Cerebellum metabolism and mood changes in bipolar disorder

Cerebellar metabolism, neural circuits, and symptoms in bipolar disorder

NIH-funded research University of Iowa · NIH-11177039

Researchers will follow people with bipolar I and matched controls over two years to see how cerebellum chemistry, activity, and structure change when mood shifts.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Iowa NIH-funded
Lab location1 site (Iowa City, United States)
Project IDNIH-11177039 on NIH RePORTER

What this research studies

You would join a two-year study that includes 170 people with bipolar I and 90 matched people without bipolar disorder. Participants will complete brief weekly mood check-ins, and when mood changes are detected those with bipolar disorder will be brought in for brain scans. Scans include imaging of brain chemistry, brain activity, and anatomy to track cerebellar changes over time. The goal is to link fluctuations in mood to changes in cerebellar metabolism and circuits.

Who could benefit from this research

Good fit: Adults with a diagnosed bipolar I disorder who can commit to two years of weekly mood checks and travel to Iowa City for periodic brain imaging are ideal candidates.

Not a fit: People without bipolar I, those with medical or metal implants that prevent MRI, pregnant people, or anyone unable to attend follow-up visits are unlikely to benefit directly from participation.

Why it matters

Potential benefit: If successful, this work could reveal brain changes that predict mood episodes and guide new monitoring methods or treatments targeting the cerebellum.

How similar studies have performed: Previous cross-sectional studies, including the investigators' own work, have found cerebellar differences in bipolar disorder, but longitudinal evidence linking cerebellar changes to mood fluctuations is limited.

Where this research is happening

Iowa City, United States

Researchers

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 below.
Conditions Bipolar Disorder
Last reviewed 2026-06-13 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.