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Efficacy Evaluation and Mechanistic Investigation of Transcutaneous Auricular Vagus Nerve Stimulation in Enhancing the Therapeutic Effects of Semaglutide and Reducing Its Gastrointestinal Side Effects

Evaluation of the Efficacy and Mechanistic Investigation of taVNS in Enhancing the Therapeutic Effects of Semaglutide and Reducing Its Gastrointestinal Side Effects

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ITMCTR
Registry ID
ITMCTR2025001226
Enrollment
Unknown
Registered
2025-06-19
Start date
2025-07-01
Completion date
Unknown
Last updated
2026-03-02

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

Conditions

Type 2 diabetes

Interventions

Control group:Non-vagus nerve stimulation of the external ear

Sponsors

China Academy of Chinese Medical Sciences Wangjing hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: (1)Meets the diagnostic criteria for type 2 diabetes (T2D); (2)Aged between 18 and 70 years regardless of sex; (3)Experiences nausea and vomiting after semaglutide injection with a Rhodes Index of Nausea Vomiting and Retching (RINVR) score of =20 and =32; (4)After consuming a test meal (egg sandwich + 200 ml water) presents with an electrogastrogram (EGG) showing a dominant frequency lower than 2.4 cycles per minute (cpm) no significant increase in power spectral density and reduced frequency and amplitude of tachygastria; (5)Provides a signed informed consent form.

Exclusion criteria

Exclusion criteria: (1)Patients with severe diseases of the heart brain liver hematopoietic system or other serious illnesses that affect survival; (2)Patients with hepatic or renal insufficiency or liver cirrhosis; (3)Patients with high fever or infectious diseases; (4)Pregnant or lactating women; (5)Patients with psychiatric disorders or those unable to cooperate with treatment; (6)Patients with a known or suspected allergy to the treatment used in this study; (7)Patients with acute pancreatitis diabetic retinopathy or thyroid diseases; (8)Patients currently taking prokinetic drugs or other medications that may alleviate nausea and vomiting (e.g. ondansetron metoclopramide dexamethasone); (9)Patients with other gastrointestinal disorders associated with nausea and vomiting (e.g. diabetic gastroparesis functional dyspepsia); (10)Patients who have participated in other clinical trials within the past 3 months and are at potential risk of interfering with this study.

Design outcomes

Primary

MeasureTime frame
Rhodes index of nausea vomiting and retching;

Secondary

MeasureTime frame
Electrogastrogram;Simplified Nutritional Appetite Questionnaire;serological marker;Visual Analogue Scale;

Countries

China

Contacts

Public ContactXu Zhai and Xinyi Tian

China Academy of Chinese Medical Sciences

zhaixu@mail.cintcm.ac.cn+86 15801247725

Outcome results

None listed

Source: ITMCTR (via WHO ICTRP) · Data processed: Mar 14, 2026