Bipolar Enucleation of the Prostate Versus Bipolar TURP (TURP)

July 22, 2026 updated by: Amgad Abdel Aziz, Ain Shams University

A Comparative Study Of Clinical Outcomes Of Bipolar Enucleation Of The Prostate Versus Bipolar TURP In Management Of Benign Prostatic Hyperplasia : A Randomized Controlled Clinical Trial

Bipolar enucleation of the prostate (BEEP) was introduced to treat patients with large prostate. The study compared the functional outcomes and perioperative complications of bipolar TURP and bipolar enucleation of large prostates above 80 gm.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Recent literature suggests that enucleation techniques may provide superior functional results, reduced bleeding, and lower retreatment rates. Nevertheless, there remains limited high-quality randomized controlled data directly comparing bipolar TURP and bipolar enucleation of prostate as a head to head comparison regarding functional outcomes and peri-operative complications.

In this study, a randomized controlled trial was performed to compare bipolar enucleation of the prostate versus bipolar transurethral resection of the prostate in BPH regarding symptoms relief, residual adenoma, urine flow rate and post-operative morbidity.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
120

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Egypt
    • Cairo Governorate
      • Cairo, Cairo Governorate, Egypt, 11566
        • Ain Shams university hospitals

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • All male patients above the age of 40 years who presented to the urology clinic in Ain Shams university hospitals with BPH with prostate size 80 - 120 g and have any of the following criteria:
  • Voiding symptoms that are poorly responsive to medical treatment (IPSS more than 18 and Qmax less than 15 ml/sec)
  • Persistent or recurrent attacks of urine retention due to BPH.
  • Large bladder stones from BPH.
  • Recurrent UTI due to BPH.
  • Severe gross hematuria from BPH.

Exclusion Criteria:

  • Patients with untreated or active UTI.
  • Previous pelvic radiation or pelvicl trauma.
  • Patients with anesthesia contraindications such as uncontrolled diabetes mellitus, severe coagulation disorders and severe cardiac diseases.
  • Known or suspected neurogenic bladder.
  • Urethral stricture or urethral cancer.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Active Comparator: bipolar TURP
transurethral resection of the prostate by bipolar current
Procedure: bTURP
transurethral resection of the prostate by bipolar current
Other Names:
  • TURIS
Active Comparator: BEEP
endoscopic enucleation of the prostate by bipolar current
Procedure: BEEP
endoscopic enucleation of the prostate by bipolar current
Other Names:
  • TUEP

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
volume of residual prostatic adenoma
Time Frame: one month postoperative
measurement of volume of residual prostatic adenoma post bipolar TURP and BEEP was done by pelvi-abdominal ultrasound
one month postoperative
change in international prostate symptoms score
Time Frame: pre-operative, one, three, six and twelve months postoperative

The international prostate symptoms score is a patient-completed questionnaire for standardized assessment of lower urinary tract symptoms (LUTS). It includes seven questions that evaluate the following urinary symptoms:

  • Weak urinary stream (0 : 5)
  • Incomplete bladder emptying (0 : 5)
  • Straining during urination (0 : 5)
  • Intermittent urine flow (0 : 5)
  • Increased urinary frequency (0 : 5)
  • Urgency (0 : 5)
  • Nocturia (0 : 5) Grade 1 (score = 0 - 7) : Mild LUTS Grade 2 (score = 8 - 19) : Moderate LUTS Grade 3 (score = 20 - 35) : Severe LUTS
pre-operative, one, three, six and twelve months postoperative
change in maximum urine flow rate(Q max)
Time Frame: pre-operative, 1, 3, 6 and 12 months postoperative
Maximum urine flow rate was evaluated by Uroflowmetry
pre-operative, 1, 3, 6 and 12 months postoperative

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
operation time
Time Frame: during operation
Operation time was calculated from insertion of the cystoscope/resectoscope into the urethra to final removal of the scope
during operation
change in post voiding residual urine
Time Frame: pre-operative, 1, 3, 6 and 12 months postoperative
post voiding residual urine in bladder was evaluated by Trans-abdominal ultrasound
pre-operative, 1, 3, 6 and 12 months postoperative

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Ain Shams University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
April 1, 2025

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
June 30, 2026

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
July 14, 2026

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
July 17, 2026

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
July 17, 2026

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
July 21, 2026

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
July 24, 2026

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
July 22, 2026

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
July 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • FMASU MS 56/2026

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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