A review of the venous thrombotic issues associated with multiple myeloma

Despina Fotiou1, Grigoris Gerotziafas2,3, Efstathios Kastritis1

  • 1a Department of Clinical Therapeutics , National and Kapodistrian University of Athens, School of Medicine , Athens , Greece.

Abstract

Insights

Patients with multiple myeloma face a high risk of venous thromboembolism (VTE), especially when treated with immunomodulatory drugs. Current prophylaxis methods are insufficient, highlighting the need for better risk assessment and biomarker research.

Area of Science:

  • Hematology
  • Oncology
  • Pharmacology

Background:

  • Multiple myeloma (MM) patients have a significantly increased risk of venous thromboembolic (VTE) complications.
  • VTE rates have risen with the use of novel agents, particularly immunomodulatory drugs (IMiDs) like thalidomide, lenalidomide, and pomalidomide.

Purpose of the Study:

  • To highlight the persistent challenge of VTE in multiple myeloma despite current prophylaxis strategies.
  • To emphasize the critical need to differentiate between intrinsic VTE risk in MM and therapy-induced risk.

Main Methods:

  • Review of current thromboprophylaxis recommendations for IMiD-based regimens in MM.
  • Analysis of risk factors influencing VTE in MM patients.
  • Discussion of the limitations of existing prophylaxis drugs (aspirin, LMWH, warfarin).

Main Results:

  • Standard thromboprophylaxis, while recommended, does not completely eliminate VTE events in MM patients.
  • Distinguishing intrinsic MM thrombosis risk from treatment effects is crucial for effective prevention.

Conclusions:

  • Current thromboprophylaxis strategies for MM are not fully effective in preventing VTE.
  • Further research into biomarkers and integrated risk assessment models is essential to identify high-risk patients who would benefit most from intensified prophylaxis.

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