NIH-funded research R01 grant

Improving airway surgery for children with severe breathing issues

Official title: Laryngotracheal Reconstruction with Engineered Cartilage

Funded at Children's Hosp of Philadelphia · NIH-11030771 · Data updated 2026-11-12

This study is working on a new type of cartilage implant to help kids with severe airway narrowing, making surgeries safer and more successful by using a special scaffold that grows their own cells into new cartilage.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionChildren's Hosp of Philadelphia
NIH-funded
Lab location1 site (Philadelphia, United States)
Project startApril 15, 2023
Project endFebruary 28, 2027
Funding year2025
Award (this year)$563,777
NIH project number5R01HL161583-03
Project IDNIH-11030771 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are children under 11 years old who have severe subglottic stenosis requiring surgical intervention.

Less likely to help

Patients with airway issues not related to subglottic stenosis or those over the age of 11 may not benefit from this research.

What this research studies

This research focuses on developing a new type of cartilage implant to improve laryngotracheal reconstruction (LTR) for children suffering from severe subglottic stenosis, a condition that narrows the airway. The current surgical method often fails due to insufficient autologous cartilage, leading to a high rate of complications. By using a microstructured polymeric scaffold populated with the patient's own cells, the research aims to create a cartilage graft that can be ready for use in a shorter timeframe, enhancing the chances of successful surgery. The approach seeks to overcome the limitations of existing methods that result in hypertrophic and calcified tissue.

Why it matters

Potential benefit: If successful, this research could significantly improve surgical outcomes and quality of life for children with airway obstructions.

How similar studies have gone: Previous research has shown promise in tissue engineering for cartilage, but this specific approach is novel and aims to address significant clinical challenges.

Where this research is happening

  • Children's Hosp of Philadelphia
    Philadelphia, United States
    Active

Researchers

  • Principal investigator: Gottardi, Riccardo — Children's Hosp of Philadelphia
  • Study coordinator: Gottardi, Riccardo

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About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 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.