New hope for blood cancer patients: experimental drug BGB-16673 enters phase 3 trial
NCT ID NCT06970743
First seen Jun 27, 2026 · Last updated Aug 25, 2026 · Updated 7 times
Summary
This Phase 3 trial is testing an experimental oral drug called BGB-16673 against standard treatments (bendamustine plus rituximab or high-dose methylprednisolone plus rituximab) in 150 people with relapsed or refractory chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL) who have already been treated with a BTK inhibitor. The main goal is to see if BGB-16673 can delay cancer progression or improve survival. Participants are randomly assigned to receive either the new drug or one of the standard therapies.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- BGB-16673 (an experimental oral drug)
- What this could lead to
- If successful, this could offer a new treatment option for people with CLL or SLL whose cancer has returned or stopped responding to current BTK inhibitor therapy.
- What could go wrong
- This is an early-stage Phase 3 trial with only 150 participants, so results may not apply to everyone. The experimental drug may not work better than standard treatments and could have unknown side effects.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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153 people
The number who actually took part.
- Started
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May 2025
- Expected to finish
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Nov 2029
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Confirmed diagnosis of CLL/SLL, requiring treatment, based on 2018 international workshop on chronic lymphocytic leukemia (iwCLL) criteria. 2. Previously received treatment for CLL/SLL with a covalent BTKi. 3. Measurable disease by computer tomography/magnetic resonance imaging for patients with SLL. 4. Eastern Cooperative Oncology Group (ECOG) performance status 0-2 5. Adequate bone marrow function 6. Adequate kidney and liver function 7. Adequate blood clotting function Exclusion Criteria: 1. Known prolymphocytic leukemia or history of, or currently suspected, Richter's transformation 2. 2\. Prior autologous stem cell transplant (unless ≥ 3 months after transplant) or chimeric antigen receptor-T cell (unless ≥ 6 months after cell infusion) 3. History of severe allergic reactions or hypersensitivity to the active ingredient and excipients of study treatment (BGB-16673, bendamustine, rituximab, chlorambucil, or obinutuzumab) 4. Current or history of central nervous system involvement 5. History of ischemic stroke or intracranial hemorrhage within 6 months before first dose of study drug 6. History of confirmed progressive multifocal leukoencephalopathy. 7. Active fungal, bacterial, and/or viral infection requiring parenteral systemic therapy 8. Clinically significant cardiovascular disease NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Affiliated Hospital of Jining Medical University
Jining, Shandong, 272000, China
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Affiliated Hospital of Nantong University
Nantong, Jiangsu, 201203, China
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Affiliated Zhongshan Hospital of Dalian University
Dalian, Liaoning, 116001, China
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Binzhou Medical University Hospital
Binzhou, Shandong, 256603, China
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Chang Bing Show Chwan Memorial Hospital
Changhua, 505029, Taiwan
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China Medical University Hospital
Taichung, 40447, Taiwan
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Chongqing University Three Gorges Central Hospital
Chongqing, Chongqing Municipality, 404000, China
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Deyangs People Hospital
Deyang, Sichuan, 618000, China
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Fudan University Shanghai Cancer Center
Shanghai, Shanghai Municipality, 200000, China
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Fujian Medical University Union Hospital
Fuzhou, Fujian, 350001, China
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Guizhou Provincial Peoples Hospital
Guiyang, Guizhou, 550002, China
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Harbin Medical University Cancer Hospital
Harbin, Heilongjiang, 150000, China
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Henan Cancer Hospital
Zhengzhou, Henan, 450000, China
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Henan Provincial Peoples Hospital
Zhengzhou, Henan, 450003, China
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Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciencestuanbo Branch
Tianjin, Tianjin Municipality, 301617, China
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Jiangsu Province Hospital
Nanjing, Jiangsu, 210029, China
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Linyi Cancer Hospital
Linyi, Shandong, 276001, China
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Lishui Central Hospital
Lishui, Zhejiang, 323000, China
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Meizhou People Hospital
Meizhou, Guangdong, 514031, China
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Nanjing Drum Tower Hospital,the Affiliated Hospital of Nanjing University Medical School
Nanjing, Jiangsu, 210008, China
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National Cheng Kung University Hospital
Tainan, 704, Taiwan
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Peking Union Medical College Hospital
Beijing, Beijing Municipality, 100730, China
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Peking University Peoples Hospital
Beijing, Beijing Municipality, 100044, China
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Peking University Third Hospital
Beijing, Beijing Municipality, 100000, China
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Peoples Hospital of Xinjiang Uygur Autonomous Region
Ürümqi, Xinjiang, 830001, China
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Qinghai University Affiliated Hospital
Xining, Qinghai, 810001, China
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Red Cross Hospital of Yulin City
Yulin, Guangxi, 537000, China
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Shanxi Bethune Hospital
Taiyuan, Shanxi, 030032, China
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Shenzhen Nanshan Peoples Hospital
Shenzhen, Guangdong, 518052, China
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Sichuan Academy of Medical Sciences and Sichuan Provincial Peoples Hospital
Chengdu, Sichuan, 610071, China
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Sir Run Run Shaw Hospital, Zhejiang University School of Medicineqiantang Branch
Hangzhou, Zhejiang, 310018, China
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Sun Yat Sen University Cancer Center Huangpu Branch
Guangzhou, Guangdong, 510555, China
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Taian City Central Hospital
Taian, Shandong, 271099, China
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Taihe Hospital
Shiyan, Hubei, 442000, China
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The Affiliated Hospital of Xuzhou Medical University
Xuzhou, Jiangsu, 221000, China
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The First Affiliated Hospital of Anhui Medical University
Hefei, Anhui, 230000, China
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The First Affiliated Hospital of Chongqing Medical University
Chongqing, Chongqing Municipality, 630014, China
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The First Affiliated Hospital of Fujian Medical University
Fuzhou, Fujian, 350005, China
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The First Affiliated Hospital of Guangxi Medical University
Nanning, Guangxi, 530021, China
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The First Affiliated Hospital of Harbin Medical Universitynangang Branch
Harbin, Heilongjiang, 150001, China
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The First Affiliated Hospital of Soochow University
Suzhou, Jiangsu, 215006, China
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The First Affiliated Hospital of Wenzhou Medical University
Wenzhou, Zhejiang, 325000, China
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The First Affiliated Hospital of Xinxiang Medical University
Xinxiang, Henan, 453100, China
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The First Affiliated Hospital of Zhengzhou University
Zhengzhou, Henan, 450052, China
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The First Affiliated Hospital, Zhejiang University School of Medicinechengzhan
Hangzhou, Zhejiang, 310002, China
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The First Hospital of Jilin University
Changchun, Jilin, 130021, China
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The First Peoples Hospital of Changde City
Changde, Hunan, 415000, China
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The First Peoples Hospital of Yunnan Province
Kunming, Yunnan, 650034, China
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The Second Affiliated Hospital of Nanchang University
Nanchang, Jiangxi, 330006, China
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The Second Peoples Hospital of Yibin
Yibin, Sichuan, 644000, China
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The Second Xiangya Hospital of Central South University
Changsha, Hunan, 410011, China
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Tongji Hospital of Tongji Medical College Huazhong University of Science and Technology
Wuhan, Hubei, 430030, China
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Union Hospital of Tongji Medical College, Huazhong University of Science and Technology
Wuhan, Hubei, 430022, China
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Xuchang Central Hospitalluminghu Branch
Xuchang, Henan, 461000, China
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Yichang Central Peoples Hospital
Yichang, Hubei, 443003, China
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Zhujiang Hospital of Southern Medical University
Guangzhou, Guangdong, 510000, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Two-Drug combo aims to push CLL into deep remission
- Can a new BTK inhibitor outsmart resistance in CLL?
- Can a new pill outsmart Drug-Resistant leukemia?
- Can engineered immune cells beat tough B-Cell cancers?
- Can a targeted drug outperform chemo for a common blood cancer?
- Can a triple drug combo outsmart High-Risk CLL?