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Risk Assessment of cnM-positivE S. mutans in StrokE Survivors

Risk Assessment of cnM-positivE S. mutans in StrokE Survivors: The multicenter prospective cohort study - RAMESSES study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000045559
Enrollment
230
Registered
2021-09-24
Start date
2018-11-01
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

Stroke

Interventions

None listed

Sponsors

National Cerebral and Cardiovascular Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) patients with stroke (cerebral infarction, intracerebral hemorrhage, subarachnoid hemorrhage) or transient ischemic attack that is developed within 365 days at the time of acquiring written informed consent; 2) patients over 40 years old; 3) patients whose modified Rankin Scale is 4 or less at the time of acquiring consent; 4) patients who have deep ICH or at least 1 deep CMBs on T2*WI in the head MRI performed within 365 days from acquiring consent; 5) the written informed consent has been obtained by the patients themselves or the proxies

Exclusion criteria

Exclusion criteria: 1) patients who are contraindicated to MRI examination because of the presence of some metallic implants such as pacemaker devices; 2) patients who has hemorrhagic factors; 3) patients who participate in other intervention trials; 4) patients who cannot conduct MoCA due to severe dementia, deafness or visual impairment; 5) patients who has no remaining teeth; 6) patients whose participation are judged as inappropriate by the principal investigator or sub-investigators

Design outcomes

Primary

MeasureTime frame
(1) newly developed deep CMBs

Secondary

MeasureTime frame
1) newly developed lobar or subtentorial CMBs; 2) development of symptomatic intracerebral hemorrhage or ischemic stroke; 3) change in cognitive function assessed by Montreal cognitive assessment (MoCA) and clinical dementia rating; 4) major bleeding defined by the International Society on Thrombosis and Hemostasis criteria; 5) all-cause mortality; and 6) serum antibody titers against periodontal pathogens

Countries

Japan

Contacts

Public ContactYorito Hattori

National Cerebral and Cardiovascular Center Department of Neurology

yoh2019@ncvc.go.jp06-6170-1070

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026