Results 11 to 20 of about 14,066,519 (402)

How can health economics be used in the design and analysis of adaptive clinical trials? A qualitative analysis [PDF]

open access: yes, 2020
Introduction Adaptive designs offer a flexible approach, allowing changes to a trial based on examinations of the data as it progresses. Adaptive clinical trials are becoming a popular choice, as the prudent use of finite research budgets and accurate ...
Brennan, Alan   +4 more
core   +2 more sources

Rings in Clinical Trials and Drugs: Present and Future

open access: yesJournal of Medicinal Chemistry, 2022
We present a comprehensive analysis of all ring systems (both heterocyclic and nonheterocyclic) in clinical trial compounds and FDA-approved drugs. We show 67% of small molecules in clinical trials comprise only ring systems found in marketed drugs ...
Jonathan Shearer   +4 more
semanticscholar   +1 more source

Handling an uncertain control group event risk in non-inferiority trials: non-inferiority frontiers and the power-stabilising transformation

open access: yesTrials, 2020
Background Non-inferiority trials are increasingly used to evaluate new treatments that are expected to have secondary advantages over standard of care, but similar efficacy on the primary outcome.
Matteo Quartagno   +6 more
doaj   +1 more source

The Smooth Away From Expected (SAFE) non-inferiority frontier: theory and implementation with an application to the D3 trial

open access: yesTrials, 2023
Background In a non-inferiority trial, the choice of margin depends on the expected control event risk. If the true risk differs from expected, power and interpretability of results can be affected. A non-inferiority frontier pre-specifies an appropriate
Matteo Quartagno   +4 more
doaj   +1 more source

A patient-reported pressure ulcer health-related quality of life instrument for use in prevention trials (PU-QOL-P): psychometric evaluation

open access: yesHealth and Quality of Life Outcomes, 2018
Introduction Pressure ulcer-specific patient-reported outcome (PRO) instruments should be used to inform patient care and provide a strong evidence base for interventions aimed at preventing pressure ulcers.
Claudia Rutherford   +9 more
doaj   +1 more source

Duplicated network meta-analysis in advanced prostate cancer: a case study and recommendations for change

open access: yesSystematic Reviews, 2022
Background Research overlap and duplication is a recognised problem in the context of both pairwise and network systematic reviews and meta-analyses.
David J. Fisher   +4 more
doaj   +1 more source

Analysis of Female Enrollment and Participant Sex by Burden of Disease in US Clinical Trials Between 2000 and 2020

open access: yesJAMA Network Open, 2021
Key Points Question How is disease burden associated with female representation in US-based clinical trials, and how are disease category and other clinical trial features associated with female representation in clinical trials?
Jecca R. Steinberg   +7 more
semanticscholar   +1 more source

Use of vitamins by participants in amyotrophic lateral sclerosis clinical trials.

open access: yesPLoS ONE, 2020
Patients' vitamin intake is often not documented and is therefore not considered sufficiently in studies of prescribed medication in patients with amyotrophic lateral sclerosis (ALS). We aimed to determine the prevalence of vitamin use by participants in
Tino Prell   +2 more
doaj   +1 more source

How Much Evidence Is Enough? Research Sponsor Experiences Seeking Regulatory Acceptance of Digital Health Technology-Derived Endpoints

open access: yesDigital Biomarkers, 2023
Introduction: Digital health technologies (DHTs) provide opportunities for real-time data collection and assessment of patient function. However, use of DHT-derived endpoints in clinical trials to support medical product labelling claims is limited ...
Brian Perry   +6 more
doaj   +1 more source

Changing platforms without stopping the train: experiences of data management and data management systems when adapting platform protocols by adding and closing comparisons

open access: yesTrials, 2019
Background There is limited research and literature on the data management challenges encountered in multi-arm, multi-stage platform and umbrella protocols.
Dominic Hague   +12 more
doaj   +1 more source

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