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Study of High-Dose Rituximab With Temozolomide as Treatment for Primary Central Nervous System (CNS) Lymphoma

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ClinicalTrials.gov Identifier: NCT02113007
Recruitment Status : Terminated (Closed early due to slow accrual.)
First Posted : April 14, 2014
Results First Posted : February 7, 2017
Last Update Posted : February 7, 2017
Sponsor:
Collaborator:
Genentech, Inc.
Information provided by (Responsible Party):
SCRI Development Innovations, LLC

Brief Summary:
This study will evaluate the safety and efficacy of high-dose rituximab combined with temozolomide in the treatment of patients with Primary Central Nervous System Lymphomas (PCNSL). This novel combination will be evaluated in PCNSL patients who are 60 years of age or older, or in patients 18 years or older who refuse methotrexate-based treatment.

Condition or disease Intervention/treatment Phase
Primary Central Nervous System Lymphoma Drug: Rituximab plus Temozolomide Phase 2

Detailed Description:
This is a Phase II, multi-centered, single-arm study. A brief patient lead-in portion will be included to assess safety and feasibility. The first six patients enrolled will be monitored weekly for safety during two treatment cycles (4 weeks) for adverse events to assure there are no unexpected or prohibitive toxicities. If safety signals emerge from this group of patients, the protocol may be discontinued or modified.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 2 participants
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Phase II Study of High-Dose Rituximab Combined With Temozolomide as Treatment for Patients With Primary CNS Lymphoma
Study Start Date : July 2014
Actual Primary Completion Date : February 2016
Actual Study Completion Date : February 2016


Arm Intervention/treatment
Experimental: Rituximab plus Temozolomide
Rituximab: 375 mg/m2 IV, days 1, 3, and 5 Temozolomide: 150 mg/m2 PO, days 1-5
Drug: Rituximab plus Temozolomide
Treatment cycles will be repeated every 14 days (2 weeks) for the lead-in portion. If no prohibitive toxicities are observed in the first 6 patients during the first 2 treatment cycles, the study will continue enrolling patients. Treatment cycles for the Phase II portion will be repeated every 14 days (2 weeks) for a total of 12 cycles.
Other Names:
  • Rituximab: Rituxin, MabThera
  • Temozolomide: Temodar




Primary Outcome Measures :
  1. Overall Response Rate [ Time Frame: approximately 32 weeks ]
    Patients will be assessed for response by MRI of brain and/or spine after 4 cycles (8 weeks) of treatment according to Response Criteria for Primary CNS Lymphoma. Patients with stable disease or better (CR or PR) will continue treatment for 12 cycles (24 weeks). Complete Response (CR)=no contrast enhancement, normal eye exam. Partial Response (PR)=50 percent decrease in tumor enhancement, minor retinal pigment epithelium abnormality in eye exam. Stable disease (SD)= a change in lesion size that is neither sufficient shrinkage to qualify for a PR nor sufficient increase to qualify for progressive disease.


Secondary Outcome Measures :
  1. Progression Free Survival (PFS) [ Time Frame: 6 and 12 months ]
    Six and twelve-month CNS progression-free survival rate.

  2. Number of Participants With Serious and Non-serious Adverse Events as a Measure of Safety. [ Time Frame: up to 4 weeks ]
    Patients in the safety lead-in part of the study were monitored for up to 2 treatment cycles (4 weeks) to assure there were no unexpected or prohibitive toxicities. A non-serious adverse event is any untoward medical occurrence. A serious adverse event (SAE) is an event that meets one or more of the following: results in death; is life-threatening; requires inpatient hospitalization or prolongation of existing hospitalization; results in persistent or significant disability/incapacity; is a congenital anomaly/birth defect; requires intervention to prevent permanent impairment or damage. Specific AE and SAE terms are provided in the Adverse event module.



Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  1. Histologically confirmed CD20 positive primary B-cell CNS lymphoma (PCNSL) confirmed by one of the following:

    • Brain biopsy or resection;
    • Cerebrospinal fluid (CSF) cytology for lymphoma or monoclonal lymphocyte population as defined by cell surface markers.
  2. No evidence of systemic non-Hodgkin's lymphoma.
  3. Male or female, and:

    • 60 years of age or older, or
    • 18 years of age or older and decline methotrexate-based treatment.
  4. Measurable contrast-enhancing disease by MRI of brain and or spine (with gadolinium contrast).
  5. ECOG PS equals 2 or less.
  6. No more than 2 prior chemotherapy regimens.
  7. Adequate hematologic, renal, and hepatic function.
  8. Ability to swallow oral medications.
  9. Female patients who are not of childbearing potential, and female patients of childbearing potential who agree to use adequate contraceptive measures, who are not breastfeeding, and who have a negative serum pregnancy test within 72 hours prior to start of treatment.
  10. Male patients willing to use adequate contraceptive measures.
  11. Life expectancy 8 weeks or greater.
  12. HIV negative.
  13. Archival tumor block (or 20 unstained slides) for biomarker testing. Patients without archived tumor block material will be allowed to participate in the study.
  14. Willingness and ability to comply with study and followup procedures.
  15. Ability to understand the nature of this study and give written informed consent.
  16. Bone marrow biopsy must be negative for lymphoma.

Exclusion Criteria:

  1. Previous treatment with rituximab or other monoclonal antibodies, or temozolomide.
  2. Prior bone marrow or organ transplantation.
  3. Chemotherapy or investigational drug therapy for cancer up to 21 days prior to day-1 of study.
  4. T-cell primary CNS lymphoma.
  5. Known hypersensitivity to dacarbazine (DTIC).
  6. Active, clinically serious infection greater than CTCAE grade 2. Patients may be eligible upon resolution of the infection.
  7. Positive test results for chronic hepatitis BsAg infection.
  8. Chronic treatment with steroids or other immunosuppressive agents for medical conditions other than cancer. Patients who require steroids for treatment of tumor-associated cerebral edema are eligible.
  9. History of other malignancy up to 5 years prior to study entry which could affect compliance with the protocol or interpretation of results. History of curatively treated basal or squamous cell carcinoma of the skin or in situ carcinoma of the cervix, low grade, early stage, localized prostate cancer treated surgically with curative intent, ductal carcinoma in situ (DCIS) of the breast treated with lumpectomy alone with curative intent, are generally eligible.
  10. History of unstable or newly diagnosed angina pectoris, recent myocardial infarction (within 6 months of enrollment), New York Heart Association Classification III or IV.
  11. Vaccination with a live-virus vaccine up to 4 weeks prior to onset of study treatment.
  12. Impairment of gastrointestinal (GI) function or GI disease that, in the opinion of the investigator, may significantly alter the absorption of study drug (e.g., Crohn's disease, ulcerative disease, uncontrolled vomiting, diarrhea, or malabsorption syndrome).
  13. Significant, concurrent, uncontrolled medical condition which, in the opinion of the investigator, may interfere with patient participation in the study.
  14. Pregnant or lactating female.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02113007


Locations
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United States, Connecticut
Yale School of Medicine
New Haven, Connecticut, United States, 06520
United States, Florida
Memorial Cancer Institute
Hollywood, Florida, United States, 33021
Florida Hospital Cancer Institute
Orlando, Florida, United States, 32804
United States, Tennessee
Tennessee Oncology PLLC
Nashville, Tennessee, United States, 37203
Sponsors and Collaborators
SCRI Development Innovations, LLC
Genentech, Inc.
Investigators
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Study Chair: Kent Shih, M.D. SCRI Development Innovations, LLC

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Responsible Party: SCRI Development Innovations, LLC
ClinicalTrials.gov Identifier: NCT02113007     History of Changes
Other Study ID Numbers: SCRI CNS 20
First Posted: April 14, 2014    Key Record Dates
Results First Posted: February 7, 2017
Last Update Posted: February 7, 2017
Last Verified: December 2016
Keywords provided by SCRI Development Innovations, LLC:
Lymphoma; CNS; rituximab; temozolomide
Additional relevant MeSH terms:
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Lymphoma
Neoplasms by Histologic Type
Neoplasms
Lymphoproliferative Disorders
Lymphatic Diseases
Immunoproliferative Disorders
Immune System Diseases
Rituximab
Temozolomide
Antineoplastic Agents, Immunological
Antineoplastic Agents
Immunologic Factors
Physiological Effects of Drugs
Antirheumatic Agents
Antineoplastic Agents, Alkylating
Alkylating Agents
Molecular Mechanisms of Pharmacological Action