This information is intended for US patients and caregivers to access current scientific information about J&J Innovative Medicine products. It is prepared by Medical Information and is not intended to promote the use of our products, nor to provide medical advice.

How Will I Receive IMAAVY?

Last Updated: 08/31/2026

SUMMARY  

Here is a passage from the IMAAVY PATIENT INFORMATION, which may be helpful to address your question:

How will I receive IMAAVY?

  • Your healthcare provider will give you IMAAVY through a needle placed into your vein (intravenous [IV] infusion).1
  • For generalized myasthenia gravis (gMG), you will receive a starting dose of IMAAVY infusion lasting at least 30 minutes. Two weeks later, you will receive your next dose of IMAAVY infusion lasting at least 15 minutes. You will receive your following doses every 2 weeks.1  
  • For warm autoimmune hemolytic anemia (wAIHA), you will receive a starting dose of IMAAVY infusion lasting at least 30 minutes. Four weeks later, you will receive your next dose of IMAAVY infusion lasting at least 15 minutes. You will receive your following doses every 4 weeks.1  
  • Your healthcare provider should monitor you for reactions to IMAAVY during the infusion and for 30 minutes after each infusion.1
    • If you have a reaction during your IMAAVY infusion, your healthcare provider may infuse IMAAVY more slowly, or give you medicine before your infusion, or stop your infusion if your reaction is severe.
  • If you miss a scheduled IMAAVY infusion, you should receive your next dose as soon as possible.1

ADDITIONAL INFORMATION

This information is provided ONLY in response to your request and is not intended as medical advice, to promote the use of our product, or suggest using it in any manner other than as described in the PRESCRIBING INFORMATION. All decisions regarding your medical treatment should be made with your healthcare professional(s). Please contact your healthcare professional(s) to discuss the information in this response.

Please refer to the attached full PRESCRIBING INFORMATION and the PATIENT INFORMATION for IMAAVY.1 

References

1 IMAAVY (nipocalimab-aahu) [Prescribing Information]. Horsham, PA: Janssen Biotech, Inc; https://www.jnjlabels.com/package-insert/product-monograph/prescribing-information/IMAAVY-pi.pdf
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