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Atezolizumab, Obinutuzumab, and Venetoclax in Treating Patients With Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, or Relapsed or Refractory Richter Syndrome

NCT02846623 · Status: ACTIVE_NOT_RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 50

Last updated 2026-02-17

No results posted yet for this study

Summary

This phase II trial studies how well atezolizumab, obinutuzumab, and venetoclax work in treating patients with chronic lymphocytic leukemia or small lymphocytic lymphoma or Richter syndrome that has come back (recurrent) or does not respond to treatment (refractory). Immunotherapy with monoclonal antibodies, such as atezolizumab and obinutuzumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Drugs used in chemotherapy, such as venetoclax, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving atezolizumab, obinutuzumab, and venetoclax may work better in treating patients with chronic lymphocytic leukemia, small lymphocytic lymphoma, or Richter syndrome.

Conditions

Interventions

DRUG

Atezolizumab

Given IV

OTHER

Laboratory Biomarker Analysis

Correlative studies

BIOLOGICAL

Obinutuzumab

Given IV

DRUG

Venetoclax

Given PO

Sponsors & Collaborators

  • National Cancer Institute (NCI)

    collaborator NIH

  • M.D. Anderson Cancer Center

    lead OTHER

Principal Investigators

  • Nitin Jain · M.D. Anderson Cancer Center

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2017-01-31
Primary Completion
2027-02-28
Completion
2027-02-28
FDA Drug
Yes

Countries

  • United States

Study Locations

More Related Trials

Entities

Drugs
Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02846623 on ClinicalTrials.gov