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Rezum for 30-80ml Patients With Moderate-severe LUTS to Study Surgical Principles for Median Lobe Enlargement

Feasibility of Water Vaporization (Rezum®) for Patients With ≥ 30 and < 80 ml With Moderate-severe LUTS to Establish the Surgical Principles for Prominent or Non-prominent Median Lobe Enlargement: A Single-center, Prospective, Pilot Study

Status
Recruiting
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06177821
Enrollment
44
Registered
2023-12-20
Start date
2024-06-03
Completion date
2025-12-30
Last updated
2024-04-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Prostatic Hyperplasia of the Medial Lobe

Keywords

median lobe enlargement, lower urinary tract symptoms, International Prostate Symptoms Score

Brief summary

This study was created to determine the safety and efficacy of treating prostatic hyperplasia with or without prominent median lobe enlargement with the REZUM technique. The systematic implementation of decisions for the location, vapor time, and the number of injections contributes to the Rezum procedure configuration for the median lobe treatment being safer and standardizer.

Interventions

DEVICERezum®

Rezum® Water vaporization device

Sponsors

Seoul National University Hospital
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
MALE
Age
50 Years to 85 Years
Healthy volunteers
No

Inclusion criteria

* Patients aged 50 to 85 years who have been diagnosed with benign prostatic hyperplasia at Seoul National University Hospital and are scheduled to undergo endoscopic surgery. * benign prostatic hyperplasia ≥ 30 and \< 80 ml * Patients who have given written informed consent to participate in the study according to their age * A urinary symptom score (International ProstateSymptom Score \[IPSS\] moderated (8-19 points) to severe (20-35 points) * Measured Postvoiding Residual (PVR) \<250 mL

Exclusion criteria

* History of prostate or bladder cancer, neurogenic bladder, bladder calculus, or clinically significant bladder diverticulum * Active infection, treatment for chronic prostatitis * Diagnosis of urethral stricture, meatal stenosis or bladder neck contracture, damaged external urinary sphincter, stress urinary incontinence, post-void residual \>300 mL or urinary retention, or prior prostate surgery * Men taking anticoagulants or on bladder anticholinergics or with severe cardiovascular disease * PSA greater than 4.0 ng/ml (unless prostate cancer was ruled out by biopsy) * Allergy to device materials, immune suppressants or corticosteroids use, and serious medical or mental illness.

Design outcomes

Primary

MeasureTime frameDescription
ageprior to procedurepatient's records
Genderprior to procedurepatient's records
heightprior to proceduremeters
weightprior to procedurekilograms
Medical historyprior to procedurepatient's records
Surgical historyprior to procedurepatient's records
Date of consentprior to procedurepatient's records
Eastern Cooperative Oncology Groupprior to procedure0 Fully active, able to carry on all pre-disease performance without restriction 1. Restricted in physically strenuous activity but ambulatory and able to carry out work of a light or sedentary nature, e.g., light house work, office work 2. Ambulatory and capable of all selfcare but unable to carry out any work activities; up and about more than 50% of waking hours 3. Capable of only limited selfcare; confined to bed or chair more than 50% of waking hours 4. Completely disabled; cannot carry on any selfcare; totally confined to bed or chair 5. Dead
complicationsprior to procedurepatient's records
medications used at the time of pre-consentprior to procedurepatient's records
drug allergiesprior to procedurepatient's records
prostate specific antigenprior to procedure, 3 month after surgerypatient's records, ng/ml
Proteinprior to procedure, 1-2 weeks after injection, 3 month after surgeryUrinalysis, mg/dl
pHprior to procedure, 1-2 weeks after injection, 3 month after surgeryUrinalysis
occult bloodprior to procedure, 1-2 weeks after injection, 3 month after surgeryUrinalysis, Negative or positive
white blood cell : Urinalysisprior to procedure, 1-2 weeks after injection, 3 month after surgeryUrinalysis, Quantity
glucoseprior to procedure, 1-2 weeks after injection, 3 month after surgeryUrinalysis, mg/dl
red blood cellprior to procedure, 1-2 weeks after injection, 3 month after surgeryUrinalysis, Quantity
Bacteriaprior to procedure, 1-2 weeks after injection, 3 month after surgeryUrinalysis, Quantity
Sodiumprior to procedure, 1-2 weeks after injection, 3 month after surgeryBlood tests, mEq/L
Chlorideprior to procedure, 1-2 weeks after injection, 3 month after surgeryBlood tests, mEq/L
calciumprior to procedure, 1-2 weeks after injection, 3 month after surgeryBlood tests, mg/dL
Phosphorusprior to procedure, 1-2 weeks after injection, 3 month after surgeryBlood tests, mg/dL
uric acidprior to procedure, 1-2 weeks after injection, 3 month after surgeryBlood tests, mg/dl
blood urea nitrogenprior to procedure, 1-2 weeks after injection, 3 month after surgeryBlood tests, mg/dl
creatinineprior to procedure, 1-2 weeks after injection, 3 month after surgeryBlood tests, mg/dL
C-reactive proteinprior to procedure, 1-2 weeks after injection, 3 month after surgeryBlood tests, mg/dl
White blood cell : Blood testsprior to procedure, 1-2 weeks after injection, 3 month after surgeryBlood tests, quantity
Hemoglobinprior to procedure, 1-2 weeks after injection, 3 month after surgeryBlood tests, g/dl
Plateletprior to procedure, 1-2 weeks after injection, 3 month after surgeryBlood tests, 10\^3/μL
Prostate specific antigenprior to procedure, 1-2 weeks after injection, 3 month after surgeryBlood tests, ng/ml
Prostate Ultrasoundprior to procedure, 3 month after surgerypatient's records
Uroflowmetryprior to procedure, 3 month after surgerypatient's records, ml/sec
International Prostate Symptom Scoreprior to procedure, admission, 1-2 weeks after injection, 3 month after surgery0 to 7 points: Mild symptoms 8 to 19 points: Moderate symptoms 20 to 35 points: Severe symptoms
Incontinence Severity Indexprior to procedure, admission, 1-2 weeks after injection, 3 month after surgerySlight (1-2) Moderate (3-6) Severe (8-9) Very severe (12)
Overactive Bladder Symptom Scoreprior to procedure, admission, 1-2 weeks after injection, 3 month after surgery1\. How many times do you typically urinate from waking in the morning until sleeping at night? 7 or less 8 to 14 15 or more 2. How many times do you typically wake up to urinate from sleeping at night until waking in the morning? 0 1 2 3 or more 3. How often do you have a sudden desire to urinate, which is difficult to defer? Not at All less than once a week once a week or more about once a day 2 to 4 times per day 5 times a day or more 4. How often do you leak urine, because you cannot defer the sudden desire to urinate? Not at All less than once a week once a week or more about once a day 2 to 4 times per day 5 times a day or more
Male Sexual Health for assessing ejaculatory dysfunctionprior to procedure, admission, 1-2 weeks after injection, 3 month after surgery1. In the last month, without using drugs like Viagra, how often have you been able to get an erection when you wanted to? 5 All of the time 4 Most of the time 3 About half of the time 2 Less than half of the time 1 None of the time 0 Used Viagra or similar drug with every sexual encounter 2. In the last month, if you were able to get an erection without using drugs like Viagra, how often were you able to stay hard as long as you wanted to? 5 All of the time 4 Most of the time 3 About half of the time 2 Less than half of the time 1 None of the time 0 Used Viagra or similar drug with every sexual encounter 3. In the last month, if you were able to get an erection, without using drugs like Viagra, how would you rate the hardness of your erection? 5 Completely hard 4 Almost completely hard 3 Mostly hard, but can be slightly bent 2 A little hard, but bends easily 1 Not at all hard 0 Used Viagra or similar drug with every sexual encounter
International Index of Erectile Functionprior to procedure, admission, 1-2 weeks after injection, 3 month after surgeryThe IIEF-5 Questionnaire (SHIM)Score for Erectile Dysfunction1-7: Severe8-11: Moderate12-16: Mild-moderate17-21: Mild22-25: No Erectile Dysfunction Survey.
McGill Pain Questionnaireprior to procedure, admission, 1-2 weeks after injection, 3 month after surgeryThe interpretation of the questionnaire is pretty basic: the higher the score, the higher the pain level. The maximum score an individual can reach on the MPQ is 78. According to the questionnaire, a person with a score of 0 effectively does not experience pain.
Brief Pain Inventoryprior to procedure, admission, 1-2 weeks after injection, 3 month after surgeryWorst Pain Score: 1 - 4 = Mild Pain. Worst Pain Score: 5 - 6 = Moderate Pain. Worst Pain Score: 7 - 10 = Severe Pain.
Treatment Satisfaction-Visual Analogue Scale1-2 weeks after injection, 3 month after surgery0\. No, not at all satisfied. 10. Yes, completely satisfied.
Patient Global Impression of Improvement1-2 weeks after injection, 3 month after surgeryVery much better 1 Much better 2 A little better 3 No change 4 A little worse 5 Much worse 6 Very much worse 7
transrectal sonography of the prostateprior to procedure, 3 month after surgeryUltrasound examination
transrectal ultrasoundprior to procedureUltrasound examination
Postvoiding Residualprior to procedure, 3 month after surgeryuroflowmetry
Post-surgery complications1-2 weeks after injection, 3 month after surgerypatient's records

Countries

South Korea

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026