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Ponzano M, Signori A, Bellavia A, Carbone A, Bovis F, Schiavetti I, Montobbio N, Sormani MP. Race and ethnicity in multiple sclerosis phase 3 clinical trials: A systematic review. Mult Scler 2024:13524585241254283. [PMID: 38849992 DOI: 10.1177/13524585241254283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2024]
Abstract
BACKGROUND Distinctive differences in multiple sclerosis (MS) have been observed by race and ethnicity. We aim to (1) assess how often race and ethnicity were reported in clinical trials registered on ClinicalTrials.gov, (2) evaluate whether the population was diverse enough, and (3) compare with publications. METHODS We included phase 3 clinical trials registered with results on ClinicalTrials.gov between 2007 and 2023. When race and/or ethnicity were reported, we searched for the corresponding publications. RESULTS Out of the 99 included studies, 56% reported race and/or ethnicity, of which only 26% of those primarily completed before 2017. Studies reporting race or ethnicity contributed to a total of 33,891 participants, mainly enrolled in Eastern Europe. Most were White (93%), and the median percentage of White participants was 93% (interquartile range (IQR) = 86%-98%), compared to 3% for Black (IQR = 1%-12%) and 0.2% for Asian (IQR = 0%-1%). Four trials omitted race and ethnicity in publications and even when information was reported, some discrepancies in terminology were identified and categories with fewer participants were often collapsed. CONCLUSION More efforts should be done to improve transparency, accuracy, and representativeness, in publications and at a design phase, by addressing social determinants of health that historically limit the enrollment of underrepresented population.
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Affiliation(s)
- Marta Ponzano
- Department of Health Sciences, University of Genoa, Genoa, Italy
| | - Alessio Signori
- Department of Health Sciences, University of Genoa, Genoa, Italy
| | - Andrea Bellavia
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Alessio Carbone
- Department of Health Sciences, University of Genoa, Genoa, Italy
| | - Francesca Bovis
- Department of Health Sciences, University of Genoa, Genoa, Italy
| | - Irene Schiavetti
- Department of Health Sciences, University of Genoa, Genoa, Italy
| | - Noemi Montobbio
- Department of Health Sciences, University of Genoa, Genoa, Italy
| | - Maria Pia Sormani
- Department of Health Sciences, University of Genoa, Genoa, Italy; Ospedale Policlinico San Martino IRCCS, Genoa, Italy
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Zhang E, Tian X, Li R, Chen C, Li M, Ma L, Wei R, Zhou Y, Cui Y. Dalfampridine in the treatment of multiple sclerosis: a meta-analysis of randomised controlled trials. Orphanet J Rare Dis 2021; 16:87. [PMID: 33588903 PMCID: PMC7885571 DOI: 10.1186/s13023-021-01694-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 01/17/2021] [Indexed: 11/17/2022] Open
Abstract
Background Multiple sclerosis (MS) is a chronic illness involving the central nervous system (CNS) that is characterised by inflammation, demyelination, and degenerative changes. Dalfampridine is one of the available treatments for MS symptoms and comorbidities. This meta-analysis aimed to assess the safety and benefits of dalfampridine versus placebo in MS by summarising data deriving from previously published clinical randomised controlled studies (RCTs). Results A total of 9 RCTs were included in this meta-analysis, involving 1691 participants. There were significant differences between dalfampridine and placebo in terms of decreased 12-item Multiple Sclerosis Walking Scale score (weighted mean difference [WMD] = − 3.68, 95% confidence interval [CI] [− 5.55, − 1.80], p = 0.0001), improved response to the timed 25-foot walk test (relative risk [RR] = 2.57, 95% CI [1.04, 6.33], p = 0.04), increased 6-min walk test (WMD = 18.40, 95% CI [1.30, 35.51], p = 0.03), increased 9-Hole Peg Test score (WMD = 1.33, 95% CI [0.60, 2.05], p = 0.0004), and increased Symbol Digit Modalities Test score (WMD = 4.47, 95% CI [3.91, 5.02], p < 0.00001). Significant differences in the incidence of side effects were also observed (RR = 1.12, 95% CI [1.04, 1.21], p = 0.002). Conclusion Dalfampridine exerts positive effects on walking ability, finger dexterity, and cognitive function. Treatment should be administered under the guidance of a physician or pharmacist given the higher incidence of adverse events.
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Affiliation(s)
- Enyao Zhang
- Department of Pharmacy, Peking University First Hospital, 6 Dahongluochang Street, Xicheng District, Beijing, 100034, China.,Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Science, Peking University, Beijing, China
| | - Xin Tian
- Department of Pharmacy, Peking University First Hospital, 6 Dahongluochang Street, Xicheng District, Beijing, 100034, China.,Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Science, Peking University, Beijing, China
| | - Ruoming Li
- Department of Pharmacy, Peking University First Hospital, 6 Dahongluochang Street, Xicheng District, Beijing, 100034, China.,Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Science, Peking University, Beijing, China
| | - Chaoyang Chen
- Department of Pharmacy, Peking University First Hospital, 6 Dahongluochang Street, Xicheng District, Beijing, 100034, China.,Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Science, Peking University, Beijing, China
| | - Min Li
- Department of Pharmacy, Peking University First Hospital, 6 Dahongluochang Street, Xicheng District, Beijing, 100034, China.,Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Science, Peking University, Beijing, China
| | - Lingyun Ma
- Department of Pharmacy, Peking University First Hospital, 6 Dahongluochang Street, Xicheng District, Beijing, 100034, China.,Department of Pharmacy Administration and Clinical Pharmacy, School of Pharmaceutical Science, Peking University, Beijing, China
| | - Ran Wei
- Department of Pharmacy, Peking University First Hospital, 6 Dahongluochang Street, Xicheng District, Beijing, 100034, China
| | - Ying Zhou
- Department of Pharmacy, Peking University First Hospital, 6 Dahongluochang Street, Xicheng District, Beijing, 100034, China.
| | - Yimin Cui
- Department of Pharmacy, Peking University First Hospital, 6 Dahongluochang Street, Xicheng District, Beijing, 100034, China.
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Valet M, Quoilin M, Lejeune T, Stoquart G, Van Pesch V, El Sankari S, Detrembleur C, Warlop T. Effects of Fampridine in People with Multiple Sclerosis: A Systematic Review and Meta-analysis. CNS Drugs 2019; 33:1087-1099. [PMID: 31612418 DOI: 10.1007/s40263-019-00671-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND Prolonged-release (PR) fampridine is a potassium channel blocker used as a symptomatic treatment for walking disability in patients with multiple sclerosis (MS). Its clinical effects in such patients have not been systematically reviewed, and may be more wide-ranging than expected. OBJECTIVES To summarize the evidence on the effects of PR fampridine in patients with MS. METHODS A systematic search of Pubmed, Scopus (including EMBASE), and PsycINFO (completed in 01/2019) was carried out to identify randomized controlled trials (RCT) that compared PR fampridine to placebo. When appropriate, data were pooled using a random-effects model, and standardized mean differences (SMD) were computed. Study quality was assessed using the Downs and Black checklist. PRISMA guidelines were followed. All retrieved functional outcomes were categorized according to the International Classification of Functioning, Disability and Health (ICF). RESULTS A total of 706 articles were screened for inclusion. Twenty RCTs involving 2616 patients met the eligibility criteria. Most studies were of good-to-excellent quality. PR fampridine administration resulted in significant benefits in relation to walking short distances (SMD: 1.23 (95% IC 0.65-1.81)) and perceived walking capacity (0.64 (0.27-1.02)). Its effects on muscle strength and middle-distance walking were not significant (0.53 (- 0.04 to 1.10) and 0.31 (- 0.18 to 0.80), respectively). No effect on higher-level cognitive functions (- 0.07 (- 0.58 to 0.45)) or hand and arm use (0.16 (- 0.33 to 0.64)) was observed. Individual studies reported effects on other outcomes across the ICF domains. CONCLUSIONS There is strong evidence that PR fampridine exerts strong effects on the ability to walk short distances and on perceived walking capacity. Other effects of PR fampridine according to the ICF are possible but still unclear.
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Affiliation(s)
- Maxime Valet
- Service de Médecine Physique et de Réadaptation, Cliniques universitaires Saint-Luc, Avenue Hippocrate 10, 1200, Brussels, Belgium. .,Neuromusculoskeletal Lab (NMSK), Secteur des Sciences de la Santé, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Avenue Mounier 53, 1200, Brussels, Belgium.
| | - Mélanie Quoilin
- Service de Médecine Physique et de Réadaptation, Cliniques universitaires Saint-Luc, Avenue Hippocrate 10, 1200, Brussels, Belgium
| | - Thierry Lejeune
- Service de Médecine Physique et de Réadaptation, Cliniques universitaires Saint-Luc, Avenue Hippocrate 10, 1200, Brussels, Belgium.,Neuromusculoskeletal Lab (NMSK), Secteur des Sciences de la Santé, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Avenue Mounier 53, 1200, Brussels, Belgium
| | - Gaëtan Stoquart
- Service de Médecine Physique et de Réadaptation, Cliniques universitaires Saint-Luc, Avenue Hippocrate 10, 1200, Brussels, Belgium.,Neuromusculoskeletal Lab (NMSK), Secteur des Sciences de la Santé, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Avenue Mounier 53, 1200, Brussels, Belgium
| | - Vincent Van Pesch
- Service de Neurologie, Cliniques universitaires Saint-Luc, Avenue Hippocrate 10, 1200, Brussels, Belgium.,Institute of Neuroscience (IoNS) - Pôle CEMO (Cellular and Molecular), Secteur des Sciences de la Santé, Université catholique de Louvain, Avenue Mounier 53, 1200, Brussels, Belgium
| | - Souraya El Sankari
- Service de Neurologie, Cliniques universitaires Saint-Luc, Avenue Hippocrate 10, 1200, Brussels, Belgium.,Institute of Neuroscience (IoNS) - Pôle NEUR (Clinical Neuroscience), Secteur des Sciences de la Santé, Université catholique de Louvain, Avenue Mounier 53, 1200, Brussels, Belgium
| | - Christine Detrembleur
- Neuromusculoskeletal Lab (NMSK), Secteur des Sciences de la Santé, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Avenue Mounier 53, 1200, Brussels, Belgium
| | - Thibault Warlop
- Neuromusculoskeletal Lab (NMSK), Secteur des Sciences de la Santé, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Avenue Mounier 53, 1200, Brussels, Belgium.,Service de Neurologie, Cliniques universitaires Saint-Luc, Avenue Hippocrate 10, 1200, Brussels, Belgium
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Study on Dalfampridine in the treatment of Multiple Sclerosis Mobility Disability: A meta-analysis. PLoS One 2019; 14:e0222288. [PMID: 31513613 PMCID: PMC6742383 DOI: 10.1371/journal.pone.0222288] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Accepted: 08/26/2019] [Indexed: 11/19/2022] Open
Abstract
Objective Systematic Review was used to evaluate the efficacy and safety of Dalfampridine (DAP) in the treatment of Mobility Disability (MS) in patients with Multiple Sclerosis. Methods Clinical randomized controlled studies about DAP and placebo in the treatment of Mobility Disability in patients with Multiple Sclerosis until March 2019 were explored by searching Embase, PubMed, Cochrane, Web of Knowledge, and ClinicalTrials.gov. Literature screening, data extraction, quality assessment, and statistical analysis were performed by using Stata 14.0. Results 10 papers were included in the meta-analysis, and the number of patients was 2100. In conclusion, the application of DAP in clinical can significantly improve the Mobility Disability of patients [OR = 2.73, 95%CI (1.66, 4.50), P<0.001, I2 = 74.1%] and boost the mobility speed of patients in Timing 24 Minute Walk Test (T24FW) [SMD = 3,08, 95%CI(1,58, 4.58), P<0.001, I2 = 98.7%]. There are no significant differences of the incidence of adverse events [RR = 1.06, 95%CI (0.99, 1.14), P = 0.928, I2 = 0.0%] and urinary tract infection [RR = 1.21, 95%CI(0.91, 1.60), P = 0.145, I2 = 37.2%] between the DAP test group (Doses≤10 mg) and the placebo control group, and the incidence of adverse events [RR = 1.14, 95%CI(1.02, 1.28), P = 0.793, I2 = 0.0%] and urinary tract infection[RR = 3.05, 95%CI(1.04, 8.99), P = 0.680, I2 = 0.0%] for the DAP test group (Doses>10 mg) is a litter higher than the placebo control group. Conclusion DAP can effectively improve Mobility Disability in patients with Multiple Sclerosis, which is safe and reliable in specific DAP usage doses.
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Foschi M, Lugaresi A. Evaluating dalfampridine for the treatment of relapsing-remitting multiple sclerosis: does it add to the treatment armamentarium? Expert Opin Pharmacother 2019; 20:1309-1320. [PMID: 31237780 DOI: 10.1080/14656566.2019.1623879] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Introduction: Multiple sclerosis (MS) is a demyelinating disease, causing axonal damage and disability. Dalfampridine (DAL) is an extended-release formulation of 4-aminopyridine (4AP) and broad-spectrum voltage-dependent potassium channel blocker that is reported to improve motor, visual and cognitive functions. Furthermore, it is presently the only approved drug for walking impairment in MS. Areas covered: Herein, the authors evaluate DAL as a relapsing-remitting MS treatment, reporting and commenting on all aspects of the drug including its chemistry, safety, pharmacokinetics, and cost-effectiveness. A bibliographic search was performed on PubMed using the terms 'dalfampridine OR fampridine OR 4-aminopyridine'. Expert opinion: Evidence from post-marketing studies suggests that DAL, consistent with the effects of 4AP, may not only improve walking speed, but also arm function, fatigue, mood and cognition through restored nerve conduction in central nervous system demyelinated areas. Long-term safety data confirm that the approved dose of 10 mg twice daily is generally well tolerated. However, despite the reported efficacy, the extent of the benefits is limited in real life activities, although significant improvements have been demonstrated in the clinical setting. Patients often complain of side effects (such as cramps and painful paraesthesia) or lack of efficacy. Also, its considerably higher pricing in comparison to 4AP represents an important limitation.
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Affiliation(s)
- Matteo Foschi
- a Dipartimento di Scienze Biomediche e Neuromotorie , Università di Bologna , Bologna , Italy
| | - Alessandra Lugaresi
- a Dipartimento di Scienze Biomediche e Neuromotorie , Università di Bologna , Bologna , Italy.,b IRCCS Istituto delle Scienze Neurologiche di Bologna , UOSI Riabilitazione Sclerosi Multipla , Bologna , Italy
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Abstract
INTRODUCTION Mobility disability is one of the most widespread and impactful consequences of multiple sclerosis (MS). Disease modifying drugs (DMDs) may delay the progression of disability over time; however, there is minimal evidence supporting the efficacy of DMDs for reversing mobility disability or restoring ambulatory function in persons with MS. Areas covered: This review outlines symptomatic pharmacologic and non-pharmacologic therapeutic approaches that target mobility disability with the goal of restoring and improving walking function. First, the efficacy of dalfampridine, currently the only Food and Drug Administration approved symptomatic pharmacologic agent that improves walking in persons with MS is described. Next, a review of the efficacy of non-pharmacologic therapies for improving walking, including exercise training, physical therapy, and gait training is given. Last, guidance on future research on mobility in MS is provided by emphasizing the importance of combinatory treatment approaches that include multiple intervention modalities, as the best treatment plan likely involves a comprehensive, multidisciplinary approach. Expert commentary: There has been an increased effort to develop symptom-specific treatments in MS that directly target mobility disability; however, more research is needed to determine the efficacy of these rehabilitative strategies alone and together for improving walking in persons with MS.
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Affiliation(s)
- Jessica F. Baird
- Department of Physical Therapy, University of Alabama at Birmingham, Birmingham, AL, USA
- UAB Center for Exercise Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Brian M. Sandroff
- Department of Physical Therapy, University of Alabama at Birmingham, Birmingham, AL, USA
- UAB Center for Exercise Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Robert W. Motl
- Department of Physical Therapy, University of Alabama at Birmingham, Birmingham, AL, USA
- UAB Center for Exercise Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
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Abstract
PURPOSE OF REVIEW Many therapeutic advances for relapsing-remitting multiple sclerosis (MS) have occurred in the past 25 years. Although similar advances in disease-modifying therapies have not been realized in progressive MS, many symptomatic therapeutic strategies can benefit patients with progressive MS. Few guidelines exist for management of patients with progressive MS. RECENT FINDINGS The classification of progressive MS was revised in 2013 to include a description of inflammatory disease activity determined by clinical relapses or imaging findings. Developing knowledge about the pathogenesis of progressive MS and the role of comorbidities in modifying the disease course has implications for the clinical management of patients with progressive MS as well as for clinical trial design. Current and upcoming clinical trials will assess a wide range of interventions, including immunomodulatory agents, putative neuroprotective molecules, stem cell therapy, nutrition, and rehabilitation techniques. SUMMARY None of the therapies currently approved for use in relapsing-remitting MS have been shown to slow the gradual progression of disability that occurs in the absence of recent relapses or changes in MRI. A multidisciplinary approach is needed to address the many symptoms that impact quality of life for patients with progressive MS.
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Fampridine Prolonged Release: A Review in Multiple Sclerosis Patients with Walking Disability. Drugs 2017; 77:1593-1602. [PMID: 28864863 DOI: 10.1007/s40265-017-0808-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Oral fampridine prolonged release (PR) [Fampyra®] is a lipid-soluble selective potassium channel blocker that is approved in the EU for the improvement of walking in adult multiple sclerosis (MS) patients with walking disability (expanded disability status scale score of 4-7). In clinical trials (MS-F203 and MS-F204) using an objective measure of walking improvement [the timed 25-foot walk (T25FW)], more than one-third of patients receiving fampridine PR achieved a consistent on-treatment improvement in walking speed (i.e. became TW responders) over 9-14 weeks of treatment. Fampridine PR recipients who fulfilled the definition of TW responder had mean improvements of ≈25% from baseline in T25FW walking speed. In a clinical trial (ENHANCE) that used a patient-rated measure of walking improvement [12-item MS walking scale (MSWS-12)], a significantly greater proportion of fampridine PR recipients than placebo recipients achieved a ≥8-point improvement on the MSWS-12 with 24 weeks of treatment. Where reported, adverse events were mostly mild or moderate in severity, and generally consistent with the underlying disease or mechanism of action of fampridine PR. Fampridine PR is a useful treatment option to consider in adult MS patients with walking disability.
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Behm K, Morgan P. The effect of symptom-controlling medication on gait outcomes in people with multiple sclerosis: a systematic review. Disabil Rehabil 2017; 40:1733-1744. [DOI: 10.1080/09638288.2017.1309581] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Kate Behm
- Department of Physiotherapy, Monash University, Frankston, Australia
| | - Prue Morgan
- Department of Physiotherapy, Monash University, Frankston, Australia
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Sidovar MF, Limone BL, Coleman CI. Mapping of Multiple Sclerosis Walking Scale (MSWS-12) to five-dimension EuroQol (EQ-5D) health outcomes: an independent validation in a randomized control cohort. PATIENT-RELATED OUTCOME MEASURES 2016; 7:13-8. [PMID: 26893584 PMCID: PMC4745957 DOI: 10.2147/prom.s96956] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Background Mapping of patient-reported outcomes to the five-dimension EuroQol (EQ-5D) health index is increasingly being used for understanding the relationship of outcomes to health states and for predicting utilities that have application in economic evaluations. The 12-item Multiple Sclerosis Walking Scale (MSWS-12) is a patient-reported outcome that assesses the impact of walking impairment in people with MS. An equation for mapping the MSWS-12 to the EQ-5D was previously developed and validated using a North American Research Committee on MS (NARCOMS) registry cohort. Materials and methods This analysis retested the validity of the equation mapping the MSWS-12 to the three-level EQ-5D (EQ-5D-3L) by using an independent cohort of patients with MS enrolled in a randomized controlled trial. Mapping was evaluated at two separate time points (baseline and week 4) during the clinical trial. The mapping equation’s performance was subsequently assessed with mean absolute error (MAE) and root-mean-square error (RMSE) by comparing equation-based estimates to values elicited in the trial using the actual EQ-5D-3L questionnaire. Results The mapping equation predicted EQ-5D-3L values in this external cohort with reasonable precision at both time points (MAE 0.116 and RMSE 0.155 at baseline; MAE 0.105 and RMSE 0.138 at week 4), and was similar to that reported in the original NARCOMS cohort (MAE 0.109 and RMSE 0.145). Also as observed in the original NARCOMS cohort, the mapping equation performed best in patients with EQ-5D-3L values between 0.50 and 0.75, and poorly in patients with values <0.50. Conclusion The mapping equation performed similarly in this external cohort as in the original derivation cohort, including a poorer performance in MS patients with more severe health-state severity.
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Affiliation(s)
- Matthew F Sidovar
- Clinical Development and Medical Affairs, Acorda Therapeutics, Ardsley, NY
| | - Brendan L Limone
- Department of Pharmacy Practice, University of Connecticut School of Pharmacy, Storrs, CT, USA
| | - Craig I Coleman
- Department of Pharmacy Practice, University of Connecticut School of Pharmacy, Storrs, CT, USA
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Applebee A, Goodman AD, Mayadev AS, Bethoux F, Goldman MD, Klingler M, Blight AR, Carrazana EJ. Effects of Dalfampridine Extended-release Tablets on 6-minute Walk Distance in Patients With Multiple Sclerosis: A Post Hoc Analysis of a Double-blind, Placebo-controlled Trial. Clin Ther 2015; 37:2780-7. [DOI: 10.1016/j.clinthera.2015.10.014] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Revised: 10/07/2015] [Accepted: 10/15/2015] [Indexed: 11/25/2022]
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