University of California Los Angeles
Los Angeles, California, 90095-1563, United States
NCT Number: NCT06285474
This study will observe changes in brain imaging, behavior, and symptom measures following intervention with low intensity focused ultrasound pulsation (LIFUP) targeting reward circuitry in individuals who are depressed and anhedonic.
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Notify Me18 year–65 year
All sexes
Interventional
Not applicable
Los Angeles, California, 90095-1563, United States
Participants will wear a provided Apple watch and download a study app to their personal phones in order for activity and phone use metrics to be collected. Participants will respond to weekly email surveys, daily ecological momentary assessment (EMA) surveys, complete computer-based neurocognitive assessments, undergo a baseline MRI scan with spectroscopy, receive 3 sessions of LIFUP sonication, undergo a follow up MRI with spectroscopy, then continue to be followed with surveys, neurocognitive assessment, and watch/phone data collection for 3 weeks after follow up MRI scan.
Participants will be randomized 1:1 active:sham to receive LIFUP targeting the caudate head of the brain. Conditions will be double blinded so that neither participants nor investigators or research staff know if active or sham sonication is being administered.
Healthy volunteers accepted: No
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
All participants will undergo 3 identical LIFUP sessions. All sessions must occur at least 1 day apart, and no more than 3 days apart, such that sessions may occur at minimum on days 1, 3, 5 and at maximum may occur on days 1, 5, 9.
Time frame: Week 0, Pre-scan, Baseline, week 1, week 2 week 3, week 4, week 5
Validated, self-report, 14 item assessment of depressive symptoms in the past 2 weeks. Score range 0- 24. Higher scores indicate higher severity of depressive symptoms.
Time frame: Week 0, Pre-scan, Baseline, week 1, week 2 week 3, week 4, week 5
Validated, self-report 21 item assessment of reward sensitivity. 13 subscales measure different domains of reward sensitivity (range 3-27), with total score (range 1-9) representing overall reward sensitivity. Lower scores indicate more anhedonic responses.
Time frame: Pre-scan, week 5
changes in fMRI resting state connectivity, spectroscopy (concentration of glutamate and GABA in the ACC region), and task-based neural activation (using card guessing task) Card Guessing Task: During the scan, participants are asked to guess the value of cards presented on a screen, and are provided immediate feedback as to whether their guesses were correct or not. Participants are informed prior to performing the task, that money is awarded for each correct guess. This task measures reward sensitivity.
Apple Gathering Task: Effort is expended by participants squeezing a hand-grip measurement tool, which translates a signal to the screen showing the amount of effort they are expending to receive a pre-determined amount of "reward". Participants can accept or reject trials of effort based on the amount of reward they would be due to receive. This task measures reward sensitivity and motivation.
Time frame: Week 0, Pre-scan, Baseline, week 1, week 2 week 3, week 4, week 5
Ecological momentary assessment (EMA) is a custom 16 item self-report assessment of in-the moment mood and activity. This is a data collection instrument without a standardized scoring method.
Time frame: Week 0, Pre-scan, Baseline, week 1, week 2 week 3, week 4, week 5
Apple watch & phone sensor metrics of sleep.
Time frame: Week 0, Pre-scan, Baseline, week 1, week 2 week 3, week 4, week 5
Apple watch & phone sensor metrics of physical activity.
Time frame: Week 0, Pre-scan, Baseline, week 1, week 2 week 3, week 4, week 5
Apple watch & phone sensor metrics of heart rate.
Time frame: Week 0, Pre-scan, Baseline, week 1, week 2 week 3, week 4, week 5
Apple watch & phone sensor metrics of heart rate variability.
Time frame: Week 0, Pre-scan, Baseline, week 1, week 2 week 3, week 4, week 5
Apple watch & phone sensor metrics of respiratory rate.
Time frame: Week 0/Baseline, week 5
Validated, 5 item assessment of self-reported current mental wellbeing. Total score range 0-25, is multiplied by 4 to give the final score, with 0 representing the worst imaginable well-being and 100 representing the best imaginable well-being.
Time frame: Week 0/Baseline, week 5
Validated, 18 item self-report of recent sleep quality. Domain scores calculate items like sleep latency, disturbance, etc. and are used to calculate total score. Total score range is 0-21 with higher total scores indicating worse sleep quality.
Time frame: Week 0/Baseline, week 5
Validated, 15 item self-report of depressive symptoms. Total score range is 0-24 with higher total scores indicating more severe depressive symptoms.
Time frame: Day 2, week 1, week 2
Validated, self-report 9 item assessment of depressive symptoms including suicidal ideation. Score range 0-27. Higher scores indicate higher severity of depressive symptoms.
Time frame: Week 0/Baseline, week 5
Validated, 5 item self-report irritability measure. Score range 5-30 with higher scores indicating more irritable responses.
Time frame: Week 0/Baseline, week 5
Validated, 7 item self-report of anxiety symptoms. Score range 0-21 with higher scores indicating more anxious symptoms.
Time frame: Week 0/Baseline, week 5
Validated, 14 item self-report measure of hedonic experience or positive valence. Total score range is 0-14 with higher scores representing more anhedonic responses.
Time frame: Pre-scan, week 5
Custom, 22 item self-report measure of history and current presence of suicidal ideation and behavior. Domain scores assess current and lifetime severity. Score range 0-1 with higher scores indicating more severe suicidal ideation and risk.
Time frame: Week 0/Baseline, week 5
Validated, 18 item self-report index of apathy and motivation. Domain scores assess behavioral, social, and emotional responses. Score range for each domain is 0-4 with higher scores indicating more apathetic or unmotivated responses.
Time frame: Week 0/Baseline, week 5
Custom, 5 item survey assessing self-reported well-being focused on values, meaning and purpose in life. Total score range 0-20 with lower scores reflecting responses of low wellbeing.
Time frame: Week 0/Baseline, week 5
Validated, 8 item assessment of self-reported functional impairment of current symptoms in work/school, social life, and family life. Total score range 0-40 with higher scores indicating more impairment.
Time frame: Week 0/Baseline, week 5
Validated, 9 item assessment of self-reported symptoms of rumination. Total score range 0-27 with higher scores reflecting more rumination.
Time frame: Week 0/Baseline, week 5
Validated self-report measure of traumatic life events. This is a data collection instrument without a standardized scoring method which will be used as a covariate.
Time frame: Week 0/Baseline, week 5
Custom self-report of daily activities and phone usage. This is a data collection instrument without a scoring method.
Time frame: Week 0/Baseline, week 5
Validated, 6 item assessment of self-reported household food security. Total score range 0-6 with higher scores indicating higher food insecurity. This measure will be used as a covariate.
Time frame: Week 0/Baseline, week 5
Validated, 40 item assessment of self-reported exposure to moderate-to-major stressful life events. Score range 0-40 with higher scores representing more exposure to stressful life events. This measure will be used as a covariate.
Time frame: Pre-scan, week 5
TestMyBrain is a computer administered neurocognitive battery that will provide scores for emotion recognition accuracy. Where accuracy scores represent the proportion correct responses across trials, with higher scores indicating more accurate responses.
Time frame: Pre-scan, week 5
TestMyBrain is a computer administered neurocognitive battery that will provide scores for scores for emotion recognition response times. Higher response times indicate taking longer to generate a response.
Time frame: Pre-scan, week 5
TestMyBrain is a computer administered neurocognitive battery that will provide scores for continuous concentration accuracy. Where accuracy scores represent the proportion correct responses across the trial, with higher scores indicating more accurate responses.
Time frame: Pre-scan, week 5
TestMyBrain is a computer administered neurocognitive battery that will provide scores for scores for continuous concentration response times. Higher response times indicate taking longer to generate a response.
Time frame: Pre-scan, week 5
TestMyBrain is a computer administered neurocognitive battery that will provide scores for continuous concentration errors. Error scores represent the proportion errors committed during the trial, with higher scores indicating more errors.
Time frame: Pre-scan, week 5
Effort is expended by participants squeezing a hand-grip measurement tool, which translates a signal to the screen showing the amount of effort they are expending to receive a pre-determined amount of "reward". Participants can accept or reject trials of effort based on the amount of reward they would be due to receive. This task measures reward sensitivity and motivation.
University of California, Los Angeles
Other
Investigating Low Intensity Focused Ultrasound Pulsation (LIFUP) in Anhedonic Depression
Acronym: ILIAD
OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.
View the official ClinicalTrials.gov record (opens in a new tab)This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.
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