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Autologous Dendritic Cells Loaded With Autologous Tumor Associated Antigens for Treatment of Newly Diagnosed Glioblastoma

A

AIVITA Biomedical

Status and phase

Active, not recruiting
Phase 2

Conditions

Newly Diagnosed Glioblastoma

Treatments

Biological: AV-GBM-1

Study type

Interventional

Funder types

Industry

Identifiers

NCT03400917
CL-GBM-P01

Details and patient eligibility

About

This is a single-arm, open-label phase II clinical trial in which approximately 55 patients with newly diagnosed glioblastoma (GBM) will be enrolled with the intent to receive an autologous dendritic cell vaccine consisting of autologous dendritic cells loaded with autologous tumor-associated antigens (AV-GBM-1).

Full description

This is a single-arm, open-label phase II clinical trial in which approximately 55 patients will be enrolled with the intent to receive AV-GBM-1. Patients eligible for treatment will be those (1) who have recovered from surgery such that they are about to begin concurrent chemotherapy and radiation therapy (CT/RT), (2) for whom an autologous tumor cell line has been established, (3) have a KPS of > 70, and (4) have undergone successful leukapheresis from which peripheral blood mononuclear cells (PBMC) were obtained that can be used to generate dendritic cells (DC).

The primary endpoint of this trial is overall survival (OS), death from any cause measured from the date of study enrollment for treatment with AV-GBM-1. Secondary endpoints will include (1) PFS measured from date of enrollment, (2) OS/PFS measured from date of diagnosis and (3) OS/PFS from date of enrollment based on KPS, age, and extent of surgical resection. Tertiary endpoints will include (1) OS/PFS from date of first injection and (2) OS/PFS from date of first injection in patients who completed concurrent CT/RT and had not progressed.

Patient Population: Patients 18 years or older with newly diagnosed glioblastoma [World Health Organization (WHO) Grade IV glioma, Grade IV anaplastic astrocytoma, glioblastoma or gliosarcoma, glioblastoma multiforme (GBM)] who have recovered from surgery, for whom an autologous tumor cell culture and leukapheresis product are available, who have a KPS of > 70, and who are about to begin concurrent CT/RT.

Enrollment

55 estimated patients

Sex

All

Ages

18 to 70 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Karnofsky Performance Score of 70-100%
  • Histology confirmed to be GBM (Grade IV WHO, glioblastoma, gliosarcoma)
  • Successful establishment of an autologous cancer cell line by AIVITA Biomedical, Inc.
  • Collection of a satisfactory leukapheresis product
  • About to begin concurrent CT/RT
  • Given written informed consent to participate in the study

Exclusion criteria

  • Known to have active hepatitis B or C or HIV
  • Karnofsky Performance Score of < 70%
  • Known underlying cardiac disease associated with myocardial dysfunction that requires active medical treatment, or unstable angina related to atherosclerotic cardiovascular disease, or under treatment for arterial or venous peripheral vascular disease
  • Diagnosis of any other invasive cancer or other disease process which is considered to be life-threatening within the next five years, and/or taking anti-cancer therapy for cancer other than GBM
  • Active infection or other active medical condition that could be eminently life-threatening, including active blood clotting or bleeding diathesis.
  • Known autoimmune disease, immunodeficiency, or disease process that involves the chronic use of immunosuppressive therapy.
  • Received another investigational drug within 28 days of the first dose or are planning to receive another investigational drug while receiving this investigational treatment.
  • Known hypersensitivity to GM-CSF
  • Pregnancy

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

55 participants in 1 patient group

AV-GBM-1
Experimental group
Description:
Autologous dendritic cells loaded with tumor associated antigens from a short-term cell culture of autologous tumor cells. AV-GBM-1 is admixed with granulocyte-macrophage colony stimulating factor (GM-CSF) as an adjuvant, prior to injection.
Treatment:
Biological: AV-GBM-1

Trial contacts and locations

8

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Data sourced from clinicaltrials.gov

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