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Nephrotic syndrome associated with interferon-beta-1b therapy for multiple sclerosis
Ryuichiro Kumasaka1, Norio Nakamura, Kenichi Shirato
1The Second Department of Internal Medicine, Hirosaki University School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori, 036-8562, Japan. rkuma-cc@umin.ac.jp
Clinical and Experimental Nephrology
|September 30, 2006
Summary
Interferon (IFN)-beta-1b therapy for multiple sclerosis (MS) can rarely cause nephrotic syndrome. Prompt treatment with corticosteroids and drug cessation led to remission of both conditions.
Area of Science:
- Nephrology
- Neurology
- Pharmacology
Background:
- Multiple sclerosis (MS) is a chronic neurological disease.
- Interferon (IFN)-beta-1b is a common treatment for MS.
- Adverse drug reactions require careful monitoring.
Observation:
- A 43-year-old female MS patient developed nephrotic syndrome 21 months after initiating subcutaneous IFN-beta-1b.
- Renal biopsy confirmed minimal change nephrotic syndrome.
- Symptoms persisted despite drug cessation, necessitating corticosteroid treatment.
Findings:
- Oral corticosteroid therapy (prednisolone) successfully treated the nephrotic syndrome.
- Discontinuation and subsequent re-initiation of IFN-beta-1b therapy resulted in remission of both nephrotic syndrome and MS.
- This case highlights a rare but manageable adverse effect of IFN-beta-1b.
Implications:
- Physicians should monitor MS patients on IFN-beta-1b for renal complications like nephrotic syndrome.
- Early recognition and management, including potential drug cessation and corticosteroid use, are crucial.
- Successful management allows for continued MS treatment while resolving the adverse effect.
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