Outpatient laser treatment for recurrent bladder cancer

Outpatient Laser Ablation of Recurrent Non-muscle Invasive Bladder Cancer

Observational Aarhus University Hospital · NCT05337397

This study is testing if a new outpatient laser treatment can safely help people with recurring low-grade bladder cancer without the need for general anesthesia.

Quick facts

Study typeObservational
Enrollment145 (estimated)
Ages18 Years and up
SexAll
SponsorAarhus University Hospital Academic / other
Drugs / interventionschemotherapy
Locations1 site (Aarhus)
Trial IDNCT05337397 on ClinicalTrials.gov

What this trial studies

This study investigates the feasibility and tolerability of using the Olympus Soltive laser to treat large recurrent low-grade Ta tumors in an outpatient setting. Non-muscle invasive bladder cancer (NMIBC) has a high recurrence rate, leading to burdensome long-term follow-ups for patients. The study aims to provide a less invasive alternative to traditional treatments, which often require general anesthesia and can pose risks, especially for elderly and multi-morbid patients. Participants will be informed about their rights and the study's procedures, ensuring ethical standards are maintained throughout.

Who should consider this trial

Good fit: Ideal candidates include patients with at least one low-grade NMIBC tumor larger than 1 cm but smaller than 3 cm.

Not a fit: Patients with high-grade disease, muscle invasive bladder cancer, or those with tumors larger than 3 cm will not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could reduce the need for invasive surgeries and improve the quality of life for patients with recurrent bladder cancer.

How similar studies have performed: While this approach is innovative, similar studies exploring outpatient laser treatments for bladder cancer have shown promising results.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* At least one tumour with a diameter \> 1 cm
* Papillary/non-solid tumours
* Previous low-grade NMIBC
* Ability to understand the participant information orally and in writing, in Danish, Spanish, Czech or French respectively
* Signed consent form

Exclusion Criteria:

* Tumour diameter \> 3cm
* Tumour in the prostatic urethra
* Previous CIS, high-grade disease or muscle invasive bladder cancer with no later low-grade recurrence
* Positive cytology within 3 months (testing not mandatory in patients with low-grade tumours)
* Pregnancy

Where this trial is running

Aarhus

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Non-Muscle Invasive Bladder CancerLaser ablation
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.