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Clinical Trial Details — Status: Withdrawn

Administrative data

NCT number NCT00109798
Other study ID # BCM IRB#H-16155
Secondary ID CDR0000427313
Status Withdrawn
Phase N/A
First received May 3, 2005
Last updated September 15, 2017
Start date March 2005
Est. completion date July 2006

Study information

Verified date September 2017
Source The Methodist Hospital System
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

RATIONALE: Drugs used in chemotherapy, such as temozolomide and topotecan, work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. Giving more than one drug (combination chemotherapy) may kill more cancer cells.

PURPOSE: This phase II trial is studying how well giving temozolomide together with topotecan works in treating patients with primary CNS lymphoma.


Description:

OBJECTIVES:

Primary

- Determine the complete radiologic response rate in patients with primary CNS lymphoma treated with salvage chemotherapy comprising temozolomide and topotecan.

Secondary

- Determine the median and failure-free survival of patients treated with this regimen.

- Determine the toxicity of this regimen in these patients.

- Determine the overall response rate in patients treated with this regimen.

OUTLINE: This is an open-label study.

Patients receive oral temozolomide once daily on days 1-5 and topotecan IV over 30 minutes once daily on days 2-6. Treatment repeats every 28 days for 6-8 courses in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed every 3 months for 1 year, every 4 months for 1 year, and then every 6 months for 3 years.

PROJECTED ACCRUAL: A total of 6-25 patients will be accrued for this study.


Recruitment information / eligibility

Status Withdrawn
Enrollment 0
Est. completion date July 2006
Est. primary completion date July 2006
Accepts healthy volunteers No
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria

DISEASE CHARACTERISTICS:

- Histologically confirmed primary CNS lymphoma at initial diagnosis

- Measurable tumor by radiography

- Failed* OR is not a candidate for first-line high-dose systemic methotrexate-based chemotherapy with or without radiotherapy NOTE: *Failure is defined as relapse, progression, or failure to achieve a complete response

PATIENT CHARACTERISTICS:

Age

- 18 and over

Performance status

- Karnofsky 50-100%

Life expectancy

- Not specified

Hematopoietic

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

- Platelet count = 100,000/mm^3

- Hemoglobin = 9 g/dL

Hepatic

- SGOT and SGPT = 3 times upper limit of normal

- Bilirubin = 2.0 mg/dL

Renal

- Creatinine clearance > 40 mL/min

Other

- Not pregnant or nursing

- Negative pregnancy test

- Fertile patients must use effective contraception

- HIV negative

- No known allergy to temozolomide or topotecan

- No other malignancy within the past 5 years except adequately treated basal cell or squamous cell skin cancer or stage I or II cancer in complete remission

- No other major medical illness or psychiatric impairment that would preclude study participation

PRIOR CONCURRENT THERAPY:

Biologic therapy

- No concurrent prophylactic growth factors

Chemotherapy

- See Disease Characteristics

- At least 6 weeks since prior nitrosoureas

- At least 2 weeks since prior methotrexate

Endocrine therapy

- Not specified

Radiotherapy

- See Disease Characteristics

Surgery

- Not specified

Other

- Recovered from all prior therapy

- At least 4 weeks since prior non-nitrosourea cytotoxic drugs (except methotrexate)

- At least 4 weeks since prior systemic investigational agents

- At least 2 weeks since prior non-cytotoxic antitumor drugs

- No other concurrent antitumor therapy

EXCLUSION CRITERA

1. Patients who are pregnant or breastfeeding, or females of childbearing potential not using adequate contraception.

2. Known allergy to temozolomide or topotecan.

3. Severe vomiting or other inability to administer medications orally.

4. Major medical illnesses or psychiatric impairment that in the investigator's opinion will prevent administration or completion of the protocol therapy and/or will interfere with follow-up.

Study Design


Intervention

Drug:
temozolomide
Patient will take drug on day 1-5 of 28 day schedule
topotecan hydrochloride
Patient will have IV on days 2-6 on a 28-day schedule

Locations

Country Name City State
n/a

Sponsors (2)

Lead Sponsor Collaborator
The Methodist Hospital System Baylor College of Medicine

Outcome

Type Measure Description Time frame Safety issue
Primary Rate of complete radiologic response (CR) July 2006
Secondary Median overall survival July 2006
Secondary Failure-free survival July 2006
Secondary Toxicity July 2006
Secondary Overall response rate (CR and partial response) July 2006
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