New hope for prostate cancer: drug combo before surgery shows promise
NCT ID NCT06627530
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether giving a combination of two hormone therapies (leuprorelin and darolutamide) for 24 weeks before prostate removal surgery can reduce or eliminate cancer more effectively than either drug alone. It involves 144 men with intermediate to high-risk prostate cancer. The main goal is to see if the combination leads to less cancer remaining in the surgical specimen.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 144 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2025
- Expected to finish
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Sep 2026
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: * Men ≥18 years of age; * Histologically confirmed unfavorable intermediate or high/very high risk non metastatic (by conventional imaging) prostate adenocarcinoma intended for surgery without neuroendocrine differentiation or small cell features; * Unfavorable intermediate-risk: * ISUP grade 3, and/or \> 50% positive biopsy cores and/or at least two intermediate-risk factors. Intermediate-risk factors: * Clinical tumor stage T2b or T2c (MRI based); * ISUP grade 2 or 3; * Prostate-specific antigen (PSA) level of 10-20 ng/mL. * High-risk or very high-risk: * ≥cT3a (MRI based) or ISUP 4-5 or PSA\>20 ng/mL; * cN1. * ECOG 0-1; * Baseline testosterone \> 230 ng/dL; * No prior prostate cancer treatment; * Sexually active male subjects must agree to use condoms as an effective barrier method and refrain from sperm donation, and/or their female partners of reproductive potential to use a method of effective birth control, during the treatment with darolutamide and for 1 week after the end of treatment with darolutamide to prevent pregnancy; * Written informed consent. Exclusion Criteria: * Unresectable prostate cancer; * Histology of small cell carcinoma prostate cancer or adenocarcinoma with neuroendocrine features; * Any prior prostate cancer treatment; * Any active infection requiring IV antibiotics; * Known additional malignancy that has a life-expectancy \< 2 years; * Had any of the following within 6 months before randomization: stroke, myocardial infarction, severe/unstable angina pectoris, coronary/peripheral artery bypass graft, heart failure with New York Heart Association Class Functional III or IV; * Uncontrolled severe hypertension as indicated by a resting systolic BP ≥ 180 mmHg or diastolic BP ≥ 110 mmHg despite medical management; * A gastrointestinal (GI) disorder or procedure which is expected to interfere significantly with absorption of darolutamide; * Inability to swallow oral medications; * Receipt of medications (e.g. finasteride, dutasteride) or agents that are likely to alter serum PSA levels within \<= 42 days or 5 half-lives prior to registration, whichever is shorter.
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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.
Contacts and locations
Locations
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BP - A Beneficência Portuguesa de São Paulo
São Paulo, São Paulo, 01323001, Brazil
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Hospital Ophir Loyola
Belém, Pará, 66063-240, Brazil
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Hospital São Marcos
Teresina, Piauí, 64001-280, Brazil
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Hospital Universitário Pedro Ernesto
Rio de Janeiro, Rio de Janeiro, 20551-030, Brazil
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Hospital de Clínicas Ijuí
Ijuí, Rio Grande do Sul, 98700-000, Brazil
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Santa Casa de Misericórdia de Feira de Santana
Feira de Santana, Estado de Bahia, 44001-032, Brazil
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Other studies related to the condition(s) this trial covers.
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- A scanner in the operating room could show surgeons exactly where prostate cancer remains