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A Case of Sustained Objective Response of Recurrent/Progressive Diffuse Intrinsic Pontine Glioma with Phenylbutyrate and Targeted Agents

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ABSTRACT
<span "="">Diffuse intrinsic pontine glioma (DIPG) is the most common type of brainstem glioma and one of the most deadly brain tumors. DIPG in young adult patients is a rare disease for which treatment options are limited. Radiation therapy remains the standard-of-care for newly-diagnosed DIPG, but no established therapies for recurrent disease are available. This paper describes the results of treatment of a young adult patient diagnosed with DIPG that progressed after radiation therapy. Therapy included sodium phenylbutyrate (PB) in combination with the targeted agents: pazopanib, everolimus, erlotinib, and bevacizumab. The patient achieved a rapid partial response, which persisted over a year and five months. The patient opted to discontinue the therapy and thereafter elected chemotherapy, which resulted in a subsequent rapid progression and death within one month. The targeted treatment was associated with minor toxicity that included a Grade 2 skin rash and Grade 1 elevation of transaminases. In conclusion, a combination of PB and currently available targeted drugs may offer extended survival in patients with recurrent DIPG.
 
Cite this paper
Burzynski, S. , Burzynski, G. and Brookman, S. (2015) A Case of Sustained Objective Response of Recurrent/Progressive Diffuse Intrinsic Pontine Glioma with Phenylbutyrate and Targeted Agents. Journal of Cancer Therapy, 6, 40-44. doi: 10.4236/jct.2015.61006.
 
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