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Study to Compare the Effectiveness and Safety of Golcadomide Plus R-CHOP vs Placebo Plus R-CHOP in Participants With Previously Untreated High-risk Large B-cell Lymphoma

A Phase 3, Multicenter, Randomized, Double-blind, Placebo-controlled Study Comparing the Efficacy and Safety of Golcadomide Plus R-CHOP Chemotherapy vs Placebo Plus R-CHOP Chemotherapy in Participants With Previously Untreated High-risk Large B-cell Lymphoma (GOLSEEK-1)

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06356129
Acronym
GOLSEEK-1
Enrollment
850
Registered
2024-04-10
Start date
2024-06-19
Completion date
2029-11-20
Last updated
2026-02-12

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

Conditions

Large B-cell Lymphoma

Keywords

Lymphoma, Large B-Cell, Lymphoma, BMS-986369, CC-99282, DLBCL

Brief summary

The purpose of this study is to compare the effectiveness and safety of golcadomide in combination with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) chemotherapy vs placebo in combination with R-CHOP chemotherapy in participants with previously untreated high-risk large B-cell lymphoma (LBCL).

Interventions

DRUGDoxorubicin

Specified dose on specified days

DRUGVincristine

Specified dose on specified days

DRUGPrednisone

Specified dose on specified days

DRUGRituximab

Specified dose on specified days

DRUGCyclophosphamide

Specified dose on specified days

Specified dose on specified days

DRUGPlacebo

Specified dose on specified days

Sponsors

Celgene
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

\- Histologically confirmed (per local evaluation) diagnosis of de novo, previously untreated large B-cell lymphoma (LBCL) according to 2022 world health organization (WHO) classification including: i) Diffuse large B-cell lymphoma (DLBCL), not otherwise specified \[including germinal center B-cell (GCB) and activated B-cell (ABC) types\] ii) High-grade B-cell lymphoma, with MYC and BCL2 rearrangements (HGBL-MYC/BCL2 double-hit lymphomas) iii) High-grade B-cell lymphoma, not otherwise specified iv) T-cell/histiocyte/rich large B-cell lymphoma (THRLBCL) v) Epstein-Barr virus + DLBCL * International Prognostic Index (IPI) score 1 or 2 with lactate dehydrogenase (LDH) \> 1.3 x upper limit of normal (ULN) and/or bulky disease defined as single lesion of ≥ 7 cm OR IPI ≥ 3. * Measurable disease defined by at least 1 fluorodeoxyglucose (FDG)-avid lesion for FDG-avid subtype and 1 bi-dimensionally measurable (\> 1.5 cm in longest diameter) disease by computed tomography (CT) or magnetic resonance imaging (MRI), as defined by the Lugano classification. * Must have Ann Arbor Stage II-IV disease.

Exclusion criteria

* Any significant medical condition, active infection, laboratory abnormality, or psychiatric illness that would prevent the participant from participating in the study. * Any other subtype of lymphoma. Cases of primary mediastinal (thymic) large B-cell lymphoma (PMBCL), primary cutaneous DLBCL-leg type, Grade 3b FL, indolent lymphoma transformed to large B-cell lymphoma (LBCL), Anaplastic lymphoma kinase (ALK) positive large B-cell lymphoma, primary effusion lymphoma, and Burkitt lymphoma. * Documented or suspected central nervous system (CNS) involvement by lymphoma. * Other protocol-defined Inclusion/

Design outcomes

Primary

MeasureTime frame
Progression-free survival (PFS) assessed by the InvestigatorUp to approximately 67 months

Secondary

MeasureTime frame
PFS assessed by the InvestigatorUp to approximately 67 months
Overall survival (OS)Up to approximately 67 months
Event-free survival (EFS)Up to approximately 67 months
Complete Metabolic Response assessed by the Independent Response Adjudication Committee (IRAC)Up to approximately 18 weeks
Minimal residual disease (MRD) negativity rateUp to approximately 18 weeks
Progression-free survival (PFS) assessed by the IRACUp to approximately 47 months
Objective response (OR) assessed by the InvestigatorUp to approximately 18 weeks
Complete metabolic response (CMR) assessed by the InvestigatorUp to approximately 18 weeks
PFS24 assessed by the Investigator 24 months after randomizationUp to 24 months
Duration of response (DoR)Up to approximately 67 months
Second progression-free survival (PFS2) assessed by the InvestigatorUp to approximately 67 months
Relative dose intensity (%)Up to 18 weeks
Time from randomization to meaningful improvement in primary domains of interest in the European Organization for Research and Treatment of Cancer - Quality of Life C30 (EORTC QLQ-C30) QuestionnaireUp to approximately 67 months
Time from randomization to meaningful improvement in primary domains of interest in the Functional Assessment of Cancer Treatment-Lymphoma (FACT-LymS) QuestionnaireUp to approximately 67 months
Mean change from baseline in the EORTC QLQ-C30Up to approximately 67 months
Mean change from baseline in the FACT-LymSUp to approximately 67 months
Number of participants with Adverse Events (AEs)Up to approximately 20 weeks
Number of participants with treatment-emergent adverse events (TEAEs)Up to approximately 20 weeks
Number of participants with laboratory abnormalitiesUp to approximately 20 weeks
Number of participants with vital sign abnormalitiesUp to approximately 20 weeks

Countries

Argentina, Australia, Austria, Brazil, Bulgaria, Canada, Chile, China, Colombia, Czechia, Denmark, Finland, France, Germany, Greece, Hungary, India, Italy, Japan, Malaysia, Mexico, Netherlands, New Zealand, Norway, Poland, Portugal, Puerto Rico, Romania, Saudi Arabia, Singapore, Slovakia, South Korea, Spain, Sweden, Taiwan, Thailand, Turkey (Türkiye), United States

Contacts

STUDY_DIRECTORBristol-Myers Squibb

Bristol-Myers Squibb

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 13, 2026