- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00636155
EL625 in Persistent Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma
A Phase II Study of EL625 in Patients in Persistent Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma
Study Overview
Status
Intervention / Treatment
Detailed Description
Chronic lymphocytic leukemia (CLL) and small B-cell lymphocytic lymphoma (SLL) are thought to be different manifestations of the same disease. Treatment options for CLL/SLL range from a watch and wait approach to bone marrow transplant. Currently there is no consensus on the best treatment regimen and new approaches to treatment are needed.
EL625 is a 20-mer antisense molecule which binds to a coding region of exon 10 in p53 RNA transcripts. It can bind to both mutant and wild type p53. p53 is involved in regulating apoptosis and DNA repair in cells. When genetic damage occurs p53 is upregulated. As the expression of p53 increases in normal cells they are more likely to undergo apoptosis rather than cell cycle arrest and DNA repair. However in malignant cells, for a given level of DNA damage they are more likely to undergo cell cycle arrest and repair rather than apoptosis. Because EL625 is theorized to increase response to chemotherapy, we propose adding EL625 to a combination of fludarabine, cyclophosphamide and rituximab.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
North Carolina
-
Durham, North Carolina, United States, 27710
- Duke University Medical Center
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients with a diagnosis of CLL/SLL who have received at least one prior treatment regimen and have persistent disease (i.e. any evidence of active disease). Patients with a chromosome 17 abnormality or a p53 mutation of any type may be enrolled without having received prior treatment.
- Patients must be 18 years of age or older.
- Patient has an estimated or measured creatinine clearance ≥30 ml/min at study enrollment.
- AST, ALT, total bilirubin < than 2.5 times the upper limit of normal.
- WBC > 1.5; ANC >500; Plt >50,000 unless documented as due to disease
- ECOG performance status of 0-2.
- Voluntary written informed consent before performance of any study-related procedure not part of normal medical care.
- Female subject is either post-menopausal or surgically sterilized or willing to use an acceptable method of birth control (i.e., a hormonal contraceptive, intra-uterine device, diaphragm with spermicide, condom with spermicide, or abstinence) for 2 weeks after administration of the study drug.
- Male subject agrees to use an acceptable method for contraception for the duration of the study therapy and for 2 weeks after administration of study drug.
Exclusion Criteria:
- Female who is pregnant or lactating.
- Serious medical or psychiatric illness likely to interfere with participation in this clinical study.
- Patients with another malignancy within the last three years (from documentation of remission) other than basal or squamous cell skin cancer, resected early stage prostate cancer not requiring systemic treatment or CIS of the cervix or fully treated early stage prostate cancer.
- Significant cardiac or vascular events within 6 months: acute MI, unstable angina, severe peripheral vascular disease (ischemic pain at rest class 3 or worse, non-healing ulcers/wounds, congestive heart failure (NYHA class ≥ 2), uncontrolled cardiac arrhythmias, and disseminated intravascular coagulation.
- Patients who are unable to refrain from taking acetaminophen
- Investigational agent within 14 days of enrolling on the study.
- Patients unable or unwilling to refrain from antioxidants including vitamin A, vitamin C, vitamin E, lycopene, lutein, grape seed extract, pycnogenol, green tea extract, and the like.
- Patients who have received a prior allogenic stem cell transplant and have at least 2.5% donor cells still evident on engraftment studies.
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: all patients
EL625 combined with traditional chemotherapy (rituximab, fludarabine, and cyclophosphamide)
|
2.4 mg/kg/day as a continuous infusion over 24 hours starting on day one and ending on day 4
Other Names:
375 mg/m2 on day 2
Other Names:
250 mg/m2 on days 2, 3, and 4
Other Names:
25 mg/m2 on days 2, 3, and 4
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Patients With an Overall Response (Complete Response + Partial Response)
Time Frame: every 3 cycles
|
Overall Response is the total number of participants with a Complete (CR) or Partial (PR) response.
CR requires the absence of lymphadenopathy, hepatomegaly or splenomegaly and constitutional symptoms and a normal CBC; bone marrow must be at least normocellular for age, with less than 30% nucleated cells being lymphocytes with no lymphoid nodules.
Partial Response: requires ≥ 50% decrease in one of the following: peripheral blood lymphocyte count, lymphadenopathy, enlargement of liver and/or spleen, or bone marrow involvement by CLL AND at least one hematologic parameter met for 2 months.
|
every 3 cycles
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Overall Survival
Time Frame: 5 years
|
5 years
|
|
Progression Free Survival
Time Frame: 5 years
|
Progression is defined as at least one of the following: 1) ≥ 50% increase in the sum of the products of at least two lymph nodes one two consecutive determinations (at least one node must be ≥ 2 cm); appearance of new palpable lymph nodes, 2) ≥ 50% increase in the size of the liver and/or spleen; appearance of palpable hepatomegaly or splenomegaly, which was not previously present, 3) ≥ 50% increase in the absolute number of circulating lymphocytes to at least 5,000/µl or 4)Transformation to a more aggressive histology.
|
5 years
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: David Rizzieri, MD, Duke University
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
Additional Relevant MeSH Terms
- Immune System Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Lymphoproliferative Disorders
- Lymphatic Diseases
- Immunoproliferative Disorders
- Leukemia, B-Cell
- Lymphoma
- Leukemia
- Leukemia, Lymphocytic, Chronic, B-Cell
- Leukemia, Lymphoid
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Antirheumatic Agents
- Antineoplastic Agents
- Immunosuppressive Agents
- Immunologic Factors
- Antineoplastic Agents, Alkylating
- Alkylating Agents
- Myeloablative Agonists
- Antineoplastic Agents, Immunological
- Cyclophosphamide
- Rituximab
- Fludarabine
Other Study ID Numbers
- Pro00001363
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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