- if you are allergic to bexarotene or any of the other ingredients of this medicine (listed in section 6).
- if you are pregnant or breast feeding or if you can become pregnant and are not using effective birth control measures.
- if you have a history of pancreatitis, have uncontrolled lipid (blood fats) elevations (high blood cholesterol or high blood triglycerides), have a condition known as hypervitaminosis A, have uncontrolled thyroid disease, have insufficient liver function or have an ongoing systemic infection.
Talk to your doctor before taking Targretin
- if you have a known hypersensitivity to retinoids (related to vitamin A), suffer from liver disease, have high blood lipids or take medicines which may cause high blood lipids, have uncontrolled diabetes mellitus (sugar diabetes), have had gall bladder or biliary tract disease, or consume excessive amounts of alcohol.
- if you have ever had any mental health problems including depression, aggressive tendencies or mood changes. This is because taking Targretin may affect your mood.
Your fasting blood lipid determinations may have to be performed before therapy is initiated and at weekly intervals afterwards, and then monthly while taking this medicine.
Blood tests to evaluate the function of your liver and thyroid gland and to monitor your red blood cell and white blood cell counts will be obtained before therapy is started and will be monitored during therapy.
Periodic eye exams may be needed if you experience visual difficulties while taking this medicine.
Minimise exposure to sunlight as much as possible and avoid exposure to sun lamps.
Do not take more than 15,000 International Units of vitamin A supplements per day during treatment.
Mental health problems
You may not notice some changes in your mood and behaviour and so it is very important that you tell your friends and family that this medicine could affect your mood and behaviour. They may notice these changes and help you identify any problems that you need to talk to your doctor about.
Targretin capsules should not be used in children or adolescents.
Tell your doctor if you are taking, have recently taken or might take any other medicines, such as
- ketoconazole and itraconazole (used against fungal infections),
- erythromycin, clarithromycin and rifampicin (used against bacterial infections),
- phenytoin and phenobarbital (used against seizures),
- gemfibrozil (used to reduce high levels of fats in the blood such as triglycerides and cholesterol),
- vitamin A supplements, protease inhibitors (used against viral infections),
- tamoxifen (used against some forms of cancer),
- dexamethasone (used for inflammatory conditions),
- insulin, agents enhancing insulin secretion, or insulin-sensitisers (used against diabetes mellitus).
This is important as using more than one medicine at the same time can strengthen or weaken the effect of the medicines.
Targretin should be taken with food (see section 3). If you regularly consume grapefruit or grapefruit juice, please consult your doctor as these have the potential to alter your body’s response to Targretin therapy.
Targretin may be harmful to a developing foetus. DO NOT use Targretin if you are pregnant or breast-feeding. If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor for advice before taking this medicine.
If you are capable of becoming pregnant, you must have a pregnancy test within one week before you start therapy, confirming you are not pregnant. You must use effective contraception (birth control) continuously starting one month before beginning therapy until one month after you stop taking Targretin. It is recommended that two reliable forms of contraception be used together. If you are taking a hormonal contraceptive (for example, birth control pills), you should discuss this with your doctor.
If you are male and your partner is pregnant or capable of becoming pregnant, you must use condoms during sexual intercourse while taking bexarotene and for at least one month after the last dose.
It is not known whether Targretin has an effect on your ability to drive a car or operate machinery. If you experience dizziness or problems with your vision during therapy, do not drive or operate machinery.
Targretin contains a small amount of sorbitol (a type of sugar). If you have an intolerance to some sugars, speak to your doctor before taking this medicinal product.
Butylated hydroxyanisole may cause irritation to the mucous membranes, therefore the capsules must be swallowed intact and not chewed.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Tell your doctor as soon as possible if you feel any deterioration in your condition while you are taking Targretin. Sometimes it is necessary to adjust the dose or interrupt treatment. Your doctor will advise you on what to do.
The following side effects were reported in patients with CTCL who were treated with the recommended initial dose of capsules.
Very common (can occur in more than 1 in 10 patients treated):
Low white blood cell count.
Lowering of thyroid hormones level.
Elevation of blood fats (triglycerides and cholesterol).
Skin reactions (Itching, redness, irritation, peeling).
Headache, fatigue, pain.
Common (can occur in up to 1 in 10 patients treated):
Low red blood cell count, enlarged lymph nodes, worsening of lymphoma.
Thyroid disorder.
Elevation of liver enzymes, impaired kidney function, low protein in blood, weight gain.
Insomnia, dizziness, reduced skin sensation.
Dry eyes, deafness, abnormal sensations of the eye including irritation and heaviness.
Swelling of legs and arms.
Nausea, diarrhoea, dry mouth, dry lips, loss of appetite, constipation, excess gas, abnormal liver function tests, vomiting.
Dry skin, skin disorder, loss of hair, skin ulcer, acne, skin thickening, skin nodule, increased sweating.
Joint aches, bone pain, muscle aches.
Chills, abdominal pain, allergic reaction, infection.
Uncommon (can occur in up to 1 in 100 patients treated):
Blood disorders, eosinophilia, leukocytosis, lymphocytosis, purpura, elevated and decreased numbers of blood platelets.
Overactive thyroid.
Elevated bilirubin in the blood, impaired kidney function, gout, decreased HDL cholesterol.
Agitation, difficulties with balance, depression, increased skin sensation on touching, abnormal nerve sensations, vertigo.
Abnormal vision, blurred vision, inflammation of the eye lids, cataract, inflammation of the white part of the eye, lesion of the cornea of the eye, ear disorder, defect in field of vision.
Swelling, bleeding, high blood pressure, fast heart rate, visible vein enlargement, dilation of blood vessels.
Gastrointestinal disorder, liver failure, inflammation of the pancreas.
Changes in hair, herpes simplex, nail disorder, pustular rash, serous drainage, skin discoloration.
Muscle weakness.
Proteins in urine, abnormal kidney function.
Back pain, skin infection, fever, parasitic infection, abnormal laboratory test, disorder of mucous membrane, tumour.
Rare fatal side effects are acute inflammation of the pancreas, bleeding in the head, and liver failure.
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 via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play and Apple App store. By reporting side effects you can help provide more information on the safety of this medicine.