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Cancer

What Is Immunotherapy, and How Does it Treat Cancer?

Lauren Smith, MASanjai Sinha, MD
Written by Lauren Smith, MA | Reviewed by Sanjai Sinha, MD
Updated on July 3, 2025
Featuring Melissa Wilson, MDReviewed by Sanjai Sinha, MD | July 3, 2025

Immunotherapy has revolutionized cancer treatment, targeting cancer growth more effectively than other treatments and improving survival rates for certain kinds of cancers. In this video, learn how immunotherapy works as a cancer treatment.

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Lauren Smith, MA
Written by:
Lauren Smith, MA
Lauren Smith, MA, has worked in health journalism since 2017. Before joining GoodRx, she was the senior health editor and writer for HealthiNation.
Sanjai Sinha, MD
Reviewed by:
Sanjai Sinha, MD
Sanjai Sinha, MD, is a board-certified physician with over 20 years of experience. He specializes in internal medicine.

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