Study Stopped
Covid-19 pandemic
Mobilization of Endothelial Progenitor Cells and Aspirin
TROPHIC 3
1 other identifier
interventional
6
1 country
1
Brief Summary
Aspirin at doses used during acute myocardial infarction may inhibit the mobilization of endothelial progenitor cells (EPCs).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_3
Started May 2016
Longer than P75 for phase_3
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
January 6, 2016
CompletedFirst Posted
Study publicly available on registry
February 5, 2016
CompletedStudy Start
First participant enrolled
May 1, 2016
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 1, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2022
CompletedJanuary 17, 2023
January 1, 2023
5.9 years
January 6, 2016
January 12, 2023
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Maximum circulating endothelial progenitor cells as a ratio to baseline at any timepoint
Change in number of EPCs measured at 0 (baseline), 1, 6, 24, 72 hours and on day 7 post procedure
0 hour, 1 hour, 6 hours, 24 hours, 72 hours and 7 days
Secondary Outcomes (1)
Endothelial cell migration in vitro compared to baseline at any timepoint
0 hour, 1 hour, 6 hours, 24 hours, 72 hours and 7 days
Other Outcomes (5)
Peak SDF-1 level
0 hour, 1 hour, 6 hours, 24 hours, 72 hours and 7 days
Peak angiopoietin-1 level
0 hour, 1 hour, 6 hours, 24 hours 72 hours and 7 days
Peak angiopoietin-2 level
0 hour, 1 hour, 6 hours, 24 hours 72 hours and 7 days
- +2 more other outcomes
Study Arms (2)
Aspirin
ACTIVE COMPARATORAspirin 325mg orally bolus followed by 162mg orally daily during alcohol septal ablation for hypertrophic obstructive cardiomyopathy until day 7.
No aspirin
NO INTERVENTIONNo aspirin allowed during alcohol septal ablation for hypertrophic obstructive cardiomyopathy until day 7.
Interventions
Aspirin 325mg bolus followed by 162mg daily until day 7 post alcohol septal ablation
Eligibility Criteria
You may qualify if:
- Patients who have been selected to undergo alcohol septal ablation for hypertrophic obstructive cardiomyopathy based on clinical need
- Age \>18 years, \<80 years
You may not qualify if:
- Patients with known allergy to aspirin
- Inability or refusal to consent to participate in the study
- Patients who are on non-steroidal anti-inflammatory drugs and cannot be stopped for the duration of the study
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University of Ottawa Heart Institute
Ottawa, Ontario, K1Y 4W7, Canada
Related Publications (3)
Chen TG, Chen JZ, Xie XD. Effects of aspirin on number, activity and inducible nitric oxide synthase of endothelial progenitor cells from peripheral blood. Acta Pharmacol Sin. 2006 Apr;27(4):430-6. doi: 10.1111/j.1745-7254.2006.00298.x.
PMID: 16539843RESULTLou J, Povsic TJ, Allen JD, Adams SD, Myles S, Starr AZ, Ortel TL, Becker RC. The effect of aspirin on endothelial progenitor cell biology: preliminary investigation of novel properties. Thromb Res. 2010 Sep;126(3):e175-9. doi: 10.1016/j.thromres.2009.11.017. Epub 2010 Jul 24.
PMID: 20659762RESULTEtulain J, Fondevila C, Negrotto S, Schattner M. Platelet-mediated angiogenesis is independent of VEGF and fully inhibited by aspirin. Br J Pharmacol. 2013 Sep;170(2):255-65. doi: 10.1111/bph.12250.
PMID: 23713888RESULT
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Aun-Yeong Chong, MD, MRCP
OHIRC
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- OUTCOMES ASSESSOR
- Purpose
- BASIC SCIENCE
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 6, 2016
First Posted
February 5, 2016
Study Start
May 1, 2016
Primary Completion
April 1, 2022
Study Completion
April 1, 2022
Last Updated
January 17, 2023
Record last verified: 2023-01