Imaging the efficacy and side effects of CAR T-cell therapy in children and young adults
Iryna Vasyliv, Zahra Shokri Varniab, Shashi B. Singh, Claire Johns, Sneha Ramakrishna, Kara L. Davis, Heike E. Daldrup-Link
TL;DR
This paper reviews how imaging helps track the effectiveness and side effects of CAR T-cell therapy in children and young adults.
Contribution
The paper provides time-specific imaging guidance for radiologists managing pediatric CAR T-cell therapy.
Findings
Pre-treatment imaging helps quantify tumor burden and rule out infection.
Imaging between day 0–28 detects side effects like cytokine release syndrome and neurotoxicity.
Post-day 28 imaging monitors late effects and differentiates immune-related response patterns.
Abstract
CAR T-cell therapy is a transformative immunotherapy for pediatric patients with relapsed or refractory malignancies. Imaging plays a crucial role in evaluating treatment efficacy and detecting complications. This review provides time-specific guidance for radiologists on the imaging findings before and after CAR T-cell infusion and highlights how imaging supports clinical decision-making across the treatment course. Pre-treatment imaging at baseline focuses on ruling out active infection and quantifying residual tumor burden. In addition, quantitative imaging biomarkers can predict tumor response and toxicity risk. Between day 0–28 after CAR T-cell infusion, imaging is primarily performed to detect side effects, such as cytokine release syndrome (CRS) and immune effector cell-associated neurotoxicity syndrome (ICANS). At day + 28, imaging provides early assessment of tumor response.…
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Taxonomy
TopicsCAR-T cell therapy research · Virus-based gene therapy research · Immunotherapy and Immune Responses