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01 / 05
Stem Cell Therapies “Come of Age” with Approvals in Japan

Science | Health & Medical Care

Stem Cell Therapies “Come of Age” with Approvals in Japan

“Twenty years after they were first created in Japan, extraordinarily versatile stem cells made from the body’s own cells may finally realize their promise for regenerating diseased tissue. Last month, an advisory panel to Japan’s health ministry recommended limited marketing approval for therapies using induced pluripotent stem (iPS) cells for heart failure and Parkinson’s disease. In a controversial arrangement, their makers will be able to sell the products for 7 years while continuing studies to determine just how well the therapies work. IPS cells are moving closer to medical use in other countries as well, with dozens of potential therapies in clinical trials…

One of the new therapies, intended for heart disease patients, was developed by Kyoto University’s Center for iPS Cell Research and Application (CiRA) in collaboration with a University of Osaka group led by cardiovascular surgeon Yoshiki Sawa. Heart muscle cells derived from iPS cells are formed into small patches. Applied to a diseased heart’s surface, the muscle patches boost contraction while also releasing cytokines that promote blood vessel formation.

Eight heart disease patients have received RiHEART patches made by Cuorips, a startup spun off from the university. The company has reported in press briefings and two peer-reviewed papers—in Frontiers in Cardiovascular Medicine in 2022 and 2023—that there were no serious safety issues and patients’ heart function improved.

The Parkinson’s therapy, developed by a group led by neurosurgeon Jun Takahashi, CiRA’s current director, coaxes iPS cells to form replacements for the dopamine-producing neurons that die off in Parkinson’s. In a small pilot trial, surgeons drilled holes into the skulls of six Parkinson’s patients and injected the replacement cells. There were no safety issues, and four of the patients showed improvement 24 months after transplantation, Takahashi and colleagues reported in Nature last year. Sumitomo Pharma and RACTHERA are commercializing the treatment, dubbed Amchepry.”

From Science.

Medical Xpress | Vaccination

mRNA-1010 Superior to Standard-Dose Vaccine for Preventing Flu

“For adults aged 50 years or older, an investigational messenger RNA (mRNA)-based vaccine (mRNA-1010) is superior to standard-dose licensed vaccines for preventing influenza-like illness, according to a study published in the New England Journal of Medicine…

Overall, 20,350 participants received mRNA-1010 and 20,353 received the standard-dose comparator. The researchers found that 2.0% and 2.8% of the recipients of mRNA-1010 and the standard-dose comparator, respectively, had RT-PCR-confirmed, protocol-defined influenza-like illness, corresponding to a relative vaccine efficacy of 26.6% and meeting the criteria for noninferiority, superiority, and higher-level superiority. Solicited adverse reactions occurred more often with mRNA-1010 than the standard-dose comparator; they were mainly mild-to-moderate and transient. Overall, 2.2% and 1.9% of recipients of mRNA-1010 and the standard-dose comparator, respectively, had serious adverse events.”

From Medical Xpress.

Science | Health Systems

AI Is Starting to Beat Doctors at Making Correct Diagnoses

“If you walk into an emergency room (ER) in 10 years, you’ll encounter a new type of caregiver: an artificial intelligence (AI) system designed to get you a diagnosis faster and help your care team make more informed decisions. While you sit in the waiting room, you’ll be hooked up to a blood pressure cuff that’s constantly and autonomously monitored. All the while, an AI agent will be listening in while you and your doctor talk about your symptoms, ready to flag any mistakes your physician makes or suggest next steps.

This vision of AI-assisted emergency health care may soon be reality. In a new study, researchers show that a type of AI known as a large language model (LLM) often outperformed physicians at diagnosing complex and potentially life-threatening conditions, including decreased blood flow to the heart, even in the fast-moving stages of real ER care when information is limited, they report today in Science. In early ER cases, the model identified the correct or a very close diagnosis in about 67% of cases, compared with roughly 50% to 55% for physicians. And the technology is only getting better.”

From Science.

The Guardian | Health Systems

First Malaria Drug for Babies Is Approved in Major Milestone

“The first malaria treatment for babies has been approved by the World Health Organization, opening the door to widespread use around the globe.

In parts of Africa, up to 18% of children under six months will be infected with malaria, but there has historically been no safe treatment for the smallest of them. There were 610,000 deaths from malaria in 2024, about three quarters of which were under-fives in Africa…

Medical leaders hope that Coartem Baby, which can be used to treat infants as small as 2kg (4.4lb), will fill the treatment gap. The drug comes as sweet cherry-flavoured tablets that can be dissolved into liquids, including breast milk…

Coartem Baby now has WHO prequalification, which indicates it meets international standards of quality, safety and efficacy, and will enable public-sector procurement for many countries with high rates of malaria, particularly in sub-Saharan Africa.”

From The Guardian.

Gavi | Vaccination

Burkina Faso Celebrates Malaria Vaccine Impact

“Authorities report an unprecedented decline in malaria rates at the national level. At a press briefing in February 2026, Health Minister Robert Kargougou said the total number of recorded malaria cases fell from 10,805,020 in 2024, to 7,329,278 in 2025, a decrease of 32%. Over the same period, deaths fell from 3,523 to 1,979, a drop of 44%. Among children under five, cases declined by 39%, while mortality fell by more than 40%.”

From Gavi.