Skip to main content
Friday, November 13, 2026Nov 13

New frontier in cancer care: Turning blood into living drugs

In this photo taken March 29, 2017, Dr. David Maloney of the Fred Hutchinson Cancer Research Center is greeted by patient Ken Shefveland, whose lymphoma was successfully treated with CAR-T cell therapy. Immune therapy is the hottest trend in cancer care and its next frontier is creating "living drugs" that grow inside the body into an army that seeks and destroys tumors.   (AP Photo/Elaine Thompson)
In this photo taken March 29, 2017, Dr. David Maloney of the Fred Hutchinson Cancer Research Center is greeted by patient Ken Shefveland, whose lymphoma was successfully treated with CAR-T cell therapy. Immune therapy is the hottest trend in cancer care and its next frontier is creating "living drugs" that grow inside the body into an army that seeks and destroys tumors. (AP Photo/Elaine Thompson)

SEATTLE (AP) – Ken Shefveland’s body was swollen with cancer, treatment after treatment failing until doctors gambled on a radical approach: They removed some of his immune cells, engineered them into cancer assassins and unleashed them into his bloodstream.

Immune therapy is the hottest trend in cancer care and this is its next frontier – creating “living drugs” that grow inside the body into an army that seeks and destroys tumors.

Looking in the mirror, Shefveland saw “the cancer was just melting away.” A month later doctors at the Fred Hutchinson Cancer Research Center couldn’t find any signs of lymphoma in the Vancouver, Washington, man’s body.

“Today I find out I’m in full remission – how wonderful is that?” said Shefveland with a wide grin, giving his physician a quick embrace.

This experimental therapy marks an entirely new way to treat cancer – if scientists can make it work, safely. Early-stage studies are stirring hope as one-time infusions of supercharged immune cells help a remarkable number of patients with intractable leukemia or lymphoma.