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Zanubrutinib Induction Followed by Delayed Fixed-Duration Combination With Sonrotoclax for CLL/SLL：Stop Trial 2.0 (ZS)

2026년 6월 28일 업데이트: Yi Shuhua

A Single-arm, Multicenter, Prospective Phase II Clinical Trial of Delayed Fixed-duration Combination With Sotoraclax Following Zanubrutinib Induction in Patients With CLL/SLL: Stop Trial 2.0

The goal of this clinical trial is to learn if zanubrutinib induction followed by delayed fixed-duration combination with sonrotoclax works to treat previously untreated Chronic Lymphocytic Leukemia (CLL)/Small Lymphocytic Lymphoma (SLL). It will also learn about the safety of this combination regimen. The main questions it aims to answer are:Does this combination therapy achieve undetectable minimal residual disease (uMRD) in participants?What medical problems (adverse events) do participants have when taking zanubrutinib and sonrotoclax?Researchers will conduct a single-arm study to systematically evaluate the MRD clearance, efficacy, safety, and immune-related functions of this specific treatment sequence.Participants will:Low-risk group (without 17p deletion/TP53 mutation): Take zanubrutinib monotherapy for 12 cycles, followed by combination zanubrutinib + sonrotoclax for 12 cycles, then discontinue treatment for observation.High-risk group (with 17p deletion/TP53 mutation): Follow the same initial regimen (12 cycles monotherapy + 12 cycles combination), followed by zanubrutinib monotherapy maintenance until disease progression.Visit the clinic periodically for MRD assessment (via flow cytometry), efficacy evaluation (CT/PET-CT, lab tests), and safety checks (physical exam, blood tests, ECG).Undergo immune function evaluation via peripheral blood samples to assess changes in T-cell counts and subsets.

연구 개요

상태

아직 모집하지 않음

정황

개입 / 치료

상세 설명

This exploratory Phase II single-arm clinical trial is designed to evaluate the efficacy, safety, and immune reconstitution effects of a novel delayed fixed-duration BTK inhibitor (BTKi) induction followed by BCL-2 inhibitor combination regimen in previously untreated chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL) patients, with risk-stratified post-treatment management based on TP53/del(17p) status.Scientific RationaleCLL/SLL is a mature B-cell clonal proliferative neoplasm, where traditional chemoimmunotherapy has limited efficacy and high toxicity in high-risk populations with del(17p)/TP53 mutations. The current treatment paradigm has shifted to targeted therapies, with BTKi + BCL-2i combination as a first-line strategy. However, existing BCL-2i-based fixed-duration regimens have a grade ≥3 treatment-emergent adverse event (TEAE) incidence of 45%-80%, primarily hematological toxicities and infections. Prior clinical evidence shows that 12 cycles of BTKi monotherapy induction before combination therapy (the "brake" regimen) reduces infection risk compared to alternating chemoimmunotherapy + BTKi regimens, and 12 months of BTKi monotherapy increases T-cell receptor diversity, correlating with better clinical response and lower infection rates in relapsed/refractory CLL. This supports that extending BTKi induction before fixed-duration BCL-2i combination may optimize immune reconstitution, improving safety and long-term disease control.The study uses two investigational agents: zanubrutinib, a next-generation highly selective BTKi with higher BTK target selectivity and fewer off-target effects (e.g., lower cardiovascular adverse event risk vs. first-generation ibrutinib) compared to ibrutinib, approved in China for relapsed/refractory CLL/SLL and mantle cell lymphoma (MCL); and sonrotoclax, a highly selective BCL-2 inhibitor that restores mitochondrial apoptosis in CLL cells, with monotherapy showing 80.5% ORR and 26.8% CR/CRi rate in BTKi-pretreated high-risk relapsed/refractory CLL, and zanubrutinib + sonrotoclax combination achieving 92% 48-week uMRD rate and 100% 30-month PFS rate in treatment-naïve CLL/SLL. Study Design and PopulationThe study will consecutively enroll approximately 60 treatment-naïve CLL/SLL subjects meeting the 2025 Chinese CLL/SLL Diagnosis and Treatment Guidelines criteria, stratified into two groups:High-risk group (n=20): With 17p deletion (del17p) and/or TP53 mutationLow-risk group (n=40): Without del17p and/or TP53 mutationLow-risk group: Discontinue all treatment and enter observational follow-upHigh-risk group: Receive zanubrutinib monotherapy maintenance until disease progressionThis protocol is designed to systematically evaluate whether the delayed BCL-2i combination after extended BTKi induction improves MRD clearance, reduces toxicity, and optimizes long-term outcomes in treatment-naïve CLL/SLL, with tailored post-treatment management for high-risk populations to address their higher relapse risk.

연구 유형

중재적

등록 (추정된)

60

단계

  • 2 단계

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 연락처

연구 연락처 백업

연구 장소

  • 중국
    • Guangdong
      • Shenzhen, Guangdong, 중국
        • Shenzhen Second People's Hospital
        • 연락하다:
    • Henan
      • Zhengzhou, Henan, 중국
        • Henan Cancer Hospital
        • 연락하다:
    • Hunan
      • Changsha, Hunan, 중국
        • The Second Xiangya Hospital of Central South University
        • 연락하다:
    • Jiangsu
      • Nanjing, Jiangsu, 중국
        • Jiangsu Province Hospital
        • 연락하다:
    • Jiangxi
      • Nanchang, Jiangxi, 중국
        • The First Affiliated Hospital of Nanchang University
        • 연락하다:
    • Shandong
      • Jinan, Shandong, 중국
        • Qilu Hospital of Shandong University
        • 연락하다:
    • Tianjin Municipality
      • Tianjin, Tianjin Municipality, 중국, 300000
        • Blood Disease Hospital of Chinese Academy of Medical Sciences (Institute of Hematology, CAMS)
        • 연락하다:
        • 연락하다:

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

  • 성인
  • 고령자

건강한 자원 봉사자를 받아들입니다

아니

설명

Inclusion Criteria:

  1. Aged ≥18 years, no restriction on gender.
  2. Newly diagnosed chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) consistent with the Chinese Guidelines for the Diagnosis and Treatment of Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (2025 Edition).

  3. Meet at least one of the following indications for CLL treatment:

    1. Evidence of progressive bone marrow failure manifested by progressive reduction in hemoglobin and/or platelet counts.
    2. Massive splenomegaly (spleen palpable >6 cm below the left costal margin) or symptomatic splenomegaly.
    3. Bulky lymphadenopathy (maximum diameter >10 cm) or symptomatic lymphadenopathy.
    4. Progressive lymphocytosis: ≥50% increase in lymphocyte count within 2 months, or lymphocyte doubling time (LDT) <6 months. LDT alone shall not serve as an indication for treatment if the baseline lymphocyte count is <30×10⁹/L.
    5. Symptomatic organ dysfunction caused by CLL/SLL (involving skin, kidney, lung, spine and other organs).
    6. Autoimmune hemolytic anemia (AIHA) and/or immune thrombocytopenia (ITP) with inadequate response to corticosteroid therapy.

    7. At least one of the following disease-related B symptoms:

      • Unintentional weight loss ≥10% within the preceding 6 months without identifiable cause; ② Severe fatigue (ECOG performance status ≥2, inability to perform routine daily activities);

        ③ Unexplained fever >38.0 °C lasting ≥2 weeks without confirmed infection;

        ④ Unexplained night sweats persisting for more than 1 month without confirmed infection.

  4. ECOG performance status ≤2.

  5. Major organ function meets the following criteria within 7 days prior to treatment initiation:

    ￮ Hematology: platelet count ≥30×10⁹/L;

    ￮ Biochemistry: total bilirubin (TBIL) ≤1.5×upper limit of normal (ULN); alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤2.5×ULN; creatinine clearance ≥30 mL/min;

    ￮ Cardiac Doppler echocardiography: left ventricular ejection fraction (LVEF) ≥lower limit of normal (50%).

  6. Male and female participants agree to use effective contraception throughout the study period and for a minimum of 4 weeks after treatment completion.
  7. Estimated life expectancy ≥6 months.
  8. The patient voluntarily participates in the trial and signs the written informed consent form.

Exclusion Criteria:

  • 1. Previously received any systemic anti-tumor therapy for CLL/SLL. 2. Pathologically confirmed transformation to Richter's syndrome via biopsy. 3. Severe non-lymphoma-related hepatic or renal impairment defined as: ALT/AST >3×ULN or TBIL >2×ULN; creatinine clearance <30 mL/min or serum creatinine >2×ULN.

    4. Significant pre-existing renal, neurological, psychiatric, pulmonary, endocrine, metabolic, immune, cardiovascular or hepatic disease judged by the investigator to compromise trial participation.

    5. Other uncontrolled clinically significant medical conditions including but not limited to:

    a. Uncontrolled systemic infection (viral, bacterial, fungal); positive hepatitis B surface antigen with HBV-DNA >1000 IU/mL; positive anti-HCV antibody or detectable HCV-RNA; positive anti-HIV antibody.

    b. Active uncontrolled autoimmune diseases other than autoimmune cytopenias. 6. Clinical signs of central nervous system (CNS) dysfunction or documented CNS infiltration by disease.

    7. Received major surgery (excluding lymph node biopsy) within 14 days prior to enrollment or scheduled to undergo major surgery during trial treatment.

    8. Inability to swallow capsules, malabsorption syndrome, or severe gastrointestinal disorders including prior gastrectomy, small bowel resection, symptomatic inflammatory bowel disease, ulcerative colitis, partial or complete intestinal obstruction.

    9. Concurrent use of strong CYP3A inhibitors or inducers during study drug initiation and dose titration period.

    10. Pregnant or breastfeeding females; females of childbearing potential without reliable contraceptive measures.

    11. Clinically significant cardiovascular disease (NYHA cardiac functional class III/IV); history of myocardial infarction, malignant arrhythmia (including QTc ≥480 ms), inadequately controlled hypertension (systolic BP ≥150 mmHg, diastolic BP ≥100 mmHg) or unstable angina within 6 months before enrollment.

    12. Coagulopathy-related exclusion: long-term treatment with multiple high-dose anticoagulants with no possibility of short-term discontinuation; persistent uncontrolled active bleeding; or prior life-threatening irreversible bleeding events.

    13. History of severe hypersensitivity to any active ingredient or excipient of the investigational product.

    14. Systemic disorders that may impair patient compliance with trial requirements.

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 주 목적: 치료
  • 할당: 무작위화되지 않음
  • 중재 모델: 병렬 할당
  • 마스킹: 없음(오픈 라벨)

무기와 개입

참가자 그룹 / 팔
개입 / 치료
실험적: Low-risk group（Without del17p and/or TP53 mutation）
12 cycles of zanubrutinib monotherapy induction → 12 cycles of zanubrutinib combined with sonrotoclax → discontinuation of study drugs followed by regular follow-up
의약품: 12 cycles of zanubrutinib followed by 12 cycles of zanubrutinib in combination with sonrotoclax

12 cycles of zanubrutinib monotherapy induction → 12 cycles of zanubrutinib combined with sonrotoclax → discontinuation of study drugs followed by regular follow-up Zanubrutinib Dosage The total daily oral dose is 320 mg. The dosing schedule is 160 mg (2 × 80 mg capsules) twice daily, Sonrotoclax Dose Escalation Schedule

Cycle 13 Week 1 (C13W1):

Days 1-3: 1 mg daily (1 × 1 mg tablet); Days 4-7: 2 mg daily (2 × 1 mg tablets)

Cycle 13 Week 2 (C13W2):

Days 1-3: 5 mg daily (1 × 5 mg tablet); Days 4-7: 10 mg daily (2 × 5 mg tablets)

Cycle 13 Week 3 (C13W3):

Days 1-3: 20 mg daily (1 × 20 mg tablet); Days 4-7: 40 mg daily (2 × 20 mg tablets)

Cycle 13 Week 4 (C13W4):

Days 1-3: 80 mg daily (1 × 80 mg tablet); Days 4-7: 160 mg daily (2 × 80 mg tablets) Cycle 14 Week 1 (C14W1) and all subsequent cycles: 320 mg daily (4 × 80 mg tablets)
실험적: High-risk group(With del17p and/or TP53 mutation)
12 cycles of zanubrutinib followed by 12 cycles of zanubrutinib in combination with sonrotoclax, then zanubrutinib maintenance monotherapy until disease progression or intolerable toxicity occurs.
의약품: 12 cycles of zanubrutinib followed by 12 cycles of zanubrutinib in combination with sonrotoclax

12 cycles of zanubrutinib monotherapy induction → 12 cycles of zanubrutinib combined with sonrotoclax → discontinuation of study drugs followed by regular follow-up Zanubrutinib Dosage The total daily oral dose is 320 mg. The dosing schedule is 160 mg (2 × 80 mg capsules) twice daily, Sonrotoclax Dose Escalation Schedule

Cycle 13 Week 1 (C13W1):

Days 1-3: 1 mg daily (1 × 1 mg tablet); Days 4-7: 2 mg daily (2 × 1 mg tablets)

Cycle 13 Week 2 (C13W2):

Days 1-3: 5 mg daily (1 × 5 mg tablet); Days 4-7: 10 mg daily (2 × 5 mg tablets)

Cycle 13 Week 3 (C13W3):

Days 1-3: 20 mg daily (1 × 20 mg tablet); Days 4-7: 40 mg daily (2 × 20 mg tablets)

Cycle 13 Week 4 (C13W4):

Days 1-3: 80 mg daily (1 × 80 mg tablet); Days 4-7: 160 mg daily (2 × 80 mg tablets) Cycle 14 Week 1 (C14W1) and all subsequent cycles: 320 mg daily (4 × 80 mg tablets)

의약품: zanubrutinib maintenance until disease progression
Continuous zanubrutinib monotherapy until disease progression or intolerable toxicity occurs.

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
uMRD rate
기간: At the end of 12 cycles (each cycle is 28 days) of combination therapy
Proportion of patients achieving undetectable minimal residual disease (uMRD, defined as MRD <10-⁴, fewer than 1 CLL cell per 10,000 leukocytes)
At the end of 12 cycles (each cycle is 28 days) of combination therapy

2차 결과 측정

결과 측정
측정값 설명
기간
Objective Response Rate
기간: At the end of 12 cycles (each cycle is 28 days) of combination therapy
The proportion of patients who achieve a Complete Response (CR) and a Partial Response (PR) according to standardized criteria
At the end of 12 cycles (each cycle is 28 days) of combination therapy
Complete Response Rate
기간: At the end of 12 cycles (each cycle is 28 days) of combination therapy
The percentage of patients who meet the stringent criteria for Complete Remission
At the end of 12 cycles (each cycle is 28 days) of combination therapy
Duration of Response
기간: up to 8 years
The time from the first documented objective response (CR or PR) until disease progression (PD) or death from any cause.
up to 8 years
Progression-Free Survival
기간: up to 8 years
The time from treatment initiation (or randomization) to disease progression or death
up to 8 years
Overall Survival
기간: up to 8 years
The time from treatment initiation (or randomization) to death from any cause
up to 8 years

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

Yi Shuhua

협력자

BeOne Medicines

수사관

  • 수석 연구원: Shuhua Yi, Docter, Blood Disease Hospital of Chinese Academy of Medical Sciences (Institute of Hematology, CAMS)

간행물 및 유용한 링크

연구에 대한 정보 입력을 담당하는 사람이 자발적으로 이러한 간행물을 제공합니다. 이것은 연구와 관련된 모든 것에 관한 것일 수 있습니다.

일반 간행물

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (추정된)

2026년 6월 8일

기본 완료 (추정된)

2029년 12월 31일

연구 완료 (추정된)

2034년 8월 1일

연구 등록 날짜

최초 제출

2026년 6월 2일

QC 기준을 충족하는 최초 제출

2026년 6월 28일

처음 게시됨 (실제)

2026년 7월 2일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 7월 2일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 6월 28일

마지막으로 확인됨

2026년 6월 1일

추가 정보

이 연구와 관련된 용어

키워드

추가 관련 MeSH 약관

기타 연구 ID 번호

  • IIT2026068

개별 참가자 데이터(IPD) 계획

개별 참가자 데이터(IPD)를 공유할 계획입니까?

예

IPD 계획 설명

only IPD used in the results publication

IPD 공유 기간

June 2026-January 2030

IPD 공유 액세스 기준

Researchers who are interested in the study can obtain the above information by sending an email to my mailbox

IPD 공유 지원 정보 유형

  • 연구_프로토콜
  • ICF

약물 및 장치 정보, 연구 문서

미국 FDA 규제 의약품 연구

아니

미국 FDA 규제 기기 제품 연구

아니

미국에서 제조되어 미국에서 수출되는 제품

아니

이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .

구독하다