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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00463008
Other study ID # CDR0000346432
Secondary ID NABTT-0302JHOC-N
Status Completed
Phase N/A
First received April 18, 2007
Last updated June 21, 2013
Start date May 2004
Est. completion date April 2007

Study information

Verified date January 2008
Source National Cancer Institute (NCI)
Contact n/a
Is FDA regulated No
Health authority United States: Federal Government
Study type Interventional

Clinical Trial Summary

RATIONALE: Collecting fluid from a brain tumor using a small catheter may help doctors learn how much methotrexate gets into the tumor to kill the tumor cells. It may also help doctors learn how methotrexate works in the brain and in the rest of the body.

PURPOSE: This clinical trial is studying how much methotrexate gets into the brain tumor by collecting fluid directly from the tumor through a small catheter in patients undergoing stereotactic biopsy for recurrent high-grade glioma.


Description:

OBJECTIVES:

- Determine the feasibility of using microdialysis to study distribution of systemically administered methotrexate in the interstitial fluid within a tumor in patients undergoing stereotactic biopsy for recurrent high-grade gliomas.

- Determine the systemic and intratumoral pharmacokinetics of this drug in these patients.

OUTLINE: This is a multicenter study.

Patients have an intratumoral microdialysis catheter placed while undergoing stereotactic biopsy. Between 18-32 hours after placement of catheter, patients receive methotrexate IV over 4 hours. Microdialysis perfusate and blood specimens are collected before, during, and for 24 hours after methotrexate administration.

Patients are followed at 2 weeks.

PROJECTED ACCRUAL: A total of 12 patients will be accrued for this study within 6 months.


Recruitment information / eligibility

Status Completed
Enrollment 12
Est. completion date April 2007
Est. primary completion date
Accepts healthy volunteers No
Gender Both
Age group 18 Years and older
Eligibility DISEASE CHARACTERISTICS:

- Histologically confirmed supratentorial grade III or IV astrocytoma of 1 of the following subtypes:

- Anaplastic astrocytoma

- Anaplastic oligodendroglioma

- Glioblastoma multiforme

- Measurable, contrast-enhancing, residual disease by MRI or CT scan

- Undergoing stereotactic biopsy for confirmation of tumor progression or differentiation of tumor progression from treatment-induced effects

- Patients with prior low-grade glioma that progressed after prior radiotherapy with or without chemotherapy and in need of stereotactic biopsy to confirm high-grade glioma are eligible

- Must have received prior radiotherapy with or without chemotherapy

- Planning to continue methotrexate therapy after participation on this study

- No ascites or pleural effusions

PATIENT CHARACTERISTICS:

- Karnofsky performance status 60-100%

- Absolute neutrophil count = 1,500/mm^3

- Platelet count = 100,000/mm^3

- Bilirubin = 2.0 mg/dL

- SGOT = 4 times upper limit of normal

- Creatinine = 2 mg/dL

- Creatinine clearance = 50 mL/min

- Not pregnant or nursing

- Negative pregnancy test

- Fertile patients must use effective contraception

- No other malignancy within the past 5 years except curatively treated basal cell or squamous cell skin cancer or carcinoma in situ

- Able to achieve hydration necessary for the use of methotrexate

- Mini mental state exam score at least 15

- No allergy to methotrexate

- No other concurrent infection or medical illness that would preclude study participation

PRIOR CONCURRENT THERAPY:

- See Disease Characteristics

- Recovered from prior therapy

- At least 3 months since prior radiotherapy

- At least 3 weeks since prior chemotherapy (6 weeks for nitrosoureas)

- At least 1 week since prior salicylates, nonsteroidal anti-inflammatory drugs, or sulfonamides

- No concurrent prophylactic filgrastim (G-CSF) or sargramostim (GM-CSF)

- No concurrent chemotherapeutic agents

- No other concurrent investigational agents

Study Design

Allocation: Non-Randomized, Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Drug:
methotrexate

Other:
pharmacological study


Locations

Country Name City State
n/a

Sponsors (2)

Lead Sponsor Collaborator
New Approaches to Brain Tumor Therapy Consortium National Cancer Institute (NCI)

Outcome

Type Measure Description Time frame Safety issue
Primary Comparison of methotrexate levels in the brain extracelluar fluid vs in the serum No
Primary Safety and efficacy of the microdialysis catheter Yes
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