TL;DR
Cochlear implants have brought sound to many deaf people, but they lean on one part that medicine cannot yet repair: the auditory nerve, the bundle of nerve cells that carries sound from the inner ear to the brain. When that nerve fails, an implant has nothing to talk to. Lineage Cell Therapeutics is building lab-made replacements for those nerve cells, and it says the project has finished the first year of a three-year research deal with William Demant Invest, a company from the hearing-aid business. The milestone is about manufacturing: the company made its first batch of the cells to the standard needed for use in people, and it plans a meeting with Danish drug regulators before the end of 2026. If the cells take hold, people whose hearing nerve has failed could someday have a working path from ear to brain again, and with it a chance at an implant. For our full odds on when lab-made nerve cells could reach patients, and the timeline of breakthroughs that leads there, subscribe.
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