and AHP negatively affects patients and caregivers alike.
Objectives: Clinician reported outcomes (ClinRO's) are often crucial primary endpoints in therapeutic areas where objective clinical assessments are unavailable or infeasible and are routinely used in dermatology clinical trials. Due to the nature and presentation of dermatological symptoms, there is a need for standardized training and assessment in an attempt to reduce variability of subjective ratings and increase data quality. This study assessed the impact of standardising clinician (rater) training on a dermatology outcome measure. Methods: Clinicians were to visually assess severity of dermatological conditions in human examples using a Clinician-Reported Severity Scale ranging from 0 (none), 1 (almost none), 2 (mild), 3 (moderate) to 4 (Severe). Clinician ratings were obtained on example photographic images and on human models. Ratings were recorded for pre-training and post-training and compared to the consensus of an expert panel. Results: 94 clinicians' scores were compared to those from an expert panel through weighted kappa analyses. Pretraining kappa coefficients ranged from 0.33 to 1.00 with a mean of 0.87 and standard deviation of 0.10. Post-training kappa coefficients ranged from 0.90 to 0.98 with a mean of 0.96 and standard deviation of 0.02. A paired t-test comparing pre-and post-training kappa coefficients found a significant increase: M D = 0.09, 95% CI [0.07, 0.11]. t(93) = 8.54, p , .001. Conclusions: Dermatology clinical trials often rely on subjective ClinRO's as common endpoint measures. This research supports that standardization of rater training can help greatly improve data quality of ClinRO's in dermatology clinical trials.
criteria. The step-by-step process and interdependencies between stakeholders under FIBS were implemented in Anylogic, to simulate a counterfactual ideal level of biosimilars utilization over time for all patients on infliximab, etanercept, rituximab,
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