Lapatinib Ditosylate

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 (luh-PA-tih-nib dy-TOH-sih-layt)

This page contains brief information about lapatinib ditosylate and a collection of links to more information about the use of this drug, research results, and ongoing clinical trials.

US Brand Name(s)
FDA Approved

FDA Approval for Lapatinib Ditosylate

Use in Cancer

Lapatinib ditosylate is approved to be used with other drugs to treat:

Lapatinib ditosylate is also being studied in the treatment of other types of cancer.

More About Lapatinib Ditosylate

Definition from the NCI Drug Dictionary - Detailed scientific definition and other names for this drug.

MedlinePlus Information on Lapatinib Ditosylate - A lay language summary of important information about this drug that may include the following:

  • warnings about this drug,
  • what this drug is used for and how it is used,
  • what you should tell your doctor before using this drug,
  • what you should know about this drug before using it,
  • other drugs that may interact with this drug, and
  • possible side effects.

Drugs are often studied to find out if they can help treat or prevent conditions other than the ones they are approved for. This patient information sheet applies only to approved uses of the drug. However, much of the information may also apply to unapproved uses that are being studied.

Targeted Cancer Therapies - Information about the use of this drug to treat cancer.

Research Results

The ALTTO (Adjuvant Lapatinib and/or Trastuzumab Treatment Optimisation) Breast Cancer Trial - Information about a major NCI-supported clinical trial for this drug.

Clinical Trial Results: For Some Breast Cancers, New Drug May Be Treatment Option - Important clinical trial results for this drug, background information, and how the trial was done.

Clinical Trials Accepting Patients

Find Clinical Trials for Lapatinib Ditosylate - Check for trials from NCI's list of cancer clinical trials now accepting patients.

  • Posted: March 16, 2007
  • Updated: November 6, 2012