A Study of Nemtabrutinib vs Chemoimmunotherapy for Participants With Previously Untreated Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CLL/SLL) Without TP53 Aberrations (MK-1026-008, BELLWAVE-008)

NCT ID: NCT05624554

Last Updated: 2025-07-17

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

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE3

Total Enrollment

300 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-03-16

Study Completion Date

2031-03-17

Brief Summary

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Researchers are looking for new ways to treat people with chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL). CLL and SLL are types of blood cancer. Researchers want to know if people who take nemtabrutinib compared to those who take the standard treatments in this study will live longer without their cancer growing, spreading or returning (progression free survival).

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Detailed Description

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Conditions

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Chronic Lymphocytic Leukemia Small Lymphocytic Lymphoma

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Nemtabrutinib

Administered daily via oral tablet.

Group Type EXPERIMENTAL

Nemtabrutinib

Intervention Type DRUG

65 mg administered orally daily until disease progression, unacceptable toxicity, or discontinuation criteria met.

FCR or BR

Investigator's choice of fludarabine plus cyclophosphamide plus rituximab (FCR) OR bendamustine plus rituximab (BR). Participants will receive either rituximab or specified approved rituximab biosimilar.

Group Type ACTIVE_COMPARATOR

Fludarabine

Intervention Type DRUG

25 mg/m\^2 administered via intravenous (IV) infusion on Days 1, 2, and 3 of each 28-day cycle up to 6 cycles.

Cyclophosphamide

Intervention Type DRUG

250 mg/m\^2 administered via IV infusion on Days 1, 2, and 3 of each 28-day cycle up to 6 cycles.

Bendamustine

Intervention Type DRUG

Administered via IV infusion on Days 1 and 2 of each 28-day cycle up to 6 cycles. The first dose is given as 70 to 90 mg/m\^2. Subsequent doses may be escalated up to 90 mg/m\^2, if applicable and as per local guidelines.

Rituximab

Intervention Type BIOLOGICAL

Administered as an IV infusion on Day 1 of each 28-day cycle. The initial dose is 375 mg/m\^2 (cycle 1) followed by 500 mg/m\^2 for remaining cycles.

Truxima

Intervention Type BIOLOGICAL

Administered as an IV infusion on Day 1 of each 28-day cycle. The initial dose is 375 mg/m\^2 (cycle 1) followed by 500 mg/m\^2 for remaining cycles.

Ruxience

Intervention Type BIOLOGICAL

Administered as an IV infusion on Day 1 of each 28-day cycle. The initial dose is 375 mg/m\^2 (cycle 1) followed by 500 mg/m\^2 for remaining cycles.

Riabni

Intervention Type BIOLOGICAL

Administered as an IV infusion on Day 1 of each 28-day cycle. The initial dose is 375 mg/m\^2 (cycle 1) followed by 500 mg/m\^2 for remaining cycles.

Interventions

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Nemtabrutinib

65 mg administered orally daily until disease progression, unacceptable toxicity, or discontinuation criteria met.

Intervention Type DRUG

Fludarabine

25 mg/m\^2 administered via intravenous (IV) infusion on Days 1, 2, and 3 of each 28-day cycle up to 6 cycles.

Intervention Type DRUG

Cyclophosphamide

250 mg/m\^2 administered via IV infusion on Days 1, 2, and 3 of each 28-day cycle up to 6 cycles.

Intervention Type DRUG

Bendamustine

Administered via IV infusion on Days 1 and 2 of each 28-day cycle up to 6 cycles. The first dose is given as 70 to 90 mg/m\^2. Subsequent doses may be escalated up to 90 mg/m\^2, if applicable and as per local guidelines.

Intervention Type DRUG

Rituximab

Administered as an IV infusion on Day 1 of each 28-day cycle. The initial dose is 375 mg/m\^2 (cycle 1) followed by 500 mg/m\^2 for remaining cycles.

Intervention Type BIOLOGICAL

Truxima

Administered as an IV infusion on Day 1 of each 28-day cycle. The initial dose is 375 mg/m\^2 (cycle 1) followed by 500 mg/m\^2 for remaining cycles.

Intervention Type BIOLOGICAL

Ruxience

Administered as an IV infusion on Day 1 of each 28-day cycle. The initial dose is 375 mg/m\^2 (cycle 1) followed by 500 mg/m\^2 for remaining cycles.

Intervention Type BIOLOGICAL

Riabni

Administered as an IV infusion on Day 1 of each 28-day cycle. The initial dose is 375 mg/m\^2 (cycle 1) followed by 500 mg/m\^2 for remaining cycles.

Intervention Type BIOLOGICAL

Other Intervention Names

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MK-1026 RITUXAN®/MabThera Rituximab biosimilar Rituximab biosimilar Rituximab biosimilar

Eligibility Criteria

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Inclusion Criteria

* Confirmed diagnosis of chronic lymphocytic leukemia (CLL)/ small lymphocytic lymphoma (SLL) and active disease clearly documented to have a need to initiate therapy
* Has previously untreated CLL/SLL participants without tumor protein 53 (TP53) aberrations and documented 11q status and immunoglobulin heavy chain gene (IGHV) mutational status
* The ability to swallow and retain oral medication

Exclusion Criteria

* Active hepatitis B virus (HBV) or hepatitis C virus (HCV) infection
* Gastrointestinal dysfunction that may affect drug absorption (eg, gastric bypass surgery, gastrectomy)
* Known additional malignancy that is progressing or has required active treatment within the past 3 years, except basal cell carcinoma of skin, squamous cell carcinoma of skin, or carcinoma in situ (eg, breast carcinoma, cervical cancer in situ) that have undergone potential curative therapy
* History of severe bleeding disorders
* Not adequately recovered from major surgery or has ongoing surgical complications
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Merck Sharp & Dohme LLC

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Medical Director

Role: STUDY_DIRECTOR

Merck Sharp & Dohme LLC

Locations

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Highlands Oncology Group ( Site 5205)

Springdale, Arkansas, United States

Site Status

Clermont Oncology Center ( Site 5224)

Clermont, Florida, United States

Site Status

Hattiesburg Clinic Hematology/Oncology ( Site 5216)

Hattiesburg, Mississippi, United States

Site Status

Medical Oncology Associates, PS ( Site 5206)

Spokane, Washington, United States

Site Status

Royal Adelaide Hospital ( Site 1105)

Adelaide, South Australia, Australia

Site Status

Hospital Erasto Gaertner-CEPEP - Pesquisa Clínica ( Site 1317)

Curitiba, Paraná, Brazil

Site Status

Hospital Amaral Carvalho-Centro de Pesquisas ( Site 1304)

Jaú, São Paulo, Brazil

Site Status

A. C. Camargo Cancer Center ( Site 1318)

São Paulo, São Paulo, Brazil

Site Status

Instituto Nacional de Câncer - INCA-Divisão de Pesquisa Clínica e Desenvolvimento Tecnológico HC1 ( Site 1319)

Rio de Janeiro, , Brazil

Site Status

ICESP - INSTITUTO DO CÂNCER DO ESTADO DE SÃO PAULO-Pesquisa Clinica ( Site 1308)

São Paulo, , Brazil

Site Status

Hospital Paulistano-Americas Oncologia ( Site 1302)

São Paulo, , Brazil

Site Status

Specialized Hospital for Active Treatment of Haematology Diseases ( Site 6403)

Sofia, Sofia (stolitsa), Bulgaria

Site Status

University Multiprofile Hospital for Active Treatment "Sveti Georgi" EAD ( Site 6404)

Plovdiv, , Bulgaria

Site Status

Medical Centre Pratia Clinic EOOD ( Site 6406)

Plovdiv, , Bulgaria

Site Status

UMHAT "Prof. Dr. Stoyan Kirkovich"AD-Clinical Hematology ( Site 6400)

Stara Zagora, , Bulgaria

Site Status

Multriprofile Hospital for Active Treatment "Hristo Botev" ( Site 6402)

Vratsa, , Bulgaria

Site Status

IC La Serena Research ( Site 1506)

La Serena, Coquimbo Region, Chile

Site Status

Centro de Estudios Clínicos SAGA-CECSAGA ( Site 1509)

Santiago, Region M. de Santiago, Chile

Site Status

FALP-UIDO ( Site 1500)

Santiago, Region M. de Santiago, Chile

Site Status

Clínica Inmunocel ( Site 1511)

Santiago, Region M. de Santiago, Chile

Site Status

James Lind Centro de Investigacion del Cancer ( Site 1503)

Temuco, Región de la Araucanía, Chile

Site Status

Biocenter ( Site 1507)

Concepción, Región del Biobío, Chile

Site Status

Peking University Third Hospital ( Site 1602)

Beijing, Beijing Municipality, China

Site Status

Chongqing University Cancer Hospital ( Site 1605)

Chongqing, Chongqing Municipality, China

Site Status

Chongqing University Three Gorges Hospital ( Site 1609)

Chongqing, Chongqing Municipality, China

Site Status

Southern Medical University Nanfang Hospital-Department of Hematopathology ( Site 1607)

Guangzhou, Guangdong, China

Site Status

Sun Yat-sen University Cancer Center ( Site 1608)

Guangzhou, Guangdong, China

Site Status

The Affiliated Hospital of Guizhou Medical University ( Site 1625)

Guiyang, Guizhou, China

Site Status

Hainan General Hospital ( Site 1603)

Haikou, Hainan, China

Site Status

Henan Cancer Hospital-hematology department ( Site 1613)

Zhengzhou, Henan, China

Site Status

Tongji Hospital Tongji Medical,Science & Technology ( Site 1619)

Wuhan, Hubei, China

Site Status

Union Hospital Tongji Medical College Huazhong University of Science and Technology ( Site 1618)

Wuhan, Hubei, China

Site Status

Xiangya Hospital Central South University-Hematology department ( Site 1616)

Changsha, Hunan, China

Site Status

Hunan Cancer Hospital ( Site 1615)

Changsha, Hunan, China

Site Status

The First Affiliated Hospital of Soochow University-hematology department ( Site 1612)

Suzhou, Jiangsu, China

Site Status

The First Affiliated Hospital of Nanchang University ( Site 1614)

Nanchang, Jiangxi, China

Site Status

Jiangxi Provincial Cancer Hospital ( Site 1628)

Nanchang, Jiangxi, China

Site Status

The First Hospital of Jilin University-Hematology ( Site 1621)

Changchun, Jilin, China

Site Status

The First Affiliated Hospital of Xi'an Jiaotong University ( Site 1617)

Xi'an, Shaanxi, China

Site Status

Shaanxi provincial people's hospital ( Site 1626)

Xi'an, Shaanxi, China

Site Status

Fudan University Shanghai Cancer Center ( Site 1606)

Shanghai, Shanghai Municipality, China

Site Status

Shanxi Cancer Hospital ( Site 1629)

Taiyuan, Shanxi, China

Site Status

Institute of hematology&blood disease hospital ( Site 1600)

Tianjin, Tianjin Municipality, China

Site Status

Tianjin Medical University Cancer Institute & Hospital-lymphoma ( Site 1604)

Tianjin, Tianjin Municipality, China

Site Status

The First Affiliated Hospital, Zhejiang University-Hematology ( Site 1611)

Hangzhou, Zhejiang, China

Site Status

Clini Salud ( Site 1700)

Envigado, Antioquia, Colombia

Site Status

Fundacion Colombiana de Cancerología Clinica Vida ( Site 1707)

Medellín, Antioquia, Colombia

Site Status

Sociedad De Oncologia Y Hematologia Del Cesar-Oncology ( Site 1704)

Valledupar, Cesar Department, Colombia

Site Status

Oncologos del Occidente ( Site 1706)

Pereira, Risaralda Department, Colombia

Site Status

Aarhus Universitetshospital, Skejby-Blodsygdomme ( Site 1902)

Aarhus, Central Jutland, Denmark

Site Status

Aalborg Universitetshospital, Syd ( Site 1901)

Aalborg, North Denmark, Denmark

Site Status

Odense Universitetshospital ( Site 1900)

Odense C, Region Syddanmark, Denmark

Site Status

Vejle Sygehus ( Site 1903)

Vejle, Region Syddanmark, Denmark

Site Status

MEDI-K ( Site 2401)

Guatemala City, , Guatemala

Site Status

CELAN,S.A ( Site 2403)

Guatemala City, , Guatemala

Site Status

Oncomedica ( Site 2402)

Guatemala City, , Guatemala

Site Status

Queen Mary Hospital ( Site 2500)

Hksar, , Hong Kong

Site Status

Fejér Megyei Szent György Egyetemi Oktató Kórház ( Site 2609)

Székesfehérvár, Fejér, Hungary

Site Status

Heves Vármegyei Markhot Ferenc Oktatókórház és Rendelőintézet ( Site 2608)

Eger, Heves County, Hungary

Site Status

Szabolcs-Szatmár-Bereg Megyei Kórházak és Egyetemi Oktatókór-Haematológia osztály ( Site 2602)

Nyíregyháza, Szabolcs-Szatmár-Bereg, Hungary

Site Status

Hospital of Lithuanian University of Health Sciences Kauno klinikos-Oncology and Hematology ( Site 3100)

Kaunas, Kaunas County, Lithuania

Site Status

Hospital Sultanah Aminah ( Site 3203)

Johor Bahru, Johor, Malaysia

Site Status

Hospital Ampang ( Site 3202)

Ampang, Selangor, Malaysia

Site Status

Centro de Infusion Superare ( Site 3314)

Mexico City, Mexico City, Mexico

Site Status

Health Pharma Professional Research S.A. de C.V: ( Site 3301)

Mexico City, Mexico City, Mexico

Site Status

Centro de Investigacion Clinica Chapultepec ( Site 3309)

Morelia, Michoacán, Mexico

Site Status

Oaxaca Site Management Organization ( Site 3313)

Oaxaca City, , Mexico

Site Status

Uniwersytecki Szpital Kliniczny nr 1 w Lublinie ( Site 3710)

Lublin, Lublin Voivodeship, Poland

Site Status

Narodowy Instytut Onkologii im. Marii Sklodowskiej-Curie - P-Klinika Nowotworów Układu Chłonnego ( Site 3701)

Warsaw, Masovian Voivodeship, Poland

Site Status

Uniwersyteckie Centrum Kliniczne-Klinika Hematologii i Transplantologii ( Site 3702)

Gdansk, Pomeranian Voivodeship, Poland

Site Status

Pratia Onkologia Katowice ( Site 3705)

Katowice, Silesian Voivodeship, Poland

Site Status

Samodzielny Publiczny Zaklad Opieki Zdrowotnej MSWiA z Warmi-Oddzial Kliniczny Hematologii ( Site 3704)

Olsztyn, Warmian-Masurian Voivodeship, Poland

Site Status

Swietokrzyskie Centrum Onkologii, Samodzielny Publiczny Zakl-Klinika Hematologii i Transplantacji S ( Site 3711)

Kielce, Świętokrzyskie Voivodeship, Poland

Site Status

Spitalul Clinic Colțea ( Site 4000)

Bucharest, București, Romania

Site Status

Spitalul Clinic Colțea ( Site 4001)

Bucharest, București, Romania

Site Status

Institutul Oncologic Cluj ( Site 4002)

Cluj-Napoca, , Romania

Site Status

National Cancer Centre Singapore ( Site 4200)

Singapore, Central Singapore, Singapore

Site Status

Tan Tock Seng Hospital ( Site 4202)

Singapore, Central Singapore, Singapore

Site Status

Netcare Pretoria East Hospital-Albert Alberts Stem Cell Transplant Centre ( Site 4401)

Centurion, Gauteng, South Africa

Site Status

Wits Clinical Research ( Site 4403)

Johannesburg, Gauteng, South Africa

Site Status

Groote Schuur Hospital-Clinical Haematology ( Site 4400)

Cape Town, Western Cape, South Africa

Site Status

Haemalife ( Site 4407)

Kuilsriver, Western Cape, South Africa

Site Status

Constantiaberg Haematology ( Site 4408)

Plumstead, Western Cape, South Africa

Site Status

Chang Gung Memorial Hospital at Kaohsiung-Division of Hematology and Oncology ( Site 4700)

Kaohsiung City, , Taiwan

Site Status

National Cheng Kung University Hospital ( Site 4701)

Tainan City, , Taiwan

Site Status

National Taiwan University Hospital ( Site 4704)

Taipei, , Taiwan

Site Status

Mega Medipol-Hematology ( Site 4904)

Stanbul, Istanbul, Turkey (Türkiye)

Site Status

Namik Kemal University Medical Faculty-Hematology ( Site 4912)

Suleymanpasa, Tekirdas, Turkey (Türkiye)

Site Status

Ankara Universitesi Tip Fakultesi Hastanesi-hematology ( Site 4913)

Ankara, , Turkey (Türkiye)

Site Status

TC Saglik Bakanligi Goztepe Prof. Dr. Suleyman Yalcin Sehir Hastanesi ( Site 4906)

Istanbul, , Turkey (Türkiye)

Site Status

Ege Universitesi Hastanesi ( Site 4902)

Izmir, , Turkey (Türkiye)

Site Status

MNPE ClinCenter of Oncology,Hematology,Transplantology and Palliative Care of CherkasyRegCouncil ( Site 5106)

Cherkassy, Cherkasy Oblast, Ukraine

Site Status

Communal non-profit enterprise "Regional clinical hospital o-Hematology Department ( Site 5113)

Ivano-Frankivsk, Ivano-Frankivsk Oblast, Ukraine

Site Status

Nonprofit Organization National Cancer Institute ( Site 5103)

Kyiv, Kyivska Oblast, Ukraine

Site Status

Institute of Blood Pathology and Transfusion Medicine of National Aсademy of Medical Sciences of Ukr ( Site 5105)

Lviv, Lviv Oblast, Ukraine

Site Status

SI National Research Center of Radiation Medicine, Hematology, Oncology ( Site 5101)

Kyiv, , Ukraine

Site Status

Public Non-Profit Enterprise Kyiv City Clinical Hospital #9 -Hematology department #1 ( Site 5111)

Kyiv, , Ukraine

Site Status

Countries

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United States Australia Brazil Bulgaria Chile China Colombia Denmark Guatemala Hong Kong Hungary Lithuania Malaysia Mexico Poland Romania Singapore South Africa Taiwan Turkey (Türkiye) Ukraine

Related Links

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Other Identifiers

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2022-501481-21-00

Identifier Type: REGISTRY

Identifier Source: secondary_id

MK-1026-008

Identifier Type: OTHER

Identifier Source: secondary_id

U1111-1274-2574

Identifier Type: REGISTRY

Identifier Source: secondary_id

2021-006593-23

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

1026-008

Identifier Type: -

Identifier Source: org_study_id

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