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Not yet recruitingNCT07749794Updated Aug 6, 2026

Hydrodissection-Assisted Bipolar Prostatic Enucleation Versus Conventional Bipolar Enucleation

An interventional study of Hydrodissection-Assisted Bipolar Prostatic Enucleation-Enucleoresection and Conventional Bipolar Prostatic Enucleation-Enucleoresection in Prostatic Hyperplasia and Lower Urinary Tract Symptoms, sponsored by Benha University. Not yet recruiting at 1 site in Egypt. Open to male participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-08-06.

Sponsored by Benha University · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
100
Allocation
Randomized
Ages
18 Years and older
Sex
Male
01

Study summary

This prospective randomized study will compare two surgical techniques for treating benign prostatic hyperplasia. Participants will be assigned to either hydrodissection-assisted bipolar prostatic enucleation-enucleoresection with transrectal ultrasound-guided subcapsular injection of diluted norepinephrine and methylene blue or conventional bipolar prostatic enucleation-enucleoresection without injection.

The injected mixture is intended to separate the enlarged prostatic tissue from the surgical capsule and reduce bleeding during surgery. The study will evaluate whether the hydrodissection-assisted technique improves operative conditions, surgical outcomes, postoperative recovery, urinary symptoms, and urinary flow compared with the conventional technique.

02

Conditions studied

  • Prostatic Hyperplasia
  • Lower Urinary Tract Symptoms

Keywords

  • Bipolar prostatic enucleation
  • Hydrodissection
  • Subcapsular prostatic injection
  • Norepinephrine
  • Methylene blue
03

In context

Prostatic Hyperplasia

827 studies on the registry are indexed under Prostatic Hyperplasia; 179 are open to participants now.

This study's planned enrollment of 100 is close to the median of 92 across 626 interventional studies indexed under Prostatic Hyperplasia.

Browse Prostatic Hyperplasia studies →

Lead sponsor

Benha University is the lead sponsor of 362 studies on the registry; 66 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
Male
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Benign prostatic hyperplasia.
  • Prostate volume greater than 60 cc as measured by transrectal ultrasonography.
  • Moderate-to-severe lower urinary tract symptoms, defined as an International Prostate - Symptom Score of 12 or higher.
  • Failure of or poor response to medical management.

Exclusion criteria

Exclusion Criteria:

  • History of prostate cancer or suspicious findings on prostate .
  • Active urinary tract infection.
  • Severe cardiovascular, pulmonary, or other systemic comorbidities that contraindicate surgery.
  • Previous prostate surgery, including transurethral resection of the prostate or open prostatectomy.
  • Chronic urinary retention associated with neurogenic bladder. to norepinephrine or methylene blue.
Terms in these criteria, in plain language(2)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Biopsy and archival tissue

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Hypersensitivity

An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.

05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
100 participants (estimated)

Study arms

  • Experimental
    Hydrodissection-Assisted Bipolar Prostatic Enucleation-Enucleoresection

    Participants will undergo transrectal ultrasound-guided subcapsular injection of a diluted norepinephrine-methylene blue mixture to produce hydrodissection between the prostatic adenoma and surgical capsule, followed by bipolar prostatic enucleation-enucleoresection. Standard postoperative bladder irrigation, catheter management, and follow-up will be provided.

    Procedure: Hydrodissection-Assisted Bipolar Prostatic Enucleation-Enucleoresection

  • Active comparator
    Conventional Bipolar Prostatic Enucleation-Enucleoresection

    Participants will undergo conventional bipolar prostatic enucleation-enucleoresection without subcapsular injection or hydrodissection. Standard postoperative bladder irrigation, catheter management, and follow-up will be provided.

    Procedure: Conventional Bipolar Prostatic Enucleation-Enucleoresection

Interventions

  • ProcedureHydrodissection-Assisted Bipolar Prostatic Enucleation-Enucleoresection

    Transrectal ultrasound-guided subcapsular injection will be used to create a hydrodissection plane between the prostatic adenoma and capsule before bipolar enucleation-enucleoresection.

  • ProcedureConventional Bipolar Prostatic Enucleation-Enucleoresection

    Participants will undergo conventional bipolar prostatic enucleation-enucleoresection without subcapsular injection or hydrodissection.

06

What researchers measure

Primary outcomes

  1. Intraoperative Blood Loss

    The estimated volume of blood lost during the operative procedure will be recorded in milliliters and compared between the hydrodissection-assisted and conventional groups.

    Time frame: Intraoperatively

Secondary outcomes

  1. Operative Time

    Operative time will be measured in minutes from insertion of the resectoscope until completion of urethral catheter placement.

    Time frame: Intraoperatively

  2. Enucleated Prostatic Tissue Weight

    The removed prostatic adenomatous tissue will be weighed in grams.

    Time frame: Immediately after tissue retrieval, intraoperatively

  3. Length of Hospital Stay

    The duration of hospitalization will be measured in hours from completion of surgery until hospital discharge.

    Time frame: From completion of surgery until hospital discharge, assessed up to 7 days

  4. Urethral Catheterization Duration

    The duration of postoperative urethral catheterization will be measured in hours from catheter placement at the end of surgery until catheter removal.

    Time frame: From completion of surgery until catheter removal, assessed up to 7 days

  5. Change in Maximum Urinary Flow Rate

    Maximum urinary flow rate will be measured by uroflowmetry in mL/second. Values obtained after surgery will be compared with the preoperative baseline value.

    Time frame: At baseline and at 1, 3, and 6 months after surgery

  6. Change in Post-Void Residual Urine Volume

    Post-void residual urine volume will be measured by ultrasonography in milliliters. Values obtained after surgery will be compared with the preoperative baseline value.

    Time frame: At baseline and at 1, 3, and 6 months after surgery

  7. Change in International Prostate Symptom Score

    Lower urinary tract symptoms will be assessed using the International Prostate Symptom Score, ranging from 0 to 35, with higher scores indicating more severe symptoms. Postoperative scores will be compared with the preoperative baseline score.

    Time frame: At baseline and at 1, 3, and 6 months after surgery

  8. Incidence of Postoperative Complications

    The proportion of participants experiencing postoperative complications will be recorded.

    Time frame: At 1, 3, and 6 months after surgery

  9. Incidence of Intraoperative Complications

    The proportion of participants experiencing intraoperative complications will be recorded.

    Time frame: Intraoperatively

07

Study locations

1 site
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 6, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT07749794
Lead sponsor
Benha University
Responsible party
Saad ali saad salama (Lecturer of Urology, Benha University) — Principal investigator
First posted
Aug 6, 2026
Start date
Aug 15, 2026 (estimated)
Primary completion
Aug 15, 2027 (estimated)
Completion
Aug 15, 2027 (estimated)
Last update
Aug 6, 2026

Study contacts

Saad A Salama, MD
Contact
saad.ali@fmed.bu.edu.eg
01063006039 ext. +2

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in Aug 2026. You cannot join it, but the record below documents what was studied.

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