NCT02372409 · REGISTRY CONDITION SEARCH

Using MRI-Guided Laser Heat Ablation to Induce Disruption of the Peritumoral Blood Brain Barrier to Enhance Delivery and Efficacy of Treatment of Pediatric Brain Tumors

Found through the registry condition index, not selected as a treatment recommendation. This discovery collection was restricted to studies with posted results.

Phase: PHASE2
Status at capture: TERMINATED
Registry last update: 2024-11-01

By employing a combination of advanced MRI techniques and correlative serum biomarkers of blood brain barrier (BBB) disruption, the investigators plan to develop a powerful, first of its kind clinical algorithm in pediatrics whereby the investigators can measure and identify the window of maximal BBB disruption post MLA to 1) allow for an alternative to surgery in incompletely resected tumors, 2) allow for optimal chemotherapeutic dosing to achieve the greatest benefits and the least systemic side effects and 3) distinguish subsequent tumor progression from long-term MLA treatment effects. Preliminary data in adult imaging studies have shown that the BBB disruption lasts for several weeks following treatment before returning to a low baseline. This pilot therapeutic study will provide preliminary validation in pediatric patients.

Open the original ClinicalTrials.gov record → · Download preserved record

What did the study report?

Outcomes, safety and baseline populations are separate source sections. Quality-of-life measures appear under their original outcome titles.

flow

Participant flow

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baseline

Baseline characteristics

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outcome · POSTED

Arm A Only: Number of Participants With Progression-free Survival (PFS)

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outcome · POSTED

Arm A Only: Overall Survival (OS) as Measured by Number of Participants Alive at 5 Years

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outcome · POSTED

Arm B Only: Number of Participants With Progression-free Survival (PFS)

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outcome · POSTED

Change in Quality of Life as Measured by Karnofsky or Lansky Performance Status

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outcome · POSTED

Serum Biomarkers of Peritumoral Blood Brain Barrier (BBB) Disruption as Measured by Change in Neuron-specific Enolase (NSE)

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outcome · POSTED

Serum Biomarkers of Peritumoral Blood Brain Barrier (BBB) Disruption as Measured by Change in S100B

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outcome · POSTED

Serum Biomarkers of Peritumoral Blood Brain Barrier (BBB) Disruption as Measured by Change in GFAP

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outcome · POSTED

Correlation of MR Imaging With Peritumoral BBB Disruption

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outcome · POSTED

Predictive Value of the Peritumoral Permeability Score for Patient Outcome as Measured by PFS

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adverse events

Adverse events

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more info

Limitations, agreements, and source contact

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Who could take part

eligibility Criteria: Inclusion Criteria: ARM A * Presumed pediatric gliomas (grades I-IV) on MRI that are determined to be candidates for MLA by the treating neurosurgeon * Age 3 to ≤ 21 * Karnofsky/Lansky performance status ≥ 60% ARM B * Recurrent pediatric brain tumors determined candidates for MLA as determined by the treating neurosurgeon. * Unequivocal evidence of tumor progression by MRI * There must be an interval of at least 12 weeks from the completion of radiotherapy to study registration except if there is unequivocal evidence for tumor recurrence per RANO criteria. When the interval is less than 12 weeks from the completion of radiotherapy, the use of PET scan is allowed to differentiate between evidence of tumor recurrence and pseudoprogression. * Recurrent lesions with dimension and contour that are determined by the treating neurosurgeon to be appropriate for MLA. * Age 3 to ≤ 21 * Karnofsky/Lansky performance status ≥ 60% * Adequate cardiac function as determined by a shortening fraction ≥ 27% or left ventricular ejection fraction ≥ 50% by echocardiogram within the past 1 year prior to registration. * Prior anthracycline therapy does not exceed 200 mg/m\^2 total cumulative dose. * Adequate bone marrow and hepatic function as defined below (must be within 7 days of MLA): * Absolute neutrophil count (ANC) ≥ 1000/mcl (G-CSF is allowed) * Platelets ≥ 100 K/cumm * Hemoglobin ≥ 9 g/dL (pRBC transfusion +/- ESA are allowed) * ALT ≤ 3 x ULN * AST ≤ 3 x ULN * ALP ≤ 3 x ULN. If ALP is \> 3 x ULN, GGT must be checked and be ≤ 3 x ULN. * Bilirubin ≤ 2 x ULN * At the time of registration, patient must have recovered from the toxic effects of prior therapy to no more than grade 1 toxicity. * At the time of registration, patient must be at least 4 weeks from other prior cytotoxic chemotherapy. * Women of childbearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control, abstinence) prior to study entry and for the duration of study participation. Should a woman become pregnant or suspect she is pregnant while participating in this study, she must inform her treating physician immediately. * Ability to understand and willingness to sign an IRB approved written informed consent document (or that of legally authorized representative, if applicable). Exclusion Criteria: ARM A * Currently receiving or scheduled to receive any other therapies intended to treat the newly diagnosed glioma prior to MLA and the first post-MLA blood collection for correlative studies. * Multi-focal or metastatic disease. * Pregnant and/or breastfeeding. Premenopausal women must have a negative serum or urine pregnancy test within 14 days of study entry. * Inability to undergo MRI due to personal or medical reasons. * Known history of HIV or autoimmune diseases requiring immunosuppressant drugs. ARM B * Prior treatment with bevacizumab within 12 weeks of study entry. * Previous treatment with complete cumulative doses of daunorubicin, idarubicin, and/or other anthracyclines and anthracenediones that is equivalent to a total dose of \> 200 mg/m2 doxorubicin. * More than 2 prior relapses (not counting the current relapse being treated on this study). * Currently receiving any other investigational agents that are intended as treatments of the relapsed tumor. * Multi-focal or metastatic disease. * A history of allergic reactions attributed to compounds of similar chemical or biologic composition to doxorubicin or other agents used in the study. * Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, recent heart attack within the previous 12 months or severe heart problems, or psychiatric illness/social situations that would limit compliance with study requirements. * Pregnant and/or breastfeeding. Premenopausal women must have a negative serum or urine pregnancy test within 14 days of study entry. * Inability to undergo MRI due to personal or medical reasons. * Known history of HIV or autoimmune diseases requiring immunosuppressant drugs.
healthy Volunteers: false
maximum Age: 21 Years
minimum Age: 3 Years
sex: ALL
std Ages: CHILD
ADULT

Treatment arms and interventions

arm Groups

description
* MLA is a minimally invasive laser surgery currently FDA approved for cytoreductive treatment of brain tumors, both primary and metastatic. MLA employs a small incision in the scalp and skull, through which a thin laser probe is inserted and guided by MR imaging to the core of a tumor mass where it delivers hyperthermic ablation from the core to the rim. * Participants will undergo DCE and DSC-MRI imaging at the following time points: * no more than 3 weeks prior to MLA (OPTIONAL) * within approximately 4 days after MLA * 2-4 weeks after MLA * Every 12 weeks (+/- 7 days) for the first year or until disease progression
intervention Names
Device: MRI-guided laser ablation
Device: Dynamic contrast-enhanced (DCE) MRI
Device: Dynamic susceptibility contrast (DSC) MRI
label
Arm A (MRI-guided laser ablation)
type
EXPERIMENTAL
description
* MLA is a minimally invasive laser surgery currently FDA approved for cytoreductive treatment of brain tumors, both primary and metastatic. MLA employs a small incision in the scalp and skull, through which a thin laser probe is inserted and guided by MR imaging to the core of a tumor mass where it delivers hyperthermic ablation from the core to the rim. * Within 7 days of MLA (range 2-14 days) doxorubicin will be given intravenously on an outpatient basis weekly for 6 weeks at a dose of 25 mg/m\^2 over 5-30 minutes * Following the completion of doxorubin, etoposide 50 mg/m\^2/day will be given orally for 21 days of each 28-day cycle (treatment can continue up to 24 cycles) * Participants will undergo DCE and DSC-MRI imaging at the following time points: * no more than 3 weeks prior to MLA (OPTIONAL) * within approximately 4 days after MLA * 2-4 weeks after MLA * every 8 weeks (+/- 7 days) until 2 years have elapsed or disease progression, whichever comes first
intervention Names
Device: MRI-guided laser ablation
Drug: Doxorubicin
Drug: Etoposide
Device: Dynamic contrast-enhanced (DCE) MRI
Device: Dynamic susceptibility contrast (DSC) MRI
label
Arm B (MRI-guided laser ablation, doxorubicin, etoposide)
type
EXPERIMENTAL

interventions

arm Group Labels
Arm A (MRI-guided laser ablation)
Arm B (MRI-guided laser ablation, doxorubicin, etoposide)
name
MRI-guided laser ablation
other Names
MLA
type
DEVICE
arm Group Labels
Arm B (MRI-guided laser ablation, doxorubicin, etoposide)
name
Doxorubicin
other Names
Adriamycin
type
DRUG
arm Group Labels
Arm B (MRI-guided laser ablation, doxorubicin, etoposide)
name
Etoposide
other Names
Etoposide phosphate
VP-16
Toposar
Etopophos
VePesid
type
DRUG
arm Group Labels
Arm A (MRI-guided laser ablation)
Arm B (MRI-guided laser ablation, doxorubicin, etoposide)
name
Dynamic contrast-enhanced (DCE) MRI
other Names
DCE-MRI
type
DEVICE
arm Group Labels
Arm A (MRI-guided laser ablation)
Arm B (MRI-guided laser ablation, doxorubicin, etoposide)
name
Dynamic susceptibility contrast (DSC) MRI
other Names
DSC-MRI
type
DEVICE

Study design

allocation

NON_RANDOMIZED

intervention Model

PARALLEL

masking Info

masking: NONE

primary Purpose

TREATMENT

Enrollment

count: 6
type: ACTUAL

Registered outcome plans (not posted results)

primary Outcomes

description
PFS is followed from start of treatment to time of progression or death, whichever occurs first.
measure
Arm A Only: Number of Participants With Progression-free Survival (PFS)
time Frame
Up to 5 years from date of registration (median length of follow-up, full range 196 days-1801 days)
measure
Arm A Only: Overall Survival (OS) as Measured by Number of Participants Alive at 5 Years
time Frame
Up to 5 years from date of registration (median length of follow-up, full range 196 days-1801 days)
description
PFS is followed from start of treatment to time of progression or death, whichever occurs first.
measure
Arm B Only: Number of Participants With Progression-free Survival (PFS)
time Frame
At 6 months

secondary Outcomes

description
Score ranges from 100% to 10%. A higher score indicates that the patient has a more normal quality of life.
measure
Change in Quality of Life as Measured by Karnofsky or Lansky Performance Status
time Frame
At 1 year post-MLA
description
* Arm A patients had blood drawn at the following time points: baseline, 3 days post-MLA, 2-4 weeks post-MLA, and every 12 weeks thereafter for 12 months post-MLA * Arm B patients had blood drawn at the following time points: baseline, 3 days post-MLA, week 1, week 2, week 3, week 4, week 5, week 6, and every 8 weeks for the first 2 years or until disease progression, whichever occurs first. * Neuron specific enolase is an enzyme involved in glycolysis, which is localized in neurons and axonal processes. Potentially, it escapes into the blood and CSF at the time of neural injury. Elevated serum NSE seemed to correlates with disruption in BBB following MLA and transient increase in BBB permeability.
measure
Serum Biomarkers of Peritumoral Blood Brain Barrier (BBB) Disruption as Measured by Change in Neuron-specific Enolase (NSE)
time Frame
Up to 48 weeks post MRI-guided laser heat ablation (Arm A) or up to 2 years post MRI-guided laser heat ablation (Arm B)
description
* Arm A patients had blood drawn at the following time points: baseline, 3 days post-MLA, 2-4 weeks post-MLA, and every 12 weeks thereafter for 12 months post-MLA * Arm B patients had blood drawn at the following time points: baseline, 3 days post-MLA, week 1, week 2, week 3, week 4, week 5, week 6, and every 8 weeks for the first 2 years or until disease progression, whichever occurs first. * S100b is a low-molecular-weight Calcium-binding protein primarily found in astrocytic glial cells of the CNS. It is secreted by astrocytes for neuroprotective and -trophic cellular functions in the CNS. Elevated serum values can be associated with temporal changes in BBB integrity following MLA.
measure
Serum Biomarkers of Peritumoral Blood Brain Barrier (BBB) Disruption as Measured by Change in S100B
time Frame
Up to 48 weeks post MRI-guided laser heat ablation (Arm A) or up to 2 years post MRI-guided laser heat ablation (Arm B)
description
* Arm A patients had blood drawn at the following time points: baseline, 3 days post-MLA, 2-4 weeks post-MLA, and every 12 weeks thereafter for 12 months post-MLA * Arm B patients had blood drawn at the following time points: baseline, 3 days post-MLA, week 1, week 2, week 3, week 4, week 5, week 6, and every 8 weeks for the first 2 years or until disease progression, whichever occurs first. * The glial fibrillary acidic protein (GFAP) is a classic intermediate filament protein specific to astrocytes in the CNS. GFAP is characteristic of astrocyte- and neural stem cell-derived gliomas in CNS tumors and is used to identify malignancies of glial origin, such as astrocytomas and GBM. Serum GFAP values can be increased with temporal disruption of BBB post-MLA.
measure
Serum Biomarkers of Peritumoral Blood Brain Barrier (BBB) Disruption as Measured by Change in GFAP
time Frame
Up to 48 weeks post MRI-guided laser heat ablation (Arm A) or up to 2 years post MRI-guided laser heat ablation (Arm B)
description
The linear regression model will used to investigate the correlation between MR imaging and peritumoral BBB disruption. To account for correlation among the repeated measures from the same patient, the longitudinal data will be analyzed with the use of linear generalized estimating equation (GEE). Whether the average measurements differ at the multiple time points will be evaluated through GEE model. Least-square means at each time points will be presented and standard errors will be calculated within the use of the GEE sandwich method when accounting for within-patient correlation.
measure
Correlation of MR Imaging With Peritumoral BBB Disruption
time Frame
1 year from MLA
description
Biomarkers with higher correlation coefficient (r approaching 1) will be given higher priority. A minimum r=0.5 is required for inclusion for further analysis and will be used as a peritumoral permeability score. This score will then be correlated with the patient outcome data (as measured by 6 month PFS rate) to determine whether it has a predictive value.
measure
Predictive Value of the Peritumoral Permeability Score for Patient Outcome as Measured by PFS
time Frame
6 months

Full study description

brief Summary: By employing a combination of advanced MRI techniques and correlative serum biomarkers of blood brain barrier (BBB) disruption, the investigators plan to develop a powerful, first of its kind clinical algorithm in pediatrics whereby the investigators can measure and identify the window of maximal BBB disruption post MLA to 1) allow for an alternative to surgery in incompletely resected tumors, 2) allow for optimal chemotherapeutic dosing to achieve the greatest benefits and the least systemic side effects and 3) distinguish subsequent tumor progression from long-term MLA treatment effects. Preliminary data in adult imaging studies have shown that the BBB disruption lasts for several weeks following treatment before returning to a low baseline. This pilot therapeutic study will provide preliminary validation in pediatric patients.

Source references

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