Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
PHASE4
100 participants
INTERVENTIONAL
2021-05-01
2024-05-01
Brief Summary
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Detailed Description
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1. The intervention group of oesophageal cancer patients, who receive prolonged thromboprophylaxis with Fragmin® has a lower VTE risk, expressed by a lower prothrombin fragment F1+2, 30 days after surgery than the control group, who receive Fragmin® for 10 days.
2. The intervention group does not demonstrate an increased bleeding tendency compared with the control group.
Primary endpoint The primary endpoint is the difference in prothrombin fragment F1+2 30 days after surgery between the intervention and the control group.
Secondary and safety endpoints The secondary endpoints are incidence of bleeding, VTE and mortality 30 days and one year after surgery.
Study design
The study is comprised of three specific objectives, presented in three work packages (WP):
* WP1: Randomization of 100 oesophageal cancer patients undergoing intended curative surgery to either a 10 or 30-day prophylactic LMWH-regime.
* WP2: Investigation of the coagulation in the WP1 population. The aim is to substantially improve understanding of the coagulation pathophysiology and the mechanisms behind the increased thromboembolic risk in oesophageal cancer patients.
* WP3: The lectin pathway complement proteins are suspected to play a role in the increased risk of thrombosis in cancer. We aim to examine this further by measuring complement protein levels in the WP1 population and investigate if there is a correlation between complement levels and changes in the coagulation.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
PREVENTION
NONE
Study Groups
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Intervention
Intervention group (n=50, anticipated) receives 30 days postoperative treatment with 5000 IE LMWH daily.
Fragmin 5000 UNT in 0.2 ML Prefilled Syringe
30 days postoperative prophylactic treatment.
Control
Control group (n=50, anticipated) receives standard 10 days postoperative treatment with 5000 IE LMWH daily.
Fragmin 5000 UNT in 0.2 ML Prefilled Syringe
30 days postoperative prophylactic treatment.
Interventions
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Fragmin 5000 UNT in 0.2 ML Prefilled Syringe
30 days postoperative prophylactic treatment.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
2. Candidate for intended curative surgery.
3. Age \> 18 years.
Exclusion Criteria
2. Unable to provide informed consent.
3. Arterial or venous thromboembolic events within the last three months.
4. On-going anticoagulant treatment (Vitamin K antagonists or direct oral anticoagulants).
5. Pregnant or has given birth within the last three months.
6. Known allergy to the trial drug Dalteparin (Fragmin®).
18 Years
ALL
No
Sponsors
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Aarhus University Hospital
OTHER
University of Aarhus
OTHER
Responsible Party
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Principal Investigators
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Anne-Mette Hvas, MD
Role: PRINCIPAL_INVESTIGATOR
University of Aarhus
Locations
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Thrombosis and Haemostasis Research Unit, Department for Clinical Biochemistry, Aarhus University Hospital
Aarhus N, , Denmark
Countries
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Central Contacts
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Facility Contacts
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References
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Gyldenholm T, Madsen N, Katballe N, Kjaer DW, Christensen TD, Hvas AM. Patients Undergoing Oesophageal Cancer Surgery Do Not Have Impaired Haemostasis. Clin Appl Thromb Hemost. 2025 Jan-Dec;31:10760296251327587. doi: 10.1177/10760296251327587. Epub 2025 Mar 17.
Gyldenholm T, Madsen N, Katballe N, Kjaer DW, Christensen TD, Hvas AM. Thromboprophylaxis in oesophageal cancer patients-a study protocol for a randomised, controlled trial (TOP-RCT). Trials. 2024 Sep 6;25(1):591. doi: 10.1186/s13063-024-08408-y.
Other Identifiers
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2021-001335-24
Identifier Type: -
Identifier Source: org_study_id
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