A Phase 3 Open-Label, Randomized Study of Pirtobrutinib (LOXO-305) versus Ibrutinib in Patients with Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (BRUIN-CLL-314)

Cancer Categories

Hematologic (Blood Cancers)

Karmanos Trial ID

2022-057

NCT ID

NCT05254743

Age Group

Adult

Scope

National

Phase

Phase III

Principal Investigator

Jay
Yang, M.D.
Oncology - Hematology, Oncology - Medical View Profile

Objective:

Primary Objectives: To evaluate ORR of pirtobrutinib (Arm A) compared to ibrutinib (Arm B) Secondary Objectives: To evaluate the effectiveness of Arm A compared to Arm B based on EFS, PFS, ORR, DOR, OS, and TTNT To evaluate the safety and tolerability of each treatment arm To evaluate the patient-reported outcomes of Arm A compared to Arm B

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Eligibility

Inclusion Criteria:

Confirmed diagnosis of CLL/SLL requiring therapy per iwCLL 2018 criteria
Eastern Cooperative Oncology Group (ECOG) Performance Status 0-2
Adequate organ function

Platelets greater than or equal to (≥)50 x 10⁹/liter (L) or ≥30 x 10⁹/L in participants with documented bone marrow involvement considered to impair hematopoiesis,
Hemoglobin ≥8 grams/deciliter (g/dL) or ≥6 g/dL in participants with documented bone marrow involvement considered to impair hematopoiesis
Absolute neutrophil count ≥0.75 x 10⁹/L or ≥0.50 × 10⁹/L in participants with documented bone marrow involvement considered to impair hematopoiesis
Kidney function: Estimated creatinine clearance ≥30 milliliters per minute (mL/min)

Exclusion Criteria:

Known or suspected Richter's transformation to diffuse large B-cell lymphoma (DLBCL), prolymphocytic leukemia, or Hodgkin's lymphoma at any time preceding enrollment
Known or suspected central nervous system (CNS) involvement
A significant history of renal, neurologic, psychiatric, endocrine, metabolic or immunologic disease
Active uncontrolled auto-immune cytopenia (e.g., autoimmune hemolytic anemia [AIHA], idiopathic thrombocytopenic purpura [ITP])
Significant cardiovascular disease including ejection fraction < 40% and any grade ongoing atrial fibrillation or atrial flutter
Hepatitis B or hepatitis C testing indicating active/ongoing infection, based on Screening laboratory tests
Active cytomegalovirus (CMV) infection
Active uncontrolled systemic bacterial, viral, or fungal infection
Known human immunodeficiency virus (HIV) infection, regardless of cluster of differentiation 4 (CD4) count
Clinically significant active malabsorption syndrome or other condition likely to affect GI absorption of the oral-administered study treatments
Ongoing inflammatory bowel disease
Prior exposure to BTK inhibitor (covalent or noncovalent)
Concurrent use of investigational agent or anticancer therapy except hormonal therapy
Participants requiring therapeutic anticoagulation with warfarin or another Vitamin K antagonist
Use of ≥ 20 mg prednisone daily or equivalent dose of steroid at the time of first dose of study drug
Vaccination with a live vaccine within 28 days prior to randomization
Participants receiving chronic therapy with a strong cytochrome P450 (CYP)3A inhibitor (except posaconazole and voriconazole) which cannot be stopped within 3-5 half lives of the CYP3A inhibitor therapy prior to start of study drug treatment
Participants with known hypersensitivity, including anaphylaxis, to any component or excipient of pirtobrutinib or ibrutinib

Locations

Karmanos Cancer Institute - Detroit Headquarters

4100 John R
Detroit, MI 48201
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Phone: 800-527-6266

Karmanos Cancer Institute at Weisberg Cancer Center - Farmington Hills

31995 Northwestern Hwy
Farmington Hills, MI 48334
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Phone: 800-527-6266

Applicable Disease Site

Therapies, Drugs, Devices