Phase I/II, FIH, Dose Escalation Trial of TL-895 and Expansion of TL-895 Monotherapy and Combination Therapy With Navtemadlin in Tx-Naïve and R/R CLL/SLL Subjects

Summary

The purpose of this research study is to determine the safety and tolerability of TL-895. There are 2 parts of this study. Part 1 tested increasing doses of TL-895 to identify the recommended safe dose for participants with relapsed/refractory (R/R) B cell malignancies who failed at least 1 but no more than 3 prior therapies. Part 1 of this study is no longer enrolling participants. Arms 1 \& 2 of Part 2 of this study will test different doses of TL-895 in participants with R/R CLL or SLL who have failed at least 1 prior therapy. Arms 1 \& 2 of Part 2 of this study is randomized (like the flip of a coin) to receive a specific treatment dose. If someone participates in arms 1 or 2 of Part 2, the dose they receive will be either 100mg twice a day or 150mg twice a day. Arms 3 and 4 of Part 2 of this study will test the 150mg and 100mg BID dose of TL-895, respectively in treatment naïve participants with CLL/SLL. Arms 5 and 6 of Part 2 will test 150mg TL-895 BID in combination with 240 mg navtemadlin QD in participants with relapsed/refractory and treatment naïve without 17p(del). Arm 7 will test 150mg TL-895 in combination with 240 mg navtemadlin QD in participants with relapsed/refractory CLL/SLL with 17p(del). Every participant in this study will receive TL-895.

Timeline

Start

2016-08-26

Primary completion

2024-12-01

Completion

2025-12-01

Publications

• Background Eugenio Gaudio, Chiara Tarantelli, Emanuele Zucca, Davide Rossi, Anastasios Stathis, Francesco Bertoni. The two novel BTK-inhibitors M2951 and M7583 show in vivo anti-tumor activity in pre-clinical models of B cell lymphoma [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2017; 2017 Apr 1-5; Washington, DC. Philadelphia (PA): AACR; Cancer Res 2017;77(13 Suppl):Abstract nr 4182. doi:10.1158/1538-7445.AM2017-4182
• Background Goodstal SM, Lin J, Crandall T, Crowley L, Bender AT, Pereira A, Soloviev M, Wesolowski JS, Iadevaia R, Schelhorn SE, Ross E, Morandi F, Ma J, Clark A. Preclinical evidence for the effective use of TL-895, a highly selective and potent second-generation BTK inhibitor, for the treatment of B-cell malignancies. Sci Rep. 2023 Nov 21;13(1):20412. doi: 10.1038/s41598-023-47735-z.
• Background Jurczak W, Rule S, Townsend W, Tucker D, Sarholz B, Scheele J, Dyroff M, Gribben JG, Dlugosz-Danecka M, Zinzani PL. Phase I, first-in-human trial of Bruton's tyrosine kinase inhibitor M7583 in patients with B-cell malignancies. Leuk Lymphoma. 2021 Oct;62(10):2392-2399. doi: 10.1080/10428194.2021.1913139. Epub 2021 Apr 24.

Drugs

Indications