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HealthBrainstorm Health

Rakuten’s CEO Is Developing a Brilliant New Cancer Treatment: Light

By
Sy Mukherjee
Sy Mukherjee
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By
Sy Mukherjee
Sy Mukherjee
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April 3, 2019, 8:02 PM ET

Some types of innovation are fueled by curiosity. Others stem from the profit motive. (In many cases, it’s a bit of both). For Rakuten CEO Mickey Mikitani, the quest for groundbreaking science was born of heartbreak.

Mikitani’s father’s pancreatic cancer diagnosis (and eventual death) spurred the serial entrepreneur to form a biotechnology outfit centered on “photoimmunotherapy.” In simpler terms, Rakuten Aspyrian is attempting to treat cancer with literal light.

That journey began on the heels of the elder Mikitani’s diagnosis. “One of my friends called me, who was also a friend of my father’s… and said, by the way, my cousin is doing this new project, trying to cure cancer with light,” Mikitani explained during a one-on-one interview at the Coins2Day Brainstorm Health conference on Wednesday. “I was like, this must be a joke. But I was desperate.”

So how does the technology work? It involves infusing cancer patients with something called an “antibody-drug conjugate.” (That’s a fancy way of saying antibodies which can bind to specific spots in the body, such as tumors) that are connected to cancer-killing drugs. Next, the photoimmunotherapy process uses near-infrared light, transmitted via catheters or other methods, to initiate rapid cancer-killing activity at the tumor site.

The company’s photoimmunotherapy treatments are currently in late-stage clinical trials for head and neck cancers, with earlier stage studies in other kinds of cancers planned for the near future. “We have seen some [positive] cases which were very difficult to see with the traditional approach,” said Mikitani.

With so many kinds of more-established approaches to cancer treatment on the market, why would Mikitani choose this route? “I was ignorant enough to bet on this one,” he explained.

For more coverage of Coins2Day’s Brainstorm Health conference, click here. For news delivered daily to your inbox, subscribe to Coins2Day’s Brainstorm Health Daily newsletter.

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By Sy Mukherjee
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