NIH-funded research R01 grant

Improving saliva and tear production in Sjögren's syndrome

Official title: Targeting P2 Receptors to Restore Salivary and Lacrimal Gland Function in Sjogren's Syndrome

Funded at University of Missouri-Columbia · NIH-11041086 · Data updated 2026-11-12

This study is looking at how blocking certain receptors in the glands that produce saliva and tears might help people with Sjögren's syndrome, a condition that causes dry mouth and dry eyes, by improving their gland function and making them feel better.

More Sjogren's Syndrome research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Missouri-Columbia
NIH-funded
Lab location1 site (Columbia, United States)
Project startMarch 1, 2021
Project endFebruary 28, 2026
Funding year2025
Award (this year)$594,601
NIH project number5R01DE029833-05
Project IDNIH-11041086 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals diagnosed with Sjögren's syndrome who experience symptoms of dry mouth and dry eyes.

Less likely to help

Patients who do not have Sjögren's syndrome or those with other unrelated conditions affecting saliva and tear production may not benefit from this research.

What this research studies

This research investigates how targeting specific receptors in the salivary and lacrimal glands can help restore their function in patients with Sjögren's syndrome, an autoimmune condition that leads to dry mouth and dry eyes. The study focuses on the P2X7 and P2Y2 receptors, which are involved in the inflammatory response and fluid secretion. By using antagonists to block these receptors, the researchers aim to enhance saliva and tear production, potentially improving the quality of life for affected individuals. The approach is based on findings from mouse models that show promising results in increasing gland function and reducing inflammation.

Why it matters

Potential benefit: If successful, this research could lead to new treatments that significantly improve saliva and tear production for patients suffering from Sjögren's syndrome.

How similar studies have gone: Previous research has shown success in targeting similar receptors for improving gland function, indicating a promising avenue for treatment development.

Where this research is happening

  • University of Missouri-Columbia
    Columbia, United States
    Active

Researchers

  • Principal investigator: Weisman, Gary Andrew — University of Missouri-Columbia
  • Study coordinator: Weisman, Gary Andrew

Related research

Other NIH-funded projects on the same topics.

  • Glycolytic metabolites, Calcium entry, and Sjögren’s syndrome

    A patient-focused look at how tiny changes in metabolism and calcium signaling might contribute to Sjögren’s syndrome and its effects on saliva.

    NIH research University of Texas Hlth Science Center · San Antonio, United States · NIH-11359626

  • How aging and cell stress damage salivary glands in Sjögren’s

    Researchers are testing whether getting older and increased oxidative (cell) stress make salivary glands more likely to be damaged in Sjögren’s, using mouse models that mimic the disease.

    NIH research Oklahoma Medical Research Foundation · Oklahoma City, United States · NIH-11296942

  • Protein-polymer treatment for Sjögren's

    This project creates tiny protein-polymer medicines intended to reduce eye and mouth dryness and inflammation for people with Sjögren's syndrome.

    NIH research University of Southern California · Los Angeles, UNITED STATES · NIH-11251228

  • Understanding Sjogren's Syndrome and Saliva Production

    This research explores how natural body chemicals and calcium affect saliva production and immune cells in people with Sjögren's syndrome.

    NIH research University of Texas Hlth Science Center · San Antonio, United States · NIH-11110346

  • Developing a new treatment for dry eye disease caused by Sjogren's syndrome

    This study is testing a new, easy-to-get treatment for dry eyes caused by Sjogren's syndrome, using special cells to create a healing extract that could help improve your symptoms and overall eye health.

    NIH research Stellular Bio, INC. · Watertown, United States · NIH-11067525

  • Investigating the role of LINE1 and IFI16 in Sjögren's syndrome

    This study is looking at how a specific part of our DNA interacts with the immune system in people with Sjögren's syndrome, which could help us understand the disease better and find new ways to treat it.

    NIH research Johns Hopkins University · Baltimore, United States · NIH-11036271

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.