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Temozolomide For Patients With Cerebral Metastases Who Have Failed Radiation Therapy


Phase 2
18 Years
N/A
Not Enrolling
Both
Metastatic Cancer

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Trial Information

Temozolomide For Patients With Cerebral Metastases Who Have Failed Radiation Therapy


OBJECTIVES: I. Assess the response rate of patients with cerebral metastases who have failed
or refused standard therapy when treated with temozolomide. II. Assess the safety and
tolerability of this drug in these patients. III. Determine the quality of life of patients
treated with this drug. IV. Determine the response rate of systemic disease outside the
central nervous system in patients treated with this drug.

OUTLINE: Patients receive oral temozolomide daily for 6 weeks. Treatment repeats every 10
weeks for up to 1 year in the absence of disease progression or unacceptable toxicity.
Quality of life is assessed on day 1 of each 10-week course. Patients are followed for 30
days.

PROJECTED ACCRUAL: A total of 18-48 patients will be accrued for this study within 2 years.

Inclusion Criteria


Inclusion Criteria

- Age greater than or equal to 18 years.

- Karnofsky performance status (KPS) of greater than or equal to 60.

- Laboratory values (performed within 14 days prior to study drug administration,
inclusive).

- Absolute neutrophil count (ANC) >1500/mm3

- Platelet count >100,000/mm3

- Hemoglobin >10 g/dl or 100 g/l

- BUN and serum creatinine <1.5 times upper limit of laboratory normal

- Total and direct bilirubin <1.5 times upper limit of laboratory normal

- SGOT and SGPT < 3 times upper limit of laboratory normal

- Alkaline Phosphatase < 3 times upper limit of laboratory normal

- A life expectancy from disease outside the CNS of greater than 12 weeks.

- Subjects must give written informed consent.

- Subjects must have histologically confirmed advanced solid malignancy with brain
metastases, with or without systemic disease.

- Subjects must have failed or refused prior standard therapy for cerebral metastases
and have imaging evidence of progressive disease. Prior therapy may include surgery
and/or whole brain radiotherapy and/or stereotactic radiosurgery.

- At least 2 weeks must have elapsed since the completion of radiotherapy at any site
other than brain, prior to start of study medication. At least 4 weeks must have
elapsed since the completion of brain radiotherapy.

- At least 4 weeks must have elapsed since systemic therapy prior to start of study
medication, all clinically significant toxicities (other than hair loss) must have
resolved, and the patient must meet the eligibility criteria.

- Systemic disease may be absent, present and controlled or present and uncontrolled.
If uncontrolled, the systemic disease should be considered less life-threatening than
the cerebral disease. Patients may have received adjuvant chemotherapy and may have
received one or more chemotherapy regimens for metastatic disease.

- Patients with breast cancer who have progressive brain metastases, but stable
systemic disease whilst on hormonal therapy, may continue the same hormonal therapy,
as it can be assumed that the blood brain barrier is preventing response to this
agent in the central nervous system (CNS).

- Bidimensionally measurable disease must be documented in the brain on gadolinium
magnetic resonance imaging (GdMRI) scan of the brain within 14 days prior to
enrollment into the study. In the case of patients who received prior radiotherapy,
the MRI scan findings must be consistent with progressive disease following
treatment.

- Subjects who have had previous surgery or stereotactic radiotherapy must have lesions
clearly measurable and distinct from the surgical and/or radiation changes induced by
prior or local therapies.

- Subjects may be treated with steroids before initiation of protocol therapy and will
be eligible if they are neurologically stable or improving.

Exclusion Criteria

- No recovery from all active toxicities of prior therapies (other than hair loss).

- Surgery within 1 week (inclusive) prior to study drug administration, otherwise may
be eligible providing acute toxicity is resolved.

- Subjects who are poor medical risks because of non-malignant systemic disease as well
as those with acute infection treated with intravenous antibiotics.

- Frequent vomiting or medical condition that could interfere with oral medication
intake (e.g., partial bowel obstruction).

- Concurrent primary malignancies at other sites with the exception of surgically cured
carcinoma in situ of the cervix and basal or squamous cell carcinoma of the skin.
Prior malignancies which have not required anti-tumor treatment within the preceding
24 months are eligible.

- Known HIV positivity or AIDS-related illness.

- Pregnant or nursing women.

- Women of childbearing potential who are not using an effective method of
contraception. Women of childbearing potential must have a negative serum pregnancy
test 24 hours prior to administration of study drug and be practicing medically
approved contraceptive precautions.

- Men who do not agree to use an effective method of contraception.

- Chemotherapy (excluding nitrosurea, mitomycin C or vincristine), within four weeks,
inclusive, prior to study drug administration; biologic therapy or immunotherapy
within two weeks, inclusive, prior to study drug administration.

- Nitrosurea or mitomycin C administration within six weeks, inclusive, prior to study
drug administration.

- Completion of radiation therapy to sites outside the brain or interstitial
brachytherapy within 2 weeks prior to study drug administration.

- Known carcinomatous meningitis.

- Lymphoma.

- Planned radiation therapy to systemic site.

Type of Study:

Interventional

Study Design:

Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Outcome Measure:

To assess the rate of response/control of cerebral metastases from solid tumors to extended low dose, continuous oral temozolomide

Outcome Time Frame:

2 years

Safety Issue:

No

Principal Investigator

Judith M. Ford, MD, PhD

Investigator Role:

Principal Investigator

Investigator Affiliation:

Jonsson Comprehensive Cancer Center

Authority:

United States: Federal Government

Study ID:

CDR0000068485

NCT ID:

NCT00012116

Start Date:

October 2000

Completion Date:

April 2002

Related Keywords:

  • Metastatic Cancer
  • tumors metastatic to brain
  • Neoplasm Metastasis
  • Neoplasms
  • Neoplasms, Second Primary

Name

Location

Jonsson Comprehensive Cancer Center, UCLALos Angeles, California  90095-1781