Learn about KEYTRUDA® (pembrolizumab), an immunotherapy that works with your immune system to help fight certain cancers. Visit the patient website.

Learn how KEYTRUDA® (pembrolizumab) works with your immune system to help fight cancer cells. Watch two videos about immunotherapy and how it works in the body.

Learn about the side effects that may occur while taking KEYTRUDA® (pembrolizumab). Review serious side effects and common side effects with KEYTRUDA.

See how long treatment administration with KEYTRUDA® (pembrolizumab) may take, explore your options for receiving it, and learn what to expect during the process.

Find answers to frequently asked questions about KEYTRUDA® (pembrolizumab) including how does KEYTRUDA work, PD-L1 testing information, and more.

View tips and resources that may help while receiving KEYTRUDA® (pembrolizumab) including what to expect with your first infusion appointment and what to know about your treatment …

Learn about KEYTRUDA QLEX™ (pembrolizumab and berahyaluronidase alfa-pmph), an immunotherapy treatment. Talk to your doctor to find out more.

KEYTRUDA is a medicine that may treat certain cancers by working with your immune system. KEYTRUDA can cause your immune system to attack normal organs and tissues in any area …

Learn about cost information, insurance, and potential financial assistance options with KEYTRUDA® (pembrolizumab). See more at keytruda.com.

How is TNBC treated with KEYTRUDA? KEYTRUDA is an immunotherapy that works with your immune system to help treat certain cancers. If you have early-stage breast cancer and are at …