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6,000 patients, one big question: what really causes dizziness?

NCT ID NCT07778901

Knowledge-focused Sponsor: Second Affiliated Hospital, Zhejiang University, School of Medicine Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Aug 21, 2026 · Last updated Aug 21, 2026

Summary

This observational study will follow 6,000 adults with dizziness or vertigo who are receiving routine care at hospitals across China. Researchers aim to map the range of underlying causes, track how symptoms and diagnoses change over a year, and see how well standard treatments work in real-world settings. Participants will complete questionnaires and be followed through clinic visits, diaries, or phone calls to gather detailed information on symptom patterns and treatment outcomes.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
This research could lead to a clearer understanding of the causes and natural course of dizziness and vertigo, potentially improving diagnosis and treatment strategies for these common conditions.
What could go wrong
As an observational study, it cannot prove cause and effect, and results may not apply beyond the specific Chinese outpatient population studied. Follow-up over 12 months may be too short to capture long-term outcomes.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 6,000 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jul 2026

Expected to finish

Dec 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

The study population consists of adult patients aged 18 to 65 years presenting with dizziness and/or vertigo to neurology and otolaryngology outpatient clinics across approximately 70 hospitals in more than 30 provinces in China. Participants include both male and female patients with symptoms of spatial disorientation or balance disturbance, encompassing vertigo, dizziness, vestibular-visual symptoms, and postural instability. Eligible patients are enrolled consecutively or through predefined sampling strategies at the time of their first clinical visit and must provide written informed consent prior to participation. All participants undergo standardized baseline clinical evaluation and are followed in a real-world clinical setting without protocol-mandated interventions. The study population is intended to reflect routine clinical practice across different levels of healthcare institutions, including tertiary, secondary, and primary hospitals. Patients are subsequently followed lon

Ages

6 to 100 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Participants must meet all of the following criteria:a) Age between 18 and 65 years, inclusive;b) Male or female;c) Consecutive patients presenting to dizziness/vertigo outpatient clinics in the Departments of Neurology or Otolaryngology at 69 hospitals across more than 30 provinces in China, with symptoms of spatial orientation impairment or balance disturbance, including vertigo, dizziness, vestibular-visual symptoms, and postural symptoms;d) Ability and willingness to provide written informed consent Exclusion Criteria: * Inability to cooperate with essential diagnostic procedures, including medical history collection, physical examination, laboratory investigations, or other required evaluations, resulting in failure to establish a basic clinical diagnosis;b) Refusal or inability to provide written informed consent.

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Conditions

The condition(s) this trial relates to.

Dizziness Vertigo vestibular disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Vertigo Vestibular diseases

Contacts and locations

Locations

  • Department of Neurology, The Second Affiliated Hospital, Zhejiang University School of Medicine, No.88 Jiefang Road

    Hangzhou, Zhejiang, 310000, China

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