NCT02358187

Brief Summary

The study will assess the immunogenicity, safety and preliminary clinical efficacy of the glioma associated antigen (GAA)/tetanus toxoid (TT) peptide vaccine and poly-ICLC in HLA-A2+ children with unresectable low-grade gliomas that have received at least two chemotherapy/biologic regimens. Radiation therapy counts as one biologic regimen, but patients may not have received radiation to the index lesion within 1 year of enrollment.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
25

participants targeted

Target at below P25 for phase_2

Timeline
32mo left

Started Jan 2015

Longer than P75 for phase_2

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress81%
Jan 2015Dec 2028

Study Start

First participant enrolled

January 1, 2015

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

February 3, 2015

Completed
3 days until next milestone

First Posted

Study publicly available on registry

February 6, 2015

Completed
11.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2027

Expected
2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2028

Last Updated

January 7, 2026

Status Verified

January 1, 2026

Enrollment Period

12 years

First QC Date

February 3, 2015

Last Update Submit

January 5, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Tumor shrinkage or stable disease

    Participants who demonstrate radiological evidence of tumor shrinkage or stable disease without regimen-limiting toxicity (RLT) after the initial 8 vaccines will be eligible to receive additional vaccinations beginning week 24 and every 6 weeks thereafter for up to two years.

    Week 24

Study Arms (1)

HLA-A2 Restricted Glioma Antigen-Peptides with Poly-ICLC

EXPERIMENTAL

All subjects will receive vaccine plus Poly-ICLC. Injections will be given every 3 week for a total of 8 vaccines.

Biological: Experimental: HLA-A2 Restricted Glioma Antigen-Peptides with Poly-ICLC

Interventions

Poly-ICLC is administered intramuscularly (i.m.) using sterile technique, as supplied from the vial, and in the amount prescribed for the participant's weight. Patients should receive a dose of acetaminophen (15 mg/kg up to a max of 1000 mg) 30-60 minutes before each poly-ICLC administration. The poly-ICLC treatments will be administered immediately following the vaccine. Patients/parents will be asked to report any temperature elevations and side effects after each treatment.

HLA-A2 Restricted Glioma Antigen-Peptides with Poly-ICLC

Eligibility Criteria

Age12 Months - 21 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)

You may qualify if:

  • Tumor Type
  • Unresectable low-grade gliomas that have received at least two chemotherapy/biologic regimens. Radiation therapy counts as a biologic regimen. Patients may not have received radiation therapy to the index lesion within 1 year of enrollment. Patients may have tumor spread within the central nervous system (CNS).
  • HLA-A2 positive based on flow cytometry.
  • Patients must be clinically stable and off or on low-dose (no more than 0.1 mg/kg/day, max 4 mg/day Dexamethasone) corticosteroid for at least one week prior to study registration.
  • Patients must be ≥ 12 months and \< 22 years of age at the time of HLA-A2 screening.
  • Patients must have a performance status of ≥ 70; (Karnofsky if \> 16 years and Lansky if ≤ 16 years of age.
  • Documented negative serum beta-human chorionic gonadotropin (HCG) for female patients who are post-menarchal. Because the effect of the peptide-based vaccine and poly-ICLC on the fetus has not sufficiently been investigated, pregnant females will not be included in the study.
  • Patients must be free of systemic infection requiring IV antibiotics at the time of registration. Patients must be off IV antibiotics for at least 7 days prior to registration.
  • Patients with adequate organ function as measured by: Bone marrow: absolute neutrophil count (ANC) \> 1,000/µ; Platelets \> 100,000/µ (transfusion independent); absolute lymphocyte count of ≥ 500/µ; Hemoglobin \>8 g/dl (may be transfused). Hepatic: bilirubin \< 1.5x institutional normal for age; serum glutamate pyruvate transaminase (SGPT) \< 3x institutional normal.
  • Renal: Serum creatinine based on age or Creatinine clearance or radioisotope glomerular filtration rate (GFR) ≥ 70 ml/min/ml/min/1.73 m²
  • Patients must have recovered from the toxic effects of prior therapy to grade 1 or better. Patients must be at least 3 weeks from the last dose of standard cytotoxic chemotherapy or myelosuppressive biological therapy and at least 1 week from the last dose of non-myelosuppressive biologic therapy.
  • No overt cardiac, gastrointestinal, pulmonary or psychiatric disease.

You may not qualify if:

  • Patients living outside of North America are not eligible.
  • Patients may not have received radiation to the index lesion within 1 year of enrollment.
  • Concurrent treatment or medications (must be off for at least 1 week) including:
  • Interferon (e.g. Intron-A®)
  • Allergy desensitization injections
  • Growth factors (e.g. Procrit®, Aranesp®, Neulasta®)
  • Interleukins (e.g. Proleukin®)
  • Any investigational therapeutic medication
  • Patients must not have a history of, or currently active autoimmune disorders requiring cytotoxic or immunosuppressive therapy, or autoimmune disorders with visceral involvement.
  • Use of immunosuppressives within four weeks prior to study entry or anticipated use of immunosuppressive agents. Dexamethasone, or other corticosteroid medications, if used in the peri-operative period must be tapered to no more than 0.1 mg/kg/day, max 4 mg/day dexamethasone for at least one week before study registration. Topical corticosteroids are acceptable.
  • Because patients with immune deficiency are not expected to respond to this therapy, HIV-positive patients are excluded from the study.
  • Patients who have received prior immunotherapy.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Children's Hospital of Pittsburgh of UPMC

Pittsburgh, Pennsylvania, 15224, United States

RECRUITING

MeSH Terms

Interventions

poly ICLC

Study Officials

  • James Felker, MD

    University of Pittsburgh

    PRINCIPAL INVESTIGATOR

Central Study Contacts

James Felker, MD

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Assistant Professor

Study Record Dates

First Submitted

February 3, 2015

First Posted

February 6, 2015

Study Start

January 1, 2015

Primary Completion (Estimated)

January 1, 2027

Study Completion (Estimated)

December 31, 2028

Last Updated

January 7, 2026

Record last verified: 2026-01

Locations