What are common keytruda treatment durations?

What does a typical Keytruda course look like for lung cancer?

Keytruda is given every three weeks as a 200 mg infusion. Most lung cancer patients stay on it until disease progression or unacceptable side effects appear. Studies show average treatment lengths of 6 to 18 months, though some patients remain on it for several years.

When does Keytruda stop working?

Doctors usually continue until scans show the tumor is growing or spreading. The drug may also stop if patients develop immune-related side effects that cannot be managed. Once discontinued, many patients move to chemotherapy or clinical trials.

What happens if you stop Keytruda early?

Stopping before progression leaves patients without an active treatment option. Data indicate that early discontinuation often leads to quicker disease relapse. Patients who finish a full two-year fixed course still show durable responses in some cases, especially in melanoma and lung cancer studies.

How long does Keytruda stay in your system after stopping?

The half-life of pembrolizumab is roughly 23 days. After stopping, es