Envoy Medical Reaches Mid‑Point Enrollment in Acclaim Cochlear Implant Trial

COCH
December 18, 2025

Envoy Medical reported that its pivotal clinical study for the Acclaim cochlear implant has reached the halfway point of enrollment, with 23 of the 46 planned patients now enrolled. The company said the trial is progressing at a steady pace despite holiday scheduling and year‑end operating‑room constraints, and that full enrollment is expected to be completed within the first half of Q1 2026.

The milestone is a key prerequisite for the 12‑month follow‑up period required before a pre‑market approval (PMA) submission can be filed. By meeting the enrollment target, Envoy demonstrates that the trial can stay on schedule, which is critical for the projected FDA approval window of 2027‑2028. The company’s FDA Breakthrough Device Designation, granted in 2019, further accelerates the regulatory pathway and underscores the potential market impact of a fully implanted cochlear solution.

Financially, Envoy continues to operate with a significant accumulated deficit and net losses, underscoring the tight cash runway that has prompted a $10 million credit facility from its largest shareholder. While the enrollment progress does not yet generate commercial revenue, it bolsters investor confidence by showing that the company is advancing toward a product that could capture a sizable share of the U.S. cochlear implant market, estimated at 2.8 million potential candidates. The company’s Esteem active middle‑ear implant remains its only commercial product, and the Acclaim trial is the next step toward expanding its product portfolio.

The competitive landscape includes established players such as Cochlear, Advanced Bionics, and Med-El, all of whom offer partially implanted devices that rely on external microphones. Envoy’s fully implanted design eliminates external components, potentially offering a more natural hearing experience and lower maintenance costs. The trial’s progress, combined with the Breakthrough designation, positions Envoy to differentiate itself in a market where patient preference for fully implanted solutions is growing.

CEO Brent Lucas said, “Reaching the midway point of the study’s enrollment is another strong indication that our pivotal study continues to move forward efficiently. Even in a season that traditionally makes scheduling difficult, the investigational sites and our internal teams are performing exceptionally well.” He added that the momentum in the trial “underscores the strong differentiation of our technology and our leadership as the industry shifts toward fully implanted solutions.”

Investors remain cautious due to the company’s ongoing cash burn and net losses, but the enrollment milestone was viewed positively as a critical step toward commercialization. The market reaction reflects a balance between optimism about the trial’s progress and concern over the company’s financial position, highlighting the importance of regulatory success in driving future revenue potential.

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