Clinical trial Recruiting at 181 sites Phase 3 Interventional Ages 18 and up

Comparing Nemtabrutinib to Ibrutinib or Acalabrutinib for First Line Treatment of Chronic Lymphocytic Leukemia

Official title: A Phase 3, Randomized Study to Compare Nemtabrutinib Versus Comparator (Investigator's Choice of Ibrutinib or Acalabrutinib) in Participants With Untreated Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (BELLWAVE-011)

Run by Merck Sharp & Dohme LLC · NCT06136559 · Data updated 2026-11-12

This study is testing if a new drug called nemtabrutinib works as well as or better than two existing treatments for people with chronic lymphocytic leukemia who haven’t had treatment before.

More Chronic Lymphocytic Leukemia trials

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment1200 (estimated)
SponsorMerck Sharp & Dohme LLC
Industry-sponsored
Drugs / interventionsnemtabrutinib, ibrutinib, acalabrutinib, radiation
Locations206 sites (Mobile, Alabama and 205 other locations)
StatusRecruiting
StartedDecember 13, 2023
Main results expectedSeptember 7, 2032
Study endsSeptember 7, 2032
Registry record updatedOctober 13, 2026
Trial IDNCT06136559 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include adults with a confirmed diagnosis of CLL/SLL and active disease requiring treatment.

Probably not a fit

Patients who have previously received treatment for CLL/SLL may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study evaluates the effectiveness of nemtabrutinib compared to the investigator's choice of either ibrutinib or acalabrutinib in patients with chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL) who have not previously received treatment. The primary goals are to determine if nemtabrutinib is non-inferior to the comparators in terms of objective response rate and if it offers superior progression-free survival. Participants will be monitored for their response to treatment based on established criteria by independent reviewers.

Why it matters

Potential benefit: If successful, this study could provide a more effective first-line treatment option for patients with CLL/SLL.

How similar studies have gone: Other studies have shown promising results with similar treatment approaches, indicating potential for success in this trial.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

The main inclusion criteria include but are not limited to the following:

* Confirmed diagnosis of CLL/SLL and active disease clearly documented to have a need to initiate therapy.
* Has at least 1 marker of disease burden.
* Has an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 2 within 7 days before randomization.
* Has the ability to swallow and retain oral medication.
* Participants who are hepatitis B surface antigen (HBsAg) positive are eligible if they have received hepatitis B virus (HBV) antiviral therapy for at least 4 weeks and have undetectable HBV deoxyribonucleic acid (DNA) viral load before randomization.
* Participants with history of hepatitis C virus (HCV) infection are eligible if HCV ribonucleic acid (RNA) viral load is undetectable at screening.
* Participants with human immunodeficiency virus (HIV) who meet ALL eligibility criteria.

Exclusion Criteria:

The main exclusion criteria include but are not limited to the following:

* Has an active hepatitis B virus/ hepatitis C virus (HBV/HCV) infection.
* Has gastrointestinal (GI) dysfunction that may affect drug absorption.
* Has diagnosis of Richter Transformation or active central nervous system (CNS) involvement by CLL/SLL.
* Has had acquired immune deficiency syndrome (AIDS)-defining opportunistic infection in the past 12 months before screening.
* Has clinically significant cardiovascular disease.
* Has hypersensitivity to nemtabrutinib or contraindication to ibrutinib or acalabrutinib, or any of the excipients.
* Has history of severe bleeding disorder.
* Has known additional malignancy that is progressing or has required active treatment within the past 2 years.
* Has received any systemic anticancer therapy for CLL/SLL.
* Is currently being treated with p-glycoprotein (P-gp) substrates with a narrow therapeutic index, cytochrome P450 3A (CYP3A) strong or moderate inducers or CYP3A strong inhibitors.
* Received prior radiotherapy within 2 weeks of start of study intervention, or radiation-related toxicities, requiring corticosteroids.
* Received a live or live-attenuated vaccine within 30 days before the first dose of study intervention. Administration of killed vaccines are allowed.
* Has received an investigational agent or has used an investigational device within 4 weeks before study intervention administration.
* Has active infection requiring systemic therapy, including intravenous (IV) antibiotics during screening.
* Participants who have not adequately recovered from major surgery or have ongoing surgical complications.

Where it's running

  • USA Mitchell Cancer Institute ( Site 0014)
    Mobile, Alabama, United States
    Recruiting
  • Banner MD Anderson Cancer Center ( Site 0059)
    Gilbert, Arizona, United States
    Recruiting
  • Banner MD Anderson Cancer Center - University Medical Center Phoenix ( Site 0051)
    Phoenix, Arizona, United States
    Recruiting
  • Moores Cancer Center ( Site 0003)
    La Jolla, California, United States
    Recruiting
  • Care Access - South Pasadena ( Site 0070)
    Pasadena, California, United States
    Recruiting
  • Saint Joseph Hospital ( Site 0026)
    Denver, Colorado, United States
    Recruiting
Show 44 more locations
  • Lutheran Medical Center ( Site 0027)
    Golden, Colorado, United States
    Recruiting
  • Intermountain Health St. Mary's Regional Hospital ( Site 0025)
    Grand Junction, Colorado, United States
    Recruiting
  • Eastern CT Hematology & Oncology Associates ( Site 0033)
    Norwich, Connecticut, United States
    Recruiting
  • Lynn Cancer Center at Boca Raton Regional Hospital ( Site 0063)
    Boca Raton, Florida, United States
    Recruiting
  • Clermont Oncology Center ( Site 0046)
    Clermont, Florida, United States
    Recruiting
  • Florida Cancer Specialists - South ( Site 7001)
    Fort Myers, Florida, United States
    Recruiting
  • Florida Cancer Specialists - East ( Site 7002)
    West Palm Beach, Florida, United States
    Recruiting
  • Saint Alphonsus Regional Medical Center ( Site 0067)
    Boise, Idaho, United States
    Recruiting
  • Parkview Research Center at Parkview Regional Medical Center ( Site 0002)
    Fort Wayne, Indiana, United States
    Recruiting
  • University of Iowa Health Care. ( Site 0017)
    Iowa City, Iowa, United States
    Recruiting
  • University of Iowa Health Care. ( Site 0057)
    Waukee, Iowa, United States
    Recruiting
  • Saint Elizabeth Healthcare ( Site 0041)
    Edgewood, Kentucky, United States
    Recruiting
  • Owensboro Medical Health System ( Site 0066)
    Owensboro, Kentucky, United States
    Recruiting
  • Corewell Health-Lemmon Holton Cancer Pavilion ( Site 0011)
    Grand Rapids, Michigan, United States
    Recruiting
  • Regions Hospital ( Site 0042)
    Saint Louis Park, Minnesota, United States
    Recruiting
  • MidAmerica Cancer Care, LLC ( Site 0043)
    Kansas City, Missouri, United States
    Recruiting
  • Intermountain Health St. Vincent Regional Hospital - Cancer Centers of Montana ( Site 0052)
    Billings, Montana, United States
    Recruiting
  • John Theurer Cancer Center at Hackensack University Medical Center ( Site 0016)
    Hackensack, New Jersey, United States
    Recruiting
  • New York Oncology Hematology, P.C. ( Site 0069)
    Albany, New York, United States
    Recruiting
  • Roswell Park Cancer Institute ( Site 0023)
    Buffalo, New York, United States
    Recruiting
  • RPCI Oncology, PC- Northtowns ( Site 0061)
    Williamsville, New York, United States
    Recruiting
  • Carolina Oncology Specialists, PA ( Site 0054)
    Charlotte, North Carolina, United States
    Recruiting
  • Southeastern Medical Oncology Center ( Site 0049)
    Goldsboro, North Carolina, United States
    Recruiting
  • Consultants in Medical Oncology and Hematology (CMOH) ( Site 8002)
    Broomall, Pennsylvania, United States
    Recruiting
  • Cancer Care Associates Of York ( Site 0005)
    York, Pennsylvania, United States
    Recruiting
  • Tennessee Oncology-Chattanooga ( Site 0045)
    Chattanooga, Tennessee, United States
    Recruiting
  • Tennessee Oncology, PLLC - Elliston Place Plaza Medical Oncology & Hematology ( Site 0031)
    Nashville, Tennessee, United States
    Recruiting
  • Texas Oncology - Central/South Texas ( Site 8008)
    Austin, Texas, United States
    Recruiting
  • The Center for Cancer and Blood Disorders ( Site 0032)
    Fort Worth, Texas, United States
    Recruiting
  • Texas Oncology - San Antonio ( Site 8006)
    San Antonio, Texas, United States
    Recruiting
  • Texas Oncology - Northeast Texas ( Site 8012)
    Tyler, Texas, United States
    Recruiting
  • University of Virginia Cancer Center ( Site 0040)
    Charlottesville, Virginia, United States
    Recruiting
  • Inova Schar Cancer Institute ( Site 0015)
    Fairfax, Virginia, United States
    Recruiting
  • Virginia Commonwealth University (VCU) Medical Center ( Site 0030)
    Richmond, Virginia, United States
    Recruiting
  • Swedish Cancer Institute, Edmonds Campus ( Site 0072)
    Edmonds, Washington, United States
    Recruiting
  • Swedish Cancer Institute, Issaquah Campus ( Site 0073)
    Issaquah, Washington, United States
    Recruiting
  • Swedish Medical Center-Swedish Cancer Institute ( Site 0071)
    Seattle, Washington, United States
    Recruiting
  • Medical Oncology Associates, PS (dba Summit Cancer Centers) ( Site 0010)
    Spokane, Washington, United States
    Recruiting
  • SSM Health Dean Medical Group - South Madison Campus Health Research/Circuit Clinical ( Site 0048)
    Madison, Wisconsin, United States
    Recruiting
  • University Hospital and UW Health Clinics ( Site 0006)
    Madison, Wisconsin, United States
    Recruiting
  • AZ Sint-Maarten, Campus Leopoldstraat 2 ( Site 0205)
    Mechelen, Antwerpen, Belgium
    Recruiting
  • UZ Leuven-Hematology ( Site 0200)
    Leuven, Vlaams-Brabant, Belgium
    Recruiting
  • Hospital Erasto Gaertner ( Site 2212)
    Curitiba, Paraná, Brazil
    Recruiting
  • Hope - Humanizacao Em Oncologia, Pesquisa E Ensino ( Site 2211)
    Ribeirão Preto, São Paulo, Brazil
    Recruiting

+156 more sites. See ClinicalTrials.gov for the full list.

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

  • Tafasitamab plus Acalabrutinib and Venetoclax for newly treated CLL/SLL

    This phase II study tests a combination of tafasitamab, acalabrutinib, and venetoclax in adults who are newly diagnosed with chronic lymphocytic leukemia or small lymphocytic lymphoma to see if it is safe and effective.

    Recruiting at 2 sites Phase 2 City of Hope Medical Center · Duarte, California and 1 other locations · NCT07582159

  • Nemtabrutinib and venetoclax in untreated CLL/SLL

    This phase 2 study tests whether combining nemtabrutinib with venetoclax can help people with untreated chronic lymphocytic leukemia or small lymphocytic lymphoma.

    Recruiting Phase 2 Ohio State University Comprehensive Cancer Center · Columbus, Ohio · NCT07557056

  • Intermittent versus continuous venetoclax with acalabrutinib in CLL/SLL

    This will test whether giving venetoclax intermittently or continuously together with acalabrutinib helps people with previously untreated CLL or SLL.

    Recruiting Phase 2 University of Cincinnati · Cincinnati, Ohio · NCT07014917

  • Using ibrutinib to treat autoimmune hemolytic anemia in patients with chronic lymphocytic leukemia

    This study is testing if the drug ibrutinib can help adults with chronic lymphocytic leukemia who also have autoimmune hemolytic anemia feel better.

    Recruiting at 3 sites Phase 2 Gruppo Italiano Malattie EMatologiche dell'Adulto · Florence and 2 other locations · NCT05694312

  • Acalabrutinib combined with venetoclax or obinutuzumab for treating chronic lymphocytic leukemia

    This study is testing if a new combination of two drugs, acalabrutinib with either venetoclax or obinutuzumab, can help people with chronic lymphocytic leukemia who haven't been treated before by reducing cancer cells in their bone marrow.

    Recruiting Phase 2 Ohio State University Comprehensive Cancer Center · Columbus, Ohio · NCT05336812

  • Pirtobrutinib versus ibrutinib for people with CLL or SLL.

    This trial will test whether pirtobrutinib works better or is safer than ibrutinib for adults with CLL/SLL, with a separate part that tries pirtobrutinib alone in treatment‑naïve patients who have a 17p deletion.

    Recruiting at 93 sites Phase 3 Eli Lilly and Company · Anaheim, California and 142 other locations · NCT05254743

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.