Mild, but Unstable Stenosis of Internal Carotid Artery (MUSIC) Study

Mild, but Unstable Stenosis of Internal Carotid Artery (MUSIC) Study - MUSIC Study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000023635

Enrollment

250

Registered

2016-08-15

Start date

2017-01-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Mild (&lt

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) 20 years old or older 2) developed TIA, ischemic stroke, or retinal ischemia in the ipsilateral carotid territory 3) mild (<50%) stenosis in the ipsilateral cervical carotid artery 4) modified Rankin scale; 0, 1, or 2 5) posible to follow up at the outpatient clinic 6) completed informed consent

Exclusion criteria

Exclusion criteria: 1) severe comorbid 2) impossible to perform MR examination 3) pregnant or nursing woman 4) judged as inappropriate by the doctor-in-charge

Design outcomes

Primary

Measure	Time frame
the incidence of recurrent ipsilateral ischemic stroke and the duration until recurrent ipsilateral ischemic stroke	—

Secondary

Measure	Time frame
1) the duration until all recurrent ischemic stroke 2) the duration until ipsilateral and all recurrent TIA 3) the duration until ipsilateral and all recurrent amaurosis fugax 4) the duration until ipsilateral and all retinal artery occlusion 5) the duration until all stroke 6) the duration until all death 7) the incidence of de novo silent cerebral infarct within one and two years 8) the incidence of the progression of carotid artery stenosis within one and two years	—

Measure

Time frame

1) the duration until all recurrent ischemic stroke 2) the duration until ipsilateral and all recurrent TIA 3) the duration until ipsilateral and all recurrent amaurosis fugax 4) the duration until ipsilateral and all retinal artery occlusion 5) the duration until all stroke 6) the duration until all death 7) the incidence of de novo silent cerebral infarct within one and two years 8) the incidence of the progression of carotid artery stenosis within one and two years

—

Countries

Japan

Contacts

Public ContactSatoshi Kuroda

University of Toyama Department of Neurosurgery

skuroda@med.u-toyama.ac.jp076-434-7348

Outcome results