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Mitomycin (Intravenous route)

Pronunciation:

mye-toe-MYE-sin

Brand Names:

  • Mutamycin

Dosage Forms:

  • Powder for Solution

Warnings:

Intravenous route(Powder for Solution)

Bone marrow suppression, notably thrombocytopenia and leukopenia, which may contribute to overwhelming infections in an already compromised patient, is the most common and severe of the toxic effects of mitomycin injection. Hemolytic Uremic Syndrome (HUS) has been reported in patients receiving systemic mitomycin. The syndrome may occur at any time during therapy with mitomycin, but most cases occur at doses greater than or equal to 60 mg. Blood product transfusion may exacerbate the symptoms associated with this syndrome .

Classifications:

Therapeutic—

Antineoplastic Agent

Uses of This Medicine:

Mitomycin belongs to the group of medicines known as antineoplastics. It is used to treat some kinds of cancer.

Mitomycin interferes with the growth of cancer cells, which are eventually destroyed. Since the growth of normal body cells may also be affected by mitomycin, other effects will also occur. Some of these may be serious and must be reported to your doctor. Other effects, like hair loss, may not be serious but may cause concern. Some effects may not occur for months or years after the medicine is used.

Before you begin treatment with mitomycin, you and your doctor should talk about the good this medicine will do as well as the risks of using it.

Mitomycin is to be administered only by or under the immediate supervision of your doctor.

Before Using This Medicine:

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:

Allergies—

Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Children—

Although there is no specific information comparing use of mitomycin in children with use in other age groups, it is not expected to cause different side effects or problems in children than it does in adults.

Older adults—

Many medicines have not been studied specifically in older people. Therefore, it may not be known whether they work exactly the same way they do in younger adults or if they cause different side effects or problems in older people. There is no specific information comparing use of mitomycin in the elderly with use in other age groups.

Pregnancy—

Pregnancy CategoryExplanation
All TrimestersXStudies in animals or pregnant women have demonstrated positive evidence of fetal abnormalities. This drug should not be used in women who are or may become pregnant because the risk clearly outweighs any possible benefit.

Breast-feeding—

There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.

Other medicines—

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.

Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.

  • Rotavirus Vaccine, Live

Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

  • Adenovirus Vaccine Type 4, Live
  • Adenovirus Vaccine Type 7, Live
  • Bacillus of Calmette and Guerin Vaccine, Live
  • Influenza Virus Vaccine, Live
  • Measles Virus Vaccine, Live
  • Mumps Virus Vaccine, Live
  • Rubella Virus Vaccine, Live
  • Smallpox Vaccine
  • Tamoxifen
  • Typhoid Vaccine
  • Varicella Virus Vaccine
  • Vinblastine
  • Yellow Fever Vaccine

Other interactions—

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

Other medical problems—

The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:

  • Bleeding problems
  • Chickenpox (including recent exposure) or
  • Herpes zoster (shingles)—Risk of severe disease affecting other parts of the body
  • Infection—Mitomycin may decrease your body's ability to fight infection
  • Kidney disease—May be worsened

Proper Use of This Medicine:

Mitomycin is usually given together with certain other medicines. If you are using a combination of medicines, it is important that you receive each one at the proper time. If you are taking some of these medicines by mouth, ask your health care professional to help you plan a way to remember to take them at the right times.

This medicine often causes nausea, vomiting, and loss of appetite. However, it is very important that you continue to receive the medicine, even if you begin to feel ill. Ask your health care professional for ways to lessen these effects.

Dosing—

The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

Precautions While Using This Medicine:

It is very important that your doctor check your progress at regular visits to make sure that this medicine is working properly and to check for unwanted effects.

While you are being treated with mitomycin, and after you stop treatment with it, do not have any immunizations (vaccinations) without your doctor's approval. Mitomycin may lower your body's resistance and there is a chance you might get the infection the immunization is meant to prevent. In addition, other persons living in your household should not take oral polio vaccine since there is a chance they could pass the polio virus on to you. Also, avoid persons who have taken oral polio vaccine. Do not get close to them, and do not stay in the same room with them for very long. If you cannot take these precautions, you should consider wearing a protective face mask that covers the nose and mouth.

Mitomycin can temporarily lower the number of white blood cells in your blood, increasing the chance of getting an infection. It can also lower the number of platelets, which are necessary for proper blood clotting. If this occurs, there are certain precautions you can take, especially when your blood count is low, to reduce the risk of infection or bleeding:

  • If you can, avoid people with infections. Check with your doctor immediately if you think you are getting an infection or if you get a fever or chills, cough or hoarseness, lower back or side pain, or painful or difficult urination.
  • Check with your doctor immediately if you notice any unusual bleeding or bruising; black, tarry stools; blood in urine or stools; or pinpoint red spots on your skin.
  • Be careful when using a regular toothbrush, dental floss, or toothpick. Your medical doctor, dentist, or nurse may recommend other ways to clean your teeth and gums. Check with your medical doctor before having any dental work done.
  • Do not touch your eyes or the inside of your nose unless you have just washed your hands and have not touched anything else in the meantime.
  • Be careful not to cut yourself when you are using sharp objects such as a safety razor or fingernail or toenail cutters.
  • Avoid contact sports or other situations where bruising or injury could occur.

If mitomycin accidentally seeps out of the vein into which it is injected, it may damage the skin and cause scarring. In some patients, this may occur weeks or even months after this medicine is given. Tell the doctor or nurse right away if you notice redness, pain, or swelling at the place of injection or anywhere else on your skin.

Side Effects of This Medicine:

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Also, because of the way cancer medicines act on the body, there is a chance that they might cause other unwanted effects that may not occur until months or years after the medicine is used. These delayed effects may include certain types of cancer. Discuss these possible effects with your doctor.

Check with your doctor immediately if any of the following side effects occur:

Less common
Black, tarry stools
blood in urine or stools
cough or hoarseness
fever or chills
lower back or side pain
painful or difficult urination
pinpoint red spots on skin
unusual bleeding or bruising
Rare
Redness or pain, especially at place of injection

Check with your doctor as soon as possible if any of the following side effects occur:

Less common
Cough
decreased urination
shortness of breath
sores in mouth and on lips
swelling of feet or lower legs
Rare
Bloody vomit

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common
Loss of appetite
nausea and vomiting
Less common
Numbness or tingling in fingers and toes
purple-colored bands on nails
skin rash
unusual tiredness or weakness

Mitomycin sometimes causes a temporary loss of hair. After treatment has ended, normal hair growth should return.

After you stop using this medicine, it may still produce some side effects that need attention. During this period of time, check with your doctor immediately if you notice the following side effects:

Blood in urine

Also, check with your doctor if you notice any of the following:

Black, tarry stools
blood in stools
cough or hoarseness
decreased urination
fever or chills
lower back or side pain
painful or difficult urination
pinpoint red spots on skin
red or painful skin
shortness of breath
swelling of feet or lower legs
unusual bleeding or bruising

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.


Last Updated: 11/4/2014

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