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Published in: Journal of Neuro-Oncology 3/2018

01-12-2018 | Clinical Study

Reirradiation and PD-1 inhibition with nivolumab for the treatment of recurrent diffuse intrinsic pontine glioma: a single-institution experience

Authors: Cassie Kline, S. John Liu, Sai Duriseti, Anuradha Banerjee, Theodore Nicolaides, Shannon Raber, Nalin Gupta, Daphne Haas-Kogan, Steve Braunstein, Sabine Mueller

Published in: Journal of Neuro-Oncology | Issue 3/2018

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Abstract

Background

Diffuse intrinsic pontine glioma (DIPG) is a rare, aggressive brain tumor with no known cure. Reirradiation (reRT) at recurrence can prolong survival. The impact of irradiation may be heightened when combined with PD-1 inhibition. We describe our experience using reRT, with or without PD-1 inhibition, in a cohort of patients with recurrent DIPG.

Methods

We performed a retrospective cohort analysis of children who received reRT with or without concomitant PD-1 inhibition for recurrent DIPG at a single institution between 2005 and 2016. We compared progression-free (PFS) and overall survival (OS) between those who received reRT alone or in combination with PD-1 inhibition. We then compared reRT to a cohort of patients who did not receive reRT.

Results

Thirty-one patients were included (8—reRT with nivolumab; 4—reRT alone; 19—no reRT). Patients who received reRT had prolonged OS compared to no reRT (22.9 months—reRT with nivolumab; 20.4 months—reRT alone; 8.3 months—no reRT; p < 0.0001). Patients who received reRT with nivolumab vs. reRT only had slightly prolonged OS from diagnosis and from reRT (22.9 vs. 20.4 months for time from diagnosis; 6.8 vs. 6.0 months for time from reRT). All patients receiving reRT with or without nivolumab tolerated the therapy without acute or late toxicity.

Conclusions

Our experience demonstrates the tolerability of reRT with concurrent PD-1 inhibition for recurrent DIPG and suggests that combination therapy may offer survival benefit. Future prospective studies are needed to confirm the benefits of this combination therapy.
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Metadata
Title
Reirradiation and PD-1 inhibition with nivolumab for the treatment of recurrent diffuse intrinsic pontine glioma: a single-institution experience
Authors
Cassie Kline
S. John Liu
Sai Duriseti
Anuradha Banerjee
Theodore Nicolaides
Shannon Raber
Nalin Gupta
Daphne Haas-Kogan
Steve Braunstein
Sabine Mueller
Publication date
01-12-2018
Publisher
Springer US
Published in
Journal of Neuro-Oncology / Issue 3/2018
Print ISSN: 0167-594X
Electronic ISSN: 1573-7373
DOI
https://doi.org/10.1007/s11060-018-2991-5

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