Iressa Uses

How Does It Work?

Iressa belongs to a group of medications known as tyrosine kinase inhibitors. Tyrosine kinases are naturally occurring proteins in the body that help regulate cell growth, among other things.
 
Iressa works by blocking the action of a specific tyrosine kinase known as epidermal growth factor receptor tyrosine kinase (EGFR-TK). EGFR-TK tells cancer cells to grow and divide. By blocking the action of EGFR, Iressa may slow down or stop the growth of cancer tumors. 
 

Is It Safe for Children to Use Iressa?

This drug is not approved for use in children (usually defined as people younger than 18 years old), as it has not been adequately studied in this age group. In clinical studies, there were reports of bleeding in the brain and death occurring in children with brain or spinal cord tumors treated with Iressa. However, it is not entirely clear whether Iressa actually caused the bleeding or death. Talk to your child's healthcare provider about the risks and benefits of using this medicine in children.
 

Can Older Adults Use It?

Iressa can be used in older adults. In clinical studies, no differences were observed in side effects or efficacy between older adults and younger age groups.
 

Off-Label Uses for Iressa

On occasion, your healthcare provider may recommend this medication for treating something other than the condition listed in this article. This is called an "off-label" use. At this time, there are no well-accepted off-label uses for Iressa.
 
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Iressa Chemotherapy Information

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