NIH-funded research R01 grant

Improving islet transplantation for Type 1 diabetes management

Official title: Vascularized NICHE with local immunosuppression for cell replacement for Type 1 diabetes

Funded at Methodist Hospital Research Institute · NIH-11088221 · Data updated 2026-11-12

This study is exploring a new way to improve islet transplants for people with Type 1 diabetes by using a special system that helps protect the transplanted cells and reduces the need for strong medications, which could lead to a safer and more effective treatment for managing diabetes.

More Diabetes research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionMethodist Hospital Research Institute
NIH-funded
Lab location1 site (Houston, United States)
Project startSeptember 12, 2022
Project endMay 31, 2027
Funding year2025
Award (this year)$754,051
NIH project number5R01DK133610-04
Project IDNIH-11088221 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals with Type 1 diabetes who may benefit from islet transplantation.

Less likely to help

Patients who do not have Type 1 diabetes or those who are not candidates for islet transplantation may not benefit from this research.

What this research studies

This research investigates a novel approach to enhance islet transplantation for patients with Type 1 diabetes by developing a vascularized encapsulation system called the NICHE. This system aims to provide a supportive environment for transplanted cells while delivering immunosuppressants locally to prevent immune rejection, thereby reducing the need for systemic immunosuppression and its associated risks. The study will involve testing this innovative method in nonhuman primates to assess its effectiveness in maintaining long-term cell viability and restoring normal blood sugar levels. Patients may benefit from a more effective and safer treatment option for managing their diabetes.

Why it matters

Potential benefit: If successful, this research could lead to safer and more effective treatments for Type 1 diabetes, potentially reducing the need for lifelong immunosuppression.

How similar studies have gone: Previous research has shown promise in similar approaches to improve islet transplantation, but this specific method is innovative and largely untested.

Where this research is happening

  • Methodist Hospital Research Institute
    Houston, United States
    Active

Researchers

  • Principal investigator: Grattoni, Alessandro — Methodist Hospital Research Institute
  • Study coordinator: Grattoni, Alessandro

Related research

Other NIH-funded projects on the same topics.

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.