New pill takes on Hard-to-Treat prostate cancer in early human trial
NCT ID NCT06801236
First seen Jun 27, 2026 · Last updated Aug 05, 2026 · Updated 2 times
Summary
This early-phase study is testing a new daily pill called ACE-232 in 67 men with metastatic castration-resistant prostate cancer that has stopped responding to standard treatments. The main goals are to check the drug's safety, find the right dose, and see early signs of whether it might help control the cancer. Participants will also take two other medicines (dexamethasone and fludrocortisone) alongside ACE-232.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- ACE-232 tablets taken daily with dexamethasone and fludrocortisone
- What this could lead to
- If this early trial shows promise, it 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 study with only 67 participants, focused mainly on safety and dosing. It is too soon to know if ACE-232 will work or be safe enough for wider 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 88 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2025
- Expected to finish
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Dec 2028
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: * Provide written informed consent * Metastatic Castration-resistant Prostate Cancer with ongoing androgen - deprivation therapy (ADT) or have bilateral orchiectomy * Difficult to treat or intolerant to standard treatment (post at least 1 line of NHA and taxane-based chemo in mHSPC or mCRPC), suitable for investigational treatment; * Has Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 * Has a life expectancy of at least 6 months * Adequate organ function and bone marrow function Exclusion Criteria: * Receiving any anti-cancer drugs or other treatment, major surgery, extensive radiation therapy, or local radiation therapy within protocol-defined wash-out period; * Concomitant use of medications or herbal supplements known to be moderate to strong CYP3A4 inhibitors/inducers, or P-gp inhibitors, known to prolong the QT interval. * Any previous treatment-related toxicities have not recovered. * Spinal cord compression or known brain metastases or leptomeningeal carcinomatosis. * Severe cardiovascular disorders. * Known gastrointestinal (GI) disorder or GI procedure * History of gastric and duodenal perforation. * History of pituitary dysfunction. * Poorly controlled diabetes mellitus. * Active or uncontrolled autoimmune disease * Active infections, or a known history of HIV infection, or a known active hepatitis B or C, or a known active tuberculosis. * Other malignancies requiring treatment within 3 years prior to the first dose of study drug * Known allergy or hypersensitivity to any of the excipients of ACE-232. * Has other medical conditions that at the discretion of the investigator interfere with safety or efficacy evaluation, or treatment compliance.
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Get notified about this study
Sign up to get updates when this study changes or when new studies for MCRPC (metastatic castration-resistant prostate cancer) are added.
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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
8 sites in 2 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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Fred Hutchinson Cancer Research Center
RECRUITINGSeattle, Washington, 98109, United States
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Fujian Cancer Hospital
RECRUITINGFuzhou, Fujian, China
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Harvard Medical School-Massachusetts General Hospital
RECRUITINGBoston, Massachusetts, 02114, United States
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M Health Fairview Clinics and Surgery Center
RECRUITINGMinneapolis, Minnesota, 55455, United States
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Moffitt Cancer Center, Tampa
RECRUITINGTampa, Florida, 33612, United States
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University of California San Diego, Moores Cancer Center
RECRUITINGLa Jolla, California, 92093, United States
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University of Maryland, Greenebaum Comprehensive Cancer Center
RECRUITINGBaltimore, Maryland, 21201, United States
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Xcancer (Urology Cancer Center)
WITHDRAWNOmaha, Nebraska, 68130, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Hidden bacteria in prostate tumors may shape how the immune system fights cancer
- Prostate tumors hide a Nerve-Fueled neighborhood, and scientists are mapping it
- A proactive care plan may help men with prostate cancer live better
- Can a simple blood test outsmart prostate cancer?
- A sharper eye on prostate cancer: could new imaging spare healthy tissue?
- Can a new drug combo tame resistant prostate cancer?