Words to Know
Brand name, Tykerb. A medicine used with another anticancer agent to treat breast cancer that is HER2 positive and has advanced or metastasized (spread to other parts of the body) after treatment with other medicines. Lapatinib is also being studied in the treatment of other types of cancer. Also called GW572016, and lapatinib ditosylate.
A device that forms light into intense, narrow beams that may be used to cut or destroy tissue, such as cancer tissue. It may also be used to reduce lymphedema (swelling caused by a buildup of lymph fluid in tissue) after breast cancer surgery. Lasers are used in microsurgery, photodynamic therapy and many other procedures to diagnose and treat disease.
levels of evidence
A ranking system used to describe the strength of the results measured in a clinical trial or research study. The design of the study (such as a case report for an individual participant or a randomized double-blinded controlled clinical trial) and the endpoints measured (such as survival or quality of life) affect the strength of the evidence.