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CompletedNCT02066454MYELAXATUpdated Aug 13, 2025

Evaluation of the Use of Apixaban in Prevnetion of Thromboembolic Disease in Patients With Myeloma Trated With iMiDs

A Phase 3 interventional study of Apixaban in Myeloma and Venous Thromboembolism, sponsored by University Hospital, Grenoble. Completed at 19 sites in France. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2025-08-13.

Sponsored by University Hospital, Grenoble · Phase 3, Interventional, and Treatment

Phase
Phase 3
Study type
Interventional
Enrollment
108
Allocation
Not applicable
Ages
18 Years and older
Sex
All
01

Study summary

To evaluate:

  • the incidence of venous thromboembolic event (VTE)
  • the incidence of hemorrhagic complications, In a population of patients with myeloma who are treated with IMiDs and require thromboprophylaxis for 6 months, using an oral anti-Xa anticoagulant, Apixaban, in a preventive scheme, 2.5 mg x2/day
Read the detailed description

MYELAXAT trial is multicentre, open trial which aims to evaluate the incidence of venous thromboembolic event (VTE) and the incidence of hemorrhagic complications. All patients with Myeloma treated with iMiDs and require thromboprophylaxis for 6 months, using an oral anti-Xa anticoagulant, Apixaban, in a preventive scheme, 2.5 mg x2/day

02

Conditions studied

  • Myeloma
  • Venous Thromboembolism

Keywords

  • myeloma
  • antiXa anticoagulant
  • venous thromboembolic disease
  • iMiDs
03

In context

Neoplasms, Plasma Cell

2,306 studies on the registry are indexed under Neoplasms, Plasma Cell; 246 are open to participants now.

This study's enrollment of 108 is above the median of 39 across 1,823 interventional studies indexed under Neoplasms, Plasma Cell.

Browse Neoplasms, Plasma Cell studies →

Lead sponsor

University Hospital, Grenoble is the lead sponsor of 815 studies on the registry; 205 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Patients (men/women) aged more than 18 years
  • All consecutive patients, with myeloma, in first-line treatment or in relapse, who are treated - With IMiDs (MPT, Melphalan -Prednisone -Thalidomide ; Lenalidomide - Dexamethasone).

AND

- who require prevention of venous thromboembolic events with Aspirin or Low molecular Weight Heparin (LMWH) for a minimum duration of 6 months At least, 2/3 of patients will be treated with Lenalidomide-Dexamethasone.

  • Written informed consent
  • Patients affiliated to the French social security system or equivalent

Exclusion criteria

Exclusion Criteria:

  • Patient who needs curative anticoagulant treatment (heparin, LMWH, vitamin K antagonists, Dabigatran, Rivaroxaban, Apixaban) for an associated disorder (mechanical valve, atrial fibrillation or venous thromboembolic disease in the previous 6 months).
  • Patient who needs preventive treatment with an anticoagulant in a post-operative context
  • Patient who needs anti-platelet treatment (Aspirin, Clopidogrel, Prasugrel, Ticagrelor or dual anti-platelet therapy )
  • Patient with active bleeding or at a high risk of bleeding (ulcer disease, intracranial bleeding in the previous 6 months, uncontrolled hypertension)
  • Patient having undergone a surgical intervention within the past 30 days likely to expose them to an haemorrhagic risk
  • Active hepatic disease (hepatitis, cirrhosis)
  • Severe renal insufficiency (creatinine clearance using the Cockcroft equation \< 30 ml/mn)
  • Known allergic reaction to Apixaban
  • Contraindication to the use of an anticoagulant treatment
  • Prohibited concomitant treatment

    • inhibitors of CYP3A4 and P-gp : azole antimycotic agents (ketoconazole, itraconazole, voriconazole, posaconazole), inhibitors of HIV protease (ritonavir, indinavir, nelfinavir, atazanavir, saquinavir), specific macrolide antibiotics (clarithromycine, telithromycine)
    • other antithrombotic treatment : salicylate derivates (aspirin, products containing aspirin), antiplatelet therapy, heparin (unfractionated heparin, low molecular weight heparin, danaparoide sodique, fondaparinux), hirudines, oral anticoagulants (vitamin K antagonists, rivaroxaban, dabigatran)
  • Patient with AST or ALT rate > 3 times upper limit of normal
  • Patient with Bilirubin rate > 1.5 times upper limit of normal
  • Patient with Platelets rate \< 75 G/l
  • Patient with Creatinine Clearance (Cockcroft) \< 30 ml/mn
  • Incidental finding of a proximal Deep Venous Thrombosis on the screening ultrasound
  • Patients refusing or unable to give a written consent of information
  • Patient unable to comply with the protocol requirement, in the investigator's opinion
  • Life expectancy less than 6 months
  • Incarcerated patients
  • Pregnancy or possibility of pregnancy within 6 months
  • Females of childbearing potential without reliable contraception
  • Ecog > 2
05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
108 participants (actual)

Study arms

  • Experimental
    Apixaban

    oral direct anti-Xa anticoagulant

    Drug: Apixaban

Interventions

  • DrugApixaban

    2.5mg x 2 per day during 6 months

    Also known as: oral direct anti-Xa anticoagulant

06

What researchers measure

Primary outcomes

  1. Total VTE and VTE-related death. Major and clinically relevant non major bleeding - Major and clinically relevant non major bleeding, defined according to International Society of Thrombosis and haemostasis

    Total VTE (fatal or non fatal pulmonary embolism, symptomatic distal or proximal DVT of lower limbs, and asymptomatic proximal DVT detected by bilateral compression ultrasound) and VTE-related death. \- Major and clinically relevant non major bleeding, defined according to International Society of Thrombosis and haemostasis

    Time frame: 7 months

Secondary outcomes

  1. incidence of venous thromboembolic complications

    incidence of venous thromboembolic complications, symptomatic and asymptomatic, according to the thrombotic risk stratification of patients (low or high risk)

    Time frame: 7 months

  2. incidence of venous thromboembolic complications

    incidence of venous thromboembolic complications, symptomatic and asymptomatic, according to the time of treatment with iMiDs (diagnosis or relapse)

    Time frame: 7 months

  3. incidence of major and clinically relevant non major bleeding

    incidence of major and clinically relevant non major bleeding according to the thrombotic risk strtification of patients (low or high risk)

    Time frame: 7 months

  4. incidence of arterial cardiovascular events

    incidence of arterial cardiovascular events (myocardial infarction, ischemic stroke, TIA)

    Time frame: 7 months

07

Study locations

19 sites
  • CHRA
    Annecy, 74374, France
  • Ch La Cote Basque
    Bayonne, 64100, France
  • Hia Percy
    Clamart, 92141, France
  • Chu Hopital Henri Mondor
    Créteil, 94010, France
  • Centre Hospitalier
    Dunkirk, 59385, France
  • Chu Grenoble
    Grenoble, 38043, France
  • Chd Vendee
    La Roche-sur-Yon, 85925, France
  • Clinique Victor Hugo
    Le Mans, 72000, France
  • Hopital St Vincent - Ghicl
    Lille, 59020, France
  • Chru Hopital Huriez
    Lille, 59037, France
  • Centre Leon Berard
    Lyon, 69373, France
  • Groupe Hospitalier Du Havre
    Montivilliers, 76290, France
  • Hopital de L'Archet
    Nice, 06202, France
  • Hopital Pitie Salpetriere
    Paris, 75651, France
  • Chu Bordeaux
    Pessac, 33604, France
  • Ch de Perigueux
    Périgueux, 24000, France
  • Ch Lyon Sud
    Pierre-Bénite, 69310, France
  • Chu Poitiers
    Poitiers, 86021, France
  • Chru de Tours
    Tours, 37000, France
08

References and documents

Publications

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09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 13, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT02066454
Lead sponsor
University Hospital, Grenoble
Collaborators
Celgene
Responsible party
Sponsor
First posted
Feb 19, 2014
Start date
Jun 5, 2014
Primary completion
Jul 12, 2016
Completion
Jul 12, 2016
Last update
Aug 13, 2025

Study contacts

Brigitte PEGOURIE, MD
principal investigator · Hospital University Grenoble
Gilles PERNOD, PHD
principal investigator · Hospital University Grenoble

Oversight

Data monitoring committee
Yes
View the source record on ClinicalTrials.gov ↗

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