Dendritic Cell-Based Tumor Vaccine Adjuvant Immunotherapy of Human Glioblastoma Multiforme (WHO Grade IV Gliomas)

Summary

Purposes:

The purpose of this phase-II clinical trial is to determine whether or not ADCTA-G, a biologic "vaccine" preparation of patient's own dendritic cell (DC) for glioblastoma multiforme (GBM) treatment, is safe and effective in extending the GBM patient's life. The current conventional multi-modal regimen that may include surgery for tumor resection or biopsy, temozolomide (TMZ) combined chemo-radiotherapy (CCRT) and TMZ adjuvant chemotherapy almost always leaves residual GBM cells to cause fatal recurrence, leading to medium survival period of 8 -15 months and over-all survival rates of about 30% in 2 years and \<3% in 5 years after diagnosis/surgery. Thus, in neurosurgical oncology practice, GBM patients in the first 2-year period during and after receiving multi-modal therapy are watched closely for possible GBM tumor recurrence and mortal disease relapse and immediately given palliative treatments and health care, until death. In this phase-II trial, GBM patient participants who receive ADCTA-G "vaccine" adjuvant immunotherapy (added to the conventional multi-modal regimen) will be similarly watched closely by treatments and health care visits at least biweekly from the date of surgery/diagnosis to 24 months, and if alive followed by weekly phone calls and scheduled health care visits at least once every 3 months, up to 72 months after surgery. In the trial protocol, ADCT-G in 10 doses is administered after surgery, over a period of 6 or 8 months, as an adjuvant immunotherapy of the conventional multimodal regimen. Individual ADCTA-G "vaccine" lot of every participant GBM patient is manufactured from patient's own monocyte-derived dendritic cells and the patient's own tumor cell antigens, both of which are prepared by a distinct method of procedures performed within air particle-free barrier good laboratory practice (GLP) facility. Previous phase I/II clinical trial of ADCTA-G "vaccine" immunotherapy administered as an adjuvant to the conventional multimodal regimen, has obtained promising safety and efficacy results for GBM patients in a clinical center. This phase-II clinical trial in China Medical University Hospital-Taichung will employ essentially the same clinical protocols and the same distinct "vaccine" manufacturing method of standard operational procedures (SOP), that is, the conventional multimodal regimen plus adjuvant immunotherapy using personal ADCTA-G "vaccine" lot for every GBM patient participants.

Conditions

• Glioblastoma Multiforme
• Glioblastoma

Interventions

BIOLOGICAL

Single arm, open-label

Biological: ADCTA-G. Biological: autologous DC loaded with irradiated autologous tumor cells. Biological: dendritic cell "vaccine". Drug: 180mg/m2•per day temozolomide prior and concomitant with radiotherapy. Radiotherapy: Local ionizing radiation 200 centigray(cGy)/day, 5 successive days per week for 6 weeks, total dose of 6000 cGy. Drug: Adjuvant chemotherapy-temozolomide (TMZ) monthly cycle, 200mg/m2•per day continued for 5 days in the beginning of every month, 6 cycles of TMZ.

Sponsors & Collaborators

• Den-Mei Brain Tumor Education Foundation, Taichung, Taiwan

  collaborator UNKNOWN

• Ministry of Health and Welfare, Taiwan

  collaborator OTHER_GOV

• China Medical University Hospital

  lead OTHER

Principal Investigators

• Wen-Kuang Yang, M.D. PhD. · China Medical University Hospital, Taichung Taiwan

Study Design

Allocation

NA

Purpose

TREATMENT

Masking

NONE

Model

SINGLE_GROUP

Eligibility

Min Age

13 Years

Max Age

70 Years

Sex

ALL

Healthy Volunteers

No

Timeline & Regulatory

Start

2005-05-31

Primary Completion

2014-12-31

Completion

2016-12-31

Countries

• Taiwan

Study Locations