Pegylated Interferon ALFA-2b in Children With Juvenile Pilocytic Astrocytomas and Optic Pathway Gliomas

  • STATUS
    Recruiting
  • End date
    Dec 28, 2021
  • participants needed
    20
  • sponsor
    Emory University
Updated on 28 January 2021
corticosteroids
nitrosoureas
interferon
growth factor
MRI
residual tumor
bevacizumab
poly iclc
brain tumor
biologics

Summary

This is a phase II study of the drug, pegylated interferon alfa-2b (PEG-Intron), used to treat brain tumors in a pediatric population. Researchers want to see if treatment with PEG-Intron will stop tumor growth for patients with juvenile pilocytic astrocytomas or optic pathway gliomas.

The purposes of this study are:

  • To learn more about the response to pegylated interferon
  • To learn more about the side effects of pegylated interferon
  • To learn more about MRI images in patients with Juvenile Pilocytic Astrocytomas or Optic Pathway Gliomas.
  • To learn more about quality of life in patients treated with pegylated interferon

Description

Low grade gliomas are the most common pediatric central nervous system malignancies and can occur in different parts of the brain. Patients who undergo gross total resection, usually those with hemispheric tumors, have an excellent prognosis with surgical resection alone. Patients for whom gross total resection is not achievable have a significant risk of disease progression. Therefore, these patients benefit from adjuvant therapy. Multiple chemotherapy regimens have shown some efficacy in residual tumor, but more than 50% of patients experience recurrences. Radiation has been shown to be an effective therapy in the treatment of these tumors. Because of concerns regarding radiation toxicity especially in young children, and progression despite chemotherapy, novel approaches are needed. This protocol represents an attempt to measure the efficacy and safety of use of pegylated interferon for patients with recurrent, refractory Juvenile Pilocytic Astrocytomas (JPA) or optic pathway gliomas. It provides a different approach to the commonly used treatment modalities. The objectives of this study are to determine the response of children with chemotherapy-refractory progressive JPA or optic pathway gliomas (OPG) to weekly pegylated interferon alpha-2b. The secondary objectives include to better identify the toxicities of weekly pegylated interferon alpha-2b (PEG-Intron) in pediatric patients with unresectable, refractory, recurrent JPAs or optic pathway gliomas, to evaluate various magnetic resonance imaging techniques for noninvasive monitoring of metabolic and biologic changes in the tumors and to evaluate the quality of life for patients with recurrent, refractory JPAs who receive therapy with pegylated interferon alpha-2b (PEG-Intron).

The primary end point is to determine the response rate. A two-stage design has been selected to evaluate the response rate. If the treatment demonstrates at least a 25% response rate, the researchers would consider it a promising regimen for further study. A response rate less than 5% is considered evidence of unpromising regimen. Seventeen evaluable pediatric patients with JPA or OPG will be accrued. If at least 3 responders are seen among the 17 patients, this will be considered evidence of a promising response rate for further evaluation.

Details
Condition Astrocytoma, Glioma, Optic Pathway Gliomas, Gliomas
Treatment Pegylated interferon alpha-2b
Clinical Study IdentifierNCT02343224
SponsorEmory University
Last Modified on28 January 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Patients must be older than 3 years and less than or equal to 25 years of age at the time of enrollment
Patients with neurofibromatosis are eligible
Histologic confirmation is not required for this if the patient has neurofibromatosis type 1 (NF-1) with MRI findings consistent with optic pathway glioma or JPA. Any other tumors will need histological confirmation, either at the time of diagnosis or at the time of recurrence. The histological diagnosis includes World Health Organization (WHO) grade I JPA
Patients must have measurable residual disease, defined as tumor that is measurable in two or three perpendicular diameters on MRI. For a lesion to be considered measurable, it must be at least twice the slice thickness on MRI (i.e visible on more than one slice)
All patients must have a brain MRI with and without contrast (gadolinium) within 30 days prior to study enrollment. All patients with history of spinal or leptomeningeal disease and those patients with symptoms suspicious of spinal disease, must have a spine MRI with contrast (gadolinium) performed within 30 days prior to study enrollment. Lumbar puncture is necessary if there is evidence of tumor dissemination on the MRI of spine
Performance Level: Karnofsky > or equal to 50% for patients > 10 years of age or Lansky > or equal to 50 for patients < 10 years of age
Patients must have recovered (to CTC v.5.0 Grade 1 unless indicated below) from the acute toxic effects of all prior chemotherapy, immunotherapy prior to entering this study, with the exception of alopecia, weight changes and Grade I or II lymphopenia
Must not have received myelosuppressive chemotherapy within 3 weeks of enrollment onto this study (6 weeks if prior nitrosourea)
At least 7 days must have elapsed since the completion of therapy with other biologic agents. For other biologic agents that have known adverse events occurring beyond 7 days after administration, this period must be extended beyond the time during which adverse events are known to occur
At least 3 half-lives of the antibody after the last dose of a monoclonal antibody. Specifically for bevacizumab 36 days after the last dose
At least 3 weeks from the last surgical resection, prior to start study drug
At least 42 days after the completion of any type of immunotherapy, e.g. tumor vaccines
Patients must have had their last fraction of cranial or craniospinal Radiation 24 months prior to study entry
Patients who have received polyinosinic-polycytidylic acid-polylysine-carboxymethylcellulose (Poly-ICLC) are eligible for this trial if all acute Poly-ICLC -related toxicity has resolved
Patients must not have received Pegylated interferon previously
Must not have received growth factor within 2 weeks of entry into this study
Patients who are receiving corticosteroids must be on a stable or decreasing dose for at least 1 week prior enrollment in the study
Adequate organ, hematological, renal, and pulmonary function
If history of depression or psychiatric illness, has to be well controlled with antidepressants and/or under psychiatrist/psychologist care

Exclusion Criteria

Patients who are receiving concurrent chemotherapy, or who are currently receiving other investigational chemotherapeutic agents or concurrently receiving radiation
Patients with a known hypersensitivity to interferon-alpha
Prior use of Pegylated interferon or interferon
Less than 2 years since completion of radiation therapy
Pregnant or breast-feeding females are excluded
Patients with clinically significant unrelated systemic illness
Dental braces or prosthesis that interferes with magnetic resonance (MR) imaging
History of noncompliance to medical regimens
Patients unwilling to or unable to comply with the protocol
Patients with a positive history of Hepatitis B or Hepatitis C
Male patient whose sexual partner(s) are women of childbearing potential who are not willing to use adequate contraception, during the study and for 8 weeks after the end of treatment
Patients should not receive immunization with attenuated live vaccines within one week of study entry or during study period
Patient with diagnosis of Diffuse Intrinsic Pontine Glioma
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