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EB103

Phase 1

B-Cell Non-Hodgkin's Lymphoma (NHL) | Monoclonal antibody | Oncology |Estrella Immunopharma, Inc.|Trials Updated: Oct 1, 2026

EB103 development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Apr 2024

EB103 target and mechanism

Molecular targetCD19
ModalityMonoclonal antibody

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMC
Total Trials1
Total Enrollment27

FDA Designations

No designations recorded

EB103 clinical trials

EB103 · 1 trial · 15 indications

Phase 1 1
NCT06343311T-Cell Therapy (EB103) in Adults With Relapsed/Refractory B-Cell Non-Hodgkin's Lymphoma (NHL)B-Cell Non-Hodgkin's Lymphoma (NHL)
RECRUITING27 Analytics
PHASE1RECRUITING
T-Cell Therapy (EB103) in Adults With Relapsed/Refractory B-Cell Non-Hodgkin's Lymphoma (NHL)
B-Cell Non-Hodgkin's Lymphoma (NHL)Unlock trial analytics

Study Endpoints

Primary Endpoints

To assess the safety and tolerability of EB103.
Up to 2 years (active assessment period); additional long-term follow-up (LTFU) up to 15 years

Type, frequency, and severity of adverse events (AEs), including treatment-emergent AEs (TEAEs), treatment-related AEs (TRAEs), serious adverse events (SAEs), adverse events of special interest (AESIs), clinically significant laboratory abnormalities recorded as AEs, and AEs leading to permanent discontinuation.

To determine the Recommended Phase II Dose (RP2D) of EB103 (in Phase 1, Dose Escalation)
Time Frame: 16 months

RP2D based on maximum tolerated dose (MTD) (if reached), overall safety, preliminary efficacy, and manufacturing capability.

Secondary Endpoints

To assess the Overall Response Rate of EB103 in our study subject population.
Time Frame: Up to 2 years
To assess the Disease Control Rate of EB103 in our study subject population.
Time Frame: Up to 2 years
To assess the Duration of Response and duration of complete response of EB103 in our study subject population.
Time Frame: Up to 2 years
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
EB103EXPERIMENTALExperimental: Dose Escalation, RP2D Confirmatory, and Expansion (Phase 1/2 Single Arm) Dose Escalation Cohort: Participants receive a single infusion of EB103 at one of two predefined dose levels on Day 0 (completed). RP2D Confirmatory Cohort: Participants receive EB103 at the RP2D on Day 0. Expansion Cohort: Participants receive an initial EB103 T-cell infusion at the RP2D on Day 0 followed by a second EB103 T-cell infusion administered according to the protocol-defined schedule.

Interventions

NameTypeDescription
EB103BIOLOGICALEB103 is an autologous T-cell therapy whereby a subject's own T cells are transduced with a lentiviral vector expressing the EB103 transgene.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites5

Inclusion Criteria: * Age 18 years or older at the time of informed consent * Histologically confirmed R/R B-cell non-Hodgkin's lymphoma (NHL) * Adequate organ function * Relapsed or refractory disease 1. Relapsed or refractory disease, defined as ONE OR MORE of the following modified SCHOLAR-1 ...

Countries:United States
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Recent Changes (Last 90 Days)

MEDIUMOct 1, 2026NCT06343311Enrollment: 21 → 27
MEDIUMOct 1, 2026NCT06343311Enrollment: 21 → 27

Frequently asked questions about EB103

What is EB103?

EB103 is an investigational T-cell therapy being developed by Estrella Immunopharma, Inc. for adults with relapsed or refractory B-cell non-Hodgkin's lymphoma. It is in Phase 1 clinical development and is designed to target the CD19 protein found on B cells.

What is EB103 used for in B-Cell Non-Hodgkin's Lymphoma?

EB103 is being studied for the treatment of adults with relapsed or refractory B-cell non-Hodgkin's lymphoma, including subtypes such as large B-cell lymphoma, high-grade B-cell lymphoma, CNS lymphoma, and HIV-associated lymphoma. It is investigational and has not been approved for commercial use.

What does EB103 target?

EB103 targets CD19, a protein expressed on the surface of B cells. By directing T-cell activity toward CD19, EB103 is designed to attack malignant B cells in patients with relapsed or refractory B-cell non-Hodgkin's lymphoma.

Who is developing EB103?

EB103 is being developed by Estrella Immunopharma, Inc., a company whose common stock trades under the ticker symbol ESLA. Estrella Immunopharma is the sponsor responsible for advancing EB103 through clinical development in oncology.

What phase is EB103 in?

EB103 is in Phase 1 clinical development. It is an investigational therapy and has not been approved by the FDA. The Phase 1 program is evaluating EB103 in adults with relapsed or refractory B-cell non-Hodgkin's lymphoma.

What clinical trials is EB103 in?

EB103 is being evaluated in one active clinical trial, NCT06343311, titled T-Cell Therapy (EB103) in Adults With Relapsed/Refractory B-Cell Non-Hodgkin's Lymphoma (NHL). The Phase 1 study is currently recruiting an estimated 27 participants in the United States and is open to adults aged 18 years and older.