Plerixafor contains the active substance plerixafor which blocks a protein on the surface of blood stem cells. This protein “ties” blood stem cells to the bone marrow. Plerixafor improves the release of stem cells into the blood stream (mobilisation). The stem cells can then be collected by a machine that separates blood constituents (apheresis machine), and subsequently frozen and stored until your transplant.

If mobilisation is poor, Plerixafor is used to help collect blood stem cells from the patient, for collection, storage and reintroduction (transplantation),

- In adults who have lymphoma (a cancer of the white blood cells) or multiple myeloma (a cancer that      affects plasma cells in the bone marrow).

- In children age 1 to less than 18 years of age with lymphoma or solid tumours.

Do not use Plerix

·       if you are allergic to plerixafor or any of the other ingredients of this medicine (listed in section 6).

Warnings and precautions

Talk to your doctor before using Plerixafor

Tell your doctor:

·       if you have or have had any heart problems.

·       if you have kidney problems. Your doctor may adjust the dose.

·       if you have high white blood cell counts.

·       if you have low platelet counts.

·       if you have a history of feeling faint or lightheaded on standing or sitting or have fainted before upon injections.

Your doctor may perform regular blood tests to monitor your blood cell count.

It is not recommended to use Plerixafor for stem cell mobilisation if you have leukaemia (a cancer of the blood or bone marrow).

Other medicines and Plerix

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

Pregnancy and breast-feeding

You should not use Plerixafor if you are pregnant, since there is no experience with Plerixafor in pregnant women. It is important to tell your doctor if you are, think you may be or are planning to become pregnant. It is recommended to use contraception if you are of child-bearing age. You should not breast-feed if you are using Plerixafor, since it is not known if Plerixafor is excreted in human milk.

Driving and using machines

Plerixafor may cause dizziness and fatigue. Therefore, you should avoid driving if you feel dizzy, tired or unwell.

Plerix contains sodium

This medicine contains less than 1 mmol sodium (23 mg) per dose, i.e. essentially ‘sodium-free’.

Your medicine will be injected by a doctor or a nurse.

You will first receive G-CSF, then you will be given Plerix Mobilisation will be started by first giving you another medicine called G-CSF (granulocyte-colony stimulating factor). G-CSF will help Plerixafor to work properly in your body. If you want to know more about G-CSF ask your doctor and read the corresponding package leaflet.

How much Plerix is given?

The recommended adult dose is either a 20 mg (fixed dose) or 0.24 mg/kg body weight/day.

The recommended dose for children, 1 to less than 18 years of age is 0.24 mg/kg of body weight/day.

Your dose will depend on your body weight, which should be measured the week before you receive your first dose. If you have moderate or severe kidney problems, your doctor will reduce the dose.

How is Plerix given?

Plerix is given by subcutaneous injection (under your skin). When is Plerixafor given for the first time?

You will receive your first dose 6 to 11 hours before apheresis (collection of your blood stem cells).

How long will Plerix be given?

Treatment lasts 2 to 4 consecutive days (in some cases up to 7 days), until enough stem cells have been collected for your transplant. In a few cases, enough stem cells may not be collected, and the collection attempt will be stopped.

t. In a few cases, enough stem cells may not be collected, and the collection attempt will be stopped.

Like all medicines, this medicine can cause side effects, although not everybody gets them.

Please tell your doctor immediately if

shortly after receiving Plerix, you experience rash, swelling around the eyes, shortness of breath or lack of oxygen, feeling lightheaded on standing or sitting, feeling faint or fainting

you have pain in the upper left abdomen (belly) or your left shoulder

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

·       diarrhoea, nausea (feeling sick), injection site redness or irritation

·       low red blood cell count by laboratory test (anaemia in children)

Common side effects (may affect up to 1 in 10 people)

·       headache

·       dizziness, feeling tired or unwell

·       difficulty in sleeping

·       flatulence, constipation, indigestion, vomiting

·       stomach symptoms such as pain, swelling or discomfort

·       dry mouth, numbness around the mouth

·       sweating, generalised redness of the skin, joint pains, pains in muscles and bones

Uncommon side effects (may affect up to 1 in 100 people)

·       allergic reactions such as skin rash, swelling around the eyes, shortness of breath

·       anaphylactic reactions, including anaphylactic shock

·       abnormal dreams, nightmares

Rarely, gastrointestinal side effects may be severe (diarrhoea,vomiting, stomach pain and nausea).

Heart attacks

In clinical trials, patients with risk factors for a heart attack uncommonly suffered heart attacks after being given Plerixafor and G-CSF. Please inform your doctor immediately if you experience chest discomfort.

Pins and needles and numbness

Pins and needles and numbness are common in patients being treated for cancers. About one in five patients suffered from these feelings. However, these effects do not seem to occur more frequently when you use Plerixafor.

You may also have an increase in white blood cells count (leucocytosis), in your blood tests.

Reporting of side effects

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

 • Saudi Arabia:

o Other GCC States:  Please contact the relevant competent authority.

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 and vial.

This medicine does not require any special storage conditions. After opening the vial, Plerixafor should be used immediately.

Do not throw away any medicines via wastewater or household waste. The pharmacist will throw away medicines you no longer use. These measures will help protect the environment.