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Uplizna 100 mg concentrate for solution for infusion – patient leaflet, side effects, dosage

Last updated: · Text from the MHRA, as of · About this document

Medicine strength:
100 mg

Patient leaflet - Uplizna 100 mg concentrate for solution for infusion

1. What Uplizna is and what it is used for

Uplizna contains the active substance inebilizumab and belongs to a class of medicines called monoclonal antibodies. It is a protein that targets antibody-producing cells in the immune system (the body’s natural defences) called B-cells.

Uplizna is used to treat adults with:

  • Neuromyelitis optic spectrum disorder (NMOSD), a rare condition

    which affects the nerves of the eye and spinal cord. The condition is thought to be due to the immune system mistakenly attacking the nerves in the body. Uplizna is given to patients with NMOSD whose B cells produce antibodies against aquaporin-4, a protein that plays an important role in nerve function.

  • Immunoglobulin G4-related disease (IgG4-RD), a rare condition

    which affects multiple organs in the body. The condition is due to the immune system damaging the body’s own tissues. Patients with IgG4-RD may have high levels of a specific type of antibody called IgG4. B cells producing IgG4 build up in affected tissues and contribute to organ damage.

  • Generalized myasthenia gravis (gMG), is a rare condition where

    the immune system attacks and damages muscle cells causing muscle weakness throughout the body. Patients with gMG produce IgG autoantibodies against specific proteins, which disrupt or block communication between nerves and muscles.

2. What you need to know before you use Uplizna

Do not use Uplizna

  • if you are allergic to inebilizumab or any of the other ingredients

    of this medicine (listed in section 6).

  • if you are suffering from a severe active infection such as hepatitis B.
  • if you have active or untreated latent tuberculosis.
  • if you have a history of progressive multifocal leukoencephalopathy

    (PML), an uncommon but serious brain infection caused by a virus.

  • if you have been told that you have severe problems with your

    immune system.

  • if you have cancer.

Warnings and precautions

Talk to your doctor, pharmacist, or nurse before you are given Uplizna if you:

  • have or think you have an infection.
  • have ever taken, take, or plan to take medicines that affect your

    immune system, or other treatments for your condition. These medicines could increase your risk of getting an infection.

  • have ever had hepatitis B or are a carrier of the hepatitis B virus
  • have ever had hepatitis C or are a carrier of the hepatitis C virus.
  • have had a recent vaccination or are scheduled to receive any

    vaccinations. You should receive any required vaccines at least 4 weeks before you start treatment with Uplizna.

Uplizna can cause infusion-related reactions, which can include headache, feeling sick (nausea), sleepiness, shortness of breath, fever, muscle pain, rash, palpitations or other symptoms. Treatment may be interrupted or stopped if symptoms occur.

Children and adolescents

This medicine should not be given to children and adolescents because it has not been studied in this population.

Other medicines and Uplizna

Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines.

Pregnancy, breast-feeding and fertility

If you are pregnant, think you may be pregnant, or are planning to have a baby, ask your doctor for advice before you are given this medicine.

Pregnancy

Uplizna should not be used during pregnancy as the medicine may pass across the placenta and affect the baby. If you are able to get pregnant you should use birth control (contraception) continuously once you start receiving Uplizna. If your doctor recommends stopping treatment, continue your contraception until 6 months after your last infusion.

Breast-feeding

It is not known if Uplizna passes into breast milk. If you are breast-feeding, talk to your healthcare provider about the best way to feed your baby if you start treatment with Uplizna.

Driving and using machines

Uplizna is not expected to impact your ability to drive or use machines.

Uplizna contains sodium

This medicine contains 48 mg sodium (main component of cooking/table salt) in each infusion. This is equivalent to 2% of the recommended maximum daily dietary intake of sodium for an adult.

Uplizna contains polysorbate

This medicine contains 1 mg of polysorbate 80 per vial which is equivalent to 0.1 mg/mL.

Polysorbates may cause allergic reactions. Tell your doctor if you have any known allergies.

3. How Uplizna is given

Uplizna is given by a drip (infusion) into a vein under the supervision of a doctor experienced in treating patients with your condition.

The recommended dose is 300 mg.

The first dose is followed 2 weeks later by a second dose, and after that a dose every 6 months.

You will be given other medicines half an hour to an hour before the infusion, to reduce the risk of side effects. A doctor or nurse will monitor you during the infusion and for an hour afterward.

If you have any further questions on the use of this medicine, ask your doctor.

4. Possible side effects

Like all medicines, this medicine can cause side effects, although not everybody gets them. Your doctor will discuss the possible side effects with you and explain the risks and benefits of Uplizna prior to treatment.

Serious side effects

The most serious side effects are infusion-related reactions and infections (see section 2). These side effects may happen any time during treatment or even after your treatment has ended. You may experience more than one side effect at the same time. If you have an infusion-related reaction or infection, call or see your doctor right away.

Other side effects

Very common (may affect more than 1 in 10 people)

  • bladder infection
  • infection in the nose, throat, sinuses, and/or lungs
  • common cold (nasopharyngitis)
  • flu
  • joint pain
  • back pain
  • immunoglobulins decreased
  • lower-than-normal number lymphocyte (a form of white blood cells)

    in the blood (lymphopenia)

  • reaction to the Uplizna infusion (see Infusion-related reactions, above)
  • headache

Common (may affect up to 1 in 10 people)

  • lower-than-normal number of neutrophils (a form of white blood cells)

    in the blood, sometimes occurring 4 weeks or more after the latest dose of Uplizna (neutropenia; late-onset neutropenia)

  • swollen sinuses usually caused by an infection
  • pneumonia (lung infection)
  • cellulitis, a potentially serious bacterial skin infection
  • shingles (herpes zoster, a painful, blistering rash in one part of

    the body)

  • muscle pain (myalgia)
  • fever (pyrexia)
  • cough

    Uncommon (may affect up to 1 in 100 people)

    • infection in the blood (sepsis), an unusually severe response to an infection
    • progressive multifocal leukoencephalopathy (PML), an uncommon but serious brain infection caused by a virus
    • abscess (an infection under the skin usually caused by bacteria)
    • bronchiolitis, an infection of the airways caused by a virus

Reporting of side effects

If you get any side effects, talk to your doctor, pharmacist, or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly by using the Yellow Card scheme (see details below). By reporting side effects, you can help provide more information on the safety of this medicine.

Yellow Card Scheme

Website: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or

Apple App Store

5. How to store Uplizna

Keep this medicine out of the sight and reach of children. Do not use this medicine after the expiry date, which is stated on the carton after “EXP”. The expiry date refers to the last day of that month. Store in a refrigerator at 2°C to 8°C.

Store in the original carton to protect from light.

Do not freeze.

Do not use this medicine if you notice particulate matter and discolouration.

6. Contents of the pack and other information

What Uplizna contains

  • The active substance is inebilizumab.
  • Each vial contains 100 mg of inebilizumab.
  • The other ingredients are histidine, histidine hydrochloride monohydrate, polysorbate 80 [E433], sodium chloride, trehalose dihydrate, and water for injections.

What Uplizna looks like and contents of the pack

Uplizna 100 mg concentrate for solution for infusion is a clear to slightly opalescent, colourless to slightly yellow solution supplied as one carton containing 3 vials.

Marketing Authorisation Holder

Amgen Limited

216 Cambridge Science Park

Milton Road

Cambridge

CB4 0WA

United Kingdom

Manufacturer

Horizon Therapeutics Ireland DAC

Pottery Road

Dun Laoghaire

Co. Dublin

A96 F2A8

Ireland

For any information about this medicine, please contact the Marketing Authorisation Holder:

Amgen Limited

Tel: +44 (0)1223 420305

This leaflet was last revised in March 2026

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Instructions for use for healthcare professionals handling Uplizna.

The following information is intended for healthcare professionals only.

Preparation of infusion solution

Prior to the start of the intravenous infusion, the prepared infusion solution should be at room temperature between 20°C and 25°C.

The concentrate should be visually inspected for particulate matter and discolouration. The vial should be discarded if the solution is cloudy, discoloured, or it contains discrete foreign particulate matter.

  • The vial should not be shaken.
  • The vial should be stored upright.
  • Obtain an intravenous bag containing 250 mL of sodium chloride

    9 mg/ml (0.9%) solution for injection. Do not use other diluents to dilute inebilizumab as their use has not been tested.

  • Withdraw 10 mL of Uplizna from each of the 3 vials contained in the carton and transfer a total of 30 mL into the 250 mL intravenous bag. Mix diluted solution by gentle inversion. Do not shake the solution.

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About this document

Source: MHRA - Medicines and Healthcare products Regulatory Agency (products.mhra.gov.uk) · Marketing authorisation: PLGB 13832/0099

Last revision stated in the text: March 2026 · MHRA data as of 13 October 2026

Found a mistake? Tell us on the contact page.

The information on this site does not replace the advice of a doctor or pharmacist.

Facts about Uplizna 100 mg concentrate for solution for infusion

Strength 100 mg
Marketing authorisation PLGB 13832/0099

Sources: the MHRA product information (products.mhra.gov.uk). Contains public sector information licensed under the Open Government Licence v3.0.