Status:

COMPLETED

Effects of L-theanine on Motor Cortex Excitability in Healthy Subjects: A Paired-Pulse TMS Study

Lead Sponsor:

Butler Hospital

Conditions:

Cortical Excitability

Psychiatric Disorder

Eligibility:

All Genders

18-65 years

Phase:

EARLY_PHASE1

Brief Summary

Major depressive disorder (MDD) is a serious mental illness and the leading cause of disability worldwide. New pharmacotherapeutic agents with complementary neurobiological mechanism and better side e...

Detailed Description

Background and Significance: Major depressive disorder (MDD) is a serious mental illness and the leading cause of disability worldwide. Although many antidepressants acting on synaptic monoamine leve...

Eligibility Criteria

Inclusion

  • Adult, aged between 18 and 65 years old;
  • Able to read/speak English and give informed consent
  • No current or history of Axis I psychiatric disorders by DSM-5.
  • Free of psychotropic medication use

Exclusion

  • History of significant acute or chronic neurological or medical disorder or condition that increases risk for seizure with TMS;
  • History of alcohol use disorder, nicotine dependence, adjustment disorder;
  • History of allergic reactions to L-theanine or green tea;
  • Pregnancy;
  • Unable/unwilling to abstain from nutraceutical supplements and psychotropic agents during participation in the study
  • Unable/ unwillingness to refrain from recreational substance use (e.g. alcohol or marijuana) during participation in the study;
  • Meet criteria for exclusion from TMS or MRI procedures, including intracranial metal implants or nonremovable ferromagnetic items in the head/neck.

Key Trial Info

Start Date :

June 9 2020

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

May 31 2021

Estimated Enrollment :

11 Patients enrolled

Trial Details

Trial ID

NCT04749745

Start Date

June 9 2020

End Date

May 31 2021

Last Update

September 23 2021

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Butler Hospital

Providence, Rhode Island, United States, 02906