Thromboprophylaxis in Oesophageal Cancer Patients

NCT ID: NCT05067153

Last Updated: 2021-10-05

Study Results

Results pending

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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Recruitment Status

UNKNOWN

Clinical Phase

PHASE4

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-05-01

Study Completion Date

2024-05-01

Brief Summary

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The purpose of the study is to examine the efficacy and safety of prolonged thromboprophylactic treatment with Fragmin® in oesophageal cancer patients undergoing intended curative surgery.

Detailed Description

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Hypotheses

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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Esophageal Neoplasms Thrombosis Thromboembolism

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Randomized, controlled trial with one intervention group and one control group.
Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

No masking due to ethical considerations. Primary outcome is biochemical.

Study Groups

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Intervention

Intervention group (n=50, anticipated) receives 30 days postoperative treatment with 5000 IE LMWH daily.

Group Type EXPERIMENTAL

Fragmin 5000 UNT in 0.2 ML Prefilled Syringe

Intervention Type DRUG

30 days postoperative prophylactic treatment.

Control

Control group (n=50, anticipated) receives standard 10 days postoperative treatment with 5000 IE LMWH daily.

Group Type ACTIVE_COMPARATOR

Fragmin 5000 UNT in 0.2 ML Prefilled Syringe

Intervention Type DRUG

30 days postoperative prophylactic treatment.

Interventions

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Fragmin 5000 UNT in 0.2 ML Prefilled Syringe

30 days postoperative prophylactic treatment.

Intervention Type DRUG

Other Intervention Names

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Low Molecular Weight Heparin

Eligibility Criteria

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Inclusion Criteria

1. Cancer located in oesophagus and/or cardia.
2. Candidate for intended curative surgery.
3. Age \> 18 years.

Exclusion Criteria

1. Known inherited bleeding disorder.
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®).
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Aarhus University Hospital

OTHER

Sponsor Role collaborator

University of Aarhus

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

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

Site Status RECRUITING

Countries

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Denmark

Central Contacts

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Anne-Mette Hvas, MD

Role: CONTACT

004578455252

Tua Gyldenholm, MD

Role: CONTACT

004525136781

Facility Contacts

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Anne-Mette Hvas, MD, Ph.D.

Role: primary

+45 2334 8252

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.

Reference Type DERIVED
PMID: 40095681 (View on PubMed)

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.

Reference Type DERIVED
PMID: 39242497 (View on PubMed)

Other Identifiers

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2021-001335-24

Identifier Type: -

Identifier Source: org_study_id

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