NCT05613790|Unknown
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Sponsor study identifier
interventional
24
1 country
1
Study Start
November 2, 2022
Actual (reported)Primary Completion
March 2023
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
March 2023
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
In a randomized, triple-blind, sham-controlled clinical trial, we will assess the effect of a single session frontal cortex High-Definition transcranial Direct Current Stimulation (HD-tDCS) on brain activity and functional connectivity underlying the behavioral change in attentional control in healthy participants. Participants will be recruited after meeting the inclusion criteria and will be randomly assigned to active or sham stimulation groups. All participants will undergo resting-state functional Magnetic Resonance Imaging (rsfMRI) scan and perform an Attention Network Test (ANT) in a functional Magnetic Resonance Imaging (fMRI) scanner before and after receiving a single session of active or sham HD-tDCS.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
March 2023
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
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Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
October 31, 2022
Actual (reported)November 2, 2022
Actual (reported)November 14, 2022
Actual (reported)March 2023
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
March 2023
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Change in Attention Network Test (ANT) performance before and after the intervention (active versus sham HD-tDCS)
Immediate before and immediate after intervention
Change in resting state functional connectivity before and after the intervention (active versus sham HD-tDCS)
Immediate before and immediate after intervention
Change in task-based functional connectivity during Attention Network Test (ANT) before and after the intervention (active versus sham HD-tDCS)
Immediate before and immediate after intervention
Change in the blood-oxygen-level-dependent (BOLD) signal during Attention Network Test (ANT) before and after the intervention (active versus sham HD-tDCS)
Immediate before and immediate after intervention
Side effect checklist for transcranial Direct Current Stimulation (Reported as Yes or No)
One day after simulation session
Participants in the active arm will receive 20 min of real High-Definition transcranial direct current stimulation. Additional ramp-up and ramp-down phases at the beginning and the end of stimulation will last for 30 s.
During the sham session, the montage will be identical, however, the current amplitude will ramp up for 30 seconds, and for the remaining stimulation time, the current flow will terminate and will be kept to zero. Ramp-down phase at the end of stimulation will last for 30 s.
Portable multi-channel tES stimulation (Starstim 8, Neuroelectric, Barcelona, Spain) will be used.
Portable multi-channel tES stimulation (Starstim 8, Neuroelectric, Barcelona, Spain) will be used.
Faculty of Psychology
Tehran, 1445983861, Iran
First Submitted
October 31, 2022
First Posted
November 14, 2022
Study Start
November 2, 2022
Actual (reported)Stimulating Compassion UsingTranscutaneous Vagus Nerve Stimulation
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Primary Completion
March 2023
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
March 2023
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Last Updated
November 18, 2022
Record last verified: 2022-11
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Source: ClinicalTrials.gov.
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