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Evaluation the clinical efficacy and central brain mechanisms of transcutaneous auricular acupoint vagus nerve stimulation in the treatment of patients with chronic insomnia based on fMRI

Evaluation the clinical efficacy and central brain mechanisms of transcutaneous auricular acupoint vagus nerve stimulation in the treatment of patients with chronic insomnia based on fMRI

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ITMCTR
Registry ID
ITMCTR2025000261
Enrollment
Unknown
Registered
2025-02-13
Start date
2025-02-15
Completion date
Unknown
Last updated
2025-03-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Insomnia Disorder

Interventions

2:sham-tVNS
1:transcutaneous vagus nerve stimulationt(tVNS) treatment

Sponsors

No.95 Tiankun 3rd Road Tianhe District Guangzhou China and The Second Clinical College of Guangzhou University of Chinese Medicine(Guangdong Provincial Hospital of Chinese Medicine)
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Diagnostic criteria: According to The Diagnostic and Statistical Manual of Mental Disorders V (SEM-V) the diagnostic criteria for insomnia disorders are as follows: 1) Significant dissatisfaction with the quality or quantity of sleep accompanied by at least one of the following symptoms: (1) Difficulty falling asleep; (2) difficulty maintaining sleep characterized by frequent awakenings or difficulty falling asleep after awakening; (3) inability to fall back asleep after waking early; 2) Sleep disturbance (or related daytime fatigue) causes significant distress or social occupational educational academic behavioral or other significant social impairment; 3) Sleep difficulties occur at least 3 times per week; 4) Sleep difficulties have been present for at least 3 months; 5) Sleep difficulties occur even if you have enough sleep opportunities; 6) Insomnia is not better explained by other sleep disorders and does not occur during the course of other sleep disorders (narcolepsy episodes breathing-related sleep disorders sleep-wake rhythm disorders and parasomnia); 7) Sleep is not caused by the physiological effects of substances (such as substance abuse); 8) Co-existing mental disorders and medical conditions are insufficient to explain significant sleep complaints. Inclusion criteria: 1) Meet the above diagnostic criteria; 2) The age range is 18 to 65 years old both male and female; (3) Pittsburgh Sleep Quality Index score > 7; 4) Have the ability to read and write and can cooperate with examination and treatment; 5) no acupuncture treatment for insomnia in the past 3 months; No metal implants no claustrophobia MRI and other contraindications; 6) Subjects are informed voluntarily accept tVNS treatment and sign informed consent.

Exclusion criteria

Exclusion criteria: Exclusion criteria: 1) Patients with serious life-threatening primary diseases such as cardiovascular and cerebrovascular liver kidney and hematopoietic system and other serious mental disorders; 2) Patients with severe Anxiety or Depression whose standard score is greater than or equal to 50 points by Self-Rating Anxiety Scale (SAS) or Self-rating Depression Scale (SDS); (3) Women who are pregnant or planning to become pregnant breastfeeding women; 4) insomnia caused by depression or anxiety disorder; Insomnia caused by poor sleep hygiene; Do not stop taking relevant drugs as required during treatment; 5) Patients who could not adhere to tVNS acupuncture treatment and could not understand the scale; Ear trauma (including sunburn cut infection and other lesions).

Design outcomes

Primary

MeasureTime frame
Pittsburgh sleep quality index;

Secondary

MeasureTime frame
Fatigue Severity Scale;Anxiety and Depression Scale;Epworth Sleepiness Scale;

Countries

China

Contacts

Public ContactXin Chen

The Affiliated TCM Hospital of Guangzhou Medical University

bryce553@126.com15918520121

Outcome results

None listed

Source: ITMCTR (via WHO ICTRP) · Data processed: Feb 4, 2026