Long-term Outcomes of Conservative Management in Patients with Moyamoya Disease and Their First-degree Relatives (LAMORA)
1 other identifier
observational
400
1 country
1
Brief Summary
The purpose of this study is to investigate the long-term outcomes of conservative management in patients with moyamoya disease and their first-degree relatives, and provide potential pathogenesis of moyamoya disease.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started May 2022
Longer than P75 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 31, 2022
CompletedFirst Posted
Study publicly available on registry
April 18, 2022
CompletedStudy Start
First participant enrolled
May 1, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 30, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 31, 2026
December 19, 2024
December 1, 2024
4.6 years
March 31, 2022
December 16, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (4)
Cerebrovascular events
6 months
Cerebrovascular events
1 year
Cerebrovascular events
2 years
Cerebrovascular events
5 years
Secondary Outcomes (7)
Identification of RNF213 variants
Baseline
Unfavorable neurological outcome (mRS>2)
6 months, 1 year, 2 years, and 5 years during follow-up
Change in cerebral perfusion status as assessed by CTP
Baseline, 6 months, 1 year, 2 years, and 5 years during follow-up
Change in immunological, inflammatory, angiogenesis biomarkers of peripheral blood
Baseline, 1 year, 2 years, and 5 years during follow-up
Change in angiographic features as assessed by CTA
Baseline, 6 months, 1 year, 2 years, and 5 years during follow-up
- +2 more secondary outcomes
Study Arms (2)
Moyamoya disease patients
First-degree relatives of patients with Moyamoya Disease
Interventions
Patients and their first-degree relatives will be medically treated with antiplatelets, antiepileptics, antihypertensives and vasodilators depending on the presentation.
Eligibility Criteria
Consecutive patients diagnosed with MMD in Beijing Tiantan Hospital will be recruited. Eligibility will be determined through a checklist of inclusion and exclusion criteria. Relatives will be recruited from the first-degree relatives of patients with MMD.
You may qualify if:
- Patients with age between 2-60 years;
- A clinical diagnosis of moyamoya disease, including unilateral and bilateral disease.
- Patients are medically treated with antiplatelets, antiepileptics, antihypertensives and vasodilators depending on the presentation.
- Capable of understanding the purpose and risk of the study and has signed the informed consent. If the participant is not capable of this at the time of enrollment, a legally authorized representative will provide written informed consent in accordance with all regulations.
- Ability to comply with study follow-up.
You may not qualify if:
- Concomitant other diseases, including systemic vasculitis, neurofibroma, meningitis, sickle cell disease, down's syndrome, and previous basilar radiotherapy.
- Patients with cardiogenic embolism, including a history of atrial fibrillation, valvular disease or cardiac valve replacement.
- Patients are allergic to the contrast agents.
- Patients are treated with direct, indirect, or combined revascularization depending on the presentation.
- Physical or subjective failure to cooperate with the examination or serious comorbid diseases.
- Patients are unable or unlikely to return for follow-up visits.
- Any other reasons that, in the opinion of the investigators, make the participant unsuitable for enrollment.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Beijing Tiantan Hospital Capital Medical University
Beijing, Beijing Municipality, China
Biospecimen
Whole blood
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 31, 2022
First Posted
April 18, 2022
Study Start
May 1, 2022
Primary Completion (Estimated)
November 30, 2026
Study Completion (Estimated)
December 31, 2026
Last Updated
December 19, 2024
Record last verified: 2024-12
Data Sharing
- IPD Sharing
- Will not share