Can a Hormone-Blocking drug boost chemotherapy against prostate cancer?
NCT ID NCT05762536
First seen Sep 10, 2026 · Last updated Sep 11, 2026 · Updated 1 time
Summary
Researchers are testing whether adding darolutamide to docetaxel or cabazitaxel chemotherapy helps men with metastatic castration-resistant prostate cancer whose disease has worsened on a hormone-blocking drug. The trial enrolls about 245 men and randomly assigns them to receive chemotherapy with or without darolutamide. The main goal is to see whether the combination delays cancer progression compared with chemotherapy alone.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- darolutamide added to docetaxel or cabazitaxel chemotherapy
- What this could lead to
- If adding darolutamide helps, it could give men whose prostate cancer has worsened on hormone-blocking drugs a way to delay further progression and live longer.
- What could go wrong
- This is a mid-stage trial in a specific group of men, so results may not apply broadly. Combining these drugs could add side effects, and the approach may not outperform chemotherapy alone.
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 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 245 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2023
- Expected to finish
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May 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
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: 1. Age ≥ 18 years; 2. A confirmed diagnosis of progressive mCRPC (progression according to Prostate cancer Working Group (PCWG) 3 criteria, castration defined as castrate levels of testosterone of \<0.5 ng/mL) with an indication for docetaxel or cabazitaxel. 3. Patients should have had disease progression previously on at least one ARSi (abiraterone, apalutamide, darolutamide or enzalutamide). ARSi administration is allowed both in the mCNPC and in the mCRPC setting. Previous co-administration of docetaxel in mCNPC (triplet-therapy) is allowed, if patients will receive cabazitaxel in this study. 4. WHO performance ≤ 2 5. Able and willing to sign the Informed Consent Form prior to screening evaluations 6. Adequate haematological, renal and liver function and chemistry. Exclusion Criteria: 1. Impossibility or unwillingness to take oral drugs 2. Hypersensitivity to taxanes 3. Known serious illness or medical unstable conditions that could interfere with this study requiring treatment (e.g. HIV, hepatitis, Varicella zoster or herpes zoster, organ transplants, kidney failure, serious liver disease (e.g. severe cirrhosis), cardiac and respiratory diseases) 4. Symptomatic peripheral neuropathy CTCAE grade ≥2 5. Docetaxel-rechallenge.
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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
1 site. 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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Erasmus MC Cancer Institute
RECRUITINGRotterdam, 3015GD, Netherlands
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- First-in-Human biologic JUR-003 put to the test against metastatic prostate cancer
- New drug combo targets CD46 in aggressive prostate cancer
- Can a Cancer-Targeting drug slow advanced prostate cancer?
- Can a smart radiation drug hunt down prostate cancer cells?
- Can a new daily pill slow advanced prostate cancer?
- Can a radioactive injection extend life in advanced prostate cancer?