Immunosuppression associated with novel chemotherapy agents and monoclonal antibodies
1Hematology, Oncology and Infectious Diseases, University of Minnesota/Minneapolis VAMC.
Abstract:
The introduction of novel agents to the therapeutic armamentarium for oncologic, rheumatologic, and neurologic disorders has resulted in major clinical advances. These agents impact immune function, resulting in a discrete spectrum of infectious complications. Purine analogues and alemtuzumab alter cell-mediated immunity, resulting in opportunistic viral/fungal infections. Herpes zoster incidence increases with bortezomib. Hepatitis B reactivation may occur with rituximab. Cases of progressive multifocal leukoencephalopathy have occurred following monoclonal antibody therapy. Tumor necrosis factor-α inhibitor therapy is complicated by tuberculosis reactivation and fungal infections. We summarize the impact of these therapies on pathogenesis and spectrum of infection complicating their usage.
Insights
Novel cancer, autoimmune, and neurological therapies can weaken the immune system, increasing risks of opportunistic infections like viral, fungal, and reactivation of tuberculosis or hepatitis B.
Area of Science:
- Immunology
- Oncology
- Neurology
- Rheumatology
Background:
- Novel therapeutic agents have advanced oncologic, rheumatologic, and neurologic disorder treatments.
- These advanced therapies modulate immune function, leading to specific infectious complications.
Purpose of the Study:
- To summarize the impact of novel therapeutic agents on the pathogenesis and spectrum of associated infections.
- To highlight the infectious risks associated with immunomodulatory treatments.
Main Methods:
- Literature review and synthesis of clinical data.
- Analysis of infectious complications linked to specific novel agents.
Main Results:
- Purine analogues and alemtuzumab are associated with opportunistic viral/fungal infections.
- Bortezomib increases herpes zoster incidence; rituximab may cause hepatitis B reactivation.
- Monoclonal antibodies and tumor necrosis factor-α inhibitors are linked to progressive multifocal leukoencephalopathy, tuberculosis reactivation, and fungal infections.
Conclusions:
- Understanding the immune-modulating effects of novel therapies is crucial for managing infectious risks.
- Proactive monitoring and management are essential to mitigate infections in patients receiving these advanced treatments.
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