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<p>In a phase 1 clinical trial open to accrual from 2004 to 2009, we treated children with neuroblastoma with Epstein–Barr virus (EBV)-specific T lymphocytes and CD3-activated T cells—each expressing chimeric antigen receptors (CARs) targeting GD2 but without an embedded co-stimulatory sequence (first-generation CARs). These CARs incorporated barcoded sequences to track each infused population. We previously reported outcomes up to 5 years and now report long-term outcomes up to 18 years. Of 11 patients with active disease at infusion, three achieved a complete response that was sustained in two patients, one for 8 years until lost to follow-up and one for more than 18 years. Of eight patients with no evidence of disease at the time of CAR-T administration, five are disease free at their last follow-up between 10 years and 15 years after infusion. Intermittent low levels of transgene were detected during the follow-up period with significantly greater persistence in those who were long-term survivors. Despite using first-generation vectors that are no longer employed because of the lack of co-stimulatory domains, patients with relapsed/refractory neuroblastoma achieved long-term disease control after receiving GD2 CAR-T cell therapy, including one patient now in remission of relapsed disease for more than 18 years.</p><p>ClinicalTrials.gov identifier: <a href="https://clinicaltrials.gov/study/NCT00085930">NCT00085930</a>.</p>

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Long-term outcomes of GD2-directed CAR-T cell therapy in patients with neuroblastoma

  • 期刊论文

  • 发表日期：

    2025年2月17日

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  • Che-Hsing Li,
  • Sandhya Sharma,
  • Andras A. Heczey,
  • Mae L. Woods,
  • David H. M. Steffin,
  • Chrystal U. Louis,
  • Bambi J. Grilley,
  • Sachin G. Thakkar,
  • Mengfen Wu,
  • Tao Wang,
  • Cliona M. Rooney,
  • Malcolm K. Brenner,
  • Helen E. Heslop

摘要

In a phase 1 clinical trial open to accrual from 2004 to 2009, we treated children with neuroblastoma with Epstein–Barr virus (EBV)-specific T lymphocytes and CD3-activated T cells—each expressing chimeric antigen receptors (CARs) targeting GD2 but without an embedded co-stimulatory sequence (first-generation CARs). These CARs incorporated barcoded sequences to track each infused population. We previously reported outcomes up to 5 years and now report long-term outcomes up to 18 years. Of 11 patients with active disease at infusion, three achieved a complete response that was sustained in two patients, one for 8 years until lost to follow-up and one for more than 18 years. Of eight patients with no evidence of disease at the time of CAR-T administration, five are disease free at their last follow-up between 10 years and 15 years after infusion. Intermittent low levels of transgene were detected during the follow-up period with significantly greater persistence in those who were long-term survivors. Despite using first-generation vectors that are no longer employed because of the lack of co-stimulatory domains, patients with relapsed/refractory neuroblastoma achieved long-term disease control after receiving GD2 CAR-T cell therapy, including one patient now in remission of relapsed disease for more than 18 years.

ClinicalTrials.gov identifier: NCT00085930.