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Background and Aims: As cell and gene therapy (CGT) has grown in availability and scope, more unapproved regenerative medicine is being marketed to the public. It is essential that health care providers have sufficient knowledge and comfort to determine whether treatments are properly regulated and address these topics with patients. Due to the applicability of CGT to genetic disease, genetic counselors could be key in providing education and answering patients' questions about these topics. However, previous studies have focused only on physicians' knowledge and comfort with CGT and unapproved regenerative medicine. The purpose of this study was to assess genetic counselors' self-reported knowledge and comfort discussing these topics with patients and to explore what factors predict increased knowledge and comfort., Methods: The authors designed an online survey distributed to genetic counselors who were part of the National Society of Genetic Counselors Student Research Program e-mail list. The survey addressed genetic counselors' demographics, practice experience with CGT, education about CGT, knowledge and comfort., Results: The survey was completed by 144 genetic counselors. The best predictor of increased knowledge and comfort was experience discussing CGT in practice. In addition, those who worked at an institution at which CGT trials were offered had greater knowledge and comfort. However, most genetic counselors reported their knowledge was not sufficient to address questions from patients, and most had little-to-no knowledge or comfort determining whether a trial was properly regulated. There was no correlation between education and either knowledge or comfort; however, most participants desired more education about these topics., Conclusions: This study suggests that genetic counselors who (i) have experience with CGT in practice or (ii) work at institutions at which CGT trials are offered may have better knowledge regarding CGT. These results may help identify individuals and/or institutions in whom increasing knowledge regarding CGT could be beneficial. This is crucial as CGT becomes mainstream, leading to more widely marketed unapproved regenerative medicine. Several gaps in knowledge and comfort were identified, including participants' ability to determine whether a treatment is properly regulated. Further research is needed to better characterize the educational needs of genetic counselors surrounding these topics to address these gaps., Competing Interests: Declaration of Competing Interest The authors have no commercial, proprietary or financial interest in the products or companies described in this article., (Copyright © 2023 International Society for Cell & Gene Therapy. Published by Elsevier Inc. All rights reserved.)

Adoptive cell therapy of tumor-infiltrating lymphocytes has shown promise for treatment of refractory melanoma and other solid malignancies; however, challenges to manufacturing have limited its widespread use. Traditional manufacturing efforts were lengthy, cumbersome and used open culture systems. We describe changes in testing and manufacturing that decreased the process cycle time, enhanced the robustness of critical quality attribute testing and facilitated a functionally closed system. These changes have enabled export of the manufacturing process to support multi-center clinical trials., (Copyright © 2018 International Society for Cell and Gene Therapy. Published by Elsevier Inc. All rights reserved.)