NIH-funded research R21 grant

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 typeR21 grant
Study typeNIH-funded research
Funding institutionTrustees of Indiana University
NIH-funded
Lab location1 site (Bloomington, United States)
Project startSeptember 9, 2026
Project endAugust 31, 2028
Funding year2026
Award (this year)$370,494
NIH project number1R21AR088220-01
Project IDNIH-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

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.