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Enrolling By InvitationNCT07198542

GammaCore Sapphire for Somatic Symptom Disorder; Anxiety; Depression; Transcutaneous Vagus Nerve Stimulation; Neuromodulation

This study is enrolling by invitation in Taiwan. It is testing gammaCore Sapphire for Somatic Symptom Disorder; Anxiety; Depression; Transcutaneous Vagus Nerve Stimulation; Neuromodulation.

Anxiety, Depression, ...BehavioralFrom 18 Years to 65 Years

The public registry lists enrollment by invitation. This is not open recruitment; contact the research team to understand who may be invited.

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In plain English

Key information made simple

What is this study testing?

This study is testing whether brain stimulation may be useful for adults experiencing anxiety.

What would participation involve?

Participants may take part in brain stimulation, attend study visits with the research team. The protocol may also involve randomization, placebo, or a comparison group. The registry lists locations in Taiwan.

Who is it mainly for?

This study appears to be mainly for adults with anxiety.

What should you check before joining?

Ask about how many sessions are required and who delivers them, whether there is placebo, randomization, or a comparison group, how many visits or travel steps are needed, the exact eligibility criteria.

What to expect

Your next step

Study sites are listed in the registry. Recruitment status can differ between sites. Ask the research team to confirm the location, any in-person visits, time commitment, costs or compensation, and participation criteria.

Before joining

Questions to ask before joining

Study clarity

Things to check before joining

Study start dateStarted: November 17, 2025
Recruitment status
Enrolling By Invitation
Enrollment listed in the registry
60
Sponsor
National Taiwan University Hospital
Sponsor type
Hospital / academic medical center
Study type
Behavioral
Intervention type
DEVICE
Study phase
Not clearly listed
Locations
Taiwan
Age range
From 18 Years to 65 Years
Official registry ID
NCT07198542
Official title
Treatment of Somatic Symptom Disorder With Transcutaneous Cervical Vagus Nerve Stimulation and Transcutaneous Auricular Vagus Nerve Stimulation: A Crossover Randomized Controlled Trial

Check recruitment and locations

Recruitment checked against the registry by HopeStage on . Registry information can change. Always confirm availability with the research team.

View official study record (opens in a new tab)

The overall study status can differ from each site's status. Open a country to see its locations and their registry status.

Taiwan · 1 site
  • Department of Psychiatry, National Taiwan University Hospital Yunlin Branch
    Douliu, Yunlin
    Site status: Not listed — confirm with the team

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Study ID: NCT07198542. We help you review the study, but cannot decide medical eligibility.
In practice

For you

Participation may contribute to research. Personal benefit is not guaranteed.

Ask the research team to explain the activities, time commitment, and follow-up involved.

Study sites are listed. Confirm the relevant site and any travel before making plans.

Important

Not medical advice

Information from public sources. Are you the study sponsor? Contact us to update this page: hi@hopestage.com

FAQ

Questions about this study

What is this study trying to understand?

This study is exploring psychotherapy or therapy for people with anxiety. Participants may complete study visits, assessments, or follow-up activities defined by the research team. Direct benefit is not guaranteed. The detailed objective is not always clearly listed in the public registry; the study team can confirm.

What is a behavioral study?

This appears to be a behavioral / psychological / psychosocial study involving gammaCore Sapphire, Nurosym. Phase is mainly useful to check for medication studies and some device studies.

Who might this study be for?

This study may concern people with anxiety; age range: From 18 Years to 65 Years. The criteria appear fairly broad, but you should not assume you are eligible. The study team must confirm diagnosis, age, exclusions, available locations, and next steps.

What would I likely need to do?

You may take part in sessions or exercises related to habits, thoughts, emotions, or behaviors. The listed study locations suggest that at least part of participation may involve a physical site. Ask whether some steps can be done remotely.

Could this study affect my mood, habits, motivation, or stress?

Behavioral studies can involve habits, emotions, motivation, stress, sleep, or ways of thinking. Ask whether the intervention could affect your mood or stress, and who to contact if you feel worse. For any mental health study, also ask who to contact if you feel worse, whether participation may affect current treatment, whether you can stop, and who confirms eligibility.

Will I need to travel or attend in-person visits?

The listed study locations suggest that at least part of participation may involve a physical site. Ask which sites are open, how many visits are expected, whether any steps can be done remotely, and whether travel costs or compensation are listed.

Who is behind this study?

This study is sponsored by National Taiwan University Hospital, which appears to be a hospital or academic medical center. If available, it can be useful to check the sponsor website, collaborators, investigator affiliation, and the official registry before deciding. HopeStage does not judge the quality of a sponsor or researcher, but helps you identify what to verify.

Can I still join this study?

The public registry lists enrollment by invitation. This is not open recruitment; contact the research team to understand who may be invited.

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