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Cyclophosphamide in Neurologic Autoimmune Disease

Use of cyclophosphamide as immunosuppressive therapy in severe and refractory neurologic autoimmune disorders.

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Nöroloji department. Book Appointment →

What is Cyclophosphamide in Neurologic Autoimmune Disease?

Cyclophosphamide is an alkylating cytotoxic agent that suppresses humoral and cellular immunity by cross-linking DNA strands in proliferating lymphocytes. It is reserved for severe, refractory or rapidly progressive neurologic autoimmune diseases, including neuromyelitis optica spectrum disorder, refractory myasthenia gravis, autoimmune encephalitis, central nervous system vasculitis and severe systemic lupus erythematosus with neurologic involvement.

Treatment protocols typically involve monthly intravenous pulses (500-1000 mg/m^2) for 6 months as induction, followed by transition to a maintenance immunosuppressive agent. Less commonly, daily oral therapy is used. Pre-medication with anti-emetics and mesna for hemorrhagic cystitis prophylaxis is essential.

Toxicity includes myelosuppression, opportunistic infections, hemorrhagic cystitis, gonadal toxicity with infertility risk and long-term risk of bladder cancer and hematologic malignancies. Fertility preservation counseling and infection prophylaxis (Pneumocystis pneumonia) are integral to care.

Symptoms

Refractory autoimmune neurologic disease
Severe NMOSD relapse
Refractory myasthenic crisis
Severe autoimmune encephalitis
CNS vasculitis
Lupus with severe CNS involvement
Failure of steroid and second-line agents

Risk Factors

Severe disease at presentation
Failure of conventional immunotherapy
Rapid progression
Life-threatening neurologic decline
Refractory relapses
High disease activity index
Need for rapid immunosuppression

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Severe neurologic relapse despite therapy
  • Rapid neurologic decline
  • Refractory CNS vasculitis
  • Severe NMOSD or autoimmune encephalitis
  • Lupus with progressive neurologic involvement
  • Need for fertility counseling pre-treatment

Treatment Methods

01
Pulse intravenous cyclophosphamide
02
Mesna and anti-emetic prophylaxis
03
PJP and antiviral prophylaxis
04
Fertility preservation discussion
05
Maintenance immunosuppression after induction
06
Bladder cancer screening long-term
07
Multidisciplinary follow-up

Which Department to Visit?

You can visit our Nöroloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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You can make an appointment with our specialists or contact us for your concerns.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.