Pre- vs. postoperative thromboprophylaxis for liver resection – a prospective, multicentre, randomized controlled trial (PREPOSTEROUS trial)

2024-519726-20-00 Protocol PREPOSTEROUS Therapeutic use (Phase IV) Ongoing, recruiting

Start 17 Mar 2022 · Status Ongoing, recruiting · 1 EU/EEA countries · 2 sites · Protocol PREPOSTEROUS

Overview

Sponsor-declared trial summary

Phase Therapeutic use (Phase IV)
Status Ongoing, recruiting
Participants planned 500
Countries 1
Sites 2

Liver surgery

Perioperatively initiated thromboprophylaxis reduces venous thromoboembolism without increasing the risk of bleeding complications.

Key facts

Sponsor
Oslo University Hospital HF
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Hemic and Lymphatic Diseases [C15]
Trial duration
17 Mar 2022 → ongoing
Decision date (initial)
2024-12-19
Transition trial
Yes
Low-intervention
No
Rare-disease indication
No
Vulnerable population
No

External identifiers

EU CT number
2024-519726-20-00
EudraCT number
2019-002323-15
ClinicalTrials.gov
NCT04731558

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Prophylaxis

Perioperatively initiated thromboprophylaxis reduces venous thromoboembolism without increasing the risk of bleeding complications.

Conditions and MedDRA coding

Liver surgery

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 1

  1. All patients undergoing liver resection

Exclusion criteria 1

  1. Patient on anti-coagulative medication (heparin, low-molecular weight heparin, warfarin, direct oral anticoagulants) during last month pre-surgery. Emergency operation (e.g., for trauma or infection). Age < 18 years Allergy or other contraindication to planned low-molecular weight heparin. Inability to give written informed consent. Liver resection not performed (removed from analyses after randomization).

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. Venous thromboembolisms, number of patients, within 30 days from liver resection.

Secondary endpoints 1

  1. 1) Posthepatectomy haemorrhage, any grade in ISGLS classification, number of patients, within 30 days from liver resection 2) Comprehensive Complication Index – score, within 30 days from liver resection 3) Length of postoperative hospital stay, days 4) Total amount of transfused red blood cells, units, during and within 30 days from liver resection

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 2

Enoxaparin Sodium

SCP118777247 · ATC

Active substance
Enoxaparin Sodium
Route of administration
SUBCUTANEOUS INJECTION
Max daily dose
40 mg milligram(s)
Max total dose
1120 mg milligram(s)
Max treatment duration
4 Week(s)
Authorisation status
Authorised
ATC code
B01AB05 — ENOXAPARIN
Marketing authorisation
-
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Dalteparin Sodium

SCP12518807 · ATC

Active substance
Dalteparin Sodium
Route of administration
SUBCUTANEOUS INJECTION
Max daily dose
5000 IU international unit(s)
Max total dose
140000 IU international unit(s)
Max treatment duration
4 Week(s)
Authorisation status
Authorised
ATC code
B01AB04 — DALTEPARIN
Marketing authorisation
-
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Oslo University Hospital HF

Sponsor organisation
Oslo University Hospital HF
Address
Taarnbygget, Kirkeveien 166 Kirkeveien 166
City
Oslo
Postcode
0450
Country
Norway

Scientific contact point

Organisation
Oslo University Hospital HF
Contact name
Sheraz Yaqub

Public contact point

Organisation
Oslo University Hospital HF
Contact name
Sheraz Yaqub

Locations

1 EU/EEA country · 2 investigational sites

By country

CountryMS statusPlanned subjectsSites
Norway Ongoing, recruiting 500 2
Rest of world 0

Investigational sites

Norway

2 sites · Ongoing, recruiting
Oslo University Hospital HF
Hepato-pancreato-biliary Surgery, Taarnbygget, Kirkeveien 166, Oslo
Universitetssykehuset Nord-Norge HF
Dept of Gastrointestinal Surgery, P. O. Box 100, 9038, Tromsoe

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Norway 2022-03-17 2022-03-17

Results and documents

Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial

Documents 5 files

Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.

TypeTitleVersion
Protocol (for publication) D1_Protocol 2024-519726-20-00 1
Recruitment arrangements (for publication) Placeholder 1
Subject information and informed consent form (for publication) L1_SIS and ICF 1.1
Summary of Product Characteristics (SmPC) (for publication) Dalteparin 1
Summary of Product Characteristics (SmPC) (for publication) Enoxaparin 1

Application history

1 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-12-11 Norway Acceptable
2024-12-19
2024-12-19