Understanding Chronic Lymphocytic Leukemia

April 21, 2026 updated by: Jennifer R. Brown, MD, PhD, Dana-Farber Cancer Institute
The purpose of this study is to collect human Chronic Lymphocytic Leukemia tissue samples and medical information, in order to find out more about the causes and biology of chronic lymphocytic leukemia.

Study Overview

Status

Recruiting

Detailed Description

The purpose of this study is to collect human Chronic Lymphocytic Leukemia tissue samples and medical information, in order to find out more about the causes and biology of chronic lymphocytic leukemia, for the potential development of more effective therapies for this disease.

Study Type

Observational

Enrollment (Estimated)

2750

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

    • Massachusetts
      • Boston, Massachusetts, United States, 02115
        • Recruiting
        • Dana Farber Cancer Institute
        • Contact:
        • Principal Investigator:
          • Jennifer Brown, MD, PhD

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Patients with Monoclonal B-cell lymphocytosis or Chronic Lymphocytic Leukemia in any phase of their disease.

Description

Inclusion Criteria:

  • New and existing patients seen for treatment of monoclonal B-cell lymphocytosis
  • Any low grade lymphoproliferative disorder
  • Chronic Lymphocytic Leukemia in the Dana Farber Cancer Institute Hematologic Oncology Clinic or elsewhere

Exclusion Criteria:

-

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Sample Collection
  • Blood tests required for assessment
  • Specimens and data will also be collected from outside sites
  • Clinical data from patients with Chronic Lymphocytic Leukemia will be gathered into a database at Dana Farber Cancer Institute

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Incidence of novel genomic prognostic markers in Chronic Lymphocytic Leukemia
Time Frame: 20 years
Exploratory science to better understand Chronic Lymphocytic Leukemia
20 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Jennifer Brown, MD,PhD, Dana-Farber Cancer Institute

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

September 29, 1999

Primary Completion (Estimated)

September 29, 2030

Study Completion (Estimated)

September 29, 2032

Study Registration Dates

First Submitted

June 26, 2019

First Submitted That Met QC Criteria

July 19, 2019

First Posted (Actual)

July 22, 2019

Study Record Updates

Last Update Posted (Actual)

April 24, 2026

Last Update Submitted That Met QC Criteria

April 21, 2026

Last Verified

April 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

The Dana-Farber / Harvard Cancer Center encourages and supports the responsible and ethical sharing of data from clinical trials. De-identified participant data from the final research dataset used in the published manuscript may only be shared under the terms of a Data Use Agreement. Requests may be directed to: [contact information for Sponsor Investigator or designee]. The protocol and statistical analysis plan will be made available on Clinicaltrials.gov only as required by federal regulation or as a condition of awards and agreements supporting the research

IPD Sharing Time Frame

Data can be shared no earlier than 1 year following the date of publication

IPD Sharing Access Criteria

Boston Childrens Hospital - Contact the Technology & Innovation Development Office at www.childrensinnovations.org or email TIDO@childrens.harvard.edu BIDMC - Contact the Beth Israel Deaconess Medical Center Technology Ventures Office at tvo@bidmc.harvard.edu Brigham and Women's Hospital - Contact the Partners Innovations team at http://www.partners.org/innovation Dana Farber Cancer Institute - Contact the Belfer Office for Dana-Farber Innovations (BODFI) at innovation@dfci.harvard.edu Massachusetts General Hospital - Contact the Partners Innovations team at http://www.partners.org/innovation

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • SAP
  • ICF

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

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.

Clinical Trials on Chronic Lymphocytic Leukemia

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