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Immunotherapy: Keytruda (pembrolizumab)

Lung Cancer | Last Active: 3 days ago | Replies (79)

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@ina3

Dear Colleen,

I wanted to ask you if you know how long it takes for Keytruda to start working? My dad just did PET and doctors told that there are new metastasis. He only did Keytruda twice and doing a third one in two days. My question is would two times Keytruda be enough to say whether it worked or did not work? It costs so much and wondering how much more chance we should give. Thanks

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Replies to "Dear Colleen, I wanted to ask you if you know how long it takes for Keytruda..."

@ina3, I unfortunately am unable to answer your question about how long do you know before Keytruda treatment is working. That is definitely a good question to ask your dad's oncologist.