- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00302159
Valproic Acid With Temozolomide and Radiation Therapy to Treat Brain Tumors
A Phase II Clinical Trial of the Histone Deacetylase Inhibitor Valproic Acid in Combination With Temodar and Radiation Therapy in Patients With High Grade Gliomas: Multi-Institutional Trial
Background:
- Radiation therapy with temozolomide (an anti-cancer drug) is standard therapy for treating brain tumors called glioblastomas.
- The drug valproic acid, currently approved for treating seizures, has been shown in laboratory tests to increase the radiosensitivity of glioma cells.
Objectives:
-To determine the effectiveness of adding valproic acid to standard treatment with radiation therapy and temozolomide for treating glioblastoma.
Eligibility:
-Patients 18 years of age and older with glioblastoma multiforme who have not been previously treated with chemotherapy of radiation.
Design:
- This Phase II trial will enroll 41 patients.
- Patients will receive radiation therapy to the brain once a day, Monday through Friday, for 6 1/2 weeks.
- Patients will take temozolomide once a day by mouth, Monday through Friday, during the period of radiation treatment. Starting 4 weeks after radiation therapy, patients will take temozolomide once a day for 5 days every 28 days for a total of six cycles.
- Patients will receive valproic acid by mouth twice a day beginning 1 week prior to the first day of radiation therapy and continuing until the completion of chemotherapy and radiation therapy.
- Patients will have follow-up visits 1 month after completing therapy, then every 3 months for 2 years, and then every 6 months for 3 years. Follow-up includes a physical examination, blood tests and magnetic resonance imaging of the brain.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
BACKGROUND:
- Histone deacetylase inhibitors (HDACi) have recently been shown to enhance the radiosensitivity of glioma cells both in vitro and in vivo.
- Valproic acid has also recently been demonstrated to be a potent HDAC.
- Valproic acid has a long clinical history in patients with and without brain tumors and is known to cross the blood-brain barrier. However, the use of valproic acid in combination with temozolomide and radiotherapy for patients with high-grade gliomas has never been tested.
OBJECTIVES:
-The primary measure of efficacy will be progression free survival and overall survival.
ELIGIBILITY:
- Patients greater than 18 years old
- Diagnosis glioblastoma multiforme
- Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1, or 2.
- Patients who have not been previously treated with chemotherapy or radiation
DESIGN:
- This is a Phase II trial to determine the efficacy of valproic acid in combination with external beam radiation therapy and temozolomide in patients with high-grade gliomas.
- Patients will be treated with external beam radiation therapy in a standard manner with temozolomide given daily during the radiation. The valproic acid will be administered daily beginning one week prior to the first day of irradiation and continuing until the completion of chemoradiation.
- We anticipate that accrual to this trial of 41 patients will take approximately 1 year.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
Maryland
-
Bethesda, Maryland, United States, 20892
- National Institutes of Health Clinical Center, 9000 Rockville Pike
-
-
Pennsylvania
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Philadelphia, Pennsylvania, United States, 19104-6056
- University of Pennsylvania
-
-
Virginia
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Richmond, Virginia, United States, 23284
- Virginia Commonwealth University
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
- INCLUSION CRITERIA:
Histological diagnosis:
Pathologically confirmed glioblastoma multiforme.
Histologic diagnosis of glioblastoma multiforme (GBM) will have been established by biopsy or resection no more than 6 weeks prior to enrollment.
The patient is a candidate for definitive external beam radiotherapy.
Patients must be older than 18 years with a life expectancy greater than 8 weeks.
Patients should have an Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1, or 2.
Patients must have a primary medical oncologist in the community who is willing to collaborate with the Radiation Oncology Branch (ROB) staff in the clinical management of the patient, specifically in the prescription of Temozolomide and toxicity monitoring in the adjuvant phase.
Laboratory functions:
Adequate bone marrow function defined as a peripheral absolute granulocyte count of greater than 1500/mm^3, hemoglobin greater than 10gm/dL, and platelet count greater than 100,000/mm^3.
Adequate liver function, defined as bilirubin and serum glutamic oxaloacetic transaminase (SGOT)/serum glutamic pyruvic transaminase (SGPT) less than 2 x the upper limit of normal.
Serum creatinine less than 1.5 mg/dl.
Serum albumin greater than 0.75 x normal.
All patients or their legal guardian must sign a document of informed consent indicating their understanding of the investigational nature and the risks of this study BEFORE any of the protocol related studies are performed (this does not include routine laboratory tests or imaging studies required to establish eligibility).
Subjects of childbearing or child-fathering potential must be willing to use a medically acceptable form of birth control, which includes abstinence, while they are being treated on this study.
EXCLUSION CRITERIA
Prior therapy:
Patients who have previously received valproic acid.
Patients who have previously received radiation therapy to the brain.
Patients who have received chemotherapy for the treatment of their high grade glioma or who are currently receiving other investigational chemotherapeutic agents.
Patients with a known history of disorders of urea metabolism.
Concurrent therapy:
The concurrent use of sulfamethoxazole, salicylates or naproxen is not allowed.
Patients with a history of or concurrent second malignancy other than non-melanoma skin cancer or cervical cancer less than 3 years since GBM diagnosis.
Pregnant or breast-feeding females are excluded because of the potential mutagenic effects on a developing fetus or newborn.
Clinically significant unrelated systemic illness which in the judgement of the Principal or Associate Investigator would compromise the patient's ability to tolerate this therapy or are likely to interfere with the study procedures or results, including but not limited to Insulin dependent diabetes.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Valproic Acid
Orally 25mg/kg/day twice a day concurrently with radiation therapy and temozolomide.
|
Orally 75mg/m^2 first day of radiation until completion.
Restart 4 weeks post radiation.
Other Names:
Orally 25mg/kg/day twice a day concurrently with radiation therapy and temozolomide.
Other Names:
External beam radiation Monday-Friday in 2 Gy fractions to 60 Gy total.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Median Progression Free Survival.
Time Frame: up to 51 months
|
Progression free survival is the interval from initiation of treatment on protocol to symptomatic or radiographic progression.
Progressive disease is a >25% increase in contrast enhancing tumor volume documented at the initiation of treatment on protocol.
|
up to 51 months
|
Percentage of Participants With Progression Free Survival at 6, 12, and 24 Months
Time Frame: 6, 12, and 24 months
|
Percentage of participants who were progression free by 6, 12, or 24 months.
Progressive disease is a >25% increase in contrast enhancing tumor volume documented at the initiation of treatment on protocol.
|
6, 12, and 24 months
|
Number of Participants With Best Response
Time Frame: up to 63.8 months
|
Best response recorded from the start of treatment until disease progression/recurrence.
Complete response is complete resolution of all contrast enhancing tumor documented at initiation of treatment on protocol, with no appearance of new lesions.
Partial response is a >50% reduction in the contrast enhancing tumor volume documented at the initiation of treatment on protocol.
Minor response is a >25%, but <50% reduction in the contrast enhancing tumor volume documented at the initiation of treatment on protocol.
Stable disease is a change in tumor size less than MR but not demonstrating progressive disease.
Progressive disease is a >25% increase in contrast enhancing tumor volume documented at the initiation of treatment on protocol.
Not evaluable means the participant cannot be evaluated (e.g., quality of scan).
|
up to 63.8 months
|
Median Overall Survival
Time Frame: up to 63.8 months
|
Survival is the interval from the initiation of treatment on protocol to date of death.
|
up to 63.8 months
|
Percentage of Participants With Overall Survival at 6, 12, and 24 Months
Time Frame: 6, 12, and 24 months
|
Percentage of participants who were alive at 6, 12, and 24 months.
|
6, 12, and 24 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants With Adverse Events
Time Frame: 6 years, 7 months and 27 days
|
Here is the number of participants with adverse events.
For a detailed list of adverse events, see the adverse event module.
|
6 years, 7 months and 27 days
|
Collaborators and Investigators
Sponsor
Publications and helpful links
General Publications
- Davis FG, McCarthy BJ, Freels S, Kupelian V, Bondy ML. The conditional probability of survival of patients with primary malignant brain tumors: surveillance, epidemiology, and end results (SEER) data. Cancer. 1999 Jan 15;85(2):485-91.
- Loeffler JS, Alexander E 3rd, Shea WM, Wen PY, Fine HA, Kooy HM, Black PM. Radiosurgery as part of the initial management of patients with malignant gliomas. J Clin Oncol. 1992 Sep;10(9):1379-85. doi: 10.1200/JCO.1992.10.9.1379.
Helpful Links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Neoplasms by Site
- Neoplasms, Glandular and Epithelial
- Neoplasms, Neuroepithelial
- Neuroectodermal Tumors
- Neoplasms, Germ Cell and Embryonal
- Neoplasms, Nerve Tissue
- Central Nervous System Neoplasms
- Nervous System Neoplasms
- Glioma
- Brain Neoplasms
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Central Nervous System Depressants
- Enzyme Inhibitors
- Antineoplastic Agents
- Antineoplastic Agents, Alkylating
- Alkylating Agents
- Tranquilizing Agents
- Psychotropic Drugs
- GABA Agents
- Anticonvulsants
- Antimanic Agents
- Temozolomide
- Valproic Acid
Other Study ID Numbers
- 060112
- 06-C-0112
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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