Loma Linda Cancer Center Celebrates 30 Years of Proton Treatment – Seventh-day Adventist Church


The James M. Slater, MD, Proton Treatment & Research Center at Loma Linda University Cancer Center is celebrating its 30th anniversary. The world’s first hospital-based proton therapy facility was a vision of Slater, who died in December 2019.

Slater, who championed and oversaw the Proton Treatment Center’s creation, was determined to improve the quality of life for patients undergoing cancer treatment and was inspired to use proton therapy to do so. He began working with Fermi National Accelerator Laboratory (Fermilab) in 1986 to plan the proton synchrotron and center, which resulted in the construction of one of the most complex pieces of medical equipment ever built.

The original installation of the gantry at the Proton Treatment Center. [Photo: Loma Linda University Health News]

For years, the Loma Linda University Medical Center Proton Treatment Center was the only place in the world to offer proton therapy for patient treatment and research in a hospital setting. After opening its doors in 1990, it remained the only hospital-based treatment center of its kind in the United States until 2001. It was renamed in Slater’s honor in 2007.
The success of the Proton Treatment Center at LLU Cancer Center has prompted the establishment of 37 operational centers in the U.S. and 70 operational centers around the world. Additionally, another eight centers are under construction in the U.S. and 32 internationally.

Proton radiation therapy is the most precise and advanced form of radiation beam treatment available today. It is a painless, non-invasive procedure that allows patients to maintain their quality of life and quickly resume normal activities, permitting physicians to deliver full or higher treatment dosages to destroy a tumor with minimal side effects to a person’s surrounding healthy tissue or organs.


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