Ireland
--:--IST
Recruiting Not applicable

Early Versus Delayed Trial Without Catheter in Men With Acute Urinary Retention.

NCT07283484 · tracked via the Priya Life Science Netherlands tracker
Sponsor
Liselot Ribbert
Phase
Not applicable
Started
2025-08-21
Last updated
2025-12-22

Condition(s) studied

Acute Urinary RetentionBenign Prostate ObstructionBenign Prostate HyperplasiaBenign Prostate Hypertrophy(BPH)

Investigational drug(s) / intervention(s)

TWOC after 3 daysTWOC after 14 days

TWOC after 3 days: A ''trial without catheter'' (TWOC procedure) will be conducted 3 days after catheterization.

TWOC after 14 days: A ''trial without catheter'' (TWOC procedure) will be conducted 3 days after catheterization.

Study summary

Acute urinary retention (AUR) is a sudden and painful condition. It occurs when a person is unable to urinate. In men, AUR is most often caused by an enlarged prostate, known as benign prostatic hyperplasia (BPH), which blocks the urethra. The first steps in treatment are to insert a catheter to empty the bladder and to start medication that acts on the prostate (an alpha-blocker). After some time, the catheter is removed during a so-called "Trial Without Catheter" (TWOC) to see whether the patient can urinate normally again.

At present, it is unclear how long a catheter should remain in place before this trial is performed. In Dutch hospitals, the duration varies widely: in some hospitals, the catheter is removed after only a few days, while in others it stays in place for two weeks or longer. A longer catheter duration can cause more discomfort and complications, such as urinary tract infections or blood in the urine. Therefore, it is important to determine whether a shorter catheterization period is equally effective and safe compared to a longer one.

The RELIEF study investigates whether a short catheter duration of three days is as safe and effective as the current average of fourteen days. A total of 478 men with acute urinary retention will participate in this nationwide randomized controlled trial. All participants will receive a catheter and start (or continue) treatment with an alpha-blocker. They will then be randomly assigned to one of two groups: one group will have the catheter removed after three days, and the other group after fourteen days.

The main question is whether a shorter catheter duration is as successful as a longer one. Success means that the patient can urinate normally after catheter removal, without needing to have the catheter replaced. The study will also compare the number of complications, patients' experiences with the catheter, their quality of life, and the overall healthcare costs.

By conducting this study, doctors will gain better evidence on the optimal timing of catheter removal in men with AUR. The goal is to avoid unnecessarily long catheterization, reduce discomfort and complications, and improve the quality of care for men with AUR. The results of the RELIEF study may help improve the management of AUR, making care more consistent, efficient, and patient-friendly both in the Netherlands and abroad.

Eligibility

Sex
MALE
Min age
18 Years
Max age
—
Healthy volunteers
No
Inclusion Criteria: * Adult men (≥18 years) * Diagnosis of acute urinary retention (AUR) treated with a transurethral catheter (TUC) and alpha-blocker therapy (tamsulosin, silodosin, or alfuzosin) * Mentally competent and able to understand the potential benefits and burdens of study participation * Provision of written or digital informed consent Exclusion Criteria: * Failed prior TWOC within the preceding 30 days * Initial urinary retention volume \>1500 mL * Neurogenic bladder dysfunction (e.g., multiple sclerosis, spinal cord injury, spina bifida) * History of prostate cancer with ISUP grade group ≥2 * History of active bladder cancer or ongoing surveillance for bladder cancer * Urinary retention occurring within 72 hours after surgery (postoperative urinary retention) * History of lower urinary tract surgery (e.g., bladder augmentation, urethral surgery, or prostate surgery) * AUR suspected to be caused by bladder stones * Suspected urethral stricture, clot retention, or urosepsis * Contraindication to alpha-blocker therapy

Primary outcome measure(s)

  • Re-catheterization rate after TWOC. — Either 3 or 14 days after catheterization, depending on study group allocation.

Trial sites (11)

FacilityCityRegionStatus
St. Jansdal Harderwijk Gelderland Not Yet Recruiting
Canisius Wilhelmina Hospital Nijmegen Gelderland Recruiting
Zuyderland Ziekenhuis Heerlen Limburg Not Yet Recruiting
Maastricht University Medical Center+ Maastricht Limburg Recruiting
Catharina Hospital Eindhoven North Brabant Recruiting
OLVG Amsterdam North Holland Recruiting
Spaarne Gasthuis Hoofddorp North Holland Not Yet Recruiting
Ziekenhuisgroep Twente Hengelo Overijssel Not Yet Recruiting
Isala Zwolle Overijssel Recruiting
Martini Hospital Groningen Provincie Groningen Recruiting
Alrijne Hospital Leiderdorp South Holland Recruiting
Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT07283484 on ClinicalTrials.gov ↗ ← All trials in the Netherlands