Direct Measurement of Leukemic Cell Turnover (Synthesis and Removal) in Patients With Chronic Lymphocytic Leukemia (CLL) Using Deuterated Water
2 other identifiers
observational
24
1 country
1
Brief Summary
Chronic lymphocytic leukemia. B-cell chronic lymphocytic leukemia (B-CLL) is the most prevalent leukemia in the Western Hemisphere, accounting for \~25% of all leukemia's. It represents a monoclonal expansion of small, long-lived, apparently slowly dividing CD5+ B cells. Because of the low proliferative index and a presumed uniform proliferative rate of B-CLL cells in vivo (a fact not yet tested or documented), B-CLL appears to be primarily a disease of accumulation rather than proliferation.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for all trials
Started Jun 2001
Longer than P75 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
June 1, 2001
CompletedFirst Submitted
Initial submission to the registry
December 10, 2009
CompletedFirst Posted
Study publicly available on registry
April 27, 2010
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 1, 2018
CompletedStudy Completion
Last participant's last visit for all outcomes
May 23, 2018
CompletedMarch 2, 2021
March 1, 2021
16.9 years
December 10, 2009
March 1, 2021
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
B Cell Chronic Lymphocytic Leukemia Subgroups: Direct measurement of leukemic cell turnover (synthesis and removal) using deuterated water as a DNA-labeling agent in patients with chronic lymphocytic leukemia
We believe that the results of these studies may identify in vivo correlates of the in vitro studies we have performed previously. Kinetic analyses may be another way to identify patients with different levels of risk from this disease and thereby provide an additional prognostic parameter. This information may also help to individualize future therapies for specific patients based on the in vivo biology in their particular B-CLL clone.
1 year
Study Arms (1)
Chronic Lymphocytic Leukemia
Chronic Lymphocytic Leukemia
Eligibility Criteria
Chronic Lymphocytic Leukemia
You may qualify if:
- Must be 18 years of age.
- Must meet the clinical and laboratory criteria for B-CLL (i.e., compatible clinical history and physical exam, presence of lymphocytosis, i.e., \>10,000 lymphocytes / mm3, evidence for a monoclonal population of CD5+/CD19+/CD23+ cells in the periphery that have dim surface membrane lg with L chain isotype restriction).
- All patients will be staged according to the system of Rai. Only new onset patients who are not receiving therapy will be entered into the heavy water leukemic cell turnover studies.
You may not qualify if:
- Patients hospitalized for an acute medical problem, related or not to their leukemia, within 4 weeks of enrollment.
- A history of a second malignancy involving the hematopoietic system, or the need for extensive chemotherapy for any second malignancy; patients with active immunologic disorders (e.g., HIV and AIDS), especially autoimmune problems (e.g., autoimmune hemolytic anemia of any cause other than B-CLL).
- Patients with impaired decision-making capabilities, e.g. dementia, psychosis, alcoholism, and illicit drug use will also be excluded.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Northwell Healthlead
Study Sites (1)
Feinstein Institute for Medical Research
Manhasset, New York, 11030, United States
Biospecimen
Blood Cells, Bone MArrow
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Nicholas Chiorazzi, MD
Feinstein Institute for Medical Research
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 10, 2009
First Posted
April 27, 2010
Study Start
June 1, 2001
Primary Completion
May 1, 2018
Study Completion
May 23, 2018
Last Updated
March 2, 2021
Record last verified: 2021-03