A Study Comparing Abelacimab to Dalteparin in the Treatment of Gastrointestinal/Genitourinary Cancer and Associated VTE

NCT ID: NCT05171075

Last Updated: 2025-12-19

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

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE3

Total Enrollment

417 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-09-27

Study Completion Date

2027-02-28

Brief Summary

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This is a Phase 3, multicenter, open-label, blinded endpoint study to evaluate the effect of abelacimab relative to dalteparin on venous thromboembolism (VTE) recurrence and bleeding in patients with gastrointestinal (GI)/genitourinary (GU) cancer associated VTE (Magnolia)

Detailed Description

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Cancer associated thrombosis (CAT) is a severe medical condition which is characterized by high incidence of Venous thromboembolism (VTE) recurrence and high risk for bleeding. Patients with intact GI and GU cancer have increased bleeding risk with oral direct anticoagulants (DOACs), Guidelines advice caution with those DOACs or state preference for low molecular weight heparin (LMWH) in this population. The ANT-008 study will compare treatment with abelacimab monthly administration to LMWH daily subcutaneous (sc) administration over 6-month treatment. The study outcomes include VTE recurrence, bleeding event and treatment discontinuation at 6 months

Conditions

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Venous Thromboembolism Deep Venous Thrombosis Pulmonary Embolism

Keywords

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Anticoagulants VTE recurrence rate PROBE design LMWH CAT Cancer associated VTE GI cancer Abelacimab Dalteparin GU cancer FXI Major bleeding events CRNM bleeding events

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Abelacimab

Abelacimab intravenous administration followed by monthly administration of the same dose subcutaneously

Group Type EXPERIMENTAL

Abelacimab

Intervention Type BIOLOGICAL

Abelacimab 150 mg

Dalteparin

Dalteparin administered subcutaneously daily

Group Type ACTIVE_COMPARATOR

Dalteparin

Intervention Type DRUG

Dalteparin 200 IU/kg/day followed by 150 IU/kg/day

Interventions

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Abelacimab

Abelacimab 150 mg

Intervention Type BIOLOGICAL

Dalteparin

Dalteparin 200 IU/kg/day followed by 150 IU/kg/day

Intervention Type DRUG

Other Intervention Names

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MAA868 Fragmin

Eligibility Criteria

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Inclusion Criteria

* Male or female subjects ≥18 years old or other legal maturity age according to the country of residence
* Confirmed GI (colorectal, pancreatic, gastric, esophageal, gastro-esophageal junction or hepatobiliary) or confirmed GU (renal, ureteral, bladder, prostate, or urethra) cancers if:

* Unresectable, locally advanced, metastatic, or non-metastatic GI/GU cancer and
* No intended curative surgery during the study
* Confirmed symptomatic or incidental proximal lower limb deep vein thrombosis (DVT) (i.e., popliteal, femoral, iliac, and/or inferior vena cava vein thrombosis) and/or a confirmed symptomatic pulmonary embolism (PE), or an incidental PE in a segmental, or larger pulmonary artery. Patients are eligible within 120 hours from diagnosis of the qualifying VTE.
* Anticoagulation therapy with LMWH for at least 6 months is indicated
* Able to provide written informed consent

Exclusion Criteria

* Thrombectomy, insertion of a caval filter, or use of a fibrinolytic agent to treat the current (index) occurrence of DVT and/or PE
* More than 120 hours of pre-treatment with therapeutic doses of UFH, LMWH, or other anticoagulants
* An indication to continue treatment with therapeutic doses of an anticoagulant other than for VTE treatment prior to randomization (e.g., atrial fibrillation, mechanical heart valve, prior VTE)
* PE leading to hemodynamic instability (systolic BP \<90 mmHg or shock).
* Acute ischemic or hemorrhagic stroke or intracranial hemorrhage, in the last 4 weeks preceding screening.
* Brain trauma, or cerebral or a spinal cord surgery or spinal procedures such as lumbar puncture or epidural/spinal anesthesia within 4 weeks of screening
* Need for aspirin in a dosage of more than 100 mg/day or, any other antiplatelet agent alone or in combination with aspirin
* Bleeding requiring medical attention at the time of randomization or in the preceding 4 weeks
* Planned brain, spinal cord, cardiac, vascular, major thoracic and/or major abdominal surgery in the 4 weeks following randomization
* History of heparin induced thrombocytopenia
* Infective acute or subacute endocarditis at the time of presentation
* Primary brain cancer or untreated intracranial metastasis
* Eastern Cooperative Oncology Group (ECOG) performance status of 3 or 4 at screening
* Life expectancy of \<3 months at randomization
* Calculated creatinine clearance (CrCl) \<30 mL/min at the screening visit
* Platelet count \<50,000/ mm3 at the screening visit
* Hemoglobin \<8 g/dL at the screening visit
* Acute hepatitis, chronic active hepatitis, liver cirrhosis; or an alanine aminotransferase ≥3 times and/or bilirubin ≥2 times the upper limit of normal (ULN) at the screening visit in the absence of clinical explanation
* Uncontrolled hypertension (systolic blood pressure \[BP\] \> 180 mm Hg or diastolic BP \>100 mm Hg despite antihypertensive treatment)
* Women of child-bearing potential (WOCBP) who are unwilling or unable to use highly effective contraceptive measures during the study from screening up to 3 days after last treatment of dalteparin or 100 days after administration of abelacimab
* Sexually active males with sexual partners of childbearing potential must agree to use a condom or other reliable contraceptive measure up to 3 days after last treatment of dalteparin or 100 days after administration of abelacimab
* Pregnant or breast-feeding women
* History of hypersensitivity to any of the study drugs (including dalteparin) or its excipients, to drugs of similar chemical classes, or any contraindication listed in the label for dalteparin
* Subjects with any condition that in the judgement of the Investigator would place the subject at increased risk of harm if he/she participated in the study
* Use of other investigational (not-registered) drugs within 5 half-lives prior to enrollment or until the expected pharmacodynamic effect has returned to baseline, whichever is longer. Participation in academic non-interventional studies or interventional studies, comprising testing different strategies or different combinations of registered drugs is permitted.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Novartis Pharmaceuticals

INDUSTRY

Sponsor Role collaborator

Anthos Therapeutics, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Novartis Pharmaceuticals

Role: STUDY_DIRECTOR

Novartis Pharmaceuticals

Locations

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Washington DC VAMC

Washington D.C., District of Columbia, United States

Site Status

NorthShore University Health System

Evanston, Illinois, United States

Site Status

Barnes-Jewish Hospital

St Louis, Missouri, United States

Site Status

Memorial Sloan Kettering Cancer Center-Middletown

Middletown, New Jersey, United States

Site Status

Memorial Sloan Kettering Cancer Center-Commack

Commack, New York, United States

Site Status

Memorial Sloan Kettering Cancer Center-West Harrison

Harrison, New York, United States

Site Status

Memorial Sloan Kettering Cancer Center

New York, New York, United States

Site Status

Weill Cornell Medical College

New York, New York, United States

Site Status

Duke University Medical Center

Durham, North Carolina, United States

Site Status

University of Oklahoma Health Sciences Center

Oklahoma City, Oklahoma, United States

Site Status

Blacktown Hospital

Blacktown, New South Wales, Australia

Site Status

Westmead Hospital

Westmead, New South Wales, Australia

Site Status

Northern Health

Epping, Victoria, Australia

Site Status

LK Wiener Neustadt

Neustadt, , Austria

Site Status

Medical University of Vienna

Vienna, , Austria

Site Status

Hamilton Health Sciences, Juravinski Hospital and Cancer Centre

Hamilton, Ontario, Canada

Site Status

Ottawa Hospital Research Instituite

Ottawa, Ontario, Canada

Site Status

Ottawa Hospital Research Instituite

Ottawa, Ontario, Canada

Site Status

University of Calgary

Calgary, , Canada

Site Status

Sault Area Hospital

Marie, , Canada

Site Status

Toronto General Hospital

Toronto, , Canada

Site Status

Beijing Shijitan Hosp.

Beijing, , China

Site Status

Peking University Third Hospital

Beijing, , China

Site Status

Jilin Province Tumor Hospital

Ch’ang-ch’un, , China

Site Status

Southern Medical University - Zhujiang Hospital

Guangdong, , China

Site Status

Nanfang Hospital of Southern Medical University

Guangzhou, , China

Site Status

The Sixth Affiliated Hospital of Sun Yat-Sen University

Guangzhou, , China

Site Status

Huizhou Municipal Central Hospital

Huizhou, , China

Site Status

Nanjing First Hospital

Nanjing, , China

Site Status

Nantong Tumor Hospital (Tumor Hospital Affiliated to Nantong University )

Tongzhou, , China

Site Status

The First Affiliated Hospital of Wenzhou Medical University

Wenzhou, , China

Site Status

Union Hospital Tongji Medical College Huazhong University of Science &Technology

Wuhan, , China

Site Status

Hubei Cancer Hospital

Wuhan, , China

Site Status

The Second Hospital of Jiaxing

Zhejiang, , China

Site Status

Masarykuv onkologicky ustav

Brno, , Czechia

Site Status

University Hospital Hradec Kralove

Hradec Králové, , Czechia

Site Status

Onkologická klinika VFN a 1. LF UK

Prague, , Czechia

Site Status

Thomayerova nemocnice

Prague, , Czechia

Site Status

CHU de Limoges - Hôpital Dupuytren

Limoges, Cedex, France

Site Status

CH Le Puy en Velay

Le Puy-en-Velay, Chantemesse, France

Site Status

Hôpital Louis Mourier

Colombes, Renouiflers, France

Site Status

CHU de Nancy - Hôpital de Brabois Adultes

Vandœuvre-lès-Nancy, Rue Du Morvan, France

Site Status

Nouvel Hôpital Civil de Strasbourg

Strasbourg, Strasbourg, France

Site Status

CHU Angers - Hôpital Hôtel Dieu

Angers, , France

Site Status

CHU Clermont Ferrand - Hopital Gabriel Montpied

Clermont-Ferrand, , France

Site Status

CHU de Limoges - Hôpital Dupuytren

Limoges, , France

Site Status

Groupe Hospitalier Pitie-Salpetriere

Paris, , France

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Hôpital Européen Georges Pompidou

Paris, , France

Site Status

Hospices Civils de Lyon (HCL) - Centre Hospitalier Lyon-Sud

Pierre-Bénite, , France

Site Status

CHU de Rouen - Hôpital de Bois Guillaume

Rouen, , France

Site Status

CHU de Saint-Etienne - Hopital Nord

Saint-Etienne, , France

Site Status

CHU Strasbourg - Nouvel Hôpital Civil

Strasbourg, , France

Site Status

Centre Hospitalier Intercommunal de Toulon

Toulon, , France

Site Status

CHU de Nancy - Hôpital de Brabois Adultes

Vandœuvre-lès-Nancy, , France

Site Status

Staedtisches Klinikum Dresden Standort Dresden-Friedrichstadt

Dresden, , Germany

Site Status

Universitaetsklinikum Carl Gustav Carus TU Dresden

Dresden, , Germany

Site Status

Praxis für Gefäßmedizin

Görlitz, , Germany

Site Status

Universitaetsklinikum Hamburg-Eppendorf

Hamburg, , Germany

Site Status

Universitätsklinik Leipzig

Leipzig, , Germany

Site Status

Debreceni Egyetem

Debrecen, , Hungary

Site Status

Markhot Ferenc Oktatokorhaz es Rendelointezet

Eger, , Hungary

Site Status

Cork University Hospital

Cork, , Ireland

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Bon Secour Hospital

Cork, , Ireland

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Beaumont Hospital

Dublin, , Ireland

Site Status

IRCCS Istituto Tumori Giovanni Paolo II

Bari, , Italy

Site Status

Azienda Socio Sanitaria Territoriale Papa Giovanni XXIII

Bergamo, , Italy

Site Status

Arcispedale S. Maria Nuova Azienda Ospedaliera di Reggio Emilia

Bologna, , Italy

Site Status

Presidio Ospedaliero di Castelfranco Veneto

Castelfranco Veneto, , Italy

Site Status

SS. ma Annunziata

Chieti, , Italy

Site Status

Ospedale Civile Dell Annunziata

Cosenza, , Italy

Site Status

Ospedale Degli Infermi

Faenza, , Italy

Site Status

Azienda Socio Sanitaria Territoriale Santi Paolo e Carlo

Milan, , Italy

Site Status

Istituto Nazionale Tumori Fondazione G. Pascale

Napoli, , Italy

Site Status

Azienda Ospedale - Università Padova

Padua, , Italy

Site Status

Ospedale Universitario

Padua, , Italy

Site Status

Azienda Ospedaliero Universitaria Pisana

Pisa, , Italy

Site Status

Ospedale San Bortolo di Vicenza

Vicenza, , Italy

Site Status

Daugavpils Regional Hospital

Daugavpils, , Latvia

Site Status

Liepaja Regional Hospital

Liepāja, , Latvia

Site Status

Pauls Stradins CUH

Riga, , Latvia

Site Status

Meander Medisch Centrum

Amersfoort, , Netherlands

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Albert Schweitzer Ziekenhuis, Dordwijk

Dordrecht, , Netherlands

Site Status

Spaarne Gasthuis (Kennemer Gasthuis) - Haarlem-Zuid

Haarlem, , Netherlands

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Amsterdam University Medical Center

Holland, , Netherlands

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Leids Universitair Medisch Centrum

Leiden, , Netherlands

Site Status

Radboud Universitair Medisch Centrum

Nijmegen, , Netherlands

Site Status

Ikazia Ziekenhuis

Rotterdam, , Netherlands

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Haga Ziekenhuis

The Hague, , Netherlands

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Østfold Hospital Kalnes

Fredrikstad, , Norway

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Akershus Univeristy Hospital

Lørenskog, , Norway

Site Status

Jeonbuk National University Hospital

Jeonju, , South Korea

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Seoul National University Bundang Hospital

Seongnam, , South Korea

Site Status

Ewha Womans University Mokdong Hospital

Seoul, , South Korea

Site Status

Hospital Universitario Del Vinalopo

Alicante, , Spain

Site Status

Hospital Universitario Reina Sofia

Córdoba, , Spain

Site Status

Hospital General Universitario de Elche

Elche, , Spain

Site Status

Hospital Universitario Virgen de las Nieves

Granada, , Spain

Site Status

Hospital Universitario Ciudad de Jaen

Jaén, , Spain

Site Status

Hospital Universitario Lucus Augusti

Lugo, , Spain

Site Status

Hospital General Universitario Gregorio Marañon

Madrid, , Spain

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Clinica Universidad de Navarra

Madrid, , Spain

Site Status

MD Anderson Cancer Centre

Madrid, , Spain

Site Status

Hospital Universitario Puerta de Hierro Majadahonda

Majadahonda, , Spain

Site Status

Complejo Hospitalario Universitario de Ourense

Ourense, , Spain

Site Status

Hospital Universitario Central de Asturia

Oviedo, , Spain

Site Status

Clinica Universidad de Navarra

Pamplona, , Spain

Site Status

Corporacio Sanitaria Parc Tauli

Sabadell, , Spain

Site Status

Hospital Universitario Marques de Valdecilla

Santander, , Spain

Site Status

Hospital Universitario Virgen del Rocio

Seville, , Spain

Site Status

Länssjukhuset Sundsvall-Härnösand

Sundsvall, , Sweden

Site Status

Hopital Universitaire Geneve

Geneva, , Switzerland

Site Status

Far Eastern Memorial Hospital

New Taipei City, , Taiwan

Site Status

National Cheng Kung University (NCKU) Hospital

Tainan, , Taiwan

Site Status

Tri-Service General Hospital

Taipei, , Taiwan

Site Status

University Hospital of Wales

Cardiff, England, United Kingdom

Site Status

Castle Hill Hospital, Department of Oncology & Haematology

Cottingham, ENG, United Kingdom

Site Status

The Newcastle Upon Tyne Hospitals

Newcastle upon Tyne, ENG, United Kingdom

Site Status

Countries

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United States Australia Austria Canada China Czechia France Germany Hungary Ireland Italy Latvia Netherlands Norway South Korea Spain Sweden Switzerland Taiwan United Kingdom

Other Identifiers

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2021-003085-12

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

CMAA868D12301

Identifier Type: OTHER

Identifier Source: secondary_id

ANT-008

Identifier Type: -

Identifier Source: org_study_id