Nipocalimab-Aahu: uses, dosing, side effects & brands
Nipocalimab-Aahu is a medicine sold in the U.S. under one brand, for myasthenia gravis. Below: what the FDA label says, every product that contains it, what the pills look like, and its recall record.
Key facts
- Treats
- Myasthenia Gravis
- Available as
- Injectable
- Sold as
- Imaavy
- Prescription?
- Prescription only
- Generic available?
- Not in our catalog
How nipocalimab-aahu is dosed
From the FDA label for Imaavy (application BLA761430). Other nipocalimab-aahu products — different forms, different strengths — are dosed differently. Follow the label for the one you were prescribed.
See Full Prescribing Information for instructions on dosage, preparation, and administration. ( 2.1 , 2.2 , 2.3 ) Evaluate the need to administer age-appropriate vaccines according to immunization guidelines before initiation of IMAAVY. ( 2.1 ) Administer via intravenous infusion only. ( 2.2 ) The recommended initial dosage is 30 mg/kg once via intravenous infusion over at least 30 minutes. Two weeks after the initial dosage, administer a maintenance dosage of 15 mg/kg via intravenous infusion over at least 15 minutes, and continue every two weeks thereafter. ( 2.2 ) Must be diluted with 0.9% sodium chloride injection prior to administration. ( 2.3 ) Administer as an intravenous infusion via a 0.2 micron in-line or add-on filter. ( 2.3 ) 2.1 Recommended Vaccination Evaluate the need to administer age-appropriate vaccines according to immunization guidelines before initiation of IMAAVY. Because IMAAVY causes transient reduction in IgG levels, vaccination with live vaccines is not recommended during treatment with IMAAVY [see Warnings and Precautions (5.1) ]. 2.2 Recommended Dosage Dilute IMAAVY prior to administration. Administer via intravenous infusion only [see Dosage and Administration (2.3) ] . The recommended initial dosage of IMAAVY is 30 mg/kg administered once via intravenous infusion over at least 30 minutes. Two weeks after the initial dosage administer a maintenance…
Nipocalimab-Aahu side effects
The following clinically significant adverse reactions are described elsewhere in the labeling Infections [see Warnings and Precautions (5.1) ] Hypersensitivity Reactions [see Warnings and Precautions (5.2) ] Infusion-related Reactions [see Warnings and Precautions (5.3) ] The most common adverse reactions (≥10%) in patients with gMG treated with IMAAVY were respiratory tract infections, peripheral edema, and muscle spasms. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Janssen Biotech, Inc. at 1-800-526-7736 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Adults In Study 1 and its extension study the safety of IMAAVY was evaluated in 186 patients with gMG who received at least one dose of IMAAVY. Of those patients, 168 patients were exposed to IMAAVY every 2 weeks for at least 6 months, and 140 patients were exposed for at least 12 months. In Study 1, 98 adult patients with gMG received IMAAVY 15 mg/kg every two weeks (after 30 mg/kg initial dose) [see Clinical Studies (14) ]. Of these 98 patients, approximately 67% were female, 67% were White, 29% were Asian, and 10% were of…
Who shouldn’t take nipocalimab-aahu
IMAAVY is contraindicated in patients with a history of serious hypersensitivity reaction to nipocalimab or any of the excipients in IMAAVY. Reactions have included anaphylaxis and angioedema [see Warnings and Precautions (5.2) ] . IMAAVY is contraindicated in patients with a history of serious hypersensitivity reaction to nipocalimab or to any of the excipients in IMAAVY. ( 4 )
Nipocalimab-Aahu drug interactions
Closely monitor for reduced effectiveness of medications that bind to the human neonatal Fc receptor. When concomitant long-term use of such medications is essential for patient care, consider discontinuing IMAAVY and using alternative therapies. ( 7 ) 7.1 Effect of IMAAVY on Other Drugs Concomitant use of IMAAVY with medications that bind to the human neonatal Fc receptor (FcRn) (e.g., immunoglobulin products, monoclonal antibodies, or antibody derivates containing the human Fc domain of the IgG subclass) may lower systemic exposures and reduce effectiveness of such medications. Closely monitor for reduced effectiveness of medications that bind to the human neonatal Fc receptor. When concomitant long-term use of such medications is essential for patient care, consider discontinuing IMAAVY, and using alternative therapies [see Clinical Pharmacology (12.3) ] .
Every nipocalimab-aahu product we track (1)
Same active ingredient — different manufacturer, form, price and FDA recall record. That last one is what our independent score measures.
Only one: Imaavy.
What people report to the FDA about nipocalimab-aahu
The FDA Adverse Event Reporting System (FAERS) collects reports from patients and clinicians. It holds 1 reports naming nipocalimab-aahu. The effects reported most often — leaving out reports about overdose, misuse or the condition being treated, which dominate the raw list for common medicines:
- diplopia1 reports
- dyspnoea1 reports
- eyelid ptosis1 reports
- intraocular pressure test1 reports
- muscular weakness1 reports
Read these as a signal, not a rate. A report does not mean nipocalimab-aahu caused the effect — anyone can file one, and many describe people taking several medicines for several conditions. Crucially there is no denominator: FAERS does not record how many people took the drug, so these counts cannot be turned into “X% of patients” — a bigger number often just means a more widely used or more talked-about drug. Duplicates exist, and publicity drives reporting. For what is actually established, read the FDA label section above.
Source: openFDA drug/event (FAERS), retrieved July 25, 2026.
Related calculators
Frequently asked questions
What is nipocalimab-aahu?
Imaavy (Nipocalimab-Aahu) is a medication used to treat Myasthenia Gravis.
Can you take nipocalimab-aahu with other medicines?
It depends on the medicine. We check it against the FDA labels rather than guessing: our interaction checker searches each drug's own label for the other and quotes what it says, naming the section it came from. Run nipocalimab-aahu against whatever else you take — and remember that a label not naming a drug is not the same as that combination being safe.
What forms does nipocalimab-aahu come in?
Across the brands we track, nipocalimab-aahu is currently marketed as injectable, per the FDA's National Drug Code Directory. Each form is dosed differently — follow the label for the exact product you were prescribed.
Is there a generic nipocalimab-aahu?
We do not currently list a generic-labelled nipocalimab-aahu product. That does not always mean none exists — it means none appears under a generic name in the FDA data we track. Ask your pharmacist.
Cite this page
- APA
- pharmaranks. (2026, July 24). Nipocalimab-Aahu: uses, dosing, side effects & brands. https://pharmaranks.com/drugs/nipocalimab-aahu
- MLA
- “Nipocalimab-Aahu: uses, dosing, side effects & brands.” pharmaranks, 24 July 2026, https://pharmaranks.com/drugs/nipocalimab-aahu.
We summarise public FDA and NIH sources — for a clinical claim, cite the primary source we link to as well.
Sources: FDA openFDA drug label, National Drug Code Directory, and Enforcement (recall) database. This page reproduces public FDA data and is not medical advice. Dosing is set by your prescriber.
Read the full FDA label for nipocalimab-aahu on DailyMed (NIH) ↗.