Ask to take part

Contact the study team using the details below to take part. If there are no contact details below please ask your doctor in the first instance.

Contact Information:

Dr Andrew J Molyneux
+44 (0)1865 234755

More information about this study, what is involved and how to take part can be found on the study website.

Study Location:

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International Subarachnoid Aneurysm Trial

Not Recruiting

Open to: All Genders

Age: Adult

Medical Conditions

Neuroscience, psychiatry

This information is provided directly by researchers and we recognise that it isn't always easy to understand. We are working with researchers to improve the accessibility of this information.

Not provided at time of registration

Start dates may differ between countries and research sites. The research team are responsible for keeping the information up-to-date.  

The recruitment start and end dates are as follows:

01 Jan 1997

31 Dec 2007


2005 Results article in results2010 Results article in results2011 Results article in results2015 Results article in results


Intervention Type : Procedure/Surgery
Intervention Description : 1. Endovascular treatment policy of ruptured intracranial aneurysms2. A conventional neurosurgical treatment policy

You can take part if:

1. Proven subarachnoid haemorrhage (SAH) on Computed Tomography (CT) or lumbar puncture2. Presence of an intracranial aneurysm demonstrated by intra-arterial angiography likely to be responsible for the SAH3. The patient in a clinical state that justifies treatment at some time by either surgical or endovascular means4. Intracranial aneurysm judged to be suitable for either technique based on its angiographic anatomy and the responsible clinician is uncertain which is the best method of treatment5. Appropriate consent of the patient or relatives

You may not be able to take part if:

1. More than 28 days from SAH, unproven SAH2. Unsuitable for both treatments3. Refusal of consent4. Patient participating in another trial

Below are the locations for where you can take part in the trial. Please note that not all sites may be open.

  • Oxford Neurovascular & Neuroradiology Research Unit (ONNRU)
    OX3 9DU

This information has not yet been provided by the study team. You'll have an opportunity to discuss any risks and benefits that may be associated with this study prior to consenting to taking part.

Dr Andrew J Molyneux
+44 (0)1865 234755

More information about this study, what is involved and how to take part can be found on the study website.

The study is sponsored by Oxford Radcliffe Hospital NHS Trust (UK) and funded by Medical Research Council (MRC) (UK).

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for Trial ID: ISRCTN49866681

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