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GEN1047

Phase 2

Breast Cancer, Breast Neoplasms | Monoclonal antibody | Oncology |Genmab A/S|Trials Updated: Mar 2, 2026

GEN1047 development status

Highest phase Phase 2
Registered trials 1 across 1 sponsor since Jan 2001

GEN1047 target and mechanism

ModalityMonoclonal antibody

Also known as DuoBody®-CD3-H101GxB7H4

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLED
Total Trials1
Total Enrollment179

FDA Designations

No designations recorded

GEN1047 clinical trials

GEN1047 · 1 trial · 4 indications

Phase 1/2 1
NCT05180474GEN1047 for Solid Tumors - First in Human (FIH) TrialBreast Cancer, Breast Neoplasms
ACTIVE NOT_RECRUITING179 Analytics
PHASE1/PHASE2ACTIVE NOT_RECRUITING
GEN1047 for Solid Tumors - First in Human (FIH) Trial
Breast Cancer, Breast NeoplasmsUnlock trial analytics

Study Design & Arms

Interventions

NameTypeDescription
GEN1047 is a bispecific antibody that induces T-cell mediated cytotoxicity of B7H4-positive tumor cells.BIOLOGICALGEN1047 will be administered as an intravenous infusion. The dose-levels will be determined by the starting dose and the escalation steps taken in the trial.
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Frequently asked questions about GEN1047

What is GEN1047 used for?

GEN1047 is an investigational bispecific antibody being studied for the treatment of solid tumors, including breast cancer and breast neoplasms. It is also being evaluated in endometrial cancer, ovarian cancer, and squamous non-small cell lung cancer. It is not yet approved for any indication and remains in clinical development.

What does GEN1047 target?

GEN1047 is a bispecific antibody that targets B7H4-positive tumor cells and induces T-cell mediated cytotoxicity against them. By engaging both T cells and B7H4-expressing tumor cells, it directs an immune attack on the cancer cells. This mechanism is being evaluated in solid tumor indications.

Who is developing GEN1047?

GEN1047 is being developed by Genmab A/S, a biotechnology company listed under the ticker GMAB. Genmab is the sponsor of the clinical program evaluating this bispecific antibody in solid tumors.

What phase is GEN1047 in?

GEN1047 is in Phase 2 clinical development. The ongoing first-in-human trial is a Phase 1/Phase 2 study, and the drug has not yet been approved by the FDA or any regulatory agency. It remains an investigational therapy for solid tumors.

What clinical trials is GEN1047 in?

GEN1047 is being evaluated in a first-in-human trial, NCT05180474, titled GEN1047 for Solid Tumors - First in Human (FIH) Trial. This Phase 1/Phase 2 study has enrolled 179 participants and is currently active but not recruiting. It includes breast cancer, endometrial cancer, ovarian cancer, and squamous non-small cell lung cancer.

Is GEN1047 the same as its full description?

Yes, GEN1047 is also referred to by its full descriptive name: a bispecific antibody that induces T-cell mediated cytotoxicity of B7H4-positive tumor cells. Both names refer to the same investigational agent developed by Genmab A/S for solid tumors.