Study of the Effect NT-I7 on CD4 Counts in Patients With High Grade Gliomas

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE1

Total Enrollment

12 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-10-30

Study Completion Date

2023-10-03

Brief Summary

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The purpose of this study is to determine the maximum tolerated dose (MTD) and select optimal biological doses (OBD) of the study drug NT-I7 in High Grade Glioma patients with severe lymphopenia, as well as to test the effect of NT-I7 on the CD4 counts of patients in comparison to control participants. This study has both a Phase I and Pilot component.

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Detailed Description

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PRIMARY OBJECTIVES:

Phase I: To determine the MTD (Maximum Tolerated Dose) and select optimal biological doses (OBD) of NT-I7 in HGG patients with severe lymphopenia

Pilot Study: To test the effect of NT-I7 on CD4 counts compared to control

SECONDARY OBJECTIVES:

1. To evaluate the optimal biological dose of NT-I7
2. To evaluate the effect of concurrent dexamethasone
3. To evaluate the duration of effect on CD4 counts (up to 6 months)
4. To evaluate the total lymphocyte counts over time and serial T cell lymphocyte subtypes and the effect on T cell repertoire (up to 6 months)
5. To evaluate the serial cytokine levels (up to 6 months)
6. To evaluate the impact of adjuvant temozolomide on NT-I7 effects on CD4 counts
7. To evaluate anti-drug antibodies
8. To evaluate the pharmacokinetic profile of NT-I7 after intramuscular administration in this patient population
9. To evaluate the safety and toxicity of NT-I7 in patients with high grade glioma

OUTLINE: Patients are assigned to 1 of 2 groups depending on their use of dexamethasone.

GROUP A: Patients not on dexamethasone (or equivalent of an alternative corticosteroid), or on a dose lower than a physiologic dose (=\< 0.75 mg daily)

GROUP B: patients who require dexamethasone (or equivalent of an alternative corticosteroid) =\> 4 mg daily

Patients must have been on the group assignment dose of corticosteroids for at least 5 days prior to the dose of NT-I7. Corticosteroid dose changes prior to the start of treatment are allowed as long as they do not alter patient's group assignment.

PHASE I TREATMENT PLAN

All patients (both Groups A and B) will be given a single dose of NT-I7 by intramuscular injection starting at 60 μg/kg, within one week after completing concurrent RT+TMZ and before starting adjuvant TMZ treatment, during the standard post-radiation break. Following this period, as per standard treatment, patients will go on to receive adjuvant temozolomide on Days 1-5 of 28-day cycles for 6 cycles. There should be about six weeks between the study injection and the start of adjuvant temozolomide; thus the start of adjuvant TMZ will be approximately two weeks later than the usual start, which is 4 weeks post-end of radiation. Patients who are delayed from receiving or are not able to receive adjuvant TMZ treatment may continue on study; adjuvant TMZ treatment is not a requirement for participation.

PILOT STUDY TREATMENT PLAN

GROUP A: participants will be given either a placebo (NT-I7 diluent) or one dose of NT-I7 at the Phase I Group A OBD by intramuscular injection within one week after completing concurrent RT+TMZ and before starting adjuvant TMZ treatment, during the standard post-radiation break.

GROUP B: participants will be given one dose of NT-I7 at the Phase I Group B OBD by intramuscular injection within one week after completing concurrent RT+TMZ and before starting adjuvant TMZ treatment, during the standard post-radiation break.

After completion of study treatment, patients are followed up every 2 months for 2 years and then every 6 months thereafter.

Conditions

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Lymphopenia Malignant Glioma

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Dose Escalation - 3 levels - Group A Dexamethasone less/equal 0.75mg/day; Group B Dexamethasone greater/equal 4mg/day. At MTD Group A - w/outDexamethasone randomized Arm 1 placebo and Arm 2 MTD; Group B MTD w/ Dexamethasone single arm

Primary Study Purpose

SUPPORTIVE_CARE

Blinding Strategy

DOUBLE

Participants Caregivers

Participant is blinded and partially randomized in the Pilot study.

Intervention Type OTHER

Correlative studies

NT-I7

Intervention Type BIOLOGICAL

Given IM

Interventions

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Laboratory Biomarker Analysis

Correlative studies

Intervention Type OTHER

NT-I7

Given IM

Intervention Type BIOLOGICAL

Placebo

Given IM

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Patients must have histologically confirmed high grade glioma by pathology (World Health Organization \[WHO\] grade III and IV)

* Patients' post-operative treatment must have included at least 80% of standard radiation and concomitant temozolomide; patients may not have received any other prior chemotherapy, immunotherapy or therapy with biologic agent (including immunotoxins, immunoconjugates, antisense, peptide receptor antagonists, interferons, interleukins, tumor infiltrating lymphocytes \[TIL\], lymphokine-activated killer \[LAK\] or gene therapy), or hormonal therapy for their brain tumor; prior Gliadel wafers are allowed; glucocorticoid therapy is allowed
* Patients must have CD4 =\< 300 cells/mm\^3 in the last week (7 days) of standard radiation + temozolomide treatment (58-60 Gy radiation with temozolomide 75 mg/m2 daily during radiation)
* Absolute neutrophil count \>= 1,000/mcL
* Platelets \>= 50,000/mcL (need to confirm before administering study drug)
* Hemoglobin \>= 9 g/dL
* Total bilirubin =\< institutional upper limit of normal
* Aspartate aminotransferase (AST) (serum glutamic oxaloacetic transaminase \[SGOT\])/alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase \[SGPT\]) =\< 2.5 x institutional upper limit of normal
* Creatinine =\< institutional upper limit of normal OR creatinine clearance \>= 60 ml/min/1.73 m\^2 for patients with creatinine levels above institutional normal
* Activated partial thromboplastin time (APTT) or partial thromboplastin time (PTT) =\< 1.5 x institutional upper limit of normal
* Patients must have a Karnofsky performance status (KPS) \>= 60% (i.e. the patient must be able to care for himself/herself with occasional help from others)
* Patients must be able to provide written informed consent
* Women of childbearing potential must have a negative serum pregnancy test prior to study entry; women of childbearing potential and men must agree to use two birth control methods (either two barrier methods or a barrier method plus a hormonal method) or abstinence prior to study entry and for the duration of study participation (through at least 90 days after the last study injection); should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately
* Dexamethasone dose must be provided for treatment group assignment:

* Group A: patients not on dexamethasone or on a dose =\< 0.75 mg daily (or equivalent of an alternative corticosteroid)
* Group B: patients who require dexamethasone \>= 4 mg daily (or equivalent of an alternative corticosteroid) \*\* Patients must have been on the group assignment dose of corticosteroids for at least 5 days prior to the dose of NT-I7; corticosteroid dose changes prior to the start of treatment are allowed as long as they do not alter patient's group assignment

Exclusion Criteria

* Patients receiving any other investigational agents are ineligible
* Patients with known hypersensitivity to NT-I7 or any component used in the vehicle/formulation are ineligible
* Patients with uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements, are ineligible
* Pregnant women are excluded from this study; breastfeeding should be discontinued if the mother is treated with NT-I7
* Patients with human immunodeficiency virus (HIV) are excluded
* Patients with a known or screening-period-determined corrected QT (QTc) interval \> 450 msec and patients who require a therapy with a drug known to prolong the QT/QTc interval, are ineligible
* Patients with a history of or who currently have evidence of autoimmune disease (other than autoimmune thyroid disease managed with thyroid hormone replacement or vitiligo) including: myasthenia gravis, Guillain Barre syndrome, systemic lupus erythematosus, multiple sclerosis, scleroderma, ulcerative colitis, Crohn's disease, autoimmune hepatitis, Wegener's etc., are ineligible

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No