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A Prospective, Open-Label, Multicenter Randomized Phase III Study to Compare the Efficacy and Safety of a Combined Regimen of Venetoclax and Obinutuzumab Versus Fludarabine, Cyclophosphamide, and Rituximab (FCR)/ Bendamustine and Rituximab (BR) in FIT Patients with previously untreated Chronic Lymphocytic Leukemia (CLL) without DEL(17P) or TP53 Mutation

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-504036-17-00
Acronym
CO41685
Enrollment
121
Registered
2024-07-29
Start date
2020-05-07
Completion date
2025-03-18
Last updated
2025-04-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Lymphocytic Leukemia (CLL)

Brief summary

1. MRD response rate measured in PB using next‑generation sequencing (NGS) at Month 15

Detailed description

1. Progression-free survival, 2. MRD response rate, in PB at end of treatment response visit, 3. MRD response rate in BM at end of treatment response visit, 4. ORR which includes complete remission (CR), complete remission with incomplete blood count recovery (Cri), and partial response (PR) at the Month 15 assessment, 5. Complete response rate at the Month 15 assessment, 6. MRD response rate in PB in patients with a complete remission /complete remission with incomplete blood count recovery (CR/Cri) at Month 15, 7. MRD response rate in BM in patients with a CR/CRi at end of treatment visit, 8. Best response up to and including the Month 15 assessment, 9. Duration of objective response, 10. Event-free survival, 11. Overall survival, 12. Tumor lysis syndrome risk reduction rate in Arm A, 13. Reduction in mandatory hospitalizations during venetoclax ramp-up in Arm A, 14. Changes in vital signs, physical findings, and clinical laboratory test results during and following study treatment, 15. Premature withdrawals, 16. Change in disease and treatment-related symptoms following treatment with the combination of VEN + G compared with FCR/BR in patients with previously untreated CLL without del (17p) or TP53 mutation as measured by MDASI-CLL, 17. Change in physical functioning, role functioning and health-related quality of life following treatment with the combination of VEN + G compared with FCR/BR in patients with previously with previously untreated CLL without del(17p) or TP53 mutation as measured by EORTC QLQ-C30, 18. Nature, frequency, and severity of adverse events and serious adverse event

Interventions

DRUGopløsning
DRUGFludarabin Ebewe 25 mg/ml injektio-/infuusiokonsentraatti
DRUGFludarabin Sandoz 25 mg/ml injekčný alebo infúzny koncentrát
DRUGMabThera 500 mg concentrate for solution for infusion
DRUGBendamustin cell pharm® 2
DRUGFludarabine „Ebewe” 25 mg/ml
DRUGsüste-/infusioonilahuse kontsentraat
DRUGGazyvaro 1
DRUG000 mg concentrate for solution for infusion.

Sponsors

F. Hoffmann-La Roche AG
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
1. MRD response rate measured in PB using next‑generation sequencing (NGS) at Month 15

Secondary

MeasureTime frame
1. Progression-free survival, 2. MRD response rate, in PB at end of treatment response visit, 3. MRD response rate in BM at end of treatment response visit, 4. ORR which includes complete remission (CR), complete remission with incomplete blood count recovery (Cri), and partial response (PR) at the Month 15 assessment, 5. Complete response rate at the Month 15 assessment, 6. MRD response rate in PB in patients with a complete remission /complete remission with incomplete blood count recovery (CR/Cri) at Month 15, 7. MRD response rate in BM in patients with a CR/CRi at end of treatment visit, 8. Best response up to and including the Month 15 assessment, 9. Duration of objective response, 10. Event-free survival, 11. Overall survival, 12. Tumor lysis syndrome risk reduction rate in Arm A, 13. Reduction in mandatory hospitalizations during venetoclax ramp-up in Arm A, 14. Changes in vital signs, physical findings, and clinical laboratory test results during and following study treatment,

Countries

France, Italy, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026