CB2 makes skin itch relief more possible: targeting itch pathways in humans
Official title: CB2 modulation of pruriceptive circuits: cellular requirements and mechanisms
Funded at Trustees of Indiana University · NIH-11441309 · Data updated 2026-11-12
A study explores how activating the CB2 receptor in skin cells and immune cells could reduce chronic itch in conditions like dermatitis, with results aimed at safer, peripherally focused treatments.
Quick facts
| Grant type | R21 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Trustees of Indiana University NIH-funded |
| Lab location | 1 site (Bloomington, United States) |
| Project start | September 9, 2026 |
| Project end | August 31, 2028 |
| Funding year | 2026 |
| Award (this year) | $370,494 |
| NIH project number | 1R21AR088220-01 |
| Project ID | NIH-11441309 on NIH RePORTER |
Who could benefit from this research
✓Could help
Adults and children with inflammatory skin conditions characterized by chronic itch, such as dermatitis, who could participate in future topical or localized treatment studies.
✕Less likely to help
People whose itch does not involve CB2 pathways or who cannot participate in future topical/local studies may not benefit.
What this research studies
This project looks at how CB2 receptors in skin and nearby immune cells contribute to itch in adults and potentially in children. It uses preclinical models to understand where CB2 acts and which cells are involved, with the goal of guiding topical or localized therapies. The aim is to develop treatments that minimize systemic effects while easing itch and improving quality of life for people with inflammatory skin conditions.
Why it matters
Potential benefit: If successful, this work could lead to new, safer itch-relief options that work at the skin level with fewer systemic side effects.
How similar studies have gone: Prior studies suggest CB2 activation can reduce itch in animals and has a safety profile in humans, but exact skin targets and mechanisms in humans require confirmation.
Where this research is happening
-
Trustees of Indiana University
Bloomington, United States Active
Researchers
- Principal investigator: Mackie, Kenneth — Trustees of Indiana University
- Study coordinator: Mackie, Kenneth
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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.