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Gazyva

Obinutuzumab

Gazyva is part of the CD20 Antibodies class and treats Leukemia. CD20 antibodies are used to treat rheumatoid arthritis, non-Hodgkin's lymphoma, and leukemia. They work by slowing down the growth of cancer cells and by reducing inflammation. Gazyva is only available as a brand name drug. Compare CD20 antibodies.
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What is Gazyva?

Commonly Used Brand Name(s)Gazyva

Therapeutic ClassificationsAntineoplastic Agent

Pharmacologic ClassificationsMonoclonal Antibody

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Blackbox WarningTOP

Intravenous route (Solution)

Hepatitis B virus (HBV) reactivation can occur in patients receiving obinutuzumab or other CD20-directed cytolytic antibodies, which can progress to life-threatening or fatal fulminant hepatitis or hepatic failure. Screen patients at baseline for HBV infection. Monitor HBV-positive patients during and after treatment with obinutuzumab. If HBV reactivation occurs, discontinue obinutuzumab and concomitant medications. Life-threatening or fatal progressive multifocal leukoencephalopathy has also been reported .

OverviewTOP

Obinutuzumab injection is used together with other medicines to treat chronic lymphocytic leukemia (CLL) and follicular lymphoma, which are cancers of the blood. It interferes with the growth of cancer cells, which are eventually destroyed by the body. Obinutuzumab is an antineoplastic agent (cancer medicine).

This medicine is to be given only by or under the direct supervision of your doctor.

Proper UseTOP

A nurse or other trained health professional will give you this medicine in a hospital or cancer treatment center. This medicine is given through a needle placed in one of your veins.

You may also receive medicines to help prevent unwanted side effects from the injection.

Before UsingTOP

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:

AllergiesTOP

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.

PediatricTOP

Appropriate studies have not been performed on the relationship of age to the effects of obinutuzumab injection in the pediatric population. Safety and efficacy have not been established.

GeriatricTOP

Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of obinutuzumab injection in the elderly.

Breast FeedingTOP

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.

Drug InteractionsTOP

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 receiving 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.

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
  • Bacillus of Calmette and Guerin Vaccine, Live
  • Cholera Vaccine, Live
  • Influenza Virus Vaccine, Live
  • Poliovirus Vaccine, Live
  • Smallpox Vaccine
  • Typhoid Vaccine
  • Yellow Fever Vaccine

Other InteractionsTOP

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 ProblemsTOP

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:

  • Infection—May decrease your body's ability to fight an infection.

PrecautionsTOP

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

Check with your doctor right away if you have any symptoms of liver problems, such as yellow skin or eyes, dark brown-colored urine, right-sided stomach pain, fever, or severe tiredness.

This medicine may increase your risk of developing a serious and rare brain infection called progressive multifocal leukoencephalopathy (PML). Check with your doctor right away if you have vision changes, loss of coordination, clumsiness, memory loss, difficulty speaking or understanding what others say, or weak legs.

This medicine may cause an infusion reaction within a few hours after you receive it. Check with your doctor right away if you have chest pain, itching, hives, a rash, flushing of the face, dizziness, fainting, lightheadedness, trouble breathing, swelling of the face, tongue, and throat, a fever, or chills.

This medicine may cause a serious type of reaction called tumor lysis syndrome. Your doctor may give you a medicine to help prevent this. Call your doctor right away if you have a decrease or change in urine amount, joint pain, stiffness, or swelling, lower back, side, or stomach pain, a rapid weight gain, swelling of the feet or lower legs, or unusual tiredness or weakness.

Obinutuzumab 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 the 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.

While you are being treated with obinutuzumab, and after you stop treatment with it, do not have any immunizations (vaccines) without your doctor's approval. Obinutuzumab may lower your body's resistance and the vaccine may not work as well or you might get the infection the vaccine is meant to prevent. In addition, you should not be around other persons living in your household who receive live virus vaccines because there is a chance they could pass the virus on to you. Some examples of live vaccines include measles, mumps, influenza (nasal flu vaccine), poliovirus (oral form), rotavirus, and rubella. Do not get close to them and do not stay in the same room with them for very long. If you have questions about this, talk to your doctor.

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