The following topics are discussed in this section:

• HER2-Targeted Therapies and Side Effects
  • HER2 protein expression
  • Prevalence of HER2-positive breast cancers
  • HER2-targeted therapy drugs
• Trastuzumab and Side Effects
  • How trastuzumab works
  • When trastuzumab is used
  • How trastuzumab is given
  • Possible side effects of trastuzumab
  • Potential risks of trastuzumab
  • Biosimilar forms of trastuzumab
• Ado-trastuzumab emtansine and Side Effects
  • How ado-trastuzumab emtansine works
  • When ado-trastuzumab emtansine is used
  • How ado-trastuzumab emtansine is given
  • Possible side effects of ado-trastuzumab emtansine
• Pertuzumab and Side Effects
  • How pertuzumab works
  • When pertuzumab is used
  • How pertuzumab is given
  • Possible side effects of pertuzumab
• Neratinib and Side Effects
  • How neratinib works
  • When neratinib is used
  • How neratinib is given
  • Possible side effects of neratinib