Clinical trial Recruiting at 16 sites Phase 2 Interventional Ages 18 to 130

Acalabrutinib and Venetoclax for relapsed CLL/SLL after initial BTKi+BCL2i response

Official title: The MAVRiC Study: A Phase II Study of Disease Risk Mutation Guided Finite Duration Acalabrutinib Plus Venetoclax for Relapse in CLL/SLL After First-line Finite Covalent BTKi Plus BCL2i Combination, With or Without Obinutuzumab

Run by AstraZeneca · NCT07024706 · Data updated 2026-11-12

This trial tests a finite-duration combination of acalabrutinib and venetoclax in adults whose CLL or SLL has relapsed after a first-line BTKi+BCL2i therapy and who had at least 2 years of response.

Quick facts

PhasePhase 2
Study typeInterventional
Ages18 Years to 130 Years
SexAll
Enrollment80 (estimated)
SponsorAstraZeneca
Industry-sponsored
Drugs / interventionsobinutuzumab, acalabrutinib
Locations47 sites (Boston, Massachusetts and 46 other locations)
StatusRecruiting
StartedJune 4, 2026
Main results expectedMay 1, 2029
Study endsMarch 23, 2033
Registry record updatedOctober 23, 2026
Trial IDNCT07024706 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults (≥18) with relapsed CLL/SLL who previously responded to a single prior fixed-duration BTKi+BCL2i regimen for ≥2 years and meet the specified genetic risk criteria.

Probably not a fit

Patients without prior durable response to 1L therapy or without the defined IGHV/TP53 risk profile may have limited or no benefit.

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

What this trial studies

This phase 2 study investigates whether a fixed-duration treatment with acalabrutinib plus venetoclax can provide an effective second-line option for relapsed CLL/SLL patients who previously responded to first-line BTKi+BCL2i therapy. Eligible participants are adults with relapsed disease who achieved PR or better for at least 2 years after 1L therapy and have specified IGHV/TP53 risk profiles. The study will assess overall response rate and safety over up to 5 years per participant, with groups defined by disease risk. Treatment consists of acalabrutinib and venetoclax, followed by post-treatment follow-up after the intervention.

Why it matters

Potential benefit: If successful, participants may achieve a meaningful reduction in disease burden with a manageable safety profile and a defined treatment window.

How similar studies have gone: Previous relapsed CLL/SLL studies using BTKi+BCL2i have shown activity in similar contexts, but this exact AV combination as 2L therapy after 1L response is being explored in this trial.

Who can join: the full rules

Show full inclusion / exclusion criteria
Main Inclusion Criteria:

1. Participant must be ≥ 18 years at the time of signing informed consent.
2. Diagnosis of relapsed CLL/SLL according to iwCLL guidelines 2018 (Hallek et al. 2018) in need of treatment.
3. Participants must have received only one prior first line treatment with fixed duration covalent BTKi plus BCL2i therapy (± obinutuzumab) with a response ≥ PR (i.e., CR, CRi, nPR, or PR) for a minimum of 2 years since the end of the prior 1L treatment.
4. The following data must be available or at least the appropriate samples drawn/acquired prior to dosing:

   1. IGHV (mutated vs. unmutated)
   2. del(17p) (present or absent)
   3. TP53 mutation (present or absent)
5. ECOG performance status 0, 1 or 2
6. Adequate organ and bone marrow (BM) function.

Main Exclusion Criteria:

1. Any evidence of diseases that, in the investigator's opinion, makes it undesirable for patient to participate in the study.
2. Significant cardiovascular or cerebrovascular disease.
3. Active bleeding or history of bleeding diathesis (e.g., hemophilia or von Willebrand disease).
4. Child-Pugh B/C liver cirrhosis.
5. History of prior or current malignancy.
6. HIV positive
7. History of progressive multifocal leukoencephalopathy (PML).
8. Active hepatitis B or C infection:
9. Corticosteroid use \> 20 mg within 1 week before the first dose of study intervention.
10. History of hypersensitivity or anaphylaxis to study intervention(s).
11. Requires treatment with a strong CYP3A4 inhibitor/inducer.
12. Requires or receiving anticoagulation with warfarin or equivalent vitamin K antagonists.
13. Major surgical procedure within 30 days of the first dose of study intervention.

Where it's running

  • Research Site
    Boston, Massachusetts, United States
    Recruiting
  • Research Site
    Charlotte, North Carolina, United States
    Recruiting
  • Research Site
    Durham, North Carolina, United States
    Recruiting
  • Research Site
    Winston-Salem, North Carolina, United States
    Recruiting
  • Research Site
    Horn, Austria
    Recruiting
  • Research Site
    Dublin, Ireland
    Recruiting
Show 41 more locations
  • Research Site
    Dublin, Ireland
    Recruiting
  • Research Site
    Meldola, Italy
    Recruiting
  • Research Site
    Padua, Italy
    Recruiting
  • Research Site
    Ravenna, Italy
    Recruiting
  • Research Site
    Barcelona, Spain
    Recruiting
  • Research Site
    Barcelona, Spain
    Recruiting
  • Research Site
    Granada, Spain
    Recruiting
  • Research Site
    Madrid, Spain
    Recruiting
  • Research Site
    Madrid, Spain
    Recruiting
  • Research Site
    Majadahonda, Spain
    Recruiting
  • Research Site
    Charlotte, North Carolina, United States
    Withdrawn
  • Research Site
    Goiânia, Brazil
    Not yet recruiting
  • Research Site
    Porto Alegre, Brazil
    Not yet recruiting
  • Research Site
    Porto Alegre, Brazil
    Not yet recruiting
  • Research Site
    São Paulo, Brazil
    Not yet recruiting
  • Research Site
    São Paulo, Brazil
    Not yet recruiting
  • Research Site
    Brno, Czechia
    Not yet recruiting
  • Research Site
    Hradec Kralova, Czechia
    Not yet recruiting
  • Research Site
    Ostrava, Czechia
    Not yet recruiting
  • Research Site
    Milan, Italy
    Not yet recruiting
  • Research Site
    Milan, Italy
    Withdrawn
  • Research Site
    Milan, Italy
    Not yet recruiting
  • Research Site
    Rome, Italy
    Withdrawn
  • Research Site
    Torino, Italy
    Withdrawn
  • Research Site
    Bydgoszcz, Poland
    Not yet recruiting
  • Research Site
    Krakow, Poland
    Withdrawn
  • Research Site
    Lodz, Poland
    Withdrawn
  • Research Site
    Lublin, Poland
    Not yet recruiting
  • Research Site
    Warsaw, Poland
    Not yet recruiting
  • Research Site
    Warsaw, Poland
    Not yet recruiting
  • Research Site
    Madrid, Spain
    Not yet recruiting
  • Research Site
    Oviedo, Spain
    Not yet recruiting
  • Research Site
    Seville, Spain
    Not yet recruiting
  • Research Site
    Zaragoza, Spain
    Not yet recruiting
  • Research Site
    Colchester, United Kingdom
    Not yet recruiting
  • Research Site
    Derby, United Kingdom
    Not yet recruiting
  • Research Site
    Edgbaston, United Kingdom
    Not yet recruiting
  • Research Site
    Exeter, United Kingdom
    Not yet recruiting
  • Research Site
    Leeds, United Kingdom
    Not yet recruiting
  • Research Site
    London, United Kingdom
    Not yet recruiting
  • Research Site
    Southampton, United Kingdom
    Not yet recruiting

Study contacts

Similar studies

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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.