Clinical trial · Interventional
Study Evaluating the Efficacy and Safety of Idelalisib in Combination With Bendamustine and Rituximab for Previously Treated Chronic Lymphocytic Leukemia (CLL) (Tugela )
A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study Evaluating the Efficacy and Safety of Idelalisib (GS-1101) in Combination With Bendamustine and Rituximab for Previously Treated Chronic Lymphocytic Leukemia
- 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 primary objective of this study is to evaluate the effect of the addition of idelalisib (formerly GS-1101) to bendamustine + rituximab (BR) on progression-free survival (PFS) in participants with previously treated chronic lymphocytic leukemia (CLL)
Conditions
Conditions (1)
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 |
Interventions
Interventions (4)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Bendamustine | Drug | Bendamustine | ALIAS |
| Idelalisib | Drug | Idelalisib | ALIAS |
| Placebo to match idelalisib | Drug | — | UNRESOLVED |
| Rituximab | Drug | Rituximab | ALIAS |
Design
Arms and outcomes
Arms (2)
- type
- EXPERIMENTAL
- label
- Idelalisib+bendamustine+rituximab
- description
- Participants will receive idelalisib plus bendamustine and rituximab
- interventionNames
- Drug: Idelalisib
- Drug: Rituximab
- Drug: Bendamustine
- type
- PLACEBO_COMPARATOR
- label
- Placebo to match idelalisib+bendamustine+rituximab
- description
- Participants will receive placebo to match idelalisib plus bendamustine and rituximab
- interventionNames
- Drug: Rituximab
- Drug: Bendamustine
- Drug: Placebo to match idelalisib
Primary outcomes (1)
- measure
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
Show eligibility criteria text
Key Inclusion Criteria: * Previously treated recurrent CLL * Measurable lymphadenopathy * Requires therapy for CLL * Has experienced CLL progression \< 36 months since the completion of the last prior therapy Key Exclusion Criteria: * Recent history of a major non-CLL malignancy * Evidence of an ongoing infection * CLL refractory to bendamustine * Concurrent participation in another therapeutic clinical trial NOTE: Other protocol defined Inclusion/ Exclusion criteria may apply.
References
Publications (6)
- BACKGROUNDZelenetz AD, Robak T, et al. Idelalisib Plus Bendamustine and Rituximab (BR) Is Superior to BR Alone in Patients with Relapsed/Refractory Chronic Lymphocytic Leukemia: Results of a Phase 3 Randomized Double-Blind Placebo-Controlled Study. American Society ofHematology (ASH) 57th Annual Meeting & Exposition; 5-8 December 2015; Orlando, FL.
- BACKGROUNDBarrientos JC, Brown JR, et al. Results of a Randomized Double-Blind Placebo-Controlled Phase 3 study Evaluating Idelalisib in Combination with Bendamustine and Rituximab in Patients with Relapsed/Refractory CLL and Adverse Prognostic Features. American Society of Clinical Oncology (ASCO) 2016 Annual Meeting; 3-7 June 2016; Chicago, IL.
- BACKGROUNDHillmen, P, Ferra C, et al. Idelalisib in Combination with Bendamustine and Rituximab Improves Overall Survival in Patients with Relapsed/Refractory CLL: Interim Results of a Phase 3 Randomized Double-Blind Placebo-Controlled Study. European Hematology Association (EHA) 21st Annual Meeting; 9-12 June 2016; Copenhagen, Denmark.
- BACKGROUNDZelenetz AD, Brown JR et al. Updated Analysis of Overall Survival in Randomized Phase III Study of Idelalisib in Combination with Bendamustine and Rituximab in Patients with Relapsed/Refractory CLL. American Society of Hematology (ASH) 58th Annual Meeting & Exposition; 3-6 December 2016; San Diego, CA
- BACKGROUNDZelenetz AD, Barrientos JC, Brown JR, Coiffier B, Delgado J, Egyed M, Ghia P, Illes A, Jurczak W, Marlton P, Montillo M, Morschhauser F, Pristupa AS, Robak T, Sharman JP, Simpson D, Smolej L, Tausch E, Adewoye AH, Dreiling LK, Kim Y, Stilgenbauer S, Hillmen P. Idelalisib or placebo in combination with bendamustine and rituximab in patients with relapsed or refractory chronic lymphocytic leukaemia: interim results from a phase 3, randomised, double-blind, placebo-controlled trial. Lancet Oncol. 2017 Mar;18(3):297-311. doi: 10.1016/S1470-2045(16)30671-4. Epub 2017 Jan 28. PMID 28139405
- DERIVEDMontillo M, Illes A, Robak T, Pristupa AS, Wach M, Egyed M, Delgado J, Jurczak W, Morschhauser F, Schuh A, Eradat H, Shreay S, Barrientos JC, Zelenetz AD. Idelalisib addition has neutral to beneficial effects on quality of life in bendamustine/rituximab-treated patients: results of a phase 3, randomized, controlled trial. Health Qual Life Outcomes. 2019 Nov 15;17(1):173. doi: 10.1186/s12955-019-1232-8.