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CompletedNCT03115905CIAP-5Updated Sep 23, 2021

A Registry Study for Emergency Medical Service of Aneurysmal Subarachnoid Hemorrhage in China

An observational study in Subarachnoid Hemorrhage, Aneurysmal and Emergency Medical Services, sponsored by Xuanwu Hospital, Beijing. Completed at 2 sites in China. Open to participants aged 14 Years and older. Per ClinicalTrials.gov, last updated 2021-09-23.

Sponsored by Xuanwu Hospital, Beijing · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
6,000
Ages
14 Years and older
Sex
All
01

Study summary

This is a staged registry study of early treatment strategy management of acute aneurysmal subarachnoid hemorrhage(aSAH) among different economic development levels areas in China.

First stage, the study will investigate and register the basic information of emergency treatment management for the acute aSAH in 20 different grade centers located in different economic levels districts including Northeast part, Northern, Eastern, South-central, Northwest, Southwest and Qinghai-Tibet of China. Comparing the the outcome of acute aSAH to find the critical factors to affect it by statistical analysis. Then,the investigators will offer some suggestions to adjust the measures to improve the efficacy of emergency medical service for acute SAH.

Second stage, to evaluate the outcome after applying the new suggestion of self-control methods.

The investigators hypothesis that there is an appropriate green pathway in different districts to shorten the rescuing time, improve the curative effects.

Read the detailed description

For this study, the investigators consulted and hired professionals and experts about data collection, data analysis and methodology. So it has an intact systematic Project Steering Committee for the whole project, including Data Monitoring Committee, Data Management Committee, Project Academic Committee, Executive Group, Project Manager, Project Statistician,Technical Support Center. Also the project have a scientific regulations system.

Steering Committee: To monitor and supervise the progress of the Registry Study for Emergency Medical Service of Aneurysmal Subarachnoid Hemorrhage With Different Economic Development Levels Areas in China toward its interim and overall objectives.To consider recommendations of the data monitoring committee and local ethics committees. To promote the publicity and presentation of all aspects of this trial.

Project Manager and Executive Group: To ensure the successfully implementation of this project, including charging the daily operations of the study in 20 different research hospitals, organizing the monthly meeting to consider issues raised during the monthly progress of the study, liaising with the steering committee,the data management centre and statistical centre.

Data management Committee: To be responsible for setting up and maintain the Electronic Data Capture (EDC) System according to the paper Case Report Form(pCRF) designed by principal investigators. To collect and save the pCRF coming from sub-centers. To entry the data into EDC system and keep the same with CRF. To organize training for the investigators about the rules in filling the EDC and pCRF.To determine the frequency of the Data Management Report and to fed it back to the steering committee every three months.

Data Monitoring Committee: To determine the frequency of the data monitoring including the source data(Medical records) accuracy, completeness and representativeness comparing the external data(EDC, pCRF) in 20 centers. To report the results after the monitoring back to the steering committee about the missing data, non-reported and other problems about the study. To make a Standard Operation Procedure(SOP) from getting data to using data.

Academic Committee: To supervise the academic issues including patient recruitment, protocol deviation, adverse events evaluating. To settle down the question and problem in the process of the study.

Project Statistician: The investigators cooperate with the statisticians of Medical Research \& Biometrics Center National Center for Cardiovascular Diseases, China to get the professional statistical report.

Technical Support Center: To provide technical support during the process of the study.

02

Conditions studied

  • Subarachnoid Hemorrhage, Aneurysmal
  • Emergency Medical Services

Keywords

  • Aneurysmal Subarachnoid Hemorrhage
  • Emergency Medical Services
  • Registry Study
  • China
03

In context

Subarachnoid Hemorrhage

509 studies on the registry are indexed under Subarachnoid Hemorrhage; 124 are open to participants now.

This study's enrollment of 6,000 is above the median of 117 across 226 observational studies indexed under Subarachnoid Hemorrhage.

Browse Subarachnoid Hemorrhage studies →

Lead sponsor

Xuanwu Hospital, Beijing is the lead sponsor of 346 studies on the registry; 217 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
14 Years and older
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

The patients who diagnosed as aneurysmal subarachnoid hemorrhage in emergency.

Inclusion criteria

  1. Proven subarachnoid haemorrhage on computed tomography(CT) or lumbar puncture less than 14 days.
  2. Exist at least one target intracranial aneurysm demonstrated by computed tomography angiography (CTA) or Digital Subtraction Angiography(DSA).
  3. Age is older than 14 years old.
  4. Patient or relatives agreed to sign the consent form.

Exclusion criteria

Exclusion Criteria:

  1. Some special types of controversial aneurysmal subarachnoid hemorrhage such as caused by blood blister-like aneurysm,dissection aneurysm and so on.
  2. Participation in another randomised drug or clinical trial for subarachnoid hemorrhage.
  3. Refusal of consent.
  4. Women during pregnancy.
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
6,000 participants (actual)
Target follow-up
1 Year
Patient registry
Yes
06

What researchers measure

Primary outcomes

  1. the rate of modified Rankin Score(mRS) higher than 3.

    It means that the rate of disability and mortality.

    Time frame: 3 months after treatment

Other outcomes

  1. The rate of treatment success

    We defined the aneurysm was totally or nearly occluded identified by the Digital Subtraction Angiography(DSA).

    Time frame: Immediate evaluating after treatment

  2. The rate of treatment success

    We defined the aneurysm was totally or nearly occluded identified by the Digital Subtraction Angiography(DSA).

    Time frame: Six months after treatment.

  3. The rate of main adverse events

    We defined the main adverse events includes any deaths and ischemia or hemorrhage related to the treatment during 30 days after treatment, and neurologic complications from 30 days after treatment to 1 year.

    Time frame: duration of hospital stay

  4. The rate of main adverse events

    We defined the main adverse events includes any deaths and ischemia or hemorrhage related to the treatment during 30 days after treatment, and neurologic complications from 30 days after treatment to 1 year.

    Time frame: 3 months after discharge.

  5. The rate of main adverse events

    We defined the main adverse events includes any deaths and ischemia or hemorrhage related to the treatment during 30 days after treatment, and neurologic complications from 30 days after treatment to 1 year.

    Time frame: 6 months after discharge.

  6. The rate of main adverse events

    We defined the main adverse events includes any deaths and ischemia or hemorrhage related to the treatment during 30 days after treatment, and neurologic complications from 30 days after treatment to 1 year.

    Time frame: 1 year after discharge.

07

Study locations

2 sites
  • Beijing Neurosurgical Institute
    Beijing, Beijing 100050, China
  • Neurosurgery Department of Xuanwu hospital, Capital Medical University
    Beijing, Beijing 100053, China
08

References and documents

Publications

  • Molyneux A, Kerr R; International Subarachnoid Aneurysm Trial (ISAT) Collaborative Group; Stratton I, Sandercock P, Clarke M, Shrimpton J, Holman R. International Subarachnoid Aneurysm Trial (ISAT) of neurosurgical clipping versus endovascular coiling in 2143 patients with ruptured intracranial aneurysms: a randomized trial. J Stroke Cerebrovasc Dis. 2002 Nov-Dec;11(6):304-14. doi: 10.1053/jscd.2002.130390. PubMed 17903891 ↗
  • Darsaut TE, Raymond J. Barrow Ruptured Aneurysm Trial: 3-year results. J Neurosurg. 2013 Dec;119(6):1642-4. doi: 10.3171/2013.5.JNS13917. Epub 2013 Aug 30. No abstract available. PubMed 23991842 ↗
  • Thomas AJ, Ogilvy CS. ISAT: equipoise in treatment of ruptured cerebral aneurysms? Lancet. 2015 Feb 21;385(9969):666-8. doi: 10.1016/S0140-6736(14)61736-0. Epub 2014 Oct 28. No abstract available. PubMed 25465112 ↗
  • Molyneux AJ, Birks J, Clarke A, Sneade M, Kerr RS. The durability of endovascular coiling versus neurosurgical clipping of ruptured cerebral aneurysms: 18 year follow-up of the UK cohort of the International Subarachnoid Aneurysm Trial (ISAT). Lancet. 2015 Feb 21;385(9969):691-7. doi: 10.1016/S0140-6736(14)60975-2. Epub 2014 Oct 28. Erratum In: Lancet. 2015 Mar 14;385(9972):946. PubMed 25465111 ↗
  • Mitha AP, Ogilvy CS. ISAT: coiling or clipping for ruptured intracranial aneurysms? Lancet Neurol. 2005 Dec;4(12):791-2. doi: 10.1016/S1474-4422(05)70231-3. No abstract available. PubMed 16297834 ↗
  • Britz GW. ISAT trial: coiling or clipping for intracranial aneurysms? Lancet. 2005 Sep 3-9;366(9488):783-5. doi: 10.1016/S0140-6736(05)67190-5. No abstract available. PubMed 16139637 ↗

Individual participant data

Plan to share: Yes — we can share the original data 5 years after the study.

Supporting information: Study protocol, Icf, Analytic code

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Sep 23, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT03115905
Lead sponsor
Xuanwu Hospital, Beijing
Collaborators
Ministry of Science and Technology of the People's Repubic of China
Responsible party
Hongqi Zhang, MD (chairman of the neurosurgery department of Xuanwu hospital, Xuanwu Hospital, Beijing) — Principal investigator
First posted
Apr 14, 2017
Start date
May 1, 2017
Primary completion
Jun 30, 2021
Completion
Jun 30, 2021
Last update
Sep 23, 2021

Study contacts

Hongqi Zhang, PhD. M.D
principal investigator · Xuanwu hosptial,Capital Medical University,China

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Sep 2021. You cannot join it, but the record below documents what was studied.

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