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Contact the study team using the details below to take part. If there are no contact details below please ask your doctor in the first instance.
Physicians interested in becoming principal investigators please contact
clinical_inquiry_hub@lilly.com
Trial questions or participation questions: 1-877-CTLILLY (1-877-285-4559) or
1-317-615-4559
LillyTrials@Lilly.com
Chronic Lymphocytic Leukemia Leukemia, Lymphocytic Leukemia, B-cell Small Lymphocytic Lymphoma
This information is provided directly by researchers, and we recognise that it isn't always easy to understand. We are working with researchers to improve the accessibility of this information. In some summaries, you may come across links to external websites. These websites will have more information to help you better understand the study.
The purpose of Part 1 of this study is to compare the efficacy and safety of pirtobruitinib (LOXO-305) to ibrutinib in participants with CLL/SLL; participants may or may not have already had treatment for their cancer. The purpose of Part 2 of this study evaluates pirtobrutinib monotherapy in treatment-naïve participants with CLL/SLL with 17p deletions. Participation could last up to six years for Part 1. Participation could last up to 2 years for Part 2.
Start dates may differ between countries and research sites. The research team are responsible for keeping the information up-to-date.
The recruitment start and end dates are as follows:
"Woyach JA, Qiu L, Grosicki S, Wrobel T, Capra M, Czyz J, Yi S, Eom KS, Panovska A, Jurczak W, Laribi K, Jacobasch L, Baker R, Agajanian R, Berkovits A, Ozcan M, Lepretre S, Coombs CC, Cramer P, Lewis KL, Hill M, Bao K, Bian Y, De Batista Ribeiro SR, Bhandari NR, Ruppert AS, Leow CC, Wierda WG. Pirtobrutinib Versus Ibrutinib in Treatment-Naive and Relapsed/Refractory Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma. J Clin Oncol. 2026 Feb 20;44(6):476-485. doi: 10.1200/JCO-25-02477. Epub 2025 Dec 7."; "41353787"
You can take part if:
You may not be able to take part if:
This is in the inclusion criteria above
Below are the locations for where you can take part in the trial. Please note that not all sites may be open.
Trial questions or participation questions: 1-877-CTLILLY (1-877-285-4559) or
1-317-615-4559
LillyTrials@Lilly.com
Physicians interested in becoming principal investigators please contact
clinical_inquiry_hub@lilly.com
The study is sponsored by Loxo Oncology, Inc.
Your feedback is important to us. It will help us improve the quality of the study information on this site. Please answer both questions.
You can print or share the study information with your GP/healthcare provider or contact the research team directly.
