NCT04951453

Brief Summary

Acute brain injury due to traumatic brain injury (TBI), intracerebral haemorrhage (ICH), and aneurysmal subarachnoid haemorrhage (SAH) carries a high morbidity and mortality, in part due to the development of secondary brain injury. The mechanisms behind secondary brain injury are incompletely understood, but oxidative/nitrosative stress and disturbances in the metabolism of the vasodilator nitric oxide (NO) are believed to be involved. The aim of the present study is to characterise systemic changes in markers of oxidative/nitrosative stress and NO metabolism in the early phase after acute brain injury, and to examine their relationship to clinical course, neurological outcome, and mortality.

Trial Health

55
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
150

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Aug 2021

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 28, 2021

Completed
8 days until next milestone

First Posted

Study publicly available on registry

July 6, 2021

Completed
1 month until next milestone

Study Start

First participant enrolled

August 18, 2021

Completed
2.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 30, 2024

Completed
1.3 years until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2025

Completed
Last Updated

November 15, 2024

Status Verified

March 1, 2024

Enrollment Period

2.7 years

First QC Date

June 28, 2021

Last Update Submit

November 13, 2024

Conditions

Keywords

Nitrosative StressOxidative StressNitric OxideAcute Brain InjurySubarachnoid HemorrhageIntracerebral HemorrhageTraumatic Brain InjurySecondary Brain InjuryNeuromonitoring

Outcome Measures

Primary Outcomes (1)

  • Neurological outcome (modified Rankin scale)

    Neurological outcome as assessed using the modified Rankin Scale, which measures the degree of disability on a scale from 0 to 6 (higher score indicates a worse outcome)

    6 months

Secondary Outcomes (3)

  • Mortality

    6 months

  • Neuroworsening

    Within 14 days

  • Delayed Cerebral Ischaemia (DCI)

    Within 14 days

Other Outcomes (7)

  • Levels of brain injury biomarkers

    Within 14 days

  • Angiographic vasospasm

    Within 14 days

  • Length of stay

    During hospitalisation

  • +4 more other outcomes

Study Arms (3)

Aneurysmal subarachnoid haemorrhage

Patients with SAH (see eligibility criteria below). Planned enrollment: 50 patients.

Other: None (observational)

Intracerebral haemorrhage

Patients with ICH (see eligibility criteria below). Planned enrollment: 50 patients.

Other: None (observational)

Traumatic Brain Injury

Patients with TBI (see eligibility criteria below). Planned enrollment: 50 patients.

Other: None (observational)

Interventions

None (observational)

Aneurysmal subarachnoid haemorrhageIntracerebral haemorrhageTraumatic Brain Injury

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Patients with acute brain injury (SAH, ICH or TBI) admitted to the NICU at Rigshospitalet - see detailed inclusion and exclusion criteria above.

You may qualify if:

  • Admission to the Neurointensive Care Unit (NICU) at Rigshospitalet
  • Diagnosis of TBI, spontaneous ICH or aneurysmal SAH
  • Initiation of blood sampling possible within 3 days after ictus
  • Expected length of stay in the NICU and/or intermediate care unit of ≥48 hours
  • Closest relatives understand written and spoken Danish

You may not qualify if:

  • Expected death within 24 hours
  • ICH secondary to other causes (e.g., a tumour or arteriovenous malformation)
  • SAH secondary to other causes (e.g., a mycotic aneurysm or arteriovenous malformation)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Rigshospitalet

Copenhagen, DK-2100, Denmark

Location

Related Publications (16)

  • Morris GF, Juul N, Marshall SB, Benedict B, Marshall LF. Neurological deterioration as a potential alternative endpoint in human clinical trials of experimental pharmacological agents for treatment of severe traumatic brain injuries. Executive Committee of the International Selfotel Trial. Neurosurgery. 1998 Dec;43(6):1369-72; discussion 1372-4.

    PMID: 9848851BACKGROUND
  • Vergouwen MD, Vermeulen M, van Gijn J, Rinkel GJ, Wijdicks EF, Muizelaar JP, Mendelow AD, Juvela S, Yonas H, Terbrugge KG, Macdonald RL, Diringer MN, Broderick JP, Dreier JP, Roos YB. Definition of delayed cerebral ischemia after aneurysmal subarachnoid hemorrhage as an outcome event in clinical trials and observational studies: proposal of a multidisciplinary research group. Stroke. 2010 Oct;41(10):2391-5. doi: 10.1161/STROKEAHA.110.589275. Epub 2010 Aug 26.

    PMID: 20798370BACKGROUND
  • Stocchetti N, Taccone FS, Citerio G, Pepe PE, Le Roux PD, Oddo M, Polderman KH, Stevens RD, Barsan W, Maas AI, Meyfroidt G, Bell MJ, Silbergleit R, Vespa PM, Faden AI, Helbok R, Tisherman S, Zanier ER, Valenzuela T, Wendon J, Menon DK, Vincent JL. Neuroprotection in acute brain injury: an up-to-date review. Crit Care. 2015 Apr 21;19(1):186. doi: 10.1186/s13054-015-0887-8.

    PMID: 25896893BACKGROUND
  • Werner C, Engelhard K. Pathophysiology of traumatic brain injury. Br J Anaesth. 2007 Jul;99(1):4-9. doi: 10.1093/bja/aem131.

    PMID: 17573392BACKGROUND
  • Pacher P, Beckman JS, Liaudet L. Nitric oxide and peroxynitrite in health and disease. Physiol Rev. 2007 Jan;87(1):315-424. doi: 10.1152/physrev.00029.2006.

    PMID: 17237348BACKGROUND
  • Garry PS, Ezra M, Rowland MJ, Westbrook J, Pattinson KT. The role of the nitric oxide pathway in brain injury and its treatment--from bench to bedside. Exp Neurol. 2015 Jan;263:235-43. doi: 10.1016/j.expneurol.2014.10.017. Epub 2014 Oct 29.

    PMID: 25447937BACKGROUND
  • Toda N, Ayajiki K, Okamura T. Cerebral blood flow regulation by nitric oxide: recent advances. Pharmacol Rev. 2009 Mar;61(1):62-97. doi: 10.1124/pr.108.000547. Epub 2009 Mar 16.

    PMID: 19293146BACKGROUND
  • Cherian L, Goodman JC, Robertson CS. Brain nitric oxide changes after controlled cortical impact injury in rats. J Neurophysiol. 2000 Apr;83(4):2171-8. doi: 10.1152/jn.2000.83.4.2171.

    PMID: 10758126BACKGROUND
  • Sehba FA, Schwartz AY, Chereshnev I, Bederson JB. Acute decrease in cerebral nitric oxide levels after subarachnoid hemorrhage. J Cereb Blood Flow Metab. 2000 Mar;20(3):604-11. doi: 10.1097/00004647-200003000-00018.

    PMID: 10724124BACKGROUND
  • Sehba FA, Bederson JB. Nitric oxide in early brain injury after subarachnoid hemorrhage. Acta Neurochir Suppl. 2011;110(Pt 1):99-103. doi: 10.1007/978-3-7091-0353-1_18.

    PMID: 21116923BACKGROUND
  • Sobey CG, Faraci FM. Subarachnoid haemorrhage: what happens to the cerebral arteries? Clin Exp Pharmacol Physiol. 1998 Nov;25(11):867-76. doi: 10.1111/j.1440-1681.1998.tb02337.x.

    PMID: 9807657BACKGROUND
  • Sehba FA, Chereshnev I, Maayani S, Friedrich V Jr, Bederson JB. Nitric oxide synthase in acute alteration of nitric oxide levels after subarachnoid hemorrhage. Neurosurgery. 2004 Sep;55(3):671-7; discussion 677-8. doi: 10.1227/01.neu.0000134557.82423.b2.

    PMID: 15335435BACKGROUND
  • Hino A, Tokuyama Y, Weir B, Takeda J, Yano H, Bell GI, Macdonald RL. Changes in endothelial nitric oxide synthase mRNA during vasospasm after subarachnoid hemorrhage in monkeys. Neurosurgery. 1996 Sep;39(3):562-7; discussion 567-8. doi: 10.1097/00006123-199609000-00026.

    PMID: 8875487BACKGROUND
  • Jung CS, Oldfield EH, Harvey-White J, Espey MG, Zimmermann M, Seifert V, Pluta RM. Association of an endogenous inhibitor of nitric oxide synthase with cerebral vasospasm in patients with aneurysmal subarachnoid hemorrhage. J Neurosurg. 2007 Nov;107(5):945-50. doi: 10.3171/JNS-07/11/0945.

    PMID: 17977265BACKGROUND
  • Pluta RM. Dysfunction of nitric oxide synthases as a cause and therapeutic target in delayed cerebral vasospasm after SAH. Acta Neurochir Suppl. 2008;104:139-47. doi: 10.1007/978-3-211-75718-5_28.

    PMID: 18456999BACKGROUND
  • Bailey DM, Taudorf S, Berg RM, Lundby C, McEneny J, Young IS, Evans KA, James PE, Shore A, Hullin DA, McCord JM, Pedersen BK, Moller K. Increased cerebral output of free radicals during hypoxia: implications for acute mountain sickness? Am J Physiol Regul Integr Comp Physiol. 2009 Nov;297(5):R1283-92. doi: 10.1152/ajpregu.00366.2009. Epub 2009 Sep 2.

    PMID: 19726713BACKGROUND

Biospecimen

Retention: SAMPLES WITH DNA

Blood (whole blood, serum, plasma, and red blood cells)

MeSH Terms

Conditions

Subarachnoid HemorrhageCerebral HemorrhageBrain Injuries, TraumaticBrain Injuries

Condition Hierarchy (Ancestors)

Intracranial HemorrhagesCerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesVascular DiseasesCardiovascular DiseasesHemorrhagePathologic ProcessesPathological Conditions, Signs and SymptomsCraniocerebral TraumaTrauma, Nervous SystemWounds and Injuries

Study Officials

  • Anton Lund, MD

    Rigshospitalet, Denmark

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
MD

Study Record Dates

First Submitted

June 28, 2021

First Posted

July 6, 2021

Study Start

August 18, 2021

Primary Completion

April 30, 2024

Study Completion

September 1, 2025

Last Updated

November 15, 2024

Record last verified: 2024-03

Data Sharing

IPD Sharing
Will share

Data from each individual participant will be available after publication of planned manuscripts, with a valid reason, and after signing a data processing agreement.

Shared Documents
STUDY PROTOCOL
Time Frame
The approved study protocol will be available upon request until publication of the study results.
Access Criteria
Valid reason and contact with author.

Locations