A little-known Chinese company made a drug that beat the world’s biggest-selling medicine

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A scene from a video provided by Akeso shows part of their production facilities. - Courtesy Akeso
A scene from a video provided by Akeso shows part of their production facilities. - Courtesy Akeso

China’s DeepSeek shocked the world by delivering unexpected innovation at an unbelievable price. But this disruptive trend isn’t confined to Big Tech: it has been quietly happening in the pharmaceutical sector.

In September, Akeso, a little-known Chinese biotech company founded nearly a decade ago shook up the biotech sector with its new lung cancer drug.

Ivonescimab, the new drug, was found in a trial conducted in China to have bested Keytruda, the blockbuster medication developed by Merck that has raked in more than $130 billion in sales for the American behemoth that has dominated cancer treatment.

Patients treated with Akeso’s new drug went 11.1 months before their tumors began to grow again, compared with 5.8 months for Keytruda, according to clinical data released at the World Conference on Lung Cancer, a top medical forum.

Over the course of several days in early September, shares in California-based Summit Therapeutics, Akeso’s US partner, more than doubled to a record high, according to data from Refinitiv. The firm had licensed the right to commercialize the new drug in North America and Europe.

At the time, though experts said it was a watershed moment for Chinese pharmaceutical companies, it was little noticed outside the industry. All that changed following DeepSeek’s exploits earlier this year, which put international attention on pockets of innovation in China — with growing global implications.

“I do believe the Chinese biotech industry will play an important role globally. And we [will] participate more and more,” Michelle Xia, the CEO of Akeso, said in an interview last month with BiotechTV.

In a statement sent to CNN, Akeso said it was an “incredibly exciting moment” to see its drug beat Keytruda, the world’s best-selling medication.

“Akeso’s innovation is driven by a deep understanding of disease biology and protein engineering, while benefitting from the fast development time and the abundance of top-tier talent in China,” it said.

The rise of Chinese biotech

Until the 1980s, when China opened up its economy, most of its pharmaceutical firms were state-owned. For most of the past 40 years, Chinese biotech companies were mainly replicating existing medications, known as “me-too” drugs.

But over the past 10 years, they’ve begun to innovate with more advanced drugs that can compete directly with the Western offerings. And they’ve signed billions of dollars in licensing deals with Western partners to get their products to the rest of the world.

AstraZeneca signed a $1.92 billion deal with China’s CSPC Pharmaceutical Group last year to develop cardiovascular medication, and Merck has a $2 billion agreement with China’s Hansoh Pharmaceutical over an experimental weight loss pill.