Retrograde Bladder FillNCT04309032
A Randomized Controlled Trial on the Effect of Retrograde Partial Bladder Fill on Time to Discharge and Overall Medical Staff Satisfaction
A study testing retrograde bladder filling with 0.9% normal saline 250cc prior to removal of foley catheter in people with Retrograde Bladder Fill, run by Seoul National University Hospital at 1 site in South Korea.
Trial summary
This study is a randomized controlled trial on the effect of retrograde partial bladder fill on time to discharge in patients who have had urological surgery for BPH, and whether it affects overall medical staff satisfaction. Read more about this study
- Who is it for?
- Ages 20 to 80 years, men onlyHealthy volunteers can take part
- Conditions the study is for
- Retrograde Bladder Fill
- What is being tested?
- retrograde bladder filling with 0.9% normal saline 250cc prior to removal of foley catheter
- Type of treatment
- Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 54 participants
- Where
- 1 siteSouth Korea
- Study dates
- 1 Nov 2018to 1 Oct 2019
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 20 to 80 years
- Men only
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- Any male patient between ages 20-80 with foley catheter indwelled after urological surgery performed at our institution
Who cannot join
- Any patient that does not remove foley catheter at discharge
Trial locations and contacts
1 site in 1 country.
South Korea1 site
Seoul National University Bundang Hospital
Seongnam-si, Gyeonggi-do, 13620
About this study
This study is a randomized controlled trial on the effect of retrograde partial bladder fill on time to discharge in patients who have had urological surgery for BPH, and whether it affects overall medical staff satisfaction.
- Conditions
- Retrograde Bladder Fill
- Being tested
- retrograde bladder filling with 0.9% normal saline 250cc prior to removal of foley catheter
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
retrograde bladder filling with 0.9% normal saline 250cc prior to removal of foley catheterProcedure or surgery
0.9% NS 250cc was introduced before foley catheter removed for discharge
| Study group | Role | What they receive |
|---|---|---|
| Bladder fill | Experimental | Retrograde bladder filling of 250cc of 0.9% normal saline for irrigation prior to removal of foley catheter Receives: Procedure: retrograde bladder filling with 0.9% normal saline 250cc prior to removal of foley catheter |
| No bladder Fill | No intervention | no filling prior to removal of foley catheter |
What is being measured
The primary outcome is the main question the study is designed to answer.
Time to void
time from foley catheter removal to actual initial voiding
Measured: 1day
Time to discharge
time from foley catheter removal to actual discharge
Measured: 1day
Medical staff satisfaction
Medical staff satisfaction discomfort/satisfaction with overall process based on a Likert scale (5)
Measured: 1year
Patient satisfaction
patient discomfort/satisfaction with overall process based on a Likert scale (5)
Measured: 1day
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted16 Mar 2020
- Study start1 Nov 2018
- Primary completion1 Oct 2019
- Study completion1 Oct 2019
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Retrograde Bladder FillStudies of the same condition, open and under way.
- More trials run by Seoul National University HospitalThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
- Who is masked
- Investigator, Outcomes assessor
- Enrolment
- 54 participants (actual)
Sponsor and investigators
- Lead sponsor
- Seoul National University Hospital
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Hakmin Lee, Seoul National University Bundang Hospital
- Investigators
- Hakmin Lee, M.D., Ph.D, Principal investigator, Seoul National University Bundang Hospital
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04309032
- Sponsor's protocol ID
- B-1806-474-004
- Status last verified
- Mar 2020
- First submitted
- 12 Mar 2020
- Last updated
- 16 Mar 2020
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 16 Mar 2020. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Randomized Controlled Trial on the Effect of Retrograde Partial Bladder Fill on Time to Discharge and Overall Medical Staff Satisfaction
- ClinicalTrials.gov ID
- NCT04309032
- Acronym / sponsor ID
- B-1806-474-004
- Conditions
- Retrograde Bladder Fill
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 54 participants (actual)
- Lead sponsor
- Seoul National University HospitalUniversity, hospital or other
- Study start
- 1 Nov 2018 (actual)
- Primary completion
- 1 Oct 2019 (actual)
- Study completion
- 1 Oct 2019 (actual)
- First posted
- 16 Mar 2020 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This study is a randomized controlled trial on the effect of retrograde partial bladder fill on time to discharge in patients who have had urological surgery for BPH, and whether it affects overall medical staff satisfaction.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind (investigator, outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Bladder fill | Experimental | Procedure: retrograde bladder filling with 0.9% normal saline 250cc prior to removal of foley catheterRetrograde bladder filling of 250cc of 0.9% normal saline for irrigation prior to removal of foley catheter |
| No bladder Fill | No intervention | –no filling prior to removal of foley catheter |
Who may qualify
- Ages
- 20 to 80 years
- Sex
- Male only
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (1 listed)
- Any male patient between ages 20-80 with foley catheter indwelled after urological surgery performed at our institution
Key exclusion criteria (1 listed)
- Any patient that does not remove foley catheter at discharge
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| retrograde bladder filling with 0.9% normal saline 250cc prior to removal of foley catheter0.9% NS 250cc was introduced before foley catheter removed for discharge | Procedure or surgery | Bladder fill |
Primary outcome
Time to void
Time frame: 1day
time from foley catheter removal to actual initial voiding
Time to discharge
Time frame: 1day
time from foley catheter removal to actual discharge
Medical staff satisfaction
Time frame: 1year
Medical staff satisfaction discomfort/satisfaction with overall process based on a Likert scale (5)
Patient satisfaction
Time frame: 1day
patient discomfort/satisfaction with overall process based on a Likert scale (5)
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 16 Mar 2020.
- Individual participant dataSharing planned: No
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Hakmin Lee, M.D., Ph.D principal investigator
Seoul National University Bundang Hospital
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing retrograde bladder filling with 0.9% normal saline 250cc prior to removal of foley catheter in people with Retrograde Bladder Fill, run by Seoul National University Hospital at 1 site in South Korea.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 16 Mar 2020. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in South Korea. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Time to void (time frame: 1day). The study lists 4 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 16 Mar 2020; AzTrials last refreshed its copy on 30 Oct 2026.