Patient Medication Information: uses, side effects, how to take - Mar-Temozolomide
What is MAR-TEMOZOLOMIDE used for?
MAR-TEMOZOLOMIDE is used to treat adults with:
Gliobastoma multiforme that:
- was recently diagnosed. These patients will also be treated with radiation.
- that has come back or gotten worse after other treatment.
- Anaplastic astrocytoma that has come back or gotten worse after other treatment .
How does MAR-TEMOZOLOMIDE work?
MAR-TEMOZOLOMIDE is an antitumor agent. It acts on cancer cells. Normal cells may also be affected which may lead to side effects.
What are the ingredients in MAR-TEMOZOLOMIDE?
Medicinal ingredient: temozolomide
Non-medicinal ingredients:
Ammonia solution concentrated, anhydrous lactose, black iron oxide, colloidal silicon dioxide, FD & C blue no. 2 (5 mg and 140 mg), gelatin, iron oxide red (100 mg and 180 mg), iron oxide yellow (5 mg and 20 mg), potassium hydroxide, propylene glycol, purified water, shellac, sodium lauryl sulphate, sodium starch glycolate, stearic acid 50, tartaric acid and titanium dioxide.
MAR-TEMOZOLOMIDE comes in the following dosage forms:
Capsules: 5 mg (white and green), 20 mg (white and rich yellow), 100 mg (white and pink), 140 mg (white and blue), 180 mg (white and red) or 250 mg (white).
Serious Warnings and Precautions
- MAR-TEMOZOLOMIDE should be prescribed by doctor experienced with the use of cancer drugs.
MAR-TEMOZOLOMIDE may cause serious side effects including:
- Myelosuppression: This is a severe decrease in the production of blood cells including white blood cells (neutropenia), red blood cells (anemia) and platelets (thrombocytopenia). Aplastic anemia is also possible. This is when the body stops making enough new blood cells. It may be life threatening.
- Liver problems which may be life threatening.
Do not use MAR-TEMOZOLOMIDE if:
- you are allergic to temozolomide or to any other ingredients in this medicine.
- you have had an allergic reaction to dacarbazine (DTIC), another drug used to treat cancer.
- you have low blood cell counts (severe myelosuppression).
To help avoid side effects and ensure proper use, talk to your healthcare professional before you take MAR-TEMOZOLOMIDE. Talk about any health conditions or problems you may have, including if you:
- have liver problems.
- have kidney problems.
- have or have had hepatitis B infection. This is because patients who have had hepatitis B in the past, might have a repeat attack after treatment with MAR-TEMOZOLOMIDE.
- have other diseases or conditions.
- have an infection including herpes simplex encephalitis (inflammation of the brain).
- are over 70 years of age.
- are also taking steroid medicines.
Other warnings you should know about:
Nausea and vomiting are very common with the use of MAR-TEMOZOLOMIDE. For this reason, your healthcare professional may recommend that you also take medicines to treat and prevent these side effects. Your healthcare professional will tell you the best time to take MAR-TEMOZOLOMIDE until the vomiting is under control.
Female patients – pregnancy and breastfeeding:
- If you are pregnant, able to get pregnant or think you are pregnant, there are specific risks you should discuss with your healthcare professional.
- You should not use MAR-TEMOZOLOMIDE if you are pregnant. It may harm your unborn baby.
- Avoid becoming pregnant while you are taking MAR-TEMOZOLOMIDE and for 6 months after your last dose.
- Use effective birth control during your treatment for 6 months after your last dose.
- Tell your healthcare professional right away if you become pregnant or think you may be pregnant during your treatment with MAR-TEMOZOLOMIDE.
- Do not breastfeed while you are taking MAR-TEMOZOLOMIDE. It is not known if it passes into breastmilk.
Male patients – pregnancy and fertility:
- Avoid fathering a child while you are taking MAR-TEMOZOLOMIDE and for at least 6 months after your last dose. Use effective birth control during your treatment.
- Taking MAR-TEMOZOLOMIDE may affect your ability to father a child (your fertility). This may be permanent. If you want to have a child in the future, you may want to preserve some semen. Talk to your healthcare professional if you have questions about this.
Driving and using machines: Do not drive or use machines until you know how you react to MAR-TEMOZOLOMIDE.
Pneumocystis carinii: This type of severe pneumonia has been seen when MAR-TEMOZOLOMIDE is used with radiation. If you will receive MAR-TEMOZOLOMIDE for the 42 day treatment regimen, your healthcare professional will also give you medicines to prevent Pneumocystis carinii.
Blood tests: Your healthcare professional will do blood tests before and during your treatment. The results of these tests will tell them how MAR-TEMOZOLOMIDE is affecting your blood and liver.
Tell your healthcare professional about all the medicines you take, including any drugs, vitamins, minerals, natural supplements or alternative medicines.
The following may interact with MAR-TEMOZOLOMIDE:
- A medicine used to treat seizures called valproic acid.
- Other chemotherapy drugs used to treat cancer such as bendamustine, carboplatin and cisplatin.
How to take MAR-TEMOZOLOMIDE:
- Take MAR-TEMOZOLOMIDE:
- exactly as your healthcare professional has told you. If you are not sure, ask your doctor, nurse or pharmacist.
on an empty stomach, at least one hour before a meal.
- Swallow the capsule (s) whole with a glass of water. Do not open or chew the capsule.
- Avoid contact with your skin, eyes, and nose.
- You may also be given other medicines to prevent nausea and vomiting.
Usual dose: The dose of MAR-TEMOZOLOMIDE will be different for each adult. Your doctor will determine the dose of MAR-TEMOZOLOMIDE that is right for you. It will be based on your height and weight (m2), your disease and whether you have had previous treatment.
Your doctor will tell you how much MAR-TEMOZOLOMIDE to take. They will also tell you when to take it and for how long.
Overdose:
Missed Dose:
If you miss a dose, or vomit after taking a dose, contact your doctor for instructions.
What are possible side effects from using MAR-TEMOZOLOMIDE?
These are not all the possible side effects you may have when taking MAR-TEMOZOLOMIDE. If you experience any side effects not listed here, tell your healthcare professional.
- Hair loss
- Fatigue
- Shortness of breath
- Chills
- Nausea (feeling sick)
If you think you, or a person you are caring for, have taken too much MAR-TEMOZOLOMIDE , contact a healthcare professional, hospital emergency department, or regional poison control centre or Health Canada’s toll-free number, 1-844 POISON-X (1-844-764-7669) immediately, even if there are no signs or symptoms.
- Inflamed and sore mouth
- Constipation
- Change in taste
- Headache
- Fever
- Cough
- Muscle weakness
- Sleepiness
- Trouble sleeping
- Trouble hearing
- Dizziness
- Tremor
- Tingling sensation
- Anxiety
- Depression
- Changes in emotions
- Pain, pain in the joints, abdominal pain
- Itching
- Dry skin
- Skin redness
- Difficulty speaking
- Damage to the skin or tissue under the skin from radiation
MAR-TEMOZOLOMIDE can cause abnormal blood test results. Your healthcare professional will monitor your blood regularly for any changes. They will decide if any specific treatment is needed. In some cases, your MAR-TEMOZOLOMIDE dose will be reduced or discontinued.
Serious side effects and what to do about them
| Symptom / effect | Talk to your healthcare professional | Stop taking drug and get immediate medical help | |
|---|---|---|---|
| Only if severe | In all cases | ||
| VERY COMMON | |||
| Blurred vision | √ | ||
| Loss of appetite | √ | ||
Myelosuppression (low blood cell counts): Anemia (low red blood cells): shortness of breath, feeling very tired, loss of energy, weakness, irregular heartbeat, pale complexion. Neutropenia (low white blood cells): fever, fatigue, aches, pains, flu-like symptoms Thrombocytopenia (low blood platelets): bruising or bleeding for longer than usual if you hurt yourself, fatigue and weakness | √ | ||
| Rash | √ | ||
| Vomiting | √ | ||
| COMMON | |||
Allergic Reaction: difficulty swallowing or breathing, wheezing, feeling sick to your stomach and throwing up, hives or rash, swelling of the face, lips, tongue or throat | √ | ||
Bleeding: seizures, loss of consciousness, severe headache, tingling, weakness, numbness or paralysis of face, arm or leg, vomiting up blood, black and tarry stool, bleeding from the rectum, abdominal pain, blood in urine | √ | ||
| Confusion | √ | ||
| Convulsion | √ | ||
| Diarrhea | √ | ||
Hyperglycemia: (high blood sugar): increased thirst, frequent urination, dry skin, headache, blurred vision and fatigue | √ | ||
| Infection: fever, chills, cough | √ | ||
| Loss of weight | √ | ||
| Memory problems | √ | ||
Pneumocystis carinii pneumonia (severe infection of the lungs caused by fungus): cough that does not go away, trouble breathing, and fever | √ | ||
| UNCOMMON | |||
Severe allergic reactions: hives, itching, flushed or pale skin, low blood pressure, swollen tongue or throat, wheezing, difficulty breathing, weak and rapid heartbeat, nausea, vomiting, diarrhea, dizziness, fainting | √ | ||
| UNKNOWN FREQUENCY | |||
Aplastic anemia (body stops producing enough new blood cells): fatigue, pale skin, shortness of breath, rapid heart beat, fever, bleeding | √ | ||
Cytomegalovirus infection (viral infection that is new or becomes active again): fatigue, fever, sore throat, muscle aches, swollen glands | √ | ||
Drug reaction with eosinophilia and systemic symptoms (DRESS; serious skin reaction that may affect one or more organs): fever, severe rash, peeling skin, swelling of the face and lymph glands, flu- like feeling, yellow skin or eyes, shortness of breath, dry cough, chest pain or discomfort, feel thirsty, urinating less often, less urine | √ | ||
Erythema multiforme (serious skin reaction): rash with skin swelling, including on the palms of the hands and soles of the feet | √ | ||
Herpes simplex encephalitis (inflammation of the brain): fever, headache, personality change, seizures, and/or vomiting, which may be life threatening. | √ | ||
Interstitial pneumonitis (scarring of the lung): shortness of breath, cough | √ | ||
Liver problems including jaundice, hepatitis and liver failure: loss of appetite, abdominal pain, yellowing of the whites of they eyes, skin and tongue (jaundice), may be life threatening | √ | ||
Myelodysplastic syndrome or other cancers including myeloid leukemia: fatigue, pale skin, easy or unusual bruising, bleeding, shortness of breath, weight loss, fever, loss of appetite, tiny red spots on your skin | √ | ||
Serious skin reactions including Toxic epidermal necrolysis and | √ | ||
Stevens-Johnson syndrome: painful reddening of the skin and/or blister on the body or the mouth | |||
If you have a troublesome symptom or side effect that is not listed here or becomes bad enough to interfere with your daily activities, tell your healthcare professional.
Storage:
Store between 15°C and 30°C. Protect from moisture.
Do not use this product after the expiration date on the package. Keep out of reach and sight of children.
Tell your pharmacist if you notice any change in the appearance of the capsules.
If you want more information about MAR-TEMOZOLOMIDE:
- Talk to your healthcare professional.
- Find the full product monograph that is prepared for healthcare professionals and includes this Patient Medication Information by visiting the Health Canada Drug Product Database website: (https://www.canada.ca/en/health-canada/services/drugs-health-products/drug-products/drug-
Reporting side effects
You can report any suspected side effects associated with the use of health products to Health Canada by:
- Visiting the Web page on Adverse Reaction Reporting ( canada.ca/drug-device-reporting) for information on how to report online, by mail or by fax; or
- Calling toll-free at 1-866-234-2345.
NOTE: Contact your healthcare professional if you need information about how to manage your side effects. The Canada Vigilance Program does not provide medical advice.
- product-database.html); the manufacturer’s website www.marcanpharma.com, or by calling 1-855-627-2261 .
Date of Authorization: 2026-06-23