For Healthcare Professionals

GEN1047 for Solid Tumors - First in Human (FIH) Trial

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About the study

The purpose of this trial is to measure the following in participants with solid tumors who receive GEN1047: * The side effects seen with GEN1047 * What the body does with GEN1047 once it is administered * What GEN1047 does to the body once it is administered * How well GEN1047 works against solid tumors The estimated trial duration for an individual participant is 8 months, consisting of a 28-day screening period, an estimated 3 month treatment period (the duration of treatment may vary for each participant), and an estimated 4 month post-treatment follow-up period (the duration of follow-up may vary for each participant). All participants will receive active drug; no one will be given placebo.
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Who can take part

You may be eligible to participate in the study if you meet the following criteria:

INCLUSION CRITERIA

Key Inclusion Criteria:

Criteria - Escalation Part:

  1. Participant must have histologically or cytologically confirmed solid tumor(s) in any of the following selected indications for which there is no further available standard therapy likely to confer clinical benefit (or participant is not a candidate or has previously refused such earlier available therapy), and for whom, in the opinion of the investigator, experimental therapy with GEN1047 may be beneficial (breast cancer, endometrial cancer, ovarian cancer, NSCLC-SCC.
  2. Participants with ovarian cancer must have documented progressive disease (PD) on or after last prior treatment and within 60 days of screening.
  3. Must be at least 18 years of age (or the legal age of consent in the jurisdiction in which the trial is taking place) on the day of signing informed consent.
  4. Must have either recurrence after, or progression on or lack of response to available relevant standard of care (SoC) anticancer therapies; or are deemed intolerant to or ineligible for, standard curative therapy in the recurrent setting.
  5. Must have at least 1 measurable lesion per RECIST v1.1. The measurable lesion(s) must be outside the field of radiation therapy (RT) if there was prior treatment with RT.
  6. Must have an Eastern Cooperative Oncology Group performance status (ECOGPS) score of 0 to 1 at Screening and on C1D1 pretreatment.
  7. Should provide a tumor tissue sample during the Screening period and prior to C1D1.
  8. Provide all tumor-assessing pre-trial CT scans since failure of last prior therapy.

Criteria - Expansion Part Stage 1, 1b and Stage 2:

  1. Participants must have documented PD according to RECIST v1.1 on or after last prior treatment with latest scan performed a maximum of 28 days prior to the first dose.
  2. Participant must have advanced (unresectable) or metastatic, histologically confirmed diagnosis (breast cancer, endometrial cancer, ovarian cancer.
  3. Must be a female and at least 18 years of age (or the legal age of consent in the jurisdiction in which the trial is taking place) at the time of consent.
  4. Must have at least 1 measurable lesion per RECIST v1.1 as assessed by local investigator.
  5. Must have an ECOG- PS score of 0 to 1 at Screening and on Cycle 1 Day 1 (C1D1) pretreatment.
  6. Must submit a tumor tissue sample during the Screening period and prior to C1D1.
  7. Provide all tumor-assessing pre-trial CT scans since failure of last prior therapy.

EXCLUSION CRITERIA

Key Exclusion Criteria:

  1. Significant cardiovascular impairment within 6 months of the first dose of trial drug.
  2. Participant with new or progressive brain metastases or spinal cord compression.
  3. Participant has been exposed to any prior therapy with a compound targeting CD3 and/or B7H4 or cell based therapies.
  4. Current pneumonitis (any grade) including any radiological change of ongoing pneumonitis at baseline or history of non-infectious drug-, immune-, or radiation-related pneumonitis that required steroid.

Note: Other protocol defined inclusion and exclusion criteria may apply.

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Study Locations

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How to Apply


Contact the study center to learn if this study is a good match for you.
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Study Details


Contition

Breast Cancer, Breast Neoplasms,Endometrial Cancer, Endometrial Neoplasm,Ovarian Cancer, Ovarian Neoplasms,Squamous Non Small Cell Lung Cancer (NSCLC-SCC)

Age

18+

Phase

PHASE1/PHASE2

Participants Needed

400

Est. Completion Date

Mar 31, 2027

Treatment Type

INTERVENTIONAL


Sponsor

Genmab

ClinicalTrials.gov NCT Identifier

NCT05180474

Study Number

GCT1047-01

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