Clinical trial Recruiting at 3 sites Interventional Ages 16 and up

Impact of fluid type on outcomes in patients with subarachnoid hemorrhage

Official title: Crystalloid Fluid Choice and Neurological Outcome in Patients After Subarachnoid Haemorrhage - a Multi-center Randomized Double-blind Clinical Trial

Run by Insel Gruppe AG, University Hospital Bern · NCT04043598 · Data updated 2026-11-12

This study tests whether using different types of IV fluids can improve recovery for patients who have had a subarachnoid hemorrhage.

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Quick facts

Study typeInterventional
Ages16 Years and up
SexAll
Enrollment320 (estimated)
SponsorInsel Gruppe AG, University Hospital Bern
Academic / other
Locations3 sites (Sankt Gallen, Canton of St. Gallen and 2 other locations)
StatusRecruiting
StartedMay 24, 2022
Main results expectedJuly 2027
Study endsDecember 2027
Registry record updatedApril 29, 2026
Trial IDNCT04043598 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adult patients diagnosed with non-traumatic subarachnoid hemorrhage.

Probably not a fit

Patients with major intra-cranial trauma or those who have limitations on therapy at admission may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study evaluates the effects of different types of intravenous fluids on patients who have suffered a subarachnoid hemorrhage. It specifically compares sodium-rich normal saline to sodium-depleted lactated Ringer's solution to determine which fluid leads to better clinical outcomes. The primary focus is on the occurrence of vasospasm, a serious complication, as well as other factors such as mortality, brain edema, and overall patient recovery. The study aims to provide insights into how fluid choice can influence recovery in critically ill patients.

Why it matters

Potential benefit: If successful, this study could lead to improved treatment protocols that enhance recovery and reduce complications for patients with subarachnoid hemorrhage.

How similar studies have gone: Previous studies have indicated that the type of infusion fluid can significantly affect sodium levels and patient outcomes, suggesting that this approach has merit.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

All adult patients suffering from non-traumatic subarachnoid haemorrhage.

Exclusion Criteria:

* Patients with major intra-cranial trauma
* Diagnosis of an AV-malformation as the source of subarachnoid hemorrhage on the primary CT/MRI or angiography
* More than 24 hours after diagnosis of subarachnoid haemorrhage as diagnosed by cerebral imaging (CT scan or MRI)
* Patients with clear limitation to therapy at hospital admission (eg ICU admission for evaluation of organ donation)
* Declining of informed consent

Where it's running

  • Department of perioperative Intensive Care Medicine
    Sankt Gallen, Canton of St. Gallen, Switzerland
    Recruiting
  • Department of Intensive Care, Bern University Hospital and University of Bern, Bern, Switzerland
    Bern, Switzerland
    Recruiting
  • Department of Intensive Care Medicine
    Geneva, Switzerland
    Recruiting

Study contacts

  • Principal investigator: Anna S Messmer, MD — Department of Intensive Care, Inselspital, Bern University Hospital and University of Bern, Bern, Switzerland
  • Study coordinator: Anna S Messmer, MD
  • Email: anna.messmer@insel.ch
  • Phone: +41316322111

Similar studies

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.