Trial Outcomes & Findings for Neuromodulation for Comorbid Hoarding Disorder and Depression (NCT NCT05985356)

NCT ID: NCT05985356

Last Updated: 2026-06-17

Results Overview

Saving Inventory - Revised, measuring hoarding symptom severity. Min=0, Max=92. Higher scores indicate more severe hoarding symptoms.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

14 participants

Primary outcome timeframe

change from baseline to 8 weeks

Results posted on

2026-06-17

Participant Flow

Participants were initially recruited from a waitlist for HD treatment in the San Diego, California area. However, participants also found the study online via clinicaltrials.gov

This was a single group study. Participants completed baseline assessment and then began treatment.

Participant milestones

Participant milestones
Measure
iTBS
intermittent Theta Burst Stimulation (a form of transcranial magnetic stimulation) targeting the left dorsolateral prefrontal cortex
Overall Study
STARTED
11
Overall Study
COMPLETED
10
Overall Study
NOT COMPLETED
1

Reasons for withdrawal

Reasons for withdrawal
Measure
iTBS
intermittent Theta Burst Stimulation (a form of transcranial magnetic stimulation) targeting the left dorsolateral prefrontal cortex
Overall Study
Withdrawal by Subject
1

Baseline Characteristics

3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
iTBS
n=11 Participants
intermittent Theta Burst Stimulation (a form of transcranial magnetic stimulation) targeting the left dorsolateral prefrontal cortex
Age, Continuous
52 years
n=9 Participants • 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)
Sex: Female, Male
Female
6 Participants
n=9 Participants • 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)
Sex: Female, Male
Male
5 Participants
n=9 Participants • 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=9 Participants • 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)
Race (NIH/OMB)
Asian
1 Participants
n=9 Participants • 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=9 Participants • 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)
Race (NIH/OMB)
Black or African American
0 Participants
n=9 Participants • 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)
Race (NIH/OMB)
White
10 Participants
n=9 Participants • 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)
Race (NIH/OMB)
More than one race
0 Participants
n=9 Participants • 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=9 Participants • 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=9 Participants • 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)
Ethnicity (NIH/OMB)
Not Hispanic or Latino
9 Participants
n=9 Participants • 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=9 Participants • 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)
HAM-D
22.4 score on a scale
STANDARD_DEVIATION 3.2 • n=9 Participants
PHQ-9
16.6 score on a scale
STANDARD_DEVIATION 5.0 • n=9 Participants
HRS
30.6 score on a scale
STANDARD_DEVIATION 5.3 • n=9 Participants
SI-R
63.7 score on a scale
STANDARD_DEVIATION 9.2 • n=9 Participants
Resting state functional connectivity
-.095 Fisher's Z-score
STANDARD_DEVIATION .057 • n=9 Participants
Neuropsychological Global Deficit Score
.18 Points on a scale
STANDARD_DEVIATION .26 • n=9 Participants

PRIMARY outcome

Timeframe: change from baseline to 8 weeks

Population: 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)

Saving Inventory - Revised, measuring hoarding symptom severity. Min=0, Max=92. Higher scores indicate more severe hoarding symptoms.

Outcome measures

Outcome measures
Measure
iTBS
n=11 Participants
intermittent Theta Burst Stimulation (a form of transcranial magnetic stimulation) targeting the left dorsolateral prefrontal cortex
Saving Inventory -- Revised
50.6 score on a scale
Standard Deviation 16.6

PRIMARY outcome

Timeframe: change from baseline to 8 weeks

Population: 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)

Hamilton Rating Scale for Depression, measuring depression symptom severity. Min=0, Max=50. Higher scores represent more severe depression symptoms.

Outcome measures

Outcome measures
Measure
iTBS
n=11 Participants
intermittent Theta Burst Stimulation (a form of transcranial magnetic stimulation) targeting the left dorsolateral prefrontal cortex
Hamilton Rating Scale for Depression
11.0 score on a scale
Standard Deviation 7.2

SECONDARY outcome

Timeframe: change from baseline to 8 weeks

Population: 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)

Hoarding Rating Scale, measuring hoarding symptom severity. Min=0, Max=40. Higher scores represent more severe hoarding symptoms.

Outcome measures

Outcome measures
Measure
iTBS
n=11 Participants
intermittent Theta Burst Stimulation (a form of transcranial magnetic stimulation) targeting the left dorsolateral prefrontal cortex
Hoarding Rating Scale
11.0 score on a scale
Standard Deviation 7.2

SECONDARY outcome

Timeframe: change from baseline to 8 weeks

Population: 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)

Patient Health Questionnaire - 9, measuring depression symptom severity. Min=0, Max=27. Higher scores indicate more severe depression symptoms.

Outcome measures

Outcome measures
Measure
iTBS
n=11 Participants
intermittent Theta Burst Stimulation (a form of transcranial magnetic stimulation) targeting the left dorsolateral prefrontal cortex
Patient Health Questionnaire - 9
10.4 score on a scale
Standard Deviation 8.5

SECONDARY outcome

Timeframe: change from baseline to 8 weeks

Population: 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)

Neuropsychological Global Deficit Score, measuring global cognitive performance. Min=0, Max=5. Higher scores indicate worse cognitive performance.

Outcome measures

Outcome measures
Measure
iTBS
n=11 Participants
intermittent Theta Burst Stimulation (a form of transcranial magnetic stimulation) targeting the left dorsolateral prefrontal cortex
Neuropsychological Global Deficit Score
.03 Points on a scale
Standard Deviation .06

SECONDARY outcome

Timeframe: change from baseline to 4 weeks

Population: 3 participants not assigned to treatment due to not completing baseline assessment (1) or not meeting study criteria (2)

Resting state functional connectivity between subgenual cingulate and dorsolateral prefrontal cortex. There are no mathematical minimums or maximums for this Fisher's Z score. Higher values represent greater connection between brain regions.

Outcome measures

Outcome measures
Measure
iTBS
n=11 Participants
intermittent Theta Burst Stimulation (a form of transcranial magnetic stimulation) targeting the left dorsolateral prefrontal cortex
Resting State Functional Connectivity
-.089 Fisher's Z score
Standard Deviation .069

Adverse Events

iTBS

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Elizabeth Twamley

UC San Diego

Phone: 858-642-3848

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place