[HTML][HTML] Does analysis using “last observation carried forward” introduce bias in dementia research?

FJ Molnar, B Hutton, D Fergusson - Cmaj, 2008 - Can Med Assoc
• Dementia trials may have biased or even false-positive results if the study drug is not well
tolerated in the treatment group.• The CONSORT (Consolidated Standards of Reporting …

Assessing the clinical importance of statistically significant improvement in anti-dementia drug trials

K Rockwood, C MacKnight - Neuroepidemiology, 2001 - karger.com
A strategy for assessing the clinical importance of statistically significant treatment benefits in
recent dementia drug trials is proposed. Traditional criteria for the assessment of valid …

[HTML][HTML] Dementia trials and dementia tribulations: methodological and analytical challenges in dementia research

CW Ritchie, GM Terrera, TJ Quinn - Alzheimer's research & therapy, 2015 - Springer
Dementia is a substantial and increasing public health concern. Despite decades of
research, a cure or effective preventative treatment for dementia remains elusive. We offer …

Systematic review of measures of clinical significance employed in randomized controlled trials of drugs for dementia

FJ Molnar, M Man‐Son‐Hing… - Journal of the American …, 2009 - Wiley Online Library
The ability to define thresholds for the clinical significance (clinical importance) of outcome
measures in dementia drug research is critical to determining the changes on outcome …

Protocols to demonstrate slowing of Alzheimer disease progression. Position paper from the International Working Group on Harmonization of Dementia Drug …

N Bodick, F Forette, D Hadler, RJ Harvey… - Alzheimer disease …, 1997 - europepmc.org
Two suggested clinical trial designs for assessing progression of Alzheimer disease are the
randomized withdrawal design and the randomized start design. The most promising of …

Key methodological features of randomized controlled trials of Alzheimer's disease therapy: minimal clinically important difference, sample size and trial duration

D Burback, FJ Molnar, P St. John… - Dementia and geriatric …, 1999 - karger.com
Background: The results of clinical trials are routinely presented in terms of statistical
significance, which may or may not indicate clinical significance. Analysis of the minimal …

Expectations and clinical meaningfulness of randomized controlled trials

RC Petersen, PS Aisen, JS Andrews… - Alzheimer's & …, 2023 - Wiley Online Library
Alzheimer's disease (AD) clinical trials are designed and powered to detect the impact of a
therapeutic intervention, and there has been considerable discussion on what constitutes a …

Statistical analysis, trial design and duration in Alzheimer's disease clinical trials: a review

PA Thompson, DE Wright, CE Counsell… - International …, 2012 - cambridge.org
Background: The social and economic burden of Alzheimer's disease (AD) and its
increasing prevalence has led to much work on new treatment strategies and clinical trials …

[HTML][HTML] Have last-observation-carried-forward analyses caused us to favour more toxic dementia therapies over less toxic alternatives? A systematic review

FJ Molnar, M Man-Son-Hing, B Hutton… - Open …, 2009 - ncbi.nlm.nih.gov
Background Intention-to-treat analysis is used in the analysis of randomized controlled trials
to preserve trial power in the presence of missing subject data as well as to control for both …

What lessons can be learned from failed Alzheimer's disease trials?

J Toyn - Expert review of clinical pharmacology, 2015 - Taylor & Francis
Trials missing primary efficacy end points raise the question of whether the choice of drug or
the limitations of disease biology were at fault. In some trials, drugs appear not to have …