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RecruitingLast updated: 8 January 2024

BRUIN CLL-322: This phase III trial is trying to understand how safe and effective combining three types of targeted therapy (pirtobrutinib, venetoclax and rituximab) is, compared to a combination of two targeted therapies (venetoclax and rituximab) in people with chronic lymphocytic leukaemia or small lymphocytic lymphoma that have previously had treatmentA Phase 3 Open-Label, Randomized Study of Fixed Duration Pirtobrutinib (LOXO-305) Plus Venetoclax and Rituximab Versus Venetoclax and Rituximab in Previously Treated Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (BRUIN CLL-322)

Clinical summary

Summary

This is a randomised trial with two arms. In the Experimental Arm, participants will receive fixed duration pirtobrutinib (administered orally), in combination with venetoclax (administered orally) and rituximab (administered intravenously). In the Active Comparator Arm, participants will receive venetoclax (administered orally) and rituximab (administered intravenously).

Conditions

This trial is treating patients with chronic lymphocytic leukaemia and small lymphocytic lymphoma

Cancer

Blood Cancers Haematological

Age

People18+

Phase

III

Trial Acronym

BRUIN CLL-322

More information

Trial Identifiers

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Trial sponsor

Loxo Oncology, Inc.

Scientific Title

A Phase 3 Open-Label, Randomized Study of Fixed Duration Pirtobrutinib (LOXO-305) Plus Venetoclax and Rituximab Versus Venetoclax and Rituximab in Previously Treated Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (BRUIN CLL-322)

Eligibility

Inclusion

  • Confirmed diagnosis of CLL/SLL requiring therapy per iwCLL 2018 criteria
  • Previous treatment with at least one line of therapy that may include a covalent Bruton's tyrosine kinase (BTK) inhibitor
  • Platelets greater than or equal to (≥)50 x 10⁹/liter (L), hemoglobin ≥8 grams/deciliter (g/dL) and absolute neutrophil count ≥1.0 x 10⁹/L
  • Adequate organ function
  • Eastern Cooperative Oncology Group (ECOG) Performance Status 0-2
  • Estimated creatinine clearance ≥30 milliliters per minute (mL/min)

Exclusion

  • Known or suspected Richter's transformation at any time preceding enrollment
  • Prior therapy with a non-covalent (reversible) BTK inhibitor
  • Patients requiring therapeutic anticoagulation with warfarin or another Vitamin K antagonist
  • Current treatment with strong cytochrome P450 (CYP) 3A4 (CYP3A4) inhibitors or inducers
  • Prior therapy with venetoclax
  • Central nervous system (CNS) involvement
  • Active uncontrolled systemic bacterial, viral, fungal, or parasitic infection
  • Known human immunodeficiency virus (HIV) infection, regardless of cluster of differentiation 4 (CD4) count
  • Allogeneic stem cell transplantation (SCT) or chimeric antigen receptor (CAR)-T within 60 days
  • Active hepatitis B or hepatitis C
  • Known active cytomegalovirus (CMV) infection
  • Uncontrolled immune thrombocytopenic purpura (ITP) or autoimmune hemolytic anemia (AIHA)
  • Significant cardiovascular disease
  • Vaccination with a live vaccine within 28 days prior to randomization
  • Patients with the following hypersensitivity:

    • Known hypersensitivity to any component or excipient of pirtobrutinib and venetoclax
    • Prior significant hypersensitivity to rituximab
    • Known allergy to allopurinol and inability to take uric acid lowering agent

Inclusion

  • You are able to swallow medication by mouth.
  • You have had treatment but your cancer has gotten worse or has not responded to the treatment you have been given.

Exclusion

  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
Message

Clinical trials have complex eligibility criteria.

Ask your doctor if this trial could be right for you.

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