NIH-funded research R21 grant

Investigating a new target for treating major depressive disorder using brain imaging

Official title: Preliminary imaging studies evaluating the vesicular acetylcholine transporter as a treatment target in major depressive disorder

Funded at State University New York Stony Brook · NIH-10950488 · Data updated 2026-11-12

This study is looking at how a brain protein called VAChT might be connected to the severity of major depressive disorder, using special imaging to see its levels in the brain, with the hope of finding new ways to help people with depression.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionState University New York Stony Brook
NIH-funded
Lab location1 site (Stony Brook, United States)
Project startAugust 15, 2024
Project endAugust 14, 2026
Funding year2024
Award (this year)$438,625
NIH project number1R21MH137546-01
Project IDNIH-10950488 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals experiencing major depressive disorder or significant depressive symptoms.

Less likely to help

Patients with other mental health conditions unrelated to depression may not benefit from this research.

What this research studies

This research explores the role of the vesicular acetylcholine transporter (VAChT) in major depressive disorder (MDD) by using advanced brain imaging techniques. Researchers will visualize and quantify VAChT levels in the brain using a specialized PET tracer, aiming to understand how these levels relate to depression severity. The study builds on previous findings that suggest a link between low VAChT levels and increased acetylcholine, which may contribute to MDD. By validating this hypothesis, the research seeks to lay the groundwork for future therapeutic developments targeting the cholinergic system in depression.

Why it matters

Potential benefit: If successful, this research could lead to new treatment options for patients suffering from major depressive disorder.

How similar studies have gone: While the approach of targeting VAChT in depression is novel, previous studies have shown promising results in related areas of cholinergic dysfunction.

Where this research is happening

  • State University New York Stony Brook
    Stony Brook, United States
    Active

Researchers

  • Principal investigator: Parsey, Ramin V. — State University New York Stony Brook
  • Study coordinator: Parsey, Ramin V.

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.