A novel regenerative medicine for a severe cardiovascular disease, initially granted a conditional approval in Japan almost a decade ago, will exit the market due to challenges meeting the terms of the regulatory pathway.
HeartSheet's Challenges And Withdrawal Hurt Japan's Cell Therapy Hopes
Despite it’s initial promise, a novel autologous cell transplant therapy for severe heart failure has faced multiple challenges gaining full approval in Japan, potentially offering lessons for other regenerative medicine developers.

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Ascertaining the novelty and benefits of Makary’s new drug approval idea – along with what it would take to implement it – requires more clarity on the types of studies he envisions being used to grant and confirm “plausible mechanism’ approvals.
A new chapter that will be published in the European Pharmacopoeia soon is expected to provide a comprehensive framework for the production and quality control of cell-based preparations. Meanwhile, an existing chapter has been revised to facilitate the implementation of rapid microbiological testing methods.
India is pressing ahead with “big shifts” in its regulatory approach for cell and gene therapies. Reduced “layers of review”, tighter internal timelines, upcoming guidelines to facilitate CGT development and reforms in the constitution of expert committees are some of the key changes.
Japan's trade ministry is providing new support to build domestic capacity for new modalities including cell and gene therapies, as part of wider efforts to support the national bioventure ecosystem.