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Study to Assess Change in Disease Activity and Adverse Events of Oral Venetoclax in Combination With Intravenous (IV) Obinutuzumab or Oral Ibrutinib in Adult Participants With Untreated Chronic Lymphocytic Leukemia (CLL)/Small Lymphocytic Lymphoma (SLL)

NCT05105841 · Status: COMPLETED · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 20

Last updated 2025-10-15

No results posted yet for this study

Summary

Chronic lymphocytic leukemia (CLL) is the most common leukemia in Western countries, representing approximately 30% of all adult leukemias. There is a large difference in proportion of malignant lymphoma between the United States (US) and Japan was seen in CLL/small lymphocytic lymphoma (SLL) (Japan, 3.2%; US, 24.1%). The purpose of this study is to assess how well venetoclax works in combination with obinutuzumab (V+G, Cohort 1) or with ibrutinib (V+I, Cohort 2) in Japanese participants with previously untreated CLL/Small Lymphocytic Lymphoma (SLL). Adverse events and change in disease activity will be assessed.

Venetoclax is an approved drug for the treatment of CLL and SLL. Study doctors put the participants in 1 of 2 groups, called treatment arms, based on variable alternating assignment. Approximately 20 adult participants with previously untreated CLL/SLL will be enrolled in the study in approximately 20 sites in Japan.

Participants in group 1 will receive oral venetoclax + intravenous (IV) obinutuzumab (V+G) in 28-day cycles for a total of 12 cycles, and participants in group 2 will receive oral venetoclax + oral ibrutinib (V+I) in 28-day cycles for a total of 15 cycles.

There may be higher treatment burden for participants in this trial compared to their standard of care. Participants will attend regular visits during the study at a hospital or clinic. The effect of the treatment will be checked by medical assessments, blood tests, and checking for side effects.

Conditions

  • Chronic Lymphocytic Leukemia (CLL)
  • Small Lymphocytic Lymphoma (SLL)

Interventions

DRUG

Venetoclax

Oral Tablet

DRUG

Ibrutinib

Oral Capsule

DRUG

Obinutuzumab

Intravenous (IV) Infusion

Sponsors & Collaborators

Principal Investigators

  • ABBVIE INC. · AbbVie

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
20 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2021-11-08
Primary Completion
2025-10-09
Completion
2025-10-09
FDA Drug
Yes

Countries

  • Japan

Study Locations

More Related Trials

Entities

Drugs
Companies

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 NCT05105841 on ClinicalTrials.gov