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Pre-clinical Evaluation of Tyrosine Kinase Inhibitors for Treatment of Acute Leukemia
Published on: September 18, 2013
Lessons learned from prematurely terminated clinical trials
1Division of Nephrology, Medical College of Virginia of Virginia Commonwealth University, Box 980160, Richmond, VA 23298, USA. dsica@ hsc.vcu.edu
Controlled clinical trials in cardiovascular disease can be stopped early for positive or negative findings, or economic reasons. Independent data monitoring boards ensure patient safety and guide these critical decisions.
Area of Science:
- Cardiovascular Medicine
- Clinical Trial Design
- Medical Ethics
Background:
- Controlled clinical trials are essential for advancing cardiovascular disease therapeutics.
- Progress in trial design, conduct, and analysis has been substantial.
- Ethical considerations and interim data analysis are increasingly important.
Purpose of the Study:
- To highlight the role and implications of early termination in controlled clinical trials.
- To discuss the factors influencing premature study closure.
- To emphasize the importance of data and safety monitoring boards.
Main Methods:
- Review of established practices in controlled clinical trials.
- Analysis of decision-making processes for early trial termination.
- Examination of the role of independent data and safety monitoring boards.
Main Results:
- Early termination can occur due to highly positive or negative findings, as seen in studies like HOPE, ALLHAT, and AASK.
- Economic factors can also lead to early study closure, exemplified by the CONVINCE trial.
- Independent data and safety monitoring boards play a crucial role in patient safety and unbiased data review.
Conclusions:
- Premature termination of clinical trials has significant clinical implications.
- Early closure can redirect clinical practice patterns.
- Interim analysis and monitoring are vital for ethical and efficient trial conduct.
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