NCT06552026

Brief Summary

Study comparing the efficacy of two TMS patterns (intermittent theta-burst stimulation, iTBS, and repetitive transcranial magnetic stimulation, rTMS) in treating anhedonia and their associated brain network mechanisms.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
33

participants targeted

Target at below P25 for not_applicable depression

Timeline
Completed

Started Aug 2020

Typical duration for not_applicable depression

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

August 12, 2020

Completed
2.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 10, 2022

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 14, 2022

Completed
1.6 years until next milestone

First Submitted

Initial submission to the registry

July 22, 2024

Completed
22 days until next milestone

First Posted

Study publicly available on registry

August 13, 2024

Completed
Last Updated

August 13, 2024

Status Verified

August 1, 2024

Enrollment Period

2.2 years

First QC Date

July 22, 2024

Last Update Submit

August 11, 2024

Conditions

Keywords

anhedonia; intermittent theta burst stimulation

Outcome Measures

Primary Outcomes (2)

  • Change in depression symptoms severity

    The Hamilton depression rating scale-17 items (HAMD-17) to clinically assess severity of depression. The curative effects of the treatment were classified according to the reduction in HAMD. Response was defined as ≥50% symptom reduction from pre-to post-treatment with a HAMD score; remission criteria were set at a post-treatment score ≤7 for HAMD.

    Baseline;15 days after treatment

  • Change from baseline in Motivation and Pleasure Scale

    Change from baseline in Motivation and Pleasure Scale The severity of participants' anhedonia assessed by the Motivation and Pleasure Scale change from baseline after the treatment.

    Baseline;15 days after treatment

Secondary Outcomes (1)

  • The alteration from baseline in electrophysiological source imaging results in multimodalities

    Baseline;15 days after treatment

Study Arms (2)

iTBS stimulation

EXPERIMENTAL

The iTBS stimulation lasted 3 min 9 s and delivered at triplet 50 Hz bursts, repeated at 5 Hz with 2s on, 8 s off, 600 pulses per session at 80% of the rest motor threshold(RMT) . Behavior and EEG dataset should be acquired before the first iTBS session and after the last iTBS session.

Device: repeated transcranial magnetic stimulation

10 Hz-rTMS stimulation

ACTIVE COMPARATOR

The rTMS stimulation lasted 25 mins and delivered at 10 Hz with 1s duration,4s rest, a total of 3000 pulses at 100% of the rest motor threshold(RMT) . Behavior and EEG dataset should be acquired before the first rTMS session and after the last rTMS session.

Device: repeated transcranial magnetic stimulation

Interventions

repetitive transcranial magnetic stimulation by use of high-frequency (10 Hz) left-side DLPFC stimulation is currently widely used in the treatment of depression17.Intermittent theta burst stimulation (iTBS) is a newer form of rTMS that can be delivered with shorter duration of stimulation sessions and apparent efficacy at lower stimulation intensities18. Both 10 Hz and intermittent theta burst stimulation pulses have an excitatory effect on cortical excitability

10 Hz-rTMS stimulationiTBS stimulation

Eligibility Criteria

Age16 Years - 50 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)

You may qualify if:

  • diagnosed by more than two clinical psychiatrists, using the DSM-5 diagnostic criteria for depression.
  • the Self-Report Apathy Evaluation Scale score was more than 37 and the The Temporal Experience of Pleasure Scale score was less than 76.
  • consistent medical therapeutic plan for ≥4 weeks or no history of antidepressant drugs before rTMS treatment.
  • aged between 16 and 50 years old.

You may not qualify if:

  • participants with unstable physical conditions, pregnancy or those that were breastfeeding.
  • metal implants on or inside the head. increased intracranial pressure from cerebral infarction or brain injury. a history of substance abuse or major psychiatric diseases other than depression and current use of psychoactive drug.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Anhui Medical University

Hefei, Anhui, 230032, China

Location

MeSH Terms

Conditions

DepressionAnhedonia

Condition Hierarchy (Ancestors)

Behavioral SymptomsBehaviorNeurobehavioral ManifestationsNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Kai Wang, PHD

    Anhui Medical University

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Masking Details
In this clinical trial, a double-blind design will be implemented. Neither the participants nor the researchers conducting the trial will be aware of the specific objectives or the allocation of treatment conditions. This approach is intended to eliminate bias and ensure the integrity of the study's outcomes.
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: a parallel two-arm model ,Participants were randomized to two groups by coin toss, and delivered rTMS or iTBS over the lDLPFC-NAcc once daily for 15 consecutive days.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

July 22, 2024

First Posted

August 13, 2024

Study Start

August 12, 2020

Primary Completion

October 10, 2022

Study Completion

December 14, 2022

Last Updated

August 13, 2024

Record last verified: 2024-08

Locations