Adjuvant Dendritic Cell-immunotherapy Plus Temozolomide in Glioblastoma Patients

  • STATUS
    Recruiting
  • End date
    Dec 28, 2024
  • participants needed
    20
  • sponsor
    University Hospital, Antwerp
Updated on 28 January 2021

Summary

In this phase I/II trial, the primary objective is to determine overall and progression-free survival of patients with newly diagnosed glioblastoma when autologous Wilms' tumor 1 (WT1) messenger (m)RNA-loaded dendritic cell (DC) vaccination is added to adjuvant temozolomide maintenance treatment following (sub)total resection and temozolomide-based chemoradiation.

Description

Glioblastoma multiforme (GBM), a microscopically infiltrative disease, is the most common malignant brain tumor worldwide. Despite optimized standard of care treatment median survival and prognosis remain poor with a median survival of only 15% and five year survival after diagnosis of 5%.

In this single arm single centre phase I/II trial the investigators will determine the overall and progression free survival of patients with newly diagnosed GBM when autologous WT1 mRNA loaded dendritic cell vaccination is added to standard of care treatment. During recruitment, the investigators will include 20 patients with newly diagnosed, histologically verified glioblastoma (WHO grade IV) who have received a total or subtotal resection of the tumor. Patients who underwent prior radiation or chemotherapy or with a history of other malignancy will be excluded. In addition to standard of care consisting of adjuvant chemoradiation with temozolomide and temozolomide maintenance patients will receive an intradermal vaccination with autologous WT1 mRNA-loaded dendritic cells commencing 1 week after radiotherapy. The dendritic cell therapy product will be generated and administered in the Antwerp University Hospital, more specifically the Center for Cell Therapy and Regenerative Medicine (CCRG) and the Division of Hematology, both headed by Prof. Zwi Berneman.

Recruitment began in December 2015 and is intended to continue until the end of 2020 or when 20 patients are enrolled. After a follow-up period (until 90 days after final DC vaccine administration or 24 months after apheresis , whichever occurs later), overall and progression free survival analysis will be performed and this will be compared with the published data of standard of care treatment without vaccination. In addition the investigators will look for feasibility, incidence of adverse events and immunogenicity.

Details
Condition Glioblastoma Multiforme of Brain
Treatment Dendritic cell vaccine plus temozolomide chemotherapy
Clinical Study IdentifierNCT02649582
SponsorUniversity Hospital, Antwerp
Last Modified on28 January 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Newly diagnosed, histologically verified glioblastoma (WHO grade IV)
Aged 18 years
Total or subtotal resection
Total resection: macroscopic complete resection as assessed by the neurosurgeon and absence of any residual contrast-enhancing mass on post-operative ( 72h) brain MRI
Subtotal resection: macroscopic complete resection as assessed by the neurosurgeon, but with residual contrast-enhancement 2 cm on post-operative ( 72h) brain MRI
Signed informed consent
Willing and able to comply with the protocol as judged by the Investigator
Estimated to start with chemoradiation 28 days and 49 days following surgical resection
Fit to undergo: leukapheresis, chemoradiation, chemotherapy and immunotherapy
No corticosteroid treatment 1 week before apheresis
WHO performance status 2
Life expectancy 3 months as estimated by the Investigator

Exclusion Criteria

History of another malignancy, except for adequately controlled basal cell skin carcinoma, squamous skin carcinoma, or carcinoma in situ of the uterine cervix or unless the investigator rationalizes otherwise
Prior radiation or chemotherapy
Any pre-existing contraindication for temozolomide treatment
Any pre-existing contraindication for contrast-enhanced brain MRI
Pregnant or breast-feeding
Documented immune deficiency or systemic immune-suppressive treatment
Known positive viral serology for HIV, HBV, HCV, or syphilis
Any other condition, either physical or psychological, or reasonable suspicion thereof on clinical or special investigation, which contraindicates the use of the vaccine, or may negatively affect patient compliance, or may place the patient at higher risk of potential treatment complications
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