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Aneurysmal Subarachnoid HemorrhageLongTEAMNCT04785976

Long-term Prognosis of Emergency Aneurysmal Subarachnoid Hemorrhage

An observational study of Aneurysmal Subarachnoid Hemorrhage, run by Beijing Tiantan Hospital at 2 sites in China.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
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Trial summary

Rupture of intracranial aneurysms can lead to extensive subarachnoid hemorrhage (SAH), a potentially fatal neurological emergency with mortality rates ranging from 8 to 67%. At present, surgical clipping (SC) and endovascular coiling (EC) are two main treatments for aneurysmal subarachnoid hemorrhage (aSAH), in recent… Read more about this study

Who is it for?
Any age
Conditions the study is for
Aneurysmal Subarachnoid Hemorrhage
What is being tested?
Surgical clipping and endovascular coiling
Type of treatment
Surgery or procedure
How many people
5,000 participants
Where
2 sitesChina
Study dates
1 Apr 2012to 1 Apr 2032
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages Any age
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Study population: All patients admitted to the emergency department of the investigator with aneurysmal subarachnoid hemorrhage are included in their prospective registry

Who may be able to join

  • All patients admitted to the emergency department of the investigator with aneurysmal subarachnoid hemorrhage are included in their prospective registry.

Who cannot join

  • None

Trial locations and contacts

2 sites in 1 country. Contact the study team or a site near you to ask about taking part.

China2 sites, 2 recruiting
  • Beijing Tiantan Hospital

    Beijing, Beijing Municipality, 100070

    Runting Li, MD, +8615753166690, 1011168227@qq.com

    Xiaolin Chen, MD, +8613810624845, xiaolinchen488@hotmail.com

    Recruiting
  • The First People's Hospital of Neijiang

    Neijiang, Sichuan

    Qian Wu, MD, wsq9385@163.com

    Recruiting

Other trials in China

About this study

Official title: Long-term Prognosis of Emergency Aneurysmal Subarachnoid Hemorrhage: an MDT- Based Multicenter Cohort Study

Rupture of intracranial aneurysms can lead to extensive subarachnoid hemorrhage (SAH), a potentially fatal neurological emergency with mortality rates ranging from 8 to 67%. At present, surgical clipping (SC) and endovascular coiling (EC) are two main treatments for aneurysmal subarachnoid hemorrhage (aSAH), in recent years, the improvements in surgical equipment and techniques have already greatly improved the postoperative safety of patients. However, considering individual differences between patients, some still at risk due to possible complications during hospitalization or after discharge from the hospital, it will no doubt generate a large healthcare burden.

This prospective, observational clinical trial (LongTEAM) is to improve the diagnosis and treatment effect and efficiency in this field, reducing mortality, medical costs, and medical burden, while opening up new avenues for interdisciplinary clinical practice and scientific research exploration.

Being tested
Surgical clipping and endovascular coiling
Medical subject headings
Subarachnoid Hemorrhage

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Surgical clipping and endovascular coilingProcedure or surgery

    Surgical clipping: Apply aneurysm clip to clip the ruptured aneurysm. Endovascular coiling:Also called endovascular embolization, to block blood flow into an aneurysm.Preventing blood flow into an aneurysm helps to keep it from rupturing.

Study groups in NCT04785976
Study groupRoleWhat they receive
Surgical clippingNot described
Receives: Procedure: Surgical clipping and endovascular coiling
Endovascular coilingNot described
Receives: Procedure: Surgical clipping and endovascular coiling

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Unfavorable neurological outcome (mRS>2)

    Number of patients experiencing a unfavorable neurological outcome at discharge, defined as a modified Rankin Scale (mRS) score of >2.

    Measured: 10 days after the procedure

  2. Unfavorable neurological outcome (mRS>2)

    Number of patients experiencing a unfavorable neurological outcome at 3 months post-treatment, defined as a modified Rankin Scale (mRS) score of >2.

    Measured: 3 months

  3. Unfavorable neurological outcome (mRS>2)

    Number of patients experiencing a unfavorable neurological outcome at 6 months post-treatment, defined as a modified Rankin Scale (mRS) score of >2.

    Measured: 6 months

  4. Unfavorable neurological outcome (mRS>2)

    Number of patients experiencing a unfavorable neurological outcome at 12 months post-treatment, defined as a modified Rankin Scale (mRS) score of >2.

    Measured: 12 months

  5. Unfavorable neurological outcome (mRS>2)

    Number of patients experiencing a unfavorable neurological outcome at 24 months post-treatment, defined as a modified Rankin Scale (mRS) score of >2.

    Measured: 24 months

Secondary outcomes (10)
  1. Cognitive deficits

    Number of patients experiencing a unfavorable neurological outcome at discharge,defined as changes in thinking, emotion, will and behavior.

    Measured: 10 days after the procedure

  2. Cognitive deficits

    Number of patients experiencing a unfavorable neurological outcome at 3 months, defined as changes in thinking, emotion, will and behavior.

    Measured: 3 months

  3. Cognitive deficits

    Number of patients experiencing a unfavorable neurological outcome at 6 months, defined as changes in thinking, emotion, will and behavior.

    Measured: 6 months

  4. Cognitive deficits

    Number of patients experiencing a unfavorable neurological outcome at 12 months, defined as changes in thinking, emotion, will and behavior.

    Measured: 12 months

  5. Cognitive deficits

    Number of patients experiencing a unfavorable neurological outcome at 24 months, defined as changes in thinking, emotion, will and behavior.

    Measured: 24 months

  6. Major adverse cardiac or cerebrovascular events

    Number of patients experiencing an event including all-cause death, non-fatal cerebrovascular event, non-fatal any myocardial infarction and revascularization at discharge.

    Measured: 10 days after the procedure

  7. Major adverse cardiac or cerebrovascular events

    Number of patients experiencing an event including all-cause death, non-fatal cerebrovascular event, non-fatal any myocardial infarction and revascularization at 3 months.

    Measured: 3 months

  8. Major adverse cardiac or cerebrovascular events

    Number of patients experiencing an event including all-cause death, non-fatal cerebrovascular event, non-fatal any myocardial infarction and revascularization at 6 months.

    Measured: 6 months

  9. Major adverse cardiac or cerebrovascular events

    Number of patients experiencing an event including all-cause death, non-fatal cerebrovascular event, non-fatal any myocardial infarction and revascularization at 12 months.

    Measured: 12 months

  10. Major adverse cardiac or cerebrovascular events

    Number of patients experiencing an event including all-cause death, non-fatal cerebrovascular event, non-fatal any myocardial infarction and revascularization at 24 months.

    Measured: 24 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted8 Mar 2021
  2. Study start1 Apr 2012
  3. Primary completion1 Mar 2032 (estimated)
  4. Study completion1 Apr 2032 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
5,000 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04785976
Sponsor's protocol ID
KY 2020-11-26
Acronym
LongTEAM
Status last verified
Nov 2023
First submitted
1 Feb 2021
Last updated
1 Dec 2023
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: The individual participant data (IPD) of this study are available from the principal investigator upon reasonable request.

Publications

  • Tang X, Wang X, Zhu B, Zhou L, Chen X. The prognostic significance of uric acid to albumin ratio in patients with aneurysmal subarachnoid hemorrhage following surgical clipping or endovascular interventions: insights from a large cohort study. Front Neurol. 2026 Jan 12;16:1648805. doi: 10.3389/fneur.2025.1648805. eCollection 2025.

    PubMed 41602990
  • Yu T, Lau TY, Liu Y, Li R, Lin F, Song Z, Zhu Q, Chen Y, Li T, Jing J, Chen X. Low-Field Portable MRI Detects Developmental Pattern of Ultraearly Cerebral Infarction in aSAH. Stroke. 2026 Mar;57(3):721-731. doi: 10.1161/STROKEAHA.125.052474. Epub 2025 Dec 11.

    PubMed 41376582
  • Tang X, Zhu B, Liu M, Lin F, Li R, Song W, Xue J, Zhou L, Chen X. Increased triglyceride-glucose index is associated with adverse functional outcome for patients with aneurysmal subarachnoid hemorrhage after surgical clipping and endovascular coiling: insights from a large cohort study. Front Neurol. 2025 Sep 10;16:1622819. doi: 10.3389/fneur.2025.1622819. eCollection 2025.

    PubMed 41001201
  • Yang Y, Zhu B, Lin F, Li R, Chen X. Association between geriatric nutritional risk index and clinical outcome of elderly aneurysmal subarachnoid hemorrhage patients: insights from a large cohort study. Neurosurg Rev. 2025 Feb 4;48(1):169. doi: 10.1007/s10143-025-03209-6.

    PubMed 39903290
  • Li R, Lin F, Chen Y, Lu J, Yang J, Han H, Yuan K, Wang K, Yan D, Li R, He S, Li Z, Zhang H, Chen X, Ma L, Zhao Y, Hao Q, Ye X, Wang H, Li H, Zhang L, Shi G, Zhou J, Li Y, Wang S, Chen X, Zhao Y. The effect of sex differences on complications and 90-day outcomes after aneurysmal subarachnoid hemorrhage: a propensity score-matched analysis. Neurosurg Rev. 2022 Oct;45(5):3339-3347. doi: 10.1007/s10143-022-01836-x. Epub 2022 Jul 23.

    PubMed 35870093
  • Li R, Lin F, Chen Y, Lu J, Han H, Ma L, Zhao Y, Yan D, Li R, Yang J, He S, Li Z, Zhang H, Yuan K, Wang K, Hao Q, Ye X, Wang H, Li H, Zhang L, Shi G, Zhou J, Zhao Y, Zhang Y, Li Y, Wang S, Chen X, Zhao Y. A 90-Day Prognostic Model Based on the Early Brain Injury Indicators after Aneurysmal Subarachnoid Hemorrhage: the TAPS Score. Transl Stroke Res. 2023 Apr;14(2):200-210. doi: 10.1007/s12975-022-01033-4. Epub 2022 May 14.

    PubMed 35567655
  • Li R, Lin F, Chen Y, Lu J, Han H, Ma L, Zhao Y, Yan D, Li R, Yang J, He S, Li Z, Zhang H, Yuan K, Wang K, Hao Q, Ye X, Wang H, Li H, Zhang L, Shi G, Zhou J, Zhao Y, Zhang Y, Li Y, Wang S, Chen X, Zhao Y. Elevated blood hemoglobin on admission as an independent predictor of unfavorable outcomes in patients with aneurysmal subarachnoid hemorrhage. Neurosurg Rev. 2022 Aug;45(4):2689-2699. doi: 10.1007/s10143-022-01780-w. Epub 2022 Apr 2.

    PubMed 35366711
  • Yang J, Lu J, Li R, Lin F, Chen Y, Han H, Yan D, Li R, Li Z, Zhang H, Yuan K, Li H, Zhang L, Shi G, Zhou J, Wang S, Zhao Y, Chen X. Application of Intracranial Pressure-Directed Therapy on Delayed Cerebral Ischemia After Aneurysmal Subarachnoid Hemorrhage. Front Aging Neurosci. 2022 Mar 14;14:831994. doi: 10.3389/fnagi.2022.831994. eCollection 2022.

    PubMed 35360218
  • Lin F, Chen Y, He Q, Zeng C, Zhang C, Chen X, Zhao Y, Wang S, Zhao J. Prognostic Value of Elevated Cardiac Troponin I After Aneurysmal Subarachnoid Hemorrhage. Front Neurol. 2021 May 31;12:677961. doi: 10.3389/fneur.2021.677961. eCollection 2021.

    PubMed 34135855

Questions about this trial

What is this clinical trial studying?

An observational study of Aneurysmal Subarachnoid Hemorrhage, run by Beijing Tiantan Hospital at 2 sites in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: looking for participants now, as of the sponsor's last update on 1 Dec 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Runting Li, MD (+8615753166690 ext. +8613681107240, 1011168227@qq.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Unfavorable neurological outcome (mRS>2) (time frame: 10 days after the procedure). The study lists 5 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT04785976, which also lists 9 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 1 Dec 2023.

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