Skip to content

A Phase 1b/2, Open-Label, Safety and Efficacy Study of Epcoritamab (GEN3013; DuoBody®-CD3 X CD20) in Relapsed/Refractory Chronic Lymphocytic Leukemia and Richter's Syndrome

Status
Recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-504828-25-00
Acronym
GCT3013-03
Enrollment
125
Registered
2024-05-14
Start date
2020-11-16
Completion date
Unknown
Last updated
2025-11-20

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

Conditions

Chronic Lymphocytic Leukemia

Brief summary

Monotherapy Cohorts (R/R CLL) • Incidence of DLTs • Incidence and severity of AEs and SAEs. • Incidence and severity of CRS, ICANS and TLS, Monotherapy (R/R CLL [Arm 1 and 1A] and RS [Arm 2A]): • ORR, Dose Escalation Venetoclax Combination Therapy (R/R CLL) • Incidence of DLTs • Incidence and severity of AEs, Expansion Venetoclax Combination Therapy in R/R CLL (Arm 3) • ORR as assessed by the IRC, Expansion Lenalidomide Combination Therapy in RS (Arm 2B) and R CHOP Combination Therapy in RS (Arm 2C) • ORR as assessed by the IRC

Detailed description

Monotherapy (R/R CLL [Arm 1] and RS [Arm 2A]), Expansion Lenalidomide Combination Therapy in RS (Arm 2B) and R CHOP Combination Therapy in RS (Arm 2C): • DOR • CR rate (both cohorts)/CRi rate (CLL cohort only) • PR/nPR rate • TTR • PFS • OS • TTNT • Incidence and severity of AEs and SAEs. • Incidence and severity of CRS, ICANS, and CTLS • PK parameters • Incidence of overall MRD negativity • Duration of MRD negativity • Incidence of ADAs to epcoritamab, Dose Escalation Venetoclax Combination Therapy (R/R CLL) • ORR • DOR • CR/CRi rate • TTR • PFS • OS • TTNT • PK parameters • Incidence of overall MRD negativity • Duration of MRD negativity • Incidence of ADAs to epcoritamab, Safety Run-in Pirtobrutinib Combination Therapy (R/R CLL – Cohort CP1) • ORR • DOR • CR/CRi rate • TTR • PFS • OS • TTNT • PK parameters • Incidence of overall MRD negativity • Incidence of MRD negativity 3 months after Day 1 of last cycle • Duration of MRD negativity • Incidence of ADAs to epcoritamab, Expansion Pirtobrutinib Combination Therapy in R/R CLL (Arm 4) • ORR • DOR • CR/CRi rate • TTR • PFS • OS • TTNT • Incidence and severity of AEs and SAEs • Incidence and severity of CRS, ICANS, and CTLS • PK parameters • Incidence of overall MRD negativity • Incidence of MRD negativity 3 months after Day 1 of last cycle • Duration of MRD negativity • Incidence of ADAs to epcoritamab

Interventions

DRUGJaypirca 50 mg film-coated tablets
DRUGEpcoritamab
DRUGPREDNISOLONE
DRUGCYCLOPHOSPHAMIDE
DRUGRITUXIMAB
DRUGVENETOCLAX
DRUGVINCRISTINE
DRUGDOXORUBICIN
DRUGLENALIDOMIDE

Sponsors

Genmab A/S
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Monotherapy Cohorts (R/R CLL) • Incidence of DLTs • Incidence and severity of AEs and SAEs. • Incidence and severity of CRS, ICANS and TLS, Monotherapy (R/R CLL [Arm 1 and 1A] and RS [Arm 2A]): • ORR, Dose Escalation Venetoclax Combination Therapy (R/R CLL) • Incidence of DLTs • Incidence and severity of AEs, Expansion Venetoclax Combination Therapy in R/R CLL (Arm 3) • ORR as assessed by the IRC, Expansion Lenalidomide Combination Therapy in RS (Arm 2B) and R CHOP Combination Therapy in RS (Arm 2C) • ORR as assessed by the IRC

Secondary

MeasureTime frame
Monotherapy (R/R CLL [Arm 1] and RS [Arm 2A]), Expansion Lenalidomide Combination Therapy in RS (Arm 2B) and R CHOP Combination Therapy in RS (Arm 2C): • DOR • CR rate (both cohorts)/CRi rate (CLL cohort only) • PR/nPR rate • TTR • PFS • OS • TTNT • Incidence and severity of AEs and SAEs. • Incidence and severity of CRS, ICANS, and CTLS • PK parameters • Incidence of overall MRD negativity • Duration of MRD negativity • Incidence of ADAs to epcoritamab, Dose Escalation Venetoclax Combination Therapy (R/R CLL) • ORR • DOR • CR/CRi rate • TTR • PFS • OS • TTNT • PK parameters • Incidence of overall MRD negativity • Duration of MRD negativity • Incidence of ADAs to epcoritamab, Safety Run-in Pirtobrutinib Combination Therapy (R/R CLL – Cohort CP1) • ORR • DOR • CR/CRi rate • TTR • PFS • OS • TTNT • PK parameters • Incidence of overall MRD negativity • Incidence of MRD negativity 3 months after Day 1 of last cycle • Duration of MRD negativity • Incidence of ADAs to epcoritamab, Expansion

Countries

Belgium, Czechia, Denmark, France, Germany, Italy, Netherlands, Poland, Spain

Outcome results

None listed

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