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Englumafusp alfa

Phase 1

Lymphoma, Non-Hodgkin | Small molecule | Oncology |Roche Holding AG|Last Updated: Aug 27, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedCONTROLLED
Total Trials1
Total Enrollment498

FDA Designations

No designations recorded

Clinical trial landscape

Englumafusp alfa · 1 trial · 1 indication

Phase 1 1
NCT04077723A Study to Evaluate the Safety, Pharmacokinetics and Preliminary Anti-Tumor Activity of Englumafusp Alfa in Combination With Obinutuzumab and in Combination With Glofitamab Following a Pre-Treatment Dose of Obinutuzumab in Participants With Relapsed/Refractory B-Cell Non-Hodgkin's LymphomaLymphoma, Non-Hodgkin
ACTIVE NOT_RECRUITING498 Analytics
PHASE1ACTIVE NOT_RECRUITING
A Study to Evaluate the Safety, Pharmacokinetics and Preliminary Anti-Tumor Activity of Englumafusp Alfa in Combination With Obinutuzumab and in Combination With Glofitamab Following a Pre-Treatment Dose of Obinutuzumab in Participants With Relapsed/Refractory B-Cell Non-Hodgkin's Lymphoma
Lymphoma, Non-HodgkinUnlock trial analytics

Study Endpoints

Primary Endpoints

Nature and frequency of dose-limiting toxicities (DLTs)
28 days in Part I and Part II
Proportion of Participants with Adverse Event (AE)
Part I: Up to 24 months; Part II: Up to 18 months; Part III: Up to 9 months or up to 18 months

Incidence, nature, and severity of AEs graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) v5.0

Overall Response Rate (ORR)
Part I: Up to 24 months; Part II: Up to 18 months; Part III: Up to 9 months or up to 18 months
Disease Control Rate (DCR)
Part I: Up to 24 months; Part II: Up to 18 months; Part III: Up to 9 months or up to 18 months
Duration of Response (DOR)
After end of Study approximately every 3 months until death, loss to follow-up or study termination
Progression-free Survival (PFS)
After end of Study approximately every 3 months until death, loss to follow-up or study termination
Overall Survival (OS)
After end of Study approximately every 3 months until death, loss to follow-up or study termination
Complete Response (CR)
Part III: Up to 9 months or up to 18 months

Secondary Endpoints

Total exposure (area under the concentration time curve [AUC]) of englumafusp alfa in combination with obinutuzumab and glofitamab
Part I: Up to 24 months; Part II: Up to 18 months; Part III: Up to 9 months or up to 18 months
Maximum serum concentration (peak concentration, Cmax) of englumafusp alfa in combination with obinutuzumab and glofitamab
Part I: Up to 24 months; Part II: Up to 18 months; Part III: Up to 9 months or up to 18 months
Minimum serum concentration (trough concentration, Cmin) of englumafusp alfa in combination with obinutuzumab and glofitamab
Part I: Up to 24 months; Part II: Up to 18 months; Part III: Up to 9 months or up to 18 months
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part IEXPERIMENTALCombination Dose-Escalation: Mixed r/r NHL participants will receive a fixed dose of obinutuzumab up to seven days prior to first administration of englumafusp alfa. Englumafusp alfa will be administered by intravenous (IV) infusion in combination with obinutuzumab in a three-weekly schedule (Q3W).
Part IIEXPERIMENTALCombination Dose-Escalation: Mixed r/r participants and participants with mixed r/r mantle cell lymphoma (MCL) and Richters transformation will receive a fixed dose of obinutuzumab seven days prior to first administration of englumafusp alfa. Englumafusp alfa will be administered by IV infusion in combination with glofitamab in a three-weekly schedule (Q3W).
Part IIIEXPERIMENTALDose-Expansion Stage: Participants with r/r diffuse large B-cell lymphoma not otherwise specified (DLBCL NOS), high-grade B-cell lymphoma (HGBCL), primary mediastinal B-cell lymphoma (PMBCL), and DLBCL arising from FL (transformed FL) will receive englumafusp alfa administered by IV infusion in combination with glofitamab in a three-weekly schedule (Q3W).

Interventions

NameTypeDescription
Englumafusp alfaDRUGEnglumafusp alfa will be administered by intravenous (IV) infusion three-weekly (Q3W) in combination with a fixed dose of obinutuzumab (Part I) and in combination with a fixed dose of glofitamab (Part II and Part III).
ObinutuzumabDRUGA fixed dose of obinutuzumab will be administered up to 7 days prior to the first dose of englumafusp alfa, then in combination with obinutuzumab Q3W (Part I). A fixed dose of obinutuzumab will be administered up to 7 days prior to the first dose of englumafusp alfa or between Day -3 and -7 (Part II and Part III).
GlofitamabDRUGA fixed dose of glofitamab will be administered Q3W in combination with englumafusp alfa in Part II and Part III
TocilizumabDRUGParticipants will receive IV tocilizumab as needed to treat cytokine release syndrome (CRS).
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites35

Inclusion Criteria: * History or status of a histologically-confirmed hematological malignancy that is expected to express CD19 and CD20; relapse after or failure to respond to at least one prior treatment regimen; no available treatment options that are expected to prolong survival (Part I and II)...

Countries:United StatesAustraliaBelgiumCanadaChinaDenmarkFranceItalyNew ZealandSouth KoreaSpainUnited Kingdom
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Recent Changes (Last 90 Days)

LOWAug 27, 2026NCT04077723lastUpdatePostDate: changed
LOWAug 27, 2026NCT04077723lastUpdatePostDate: changed

Frequently asked questions about Englumafusp alfa

What is Englumafusp alfa used for?

Englumafusp alfa is an investigational oncology therapy being studied for the treatment of relapsed or refractory B-cell non-Hodgkin's lymphoma. It is currently in Phase 1 clinical development and has not been approved by regulatory authorities.

Who is developing Englumafusp alfa?

Englumafusp alfa is being developed by Roche Holding AG, which trades under the ticker RHHBY. The company is conducting clinical trials to evaluate the drug's safety, pharmacokinetics, and preliminary anti-tumor activity in patients with B-cell non-Hodgkin's lymphoma.

What phase is Englumafusp alfa in?

Englumafusp alfa is in Phase 1 clinical development. It is an investigational drug, meaning it has not yet been approved by regulatory agencies. The ongoing Phase 1 trial is active but not recruiting participants, and the drug remains under evaluation for safety and efficacy.

What clinical trials is Englumafusp alfa in?

Englumafusp alfa is being studied in a single Phase 1 clinical trial with the identifier NCT04077723. This trial evaluates the drug in combination with obinutuzumab and with glofitamab following a pre-treatment dose of obinutuzumab in participants with relapsed or refractory B-cell non-Hodgkin's lymphoma.

Is Englumafusp alfa a small molecule drug?

Yes, Englumafusp alfa is classified as a small molecule modality. It is being developed as an oncology treatment for non-Hodgkin's lymphoma, and its clinical trial is designed as a randomized, controlled study without a double-blind design.

What is the enrollment and trial design for Englumafusp alfa's clinical study?

The Phase 1 trial for Englumafusp alfa has a total planned enrollment of 498 participants. It is a randomized, controlled study that is not double-blind. The trial is active but not recruiting, and it includes participants aged 18 years and older across multiple countries.