A Study to Evaluate the Risk of Tumor Lysis Syndrome (TLS) in Adult Participants Receiving Oral Venetoclax in Combination With Intravenously Infused Obinutuzumab or Oral Acalabrutinib for Previously Untreated Chronic Lymphocytic Leukemia (CLL)

NCT ID: NCT06428019

Last Updated: 2025-11-05

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE3

Total Enrollment

170 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-08-05

Study Completion Date

2028-03-31

Brief Summary

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Chronic lymphocytic leukemia (CLL) is the most common leukemia (cancer of blood cells). The purpose of this study is to assess the safety of venetoclax in combination with obinutuzumab or acalabrutinib in the treatment of CLL. Adverse events and change in disease activity will be assessed.

Venetoclax in combination with obinutuzumab or acalabrutinib is being investigated in the treatment of CLL. Study doctors put the participants in 1 of 4 groups, called treatment arms. Participants will receive oral venetoclax in combination with intravenously (IV) infused obinutuzumab or oral acalabrutinib at in different dosing schemes as part of treatment. Approximately 170 adult participants with CLL who are being treated with venetoclax will be enrolled in the study in approximately 80 sites worldwide.

Participants in Arm A will receive oral venetoclax in combination with IV infused obinutuzumab, with a 5 week venetoclax ramp up. Participants in Arm B will receive oral venetoclax in combination with oral acalabrutinib, with a 5 week venetoclax ramp up. Participants in Arm C and Arm D will receive oral venetoclax in combination with oral acalabrutinib, with differing venetoclax ramp up periods. The total study duration is approximately 28 months.

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, checking for side effects and completing questionnaires.

Detailed Description

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Conditions

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Chronic Lymphocytic Leukemia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Arm A: Venetoclax + Obinutuzumab

Participants will receive venetoclax in combination with obinutuzumab, with a 5 week venetoclax ramp up.

Group Type EXPERIMENTAL

Venetoclax

Intervention Type DRUG

Oral: Tablet

Obinutuzumab

Intervention Type DRUG

Intravenous Infusion

Arm B: Venetoclax + Acalabrutinib

Participants will receive venetoclax in combination with acalabrutinib, with a 5 week venetoclax ramp up.

Group Type EXPERIMENTAL

Venetoclax

Intervention Type DRUG

Oral: Tablet

Acalabrutinib

Intervention Type DRUG

Oral: Tablet

Arm C: Venetoclax + Acalabrutinib

Participants will receive venetoclax in combination with acalabrutinib, with a modified venetoclax ramp up A.

Group Type EXPERIMENTAL

Venetoclax

Intervention Type DRUG

Oral: Tablet

Acalabrutinib

Intervention Type DRUG

Oral: Tablet

Arm D: Venetoclax + Acalabrutinib

Participants will receive venetoclax in combination with acalabrutinib, with a modified venetoclax ramp up B.

Group Type EXPERIMENTAL

Venetoclax

Intervention Type DRUG

Oral: Tablet

Acalabrutinib

Intervention Type DRUG

Oral: Tablet

Interventions

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Venetoclax

Oral: Tablet

Intervention Type DRUG

Acalabrutinib

Oral: Tablet

Intervention Type DRUG

Obinutuzumab

Intravenous Infusion

Intervention Type DRUG

Other Intervention Names

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ABT-199

Eligibility Criteria

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Inclusion Criteria

* Diagnosis of documented, previously untreated, chronic lymphocytic leukemia (CLL) requiring treatment according to the 2018 international workshop on chronic lymphocytic leukemia (iwCLL) criteria and have a life expectancy of \> 6 months.
* Previously untreated small lymphocytic lymphoma (SLL) meeting the 2018 iwCLL criteria for treatment will also be equally considered as CLL for eligibility, screening, treatment and evaluation.
* Eastern Cooperative Oncology Group (ECOG) performance status \<= 2.
* Adequate marrow function independent of growth factor or transfusion support within 2 weeks of screening, unless cytopenia is due to marrow involvement of CLL as listed in the protocol.
* Creatinine clearance (CrCl) \>= 30 mL/min using the Cockcroft-Gault formula are eligible for inclusion.

Exclusion Criteria

\- Active/uncontrolled infection, no Richter's transformation, no active immune thrombocytopenia.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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AbbVie

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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ABBVIE INC.

Role: STUDY_DIRECTOR

AbbVie

Locations

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Arizona Oncology - Tucson - Rudasill /ID# 267552

Tucson, Arizona, United States

Site Status RECRUITING

Southern VA Health Care System /ID# 266254

Tucson, Arizona, United States

Site Status RECRUITING

UCSF FRESNO/Community Cancer Institute /ID# 270874

Clovis, California, United States

Site Status RECRUITING

Valkyrie Clinical Trials /ID# 268151

Los Angeles, California, United States

Site Status RECRUITING

Rocky Mountain Cancer Centers - Aurora /ID# 267549

Aurora, Colorado, United States

Site Status RECRUITING

Yale University School of Medicine /ID# 266224

New Haven, Connecticut, United States

Site Status RECRUITING

Malcolm Randall V.A. Medical Center /ID# 267825

Gainesville, Florida, United States

Site Status RECRUITING

Cancer Specialists of North Florida - Jacksonville - AC Skinner Parkway /ID# 266713

Jacksonville, Florida, United States

Site Status RECRUITING

Mid Florida Hematology And Oncology Center /ID# 269159

Orange City, Florida, United States

Site Status RECRUITING

Comprehensive Hematology Oncology /ID# 267644

St. Petersburg, Florida, United States

Site Status RECRUITING

Springfield Clinic - First /ID# 270145

Springfield, Illinois, United States

Site Status RECRUITING

Northwest Cancer Center - Dyer Clinic /ID# 268478

Dyer, Indiana, United States

Site Status RECRUITING

University of Iowa Health Care /ID# 267206

Des Moines, Iowa, United States

Site Status RECRUITING

Willis-Knighton Medical Center /ID# 270569

Shreveport, Louisiana, United States

Site Status RECRUITING

Center for Cancer and Blood Disorders-American Oncology Partners of Maryland /ID# 266445

Bethesda, Maryland, United States

Site Status RECRUITING

Maryland Oncology Hematology - Silver Spring /ID# 267557

Silver Spring, Maryland, United States

Site Status RECRUITING

UMass Memorial Medical Center /ID# 270023

Worcester, Massachusetts, United States

Site Status RECRUITING

Henry Ford Hospital /ID# 270973

Detroit, Michigan, United States

Site Status RECRUITING

Saint Lukes Hospital of Kansas City /ID# 267270

Kansas City, Missouri, United States

Site Status RECRUITING

Icahn School of Medicine at Mount Sinai /ID# 266328

New York, New York, United States

Site Status RECRUITING

Atrium Health /ID# 267219

Charlotte, North Carolina, United States

Site Status RECRUITING

Atrium Health Wake Forest Baptist Medical Center /ID# 273142

Winston-Salem, North Carolina, United States

Site Status RECRUITING

Cleveland Clinic Main Campus /ID# 271292

Cleveland, Ohio, United States

Site Status RECRUITING

Oklahoma Cancer Specialists and Research Institute /ID# 267643

Tulsa, Oklahoma, United States

Site Status RECRUITING

Willamette Valley Cancer Institute and Research Center /ID# 266326

Eugene, Oregon, United States

Site Status RECRUITING

Lifespan Cancer Institute - Providence /ID# 266550

Providence, Rhode Island, United States

Site Status RECRUITING

Texas Oncology - Austin Midtown /ID# 268152

Austin, Texas, United States

Site Status RECRUITING

University of Texas - Southwestern Medical Center /ID# 266528

Dallas, Texas, United States

Site Status RECRUITING

Virginia Cancer Specialists - Gainesville /ID# 268155

Gainesville, Virginia, United States

Site Status RECRUITING

Vista Oncology - East Olympia /ID# 267337

Olympia, Washington, United States

Site Status RECRUITING

Northwest Medical Specialties Tacoma /ID# 266327

Tacoma, Washington, United States

Site Status RECRUITING

West Virginia University School of Medicine /ID# 267645

Morgantown, West Virginia, United States

Site Status RECRUITING

Calvary Mater Newcastle /ID# 267408

Waratah, New South Wales, Australia

Site Status RECRUITING

Townsville University Hospital /ID# 266954

Townsville, Queensland, Australia

Site Status RECRUITING

St Vincent's Hospital - Melbourne /ID# 270027

Fitzroy, Victoria, Australia

Site Status RECRUITING

Royal Perth Hospital /ID# 266906

Perth, Western Australia, Australia

Site Status RECRUITING

Centre Hospitalier Régional Metz Thionville - Hôpital de Mercy /ID# 266852

Metz, Moselle, France

Site Status RECRUITING

Hopitaux Universitaires Henri Mondor - Hopital Henri Mondor /ID# 266270

Créteil, Paris, France

Site Status RECRUITING

Hopitaux Universitaires Paris Centre-Hopital Cochin /ID# 267438

Paris, Paris, France

Site Status RECRUITING

Centre Hospitalier Universitaire de Saint Etienne - Hopital Nord /ID# 266319

St-Priest-en-Jarez, Pays de la Loire Region, France

Site Status RECRUITING

Centre Antoine-Lacassagne /ID# 266894

Nice, Provence-Alpes-Côte d'Azur Region, France

Site Status RECRUITING

Centre Hospitalier de la Côte Basque /ID# 266847

Bayonne, Pyrenees-Atlantiques, France

Site Status RECRUITING

Centre Hospitalier Métropole Savoie - Site Hôpital de Chambéry /ID# 266854

Chambéry, Savoie, France

Site Status RECRUITING

CHU Amiens-Picardie Site Sud /ID# 266849

Amiens, Somme, France

Site Status RECRUITING

Centre Hospitalier Régional d'Orléans - Hôpital de la Source /ID# 266272

Orléans, , France

Site Status RECRUITING

Centre Hospitalier d Argenteuil Victor Dupouy /ID# 266322

Argenteuil, Île-de-France Region, France

Site Status RECRUITING

Olympion General Clinic /ID# 266819

Pátrai, Achaia, Greece

Site Status RECRUITING

Evangelismos Hospital /ID# 266815

Athens, Attica, Greece

Site Status RECRUITING

General Hospital of Athens Laiko /ID# 266813

Athens, Attica, Greece

Site Status RECRUITING

University General Hospital Attikon /ID# 266814

Athens, Attica, Greece

Site Status RECRUITING

University General Hospital of Alexandroupoli /ID# 266816

Alexandroupoli, Evros, Greece

Site Status RECRUITING

Pan American Center for Oncology Trials /ID# 266243

Rio Piedras, , Puerto Rico

Site Status RECRUITING

Clinical Hospital Center Zvezdara /ID# 266560

Belgrade, Beograd, Serbia

Site Status RECRUITING

University Clinical Center Serbia /ID# 266579

Belgrade, Beograd, Serbia

Site Status RECRUITING

Clinical Hospital Center - Bežanijska Kosa /ID# 266567

Belgrade, Beograd, Serbia

Site Status RECRUITING

University Clinical Center Nis /ID# 266580

Niš, Nisavski Okrug, Serbia

Site Status RECRUITING

University Clinical Center Kragujevac /ID# 266568

Kragujevac, Sumadijski Okrug, Serbia

Site Status RECRUITING

Institute for Oncology of Vojvodina /ID# 266556

Kamenitz, Vojvodina, Serbia

Site Status RECRUITING

University Clinical Center Vojvodina /ID# 266674

Novi Sad, , Serbia

Site Status RECRUITING

Complejo Hospitalario Universitario de Santiago (CHUS) /ID# 267164

Santiago de Compostela, A Coruna, Spain

Site Status RECRUITING

Hospital Universitario Puerta de Hierro - Majadahonda /ID# 266967

Majadahonda, Madrid, Spain

Site Status RECRUITING

Clinica Universidad de Navarra - Pamplona /ID# 267762

Pamplona, Navarre, Spain

Site Status RECRUITING

CLINICA UNIVERSIDAD DE NAVARRA-Madrid /ID# 266969

Madrid, , Spain

Site Status RECRUITING

Hospital MD Anderson Cancer Center Madrid /ID# 267167

Madrid, , Spain

Site Status RECRUITING

Hospital Universitario Virgen del Rocio /ID# 266968

Seville, , Spain

Site Status RECRUITING

Kaohsiung Chang Gung Memorial Hospital /ID# 267046

Kaohsiung City, Kaohsiung, Taiwan

Site Status RECRUITING

National Taiwan University Hospital /ID# 267017

Taipei City, Taipei, Taiwan

Site Status RECRUITING

China Medical University Hospital /ID# 267018

Taichung, , Taiwan

Site Status RECRUITING

Linkou Chang Gung Memorial Hospital /ID# 267045

Taoyuan, , Taiwan

Site Status RECRUITING

Nottingham City Hospital /ID# 266991

Nottingham, Nottinghamshire, United Kingdom

Site Status RECRUITING

Countries

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United States Australia France Greece Puerto Rico Serbia Spain Taiwan United Kingdom

Central Contacts

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ABBVIE CALL CENTER

Role: CONTACT

844-663-3742

Facility Contacts

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Site Coordinator

Role: primary

360-413-8880 opt 4

Related Links

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Other Identifiers

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2024-512147-23-00

Identifier Type: OTHER

Identifier Source: secondary_id

M24-287

Identifier Type: -

Identifier Source: org_study_id

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