Could 3 days beat 14? new study tests shorter catheter use for sudden urinary blockage

NCT ID NCT07283484

Recruiting now Symptom relief Sponsor: Liselot Ribbert Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

Acute urinary retention (AUR) is a sudden inability to urinate, often due to an enlarged prostate. The RELIEF study compares removing the catheter after 3 days versus the usual 14 days in 478 men. All participants receive a catheter and prostate medication. The goal is to see if a shorter duration is equally successful at restoring normal urination, while reducing discomfort and complications.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: alpha-blocker medication (tamsulosin, silodosin, or alfuzosin)
What this could lead to: If successful, this could lead to shorter, more comfortable catheter use for men with acute urinary retention, reducing infections and improving quality of life.
What could go wrong: This is a mid-sized trial, and results may not apply to all patients. A shorter catheter duration might increase the risk of needing re-catheterization.

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Conditions

The condition(s) this trial relates to.

benign prostatic hyperplasia Urinary Retention

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

ACUTE URINARY RETENTION BENIGN PROSTATE HYPERPLASIA BENIGN PROSTATE HYPERTROPHY(BPH) BENIGN PROSTATE OBSTRUCTION

Contacts and locations

Locations

Alrijne Hospital
RECRUITING

Leiderdorp, South Holland, 2353 GA, Netherlands
Canisius Wilhelmina Hospital
RECRUITING

Nijmegen, Gelderland, 6532SZ, Netherlands
Catharina Hospital
RECRUITING

Eindhoven, North Brabant, 5623 EJ, Netherlands
Isala
RECRUITING

Zwolle, Overijssel, 8025AB, Netherlands
Maastricht University Medical Center+
RECRUITING

Maastricht, Limburg, 6229 HX, Netherlands
Martini Hospital
RECRUITING

Groningen, Provincie Groningen, 9728NT, Netherlands
OLVG
RECRUITING

Amsterdam, North Holland, 1091 AC, Netherlands
Spaarne Gasthuis
NOT_YET_RECRUITING

Hoofddorp, North Holland, 2134 TM, Netherlands
St. Jansdal
NOT_YET_RECRUITING

Harderwijk, Gelderland, 3844 DG, Netherlands
Ziekenhuisgroep Twente
NOT_YET_RECRUITING

Hengelo, Overijssel, 7555 DL, Netherlands
Zuyderland Ziekenhuis
NOT_YET_RECRUITING

Heerlen, Limburg, 6419 PC, Netherlands

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