New biologic drug JANX014 enters first human trial for tough prostate cancer
NCT ID NCT07545811
First seen Jun 25, 2026 · Last updated Sep 04, 2026 · Updated 5 times
Summary
This early-stage trial is testing a new biologic drug, JANX014, in 43 men with metastatic castration-resistant prostate cancer that has progressed after other treatments. The main goal is to check safety and find the right dose, while also looking at how the drug moves through the body and whether it shows any signs of shrinking tumors. It is a first-in-human study, so results will guide whether further testing is warranted.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- JANX014 (a biologic drug given intravenously)
- What this could lead to
- If it works, this could point toward a new treatment option for advanced prostate cancer that has stopped responding to standard therapies.
- What could go wrong
- This is a very early Phase 1 trial with only 43 participants, focused mainly on safety. It may not show enough benefit or could have side effects that limit its use.
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 43 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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Mar 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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Male participants only
- 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.
Inclusion Criteria: * Male ≥18 years of age at the time of signing informed consent * Histologically or cytologically confirmed adenocarcinoma of the prostate * For Dose Escalation: Having mCRPC that progressed after at least one novel anti-androgen therapy and at least one taxane containing regimen. Participants who have actively refused a taxane containing regimen or are medically unsuitable to receive taxane are eligible. * Adequate organ function * For Dose Expansion Part: Have received ≤ 2 anti-androgen therapies in either the HSPC or CRPC setting and no more than 1 prior taxane regimen in the HSPC setting. Participants who have actively refused a taxane regimen or are medically unsuitable to receive taxane are eligible. Exclusion Criteria: * Prior solid organ transplant * Prior treatment with any CAR-T cell therapy, approved or investigational T-cell engager therapy, and prior receipt of radioligand therapy * Clinically significant cardiovascular disease
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Get notified about this study
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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
6 sites. 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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Medical University of South Carolina - Hollings Cancer Center
RECRUITINGCharleston, South Carolina, 29425, United States
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Prisma Health Cancer Institute
RECRUITINGGreenville, South Carolina, 29605, United States
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SCRI Oncology Partners
RECRUITINGNashville, Tennessee, 37203, United States
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SCRI at Mary Crowley
RECRUITINGDallas, Texas, 75230, United States
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UC San Diego Moores Cancer Center
RECRUITINGLa Jolla, California, 92037, United States
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Washington University School of Medicine
RECRUITINGSt Louis, Missouri, 63108, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Training a Patient's own immune cells to fight advanced prostate cancer
- Radioactive missile aims at prostate cancer that spread
- New PET tracer targets ACP3 to spot prostate cancer
- Can a One-Week radiation course match four weeks for prostate cancer?
- Can a new PET tracer spot hidden prostate cancer spread?
- Can a gel cushion shield the rectum during prostate radiation?