NKGen Biotech Announces Administration of First Dose of Troculeucel to Stroke Patient Under FDA-Cleared Compassionate Use Program

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NKGen Biotech
NKGen Biotech

NKGen explores the use of troculeucel as a potential treatment option for post-stroke patients.

SANTA ANA, Calif., March 03, 2025 (GLOBE NEWSWIRE) -- NKGen Biotech, Inc. (Nasdaq: NKGN) (“NKGen” or the “Company”), a clinical-stage biotechnology company focused on the development and commercialization of innovative autologous and allogeneic natural killer (“NK”) cell therapeutics, today announced the administration of troculeucel, an expanded autologous NK cell therapy, in a stroke patient under a single compassionate use, Investigational New Drug (“IND”) cleared by the U.S. Food and Drug Administration (“FDA”).

Stroke is the second leading cause of death and long-term disability. It is accompanied by an increase in chronic neuroinflammation that can contribute to further subsequent neurological damage. Of note is that one fifth of stroke survivors go on to develop dementia after a stroke, with an 80% higher risk of developing dementia compared to matched controls.

In collaboration with Dimitri Sigounas, M.D., Associate Professor of Neurological Surgery and Amarendra K. Neppalli, M.D., Director of Transplant and Cellular Therapy at George Washington University (“GWU”) Medical Center, Washington, D.C., NKGen has begun to explore the potential therapeutic role of troculeucel in the post-stroke setting. This FDA-cleared single compassionate use IND will be the initial step towards a possible full IND application. Dosing the first stroke patient is part of NKGen’s continued efforts to explore the potential of its NK cell therapy for individuals suffering post-stroke and traumatic brain injury, especially as a means to reduce or prevent chronic neuroinflammation and damage, alongside NKGen’s positive ongoing work in Alzheimer’s and other neurodegenerative diseases.

The patient will receive troculeucel infusions and undergo regular independent assessments by Dr. Sigounas at GWU Medical Center.

“Neurofilament light chain (“NfL”) and glial fibrillary acidic protein (“GFAP”) are markers of brain injury which have been used to assess functional outcome in stroke patients. In our Alzheimer’s trials, we have found that troculeucel can cross the blood brain barrier to reduce cerebrospinal fluid levels of GFAP and NfL” said Paul Y. Song, M.D., Chairman and Chief Executive Officer of NKGen. “We believe that troculeucel could potentially be a novel approach to reduce chronic neuroinflammation and the associated long-term sequelae in the post-stroke setting.”

“I am excited to explore whether enhanced NK cells can help reduce neuroinflammation in the post-stroke setting to help improve overall outcomes. If so, I believe this may be a very important first step in finding new ways to help stroke patients,” commented Dr. Sigounas.