Immune cell traffic in the cochlea after cochlear implantation
Official title: Role of immune cell trafficking through cochlear blood vessels and newly discovered cochlear lymphatics in the foreign body response following cochlear implantation
Funded at University of Iowa · NIH-11440843 · Data updated 2026-11-12
A short project will study how immune cells move through the cochlea’s blood vessels and lymphatics after cochlear implantation to understand inflammation and hearing outcomes.
Quick facts
| Grant type | R21 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Iowa NIH-funded |
| Lab location | 1 site (Iowa City, United States) |
| Project start | September 1, 2026 |
| Project end | June 30, 2029 |
| Funding year | 2026 |
| Award (this year) | $194,375 |
| NIH project number | 1R21DC024165-01 |
| Project ID | NIH-11440843 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates include individuals with cochlear implants and access to cochlear tissue samples or imaging data, as well as patients providing insight from human cochleae.
✕Less likely to help
Individuals without cochlear implants or access to relevant tissue/imaging data may not benefit directly.
What this research studies
After cochlear implantation, inflammation can reduce hearing performance. This project looks at how immune cells travel via cochlear blood vessels and lymphatic vessels, focusing on T cells in addition to macrophages. Using a mouse model and human observations, researchers will trace cell movement, lymphatic growth, blood vessel changes, and inflammatory signals to map how the immune system responds to the implant. The goal is to uncover mechanisms that drive the foreign body response and identify potential points to improve outcomes for CI recipients.
Why it matters
Potential benefit: If successful, the work could reveal new targets to reduce inflammation and preserve hearing after cochlear implantation.
How similar studies have gone: Previous work showed T-cell involvement and lymphatic changes in cochlear inflammation, but this project expands to blood vessel–lymphatic interactions with human relevance.
Where this research is happening
-
University of Iowa
Iowa City, United States Active
Researchers
- Principal investigator: Rahman, Muhammad Taifur — University of Iowa
- Study coordinator: Rahman, Muhammad Taifur
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About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page.