New biologic drug GEN1106 enters first human tests for Hard-to-Treat cancers
NCT ID NCT07416123
First seen Jun 27, 2026 · Last updated Sep 11, 2026 · Updated 4 times
Summary
This early-stage trial is testing a new biologic drug, GEN1106, in about 103 people with advanced solid tumors, including bladder cancer. The study has three parts: first, finding a safe dose; then refining it; finally, checking how well the drug shrinks tumors. All participants receive the active drug, and the trial lasts about 17 months per person.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- GEN1106 (a biologic drug given by IV infusion)
- What this could lead to
- If successful, this could point toward a new treatment option for people with certain advanced solid tumors, including bladder cancer.
- What could go wrong
- This is a very early phase 1 trial with only 103 participants. The main goal is safety, not effectiveness, and many experimental cancer drugs fail in early testing. Side effects are unknown.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 103 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2026
- Expected to finish
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Jun 2029
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Key Inclusion Criteria: * Have received and progressed on, been intolerant to, or be ineligible for all available standard of care (SoC) therapies known to provide a survival and/or quality of life benefit for their tumor type. These therapies should include chemotherapy, anti-programmed cell death protein 1 (PD-1)/programmed cell death ligand 1 (PD-L1) therapies, enfortumab vedotin (EV), and other therapies, where applicable. * Have measurable disease according to RECIST v1.1. * Have Eastern Cooperative Oncology Group performance status (ECOG PS) score of 0 to 1 at screening. * Part 1: Have histologically or cytologically confirmed diagnosis of cancer as specified per protocol. * Parts 2 and 3: Have histologically or cytologically confirmed diagnosis of metastatic urothelial carcinoma (mUC). Key Exclusion Criteria: * Prior treatment with topoisomerase 1 inhibitor-based antibody-drug conjugate (ADC) therapy. * Treatment with an anticancer agent within 4 weeks or for systemic therapies within 5 half-lives of the drug, whichever is shorter, prior to trial treatment administration. * Has clinically significant toxicities from previous anticancer therapies that have not resolved to baseline levels or to grade 1 or lower, except for alopecia, anorexia, vitiligo, fatigue, hyperthyroidism, hypothyroidism, and peripheral neuropathy. Anorexia, hyperthyroidism, hypothyroidism, and peripheral neuropathy must have recovered to grade 2. Note: Other protocol-defined Inclusion and Exclusion criteria may apply.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
10 sites in 3 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Carolina Urologic Research Center
RECRUITINGMyrtle Beach, South Carolina, 29572, United States
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Hospital HM Nou Delfos
RECRUITINGBarcelona, Spain
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Hospital Universitario Quironsalud Madrid
RECRUITINGMadrid, 28223, Spain
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National Cancer Center Hospital
RECRUITINGChuo Ku, Tokyo, 104-0045, Japan
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START Madrid - Centro Integral Oncologico Clara Campal
RECRUITINGMadrid, 28050, Spain
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START Madrid - Hospital Universitario Fundacion Jimenez Diaz
RECRUITINGMadrid, 28040, Spain
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START New York Long Island LLC
RECRUITINGLake Success, New York, 11042, United States
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South Texas Accelerated Research Therapeutics
RECRUITINGSan Antonio, Texas, 78229, United States
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West Cancer Center and Research Institute
NOT_YET_RECRUITINGGermantown, Tennessee, 38138, United States
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Yale Cancer Center
RECRUITINGNew Haven, Connecticut, 06510, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can intensified chemotherapy before surgery clear bladder tumors?
- First human test of BI 4060107 aims to find safe dose for Hard-to-Treat tumors
- Can a new drug shield kidneys from chemotherapy damage?
- Chemo combo tested as backup for bladder cancer that outsmarts First-Line therapy
- Can a pill shrink Hard-to-Treat ovarian tumors?
- Mining Responders' tumors for clues to a universal cancer therapy