Clinical Trial: NCT05023980
A Study of Pirtobrutinib (LOXO-305) Versus Bendamustine Plus Rituximab (BR) in Untreated Patients With Chronic Lymphocytic Leukemia (CLL)/Small Lymphocytic Lymphoma (SLL)
Status:
ACTIVE NOT RECRUITINGPhase:
Phase 3| Lead Sponsor: | Loxo Oncology, Inc. |
| Information Provided By: | Eli Lilly and Company |
| Last Update Posted: | 2026-09-25 |
Study Overview
Brief Summary
The purpose of this study is to compare the efficacy and safety of pirtobrutinib (LOXO-305; Arm A) compared to BR (Arm B) in patients with CLL/SLL who have not been treated. Participation could last up to five years.
Official Title
A Phase 3 Open-Label, Randomized Study of Pirtobrutinib (LOXO-305) Versus Bendamustine Plus Rituximab in Untreated Patients With Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma
Conditions
Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
Intervention / Treatment
- Drug: Pirtobrutinib
- Drug: Bendamustine
- Drug: Rituximab
Other Study ID Numbers
- 18088
- J2N-OX-JZNP
- LOXO-BTK-20023
- 2024-511599-33-00
Start Date (Actual)
2021-09-23
Primary Completion Date (Actual)
2025-07-11
Study Completion Date (Estimated)
2027-10
Enrollment (Actual)
282
Study Type
Interventional
Phase
Phase 3
| Lead Sponsor: | Loxo Oncology, Inc. |
| Information Provided By: | Eli Lilly and Company |
| Last Update Posted: | 2026-09-25 |
Study Overview
Brief Summary
The purpose of this study is to compare the efficacy and safety of pirtobrutinib (LOXO-305; Arm A) compared to BR (Arm B) in patients with CLL/SLL who have not been treated. Participation could last up to five years.
Official Title
A Phase 3 Open-Label, Randomized Study of Pirtobrutinib (LOXO-305) Versus Bendamustine Plus Rituximab in Untreated Patients With Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma
Conditions
Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
Intervention / Treatment
- Drug: Pirtobrutinib
- Drug: Bendamustine
- Drug: Rituximab
Other Study ID Numbers
- 18088
- J2N-OX-JZNP
- LOXO-BTK-20023
- 2024-511599-33-00
Start Date (Actual)
2021-09-23
Primary Completion Date (Actual)
2025-07-11
Study Completion Date (Estimated)
2027-10
Enrollment (Actual)
282
Study Type
Interventional
Phase
Phase 3