Clinical trial · Interventional
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
Phase I/II, First in Human, Dose Escalation Trial of TL 895 Monotherapy in Subjects With Relapsed/Refractory B Cell Malignancies and Expansion of TL-895 Monotherapy and Combination Therapy With Navtemadlin in Treatment-Naïve Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma Subjects and Subjects With Relapsed/Refractory Chronic Lymphocytic Leukemia or Relapsed/Refractory Small Lymphocytic Lymphoma
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
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.
Conditions
Conditions (5)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Chronic Lymphocytic Leukemia | Chronic Lymphocytic Leukemia | ONTOLOGY_EXACT | 0.98 |
| Mantle Cell Lymphoma and Diffuse Large B Cell Lymphoma | — | UNRESOLVED | — |
| Relapsed/Refractory B Cell Malignancies | — | UNRESOLVED | — |
| Small Lymphocytic Lymphoma | Small Lymphocytic Lymphoma | ONTOLOGY_EXACT | 0.98 |
| Treatment-Naive B Cell Malignancies | — | UNRESOLVED | — |
Interventions
Interventions (2)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Navtemadlin | Drug | Navtemadlin | ALIAS |
| TL-895 | Drug | — | UNRESOLVED |
Design
Arms and outcomes
Arms (12)
- type
- EXPERIMENTAL
- label
- TL-895 80/160 mg QD in R/R Participants
- description
- Participants received TL-895 80 mg powder in capsule (PiC) orally once daily (OD) for 3 days followed by TL-895 160 mg OD in fasted state for 28 days in each 28 day cycle until disease progression, withdrawal of consent, or discontinuation from the study.
- interventionNames
- Drug: TL-895
- type
- EXPERIMENTAL
- label
- TL-895 300 mg QD in R/R Participants
- description
- Participants received TL-895 300 mg PiC orally OD in fasted state for 28 days in each 28 day cycle until disease progression, withdrawal of consent, or discontinuation from the study.
- interventionNames
- Drug: TL-895
- type
- EXPERIMENTAL
- label
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
Show eligibility criteria text
Inclusion Criteria * Relapsed/refractory CLL or relapsed/refractory SLL (Arms 1, 2, 5, and 7) * Treatment naïve CLL or SLL (Arm 3, 4, and 6) * ECOG performance status of ≤ 2 * Adequate hematologic, hepatic, and renal functions Exclusion Criteria * Prior treatment with any BTK or PI3K inhibitors * History of major organ transplant * Women who are pregnant or breastfeeding
References
Publications (3)
- BACKGROUNDEugenio 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
- BACKGROUNDGoodstal 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. PMID 37989777
- BACKGROUNDJurczak 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. PMID 33896333