Abstract
Cytotoxic chemotherapy that induces lymphopenia is predicted to ablate the benefits of active antitumor immunization. Temozolomide is an effective chemotherapeutic agent for patients with glioblastoma multiforme, but it induces significant lymphopenia. Although there is monthly fluctuation of the white blood cell count, specifically the CD4 and CD8 counts, there was no cumulative decline in the patient described in this case report. Depriving patients of this agent, in order to treat with immunotherapy, is controversial. Despite conventional dogma, we demonstrated that chemotherapy and immunotherapy can be delivered concurrently without negating the effects of immunotherapy. In fact, the temozolomide-induced lymphopenia may prove to be synergistic with a peptide vaccine secondary to inhibition of regulatory T cells or their delayed recovery.
MeSH Terms
Antineoplastic Agents, Alkylating
Brain Neoplasms/immunology,therapy
Cancer Vaccines/immunology,therapeutic use
Combined Modality Therapy
Dacarbazine/analogs & derivatives
ErbB Receptors/immunology,metabolism
Flow Cytometry
Glioblastoma/immunology,therapy
Humans
Immunotherapy/methods
Male
Middle Aged
Radiotherapy
T-Lymphocyte Subsets/immunology
T-Lymphocytes/immunology
Temozolomide
Vaccines, Subunit
Chemicals
Antineoplastic Agents, Alkylating
Cancer Vaccines
Vaccines, Subunit
Dacarbazine
ErbB Receptors
Temozolomide
Authors & Affiliations
14 authors, click to expand affiliations / ORCID
Heimberger Amy B
Department of Neurosurgery, University of Texas M. D. Anderson Cancer Center, Houston, TX 77030-4009, USA.
[email protected]
Sun Wei
Hussain S Farzana
Dey Mahua
Crutcher Lamonne
Aldape Ken
Gilbert Mark
Hassenbusch Samuel J
Sawaya Raymond
Schmittling Bob
Archer Gary E
Mitchell Duane A
Bigner Darell D
Sampson John H
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