Registry for managing aneurysmal subarachnoid hemorrhage in Switzerland

Swiss Study on Subarachnoid Hemorrhage (Swiss-SOS)

Observational University Hospital, Geneva · NCT03245866

This study is collecting information from patients in Switzerland who have had an aneurysmal subarachnoid hemorrhage to see how well they are treated and how they recover.

Quick facts

Study typeObservational
Enrollment5000 (estimated)
SexAll
SponsorUniversity Hospital, Geneva Academic / other
Locations9 sites (Aarau, Canton of Aargau and 8 other locations)
Trial IDNCT03245866 on ClinicalTrials.gov

What this trial studies

This registry collects clinical and management data from patients treated for aneurysmal subarachnoid hemorrhage (aSAH) across various hospitals in Switzerland. It aims to assess the current standard of care and patient outcomes, including neuropsychological assessments. By pooling data into a common database, the registry serves as a critical tool for healthcare providers to evaluate care quality and foster scientific collaboration on aSAH management. The initiative seeks to recruit all aSAH patients in Switzerland to provide a comprehensive assessment of incidence and treatment outcomes.

Who should consider this trial

Good fit: Ideal candidates for this registry are patients admitted with a confirmed diagnosis of aneurysmal subarachnoid hemorrhage.

Not a fit: Patients with unidentified sources of hemorrhage or those with subarachnoid hemorrhage from causes other than cerebral aneurysms may not benefit from this registry.

Why it matters

Potential benefit: If successful, this registry could enhance the quality of care for patients with aneurysmal subarachnoid hemorrhage by providing valuable insights into treatment outcomes and management practices.

How similar studies have performed: While this approach is observational and builds on existing data collection methods, it is novel in its comprehensive national scope for aSAH management in Switzerland.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion criteria:

\- Patients admitted with a proven diagnosis of aneurysmal subarachnoid hemorrhage.

Exclusion criteria:

\- Patients in whom the source of haemorrhage could not be identified (angiogram-negative SAH) or SAH with other causes than cerebral aneurysms.

Where this trial is running

Aarau, Canton of Aargau and 8 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Subarachnoid HemorrhageIntracranial AneurysmRuptured Intracranial AneurysmNeurosurgeryInterventional NeuroradiologyNeurointensive Care MedicineSwitzerland
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.