Clinical trial Recruiting at 1 site Interventional Ages 18 to 90

Cerebellar stimulation to improve cognitive function and mood

Official title: Cerebellar Transcranial Magnetic Stimulation and Cognitive Control

Run by University of Iowa · NCT03217110 · Data updated 2026-11-12

This study is testing if a special brain stimulation can help improve thinking and mood in people with schizophrenia, autism, bipolar disorder, and Parkinson's disease.

Quick facts

Study typeInterventional
Ages18 Years to 90 Years
SexAll
Enrollment200 (estimated)
SponsorUniversity of Iowa
Academic / other
Locations1 site (Iowa City, Iowa)
StatusRecruiting
StartedNovember 30, 2017
Main results expectedDecember 1, 2028
Study endsDecember 1, 2028
Registry record updatedMarch 19, 2026
Trial IDNCT03217110 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include individuals diagnosed with schizophrenia, autism spectrum disorder, bipolar disorder, or Parkinson's disease.

Probably not a fit

Patients with a history of recurrent seizures, other significant neurological or psychiatric disorders, or those who are pregnant or breastfeeding may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study investigates the use of cerebellar stimulation to enhance cognitive deficits and mood in patients with schizophrenia, autism spectrum disorder, bipolar disorder, and Parkinson's disease. Participants will undergo repetitive transcranial magnetic stimulation (rTMS) or sham stimulation over 5 to 6 visits, with cognitive, emotional, and EEG assessments conducted throughout. The goal is to determine if modulating cerebellar activity can restore frontal brain function and improve cognitive outcomes. The study aims to provide insights into the cerebellum's role in cognitive control and emotional regulation.

Why it matters

Potential benefit: If successful, this approach could lead to new treatment options for improving cognitive function and mood in patients with various neurological and psychiatric conditions.

How similar studies have gone: While the approach of using cerebellar stimulation is relatively novel, previous studies have shown promise in using transcranial magnetic stimulation for cognitive enhancement in similar populations.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* A clinical diagnosis consistent with enrollment

Exclusion Criteria:

* History of recurrent seizures or epilepsy
* Any other neurological or psychiatric diagnosis outside the diagnosis for which the participant is enrolled.
* Active substance use disorder in the past 6 months other than tobacco use disorder.
* Inability to consent for study.
* Pacemaker
* Coronary Stent
* Defibrillator
* Neurostimulation
* Claustrophobia
* Uncontrolled high blood pressure
* Atrial fibrillation
* Significant heart disease
* Hemodynamic instability
* Kidney disease
* Pregnant, trying to become pregnant, or breast feeding

Where it's running

  • University of Iowa
    Iowa City, Iowa, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
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.