Banana flower extract tested to ward off prostate trouble
NCT ID NCT04266418
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether an extract from banana flower stamens could help prevent benign prostatic hyperplasia (BPH), a non-cancerous enlargement of the prostate that can cause urinary problems. Fifty men aged 40 to 80 with mild to moderate symptoms took part. Researchers measured changes in urinary symptom scores and prostate size to see if the extract had a preventive effect.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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50 people
The number who actually took part.
- Started
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Mar 2023
- Finished
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May 2026
- 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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40 to 80 years
- Sex
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Male participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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 aged 40-80 years old * 7 ≤ IPSS score \<19 * The subject did not take α-blocker or anticholinergic agents in the last 8 weeks. The subject did not take 5α-reductase inhibitor or androgen suppression agents in the last 16 weeks (depending on medical history). * The subject isn't diagnosed with cancer * The subject is able to read and finish the information on the questionnaire. * The subject must read and sign the informed consent form after the study has been fully explained. Exclusion criteria: * The subject has a history of epilepsy or convulsions, liver and kidney disease, cancer, endocrine disease, mental illness, alcohol or drug abuse, and other major organic diseases (depending on medical history). * The lower urinary tract urination symptoms of the subject are not related to prostatic hypertrophy (depending on medical history). * Residual urine volume \> 250 mL (depending on medical history) * Subjects have had pelvic radiation therapy or pelvic surgery (including prostate or bladder surgery, but those who only have had a prostate slice can participate in the trial). * Planned invasive procedures or examinations during the trial period, including prostate surgery, prostate biopsy, cystourethroscopy, pelvic surgery, exploratory laparotomy, or any treatment requiring the use of a urinary catheter. * Subjects have taken sexual hormone preparations including LHRH agonists, anti-androgens, feminine, or Penta-reductase inhibitors (Proscar and Avodart) 16 weeks prior to the trial. * Subjects have participated in other clinical trials 12 weeks prior to the trial. * History or detection of prostate cancer (e.g., positive tissue biopsy or ultrasound findings, or suspected abnormalities on digital rectal examination \[DRE\]). However, subjects with suspected abnormalities on ultrasound or DRE may participate if they had a negative biopsy within the past 6 months and demonstrate stable Prostate-Specific Antigen (PSA) levels (based on medical history).
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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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National Taiwan University Hospital
Taipei, Taiwan, 114, Taiwan
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Hormone pill tested for prostate troubles – but trial halted early