O1-10-01: Estimating effect size of APOE genotype on Alzheimer's disease progression to determine the likely impact on clinical trial design

2015 ◽  
Vol 11 (7S_Part_3) ◽  
pp. P153-P154
Author(s):  
Sheng Feng
2006 ◽  
Vol 14 (7S_Part_20) ◽  
pp. P1078-P1079
Author(s):  
Kent L. Leslie ◽  
Joshua Cohen ◽  
Justin Klee ◽  
Victoria Williams ◽  
Steven E. Arnold

Author(s):  
J. Cummings ◽  
N. Fox ◽  
B. Vellas ◽  
P. Aisen ◽  
G. Shan

BACKGROUND: Disease-modifying therapies are urgently needed for the treatment of Alzheimer’s disease (AD). The European Union/United States (EU/US) Task Force represents a broad range of stakeholders including biopharma industry personnel, academicians, and regulatory authorities. OBJECTIVES: The EU/US Task Force represents a community of knowledgeable individuals who can inform views of evidence supporting disease modification and the development of disease-modifying therapies (DMTs). We queried their attitudes toward clinical trial design and biomarkers in support of DMTs. DESIGN/SETTING/PARTICIANTS: A survey of members of the EU/US Alzheimer’s Disease Task Force was conducted. Ninety-three members (87%) responded. The details were analyzed to understand what clinical trial design and biomarker data support disease modification. MEASUREMENTS/RESULTS/CONCLUSIONS: Task Force members favored the parallel group design compared to delayed start or staggered withdrawal clinical trial designs to support disease modification. Amyloid biomarkers were regarded as providing mild support for disease modification while tau biomarkers were regarded as providing moderate support. Combinations of biomarkers, particularly combinations of tau and neurodegeneration, were regarded as providing moderate to marked support for disease modification and combinations of all three classes of biomarkers were regarded by a majority as providing marked support for disease modification. Task Force members considered that evidence derived from clinical trials and biomarkers supports clinical meaningfulness of an intervention, and when combined with a single clinical trial outcome, nearly all regarded the clinical trial design or biomarker evidence as supportive of disease modification. A minority considered biomarker evidence by itself as indicative of disease modification in prevention trials. Levels of evidence (A,B,C) were constructed based on these observations. CONCLUSION: The survey indicates the view of knowledgeable stakeholders regarding evidence derived from clinical trial design and biomarkers in support of disease modification. Results of this survey can assist in designing clinical trials of DMTs.


1996 ◽  
Vol 8 (S1) ◽  
pp. 17-20 ◽  
Author(s):  
Cornelia Beck

To address the development of studies for behavioral problems in patients with Alzheimer's disease (AD), a framework is used that includes the patient, the caregiver (formal or informal), the patient-caregiver interaction, the environment, the organization of care within institutions, and systems for the delivery of care to patients and caregivers. Within each of these components, there will be indicated the areas that are ready for testing using a clinical trial design and the areas that need further study using less controlled designs. Finally, recommendations will be made that address all components of the framework.


2012 ◽  
Vol 31 (3) ◽  
pp. 507-516
Author(s):  
Timothy Schultz ◽  
Eric Yang ◽  
Michael Farnum ◽  
Victor Lobanov ◽  
Rudi Verbeeck ◽  
...  

2021 ◽  
Vol 17 (S9) ◽  
Author(s):  
Lois Ottenhoff ◽  
Everard G.B. Vijverberg ◽  
Leonie N.C. Visser ◽  
Merike Verrijp ◽  
Niels D. Prins ◽  
...  

Author(s):  
J. Cummings ◽  
P. Aisen ◽  
R. Barton ◽  
J. Bork ◽  
R. Doody ◽  
...  

Alzheimer’s disease (AD) drug development is costly, time-consuming, and inefficient. Trial site functions, trial design, and patient recruitment for trials all require improvement. The Global Alzheimer Platform (GAP) was initiated in response to these challenges. Four GAP work streams evolved in the US to address different trial challenges: 1) registry-to-cohort web-based recruitment; 2) clinical trial site activation and site network construction (GAP-NET); 3) adaptive proof-of-concept clinical trial design; and 4) finance and fund raising. GAP-NET proposes to establish a standardized network of continuously funded trial sites that are highly qualified to perform trials (with established clinical, biomarker, imaging capability; certified raters; sophisticated management system. GAP-NET will conduct trials for academic and biopharma industry partners using standardized instrument versions and administration. Collaboration with the Innovative Medicines Initiative (IMI) European Prevention of Alzheimer’s Disease (EPAD) program, the Canadian Consortium on Neurodegeneration in Aging (CCNA) and other similar international initiatives will allow conduct of global trials. GAP-NET aims to increase trial efficiency and quality, decrease trial redundancy, accelerate cohort development and trial recruitment, and decrease trial costs. The value proposition for sites includes stable funding and uniform training and trial execution; the value to trial sponsors is decreased trial costs, reduced time to execute trials, and enhanced data quality. The value for patients and society is the more rapid availability of new treatments for AD.


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