[Renal Complications Of Cancer Immunotherapy]
Deutsche Medizinische Wochenschrift (1946)
|July 27, 2026
Summary
Immune checkpoint inhibitors (ICIs) can cause rare kidney damage, often presenting as acute interstitial nephritis. Early diagnosis and treatment with corticosteroids generally lead to favorable renal outcomes in cancer patients.
Area of Science:
- Nephrology
- Oncology
- Immunology
Background:
- Immune checkpoint inhibitors (ICIs) are effective cancer therapies but can cause immune-related adverse events.
- Immune-mediated renal toxicity from ICIs is uncommon but can be severe and delayed.
- Diagnosing ICI-induced kidney injury is challenging due to overlapping causes of acute kidney injury.
Purpose of the Study:
- To review the characteristics, diagnosis, and management of immune-mediated renal toxicity associated with cancer immunotherapies.
- To highlight the diagnostic difficulties and treatment strategies for ICI-related nephritis.
- To discuss the potential renal effects of emerging immunotherapies like CAR-T-cell and BiTE therapies.
Main Methods:
- Review of literature on immune-mediated renal toxicity in patients receiving cancer immunotherapy.
- Analysis of clinical presentations, diagnostic findings (including kidney biopsies), and treatment outcomes.
- Discussion of the role of acute interstitial nephritis as the primary histopathological finding.
Main Results:
- Acute interstitial nephritis is the most common renal biopsy finding in ICI-induced nephritis.
- Discontinuation of ICI therapy and corticosteroid administration are effective treatments.
- Renal outcomes are typically favorable with appropriate management.
- CAR-T-cell and BiTE therapies have a minor role in renal toxicity but warrant further attention due to increased use.
Conclusions:
- ICI-mediated nephritis is a rare but significant adverse event in cancer immunotherapy.
- Prompt diagnosis and treatment, primarily with corticosteroids, lead to good renal recovery.
- Emerging immunotherapies require increased vigilance for potential renal toxicities.
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