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Thiotepa is a chemotherapy drug used for the treatment of various types of cancer. It may used as a treatment on its own or in combinatin with other chemotherapy drugs. It is most commonly used to treat breast and ovarian cancer and for the local treatment of bladder and pleural cancer.
It is a colourless fluid when dissolved from a powder.
The side effects mentioned below may not affect everyone, as each patient's reaction to chemotherapy is different. It will also depend on how many chemotherapy drugs you are receiving. If you experience any side effects that you think are related to your chemotherapy, please discuss them with your oncology doctor or chemotherapy nurse.
You will be more prone to infection as thiotepa affects your white cell production from the bone marrow. This effect usually occurs about 10-14 days after your chemotherapy. You will have blood tests to check your levels before every chemotherapy dose to ensure your blood levels have returned to normal. Occasionally your treatment may be delayed until your blood levels come back to normal. If you notice any signs of infection visit your doctor for assessment.
You should contact your doctor or the Oncology Unit straight away if you if you have a sore throat,cough, pain passing urine, redness and swelling at e.g. at a catheter site. Or have a temperature of 38 degrees° C or greater.
Thiotepa can also affect the production of platelets, which can cause bleeding or bruising. Inform your doctor if you notice any unexplained bleeding or bruising.
You may feel lethargic and breathless due to a reduction in your red cells caused by thiotepa. Inform your doctor if you are feeling these effects.
Thiotepa can make you feel sick nausea or to to be sick / vomit . It may occur a few hours after you receive your first dose of treatment and can last for a number of days. Your doctor will prescribe some medications to prevent this anti-emetics .If you continue to feel sick it is important to inform your doctor.
You may feel very tired. This can last for a few months after your treatment. Inform your doctor or nurse of how you are feeling.
You may loose all your hair or it may just thin out. This usually happens after your first course of chemotherapy. This is temporary and your hair will grow back.
You may develop a sore mouth or ulcers due to your chemotherapy. You will be prescribed some mouthwashes. Inform your doctor or nurse if your mouth becomes sore or you develop ulcers. You may also experience some taste changes, which will resolve after you finish your treatment.
You may find that your skin is darker, this is due to an over production of pigment. This returns to normal when your chemotherapy is finished.
Some patients may experience some breathlessness, headaches; back pain, skin rash or facial swelling once the drug has been given. If you experience any of these effects tell your doctor or nurse immediately. You will be monitored very closely for signs of allergic reaction during your treatment. You may receive a drug before your chemotherapy to prevent this allergic reaction occurring.
You may experience a pain or swelling at the injection site (cannula) in you hand or arm while you are having your thiotepa treatment. You should inform your nurse or doctor if this occurs.
The side effects mentioned above usually occur when the chemotherapy is given into the vein (intravenously), they are less common when the chemotherapy is given in other ways. When thiotepa is given into the bladder it may irritate the lining of the bladder wall and you will have to pass urine more often (cystitis). You should inform our doctor if this occurs as medications can be given to reduce this feeling. When it is given around the spinal cord (intratheally) you may experience headaches and dizziness.
It is important to discuss this with your doctor as your fertility may be affected by thiotepa.
It is important to use a reliable form of contraception while you are on treatment and for at least two years after your treatment has completed. It is not advised to get pregnant or father a child while on treatment as the drugs may affect the foetus.
It is important to inform your doctor of any medications that you are taking, including over the counter medications or herbal drugs as they can interfere with some chemotherapy drugs.