Treatment of airway blockages with customized 3D stents

Treatment of Central Airway Stenoses Using Computer-Assisted Customized 3d Stents TATUM (Three-dimensional Airway Tailored Stent Using Computer-aided Modeling)

Not applicable Interventional University Hospital, Toulouse · NCT04848025

This study is testing whether specially designed 3D stents can help people with airway blockages breathe better and feel more comfortable than regular stents.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment30 (estimated)
Ages18 Years and up
SexAll
SponsorUniversity Hospital, Toulouse Academic / other
Locations1 site (Toulouse, Toulouse)
Trial IDNCT04848025 on ClinicalTrials.gov

What this trial studies

This study evaluates the effectiveness of computer-assisted, customized 3D stents for treating central airway stenoses. By utilizing CT-scan data, the stents are designed to fit the unique anatomy of each patient's airway, potentially improving safety and tolerance compared to traditional stenting methods. The study aims to assess these new generation stents in a broader patient population, building on promising results from a previous pilot study focused on complex cases. Participants will undergo rigid bronchoscopy for stent placement, with the stents being fabricated using advanced 3D printing technology.

Who should consider this trial

Good fit: Ideal candidates are adults over 18 with complex, symptomatic airway stenosis causing significant respiratory issues.

Not a fit: Patients experiencing acute respiratory distress or those who cannot undergo rigid bronchoscopy will not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could significantly reduce complications associated with airway stenting and improve patient outcomes.

How similar studies have performed: Previous studies have shown promising results with similar 3D stent approaches, indicating potential for success in this broader evaluation.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age \>18 years
* Informed consent
* Complex, proximal and symptomatic (dyspnea, cough, peak flow \< 50%, FEV1 \< 50% or post-stenotic infection) airway stenosis

Exclusion Criteria:

* Acute respiratory distress, mechanical ventilation
* Contraindication to rigid bronchoscopy (severe and irreversible coagulation disorders)
* Pregnancy

Where this trial is running

Toulouse, Toulouse

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 Airway Diseaserigid bronchoscopy3D computer-assisted fabricationsilicon-dedicated stent
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.