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In Vitro Model of Physiological and Pathological Blood Flow with Application to Investigations of Vascular Cell Remodeling
Published on: November 3, 2015
An alternative pathway for preclinical research in fluid management
1Sunnybrook and Women's College Health Sciences Centre, Toronto, Ontario, Canada. William.Sibbald@swchsc.on.ca
Recent meta-analyses on colloid resuscitation fluids created uncertainty. Further research using animal models is needed to guide clinical practice and avoid costly trial failures.
Area of Science:
- Critical care medicine
- Pharmacology
- Translational research
Background:
- Recent meta-analyses have introduced uncertainty regarding the use of colloid resuscitation fluids in critically ill patients.
- Methodological limitations in these meta-analyses may question current shifts in fluid management practices.
- There is a need for further research to clarify the impact of resuscitation fluid choice on patient outcomes.
Purpose of the Study:
- To highlight the importance of animal studies in evaluating the efficacy and safety of resuscitation fluids before clinical trials.
- To propose an alternative preclinical research pathway to mitigate failures in large-scale clinical trials, particularly for sepsis therapies.
- To ensure promising therapies are pursued by optimizing the evaluation process.
Main Methods:
- Utilizing animal studies to predict the effectiveness and safety of resuscitation fluids for clinical trials.
- Implementing a competitive request for proposals for independent investigators to test developer hypotheses in randomized animal models.
- Applying critical appraisal principles, including meta-analysis of animal data, to preclinical findings.
Main Results:
- Animal studies can reliably indicate the potential success or failure of fluids in human trials.
- A structured preclinical pathway can help avoid costly clinical trial failures.
- Rigorous evaluation of preclinical data is essential before initiating large clinical trials.
Conclusions:
- Animal research is crucial for guiding the clinical application of resuscitation fluids.
- An alternative preclinical evaluation pathway, involving hypothesis testing in animal models and critical appraisal, can improve therapeutic development.
- This approach may prevent the abandonment of potentially beneficial therapies due to premature clinical trial failures.
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