CClinicalTrials.gg
Status unknownNCT05149261SAACAOGUpdated Dec 8, 2021

Coagulopathy in Acute Aortic Syndrome

An observational study in Coagulopathy, sponsored by European Georges Pompidou Hospital. Status unknown at 1 site in France. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2021-12-08.

Sponsored by European Georges Pompidou Hospital · Observational

The sponsor has not verified this record recently (last verified Nov 2021), so the status shown — last known as Recruiting — may be out of date.
Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
500
Ages
18 Years and older
Sex
All
01

Study summary

The existence of AAS coagulopathy has been reported, related to blood contact with the walls of the non-endothelialized false lumens. It is likely that endothelial dysfunction generated by vascular lesions may largely contribute to the development of coagulopathy, such as described in trauma-induced coagulopathy. This endotheliopathy of the AAS has never been evaluated. The coagulopathy of AAS and more specifically the endotheliopathy are poorly described and therefore have no standardized treatment.

The main objective of this study is to describe the coagulopathy

Read the detailed description

Acute aortic syndromes (AAS) result from an organic lesion of the aortic wall. The various symptoms of AAS, mainly the acute chest pain, leads to a breakdown of the intima or the media of the aorta. This syndrome is made of three entities : aortic dissection (DA), intra-mural hematoma (HIM) and penetrating atherosclerotic ulcer (PAU). Surgery is a complex emergency treatment of choice. Patients suffering from these pathologies die mainly from hemorrhagic shock due to haemostasis disorders, which requires massive transfusion. The existence of AAS coagulopathy has been reported, related to blood contact with the walls of the non-endothelialized false lumens. It is likely that endothelial dysfunction generated by vascular lesions may largely contribute to the development of coagulopathy, such as described in trauma-induced coagulopathy. This endotheliopathy of the AAS has never been evaluated. The coagulopathy of AAS and more specifically the endotheliopathy are poorly described and therefore have no standardized treatment.

The main objective of this study is to describe the coagulopathy and more specifically the endotheliopathy of AAS, in particular assessing coagulation disorders, hyperactivation of fibrinolysis, quantitative or functional platelets disorder and endotheliopathy. The secondary objective is to determine the factors associated with this coagulopathy. This includes 1 / assessment of potential risk factors for coagulopathy, 2 / the prognosis of coagulopathy by assessing the relationship between coagulopathy and transfusion requirements and mortality.

02

Conditions studied

  • Coagulopathy

Keywords

  • Coagulopathy
  • Acute aortic dissection
  • Blood transfusion
03

In context

Hemostatic Disorders

503 studies on the registry are indexed under Hemostatic Disorders; 71 are open to participants now.

This study's planned enrollment of 500 is above the median of 100 across 229 observational studies indexed under Hemostatic Disorders.

Browse Hemostatic Disorders studies →

Lead sponsor

European Georges Pompidou Hospital is the lead sponsor of 23 studies on the registry; 4 are open to participants now.

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

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Sampling method
Non-probability sample

Study population

The EGPH offers, since 2009, a multidisciplinary network called "SOS Aorta" to centralize clinico-radiological suspicions of acute aortic syndrome in Ile de France and provide responsive and accessible medico-surgical care permanently. We included prospectively and analysed retrospectively (descripive study) all patient aged more than 18y who were admitted at EGPH for AAS suspicion via SOS Aorta Network.

Inclusion criteria

  • admitted to hospital via the "SOS Aorta" network for acute aortic syndrome (AAS) suspicion

Exclusion criteria

Exclusion Criteria:

  • aged \< 18y
  • pregnant women
  • no social security
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
500 participants (estimated)
Patient registry
No
Biospecimen retention
Samples without dna

Groups and cohorts

  • Acute aortic syndrome

    patients admitted to the Georges Pompidou European Hospital via the "SOS aorta" network

06

What researchers measure

Primary outcomes

  1. total transfusion requirements

    red blood cells units (number)

    Time frame: Day 2

  2. death from AAS

    probability of Survival (pourcentage %)

    Time frame: Day 30

  3. coagulopathy rTQ > 1.2 incidence

    pourcentage %

    Time frame: baseline

Secondary outcomes

  1. total transfusion requirements

    red blood cell unit, fresh frozen plasma and platelets units (number)

    Time frame: Day 1

  2. total transfusion requirements

    red blood cell unit, fresh frozen plasma and platelets units (number)

    Time frame: Day 2

  3. total transfusion requirements

    red blood cell unit, fresh frozen plasma and platelets units

    Time frame: Day 3

  4. total transfusion requirements

    red blood cell unit, fresh frozen plasma and platelets units

    Time frame: Day 7

  5. biological AAS coagulopathy : coagulation factors consumption

    pourcentage %

    Time frame: Day 1, Day 2, Day 3, Day 7

  6. biological AAS coagulopathy : coagulation factors consumption

    pourcentage %

    Time frame: Day 2

  7. biological AAS coagulopathy : coagulation factors consumption

    pourcentage %

    Time frame: Day 3

  8. biological AAS coagulopathy : coagulation factors consumption

    pourcentage %

    Time frame: Day 7

  9. biological AAS coagulopathy : fibrinolysis D-dimers

    µg/L

    Time frame: Day 1

  10. biological AAS coagulopathy : fibrinolysis D-dimers

    µg/L

    Time frame: Day 2

  11. biological AAS coagulopathy : fibrinolysis D-dimers

    µg/L

    Time frame: Day 3

  12. biological AAS coagulopathy : fibrinolysis D-dimers

    µg/L

    Time frame: Day 7

  13. hospitalisation duration

    number of days

    Time frame: hospital discharge

  14. impact of misdiagnosis and misdiagnosis-induced treatments

    massive post-operative bleeding (BART definition)

    Time frame: Day 2

  15. impact of misdiagnosis and misdiagnosis-induced treatments

    massive post-operative bleeding (BART definition)

    Time frame: Day 7

  16. platelets dysfunction

    platelets rate G/L

    Time frame: day 1

  17. platelets dysfunction

    platelets rate G/L

    Time frame: day 2

  18. platelets dysfunction

    platelets rate G/L

    Time frame: day 3

  19. platelets dysfunction

    platelets rate G/L

    Time frame: day 7

  20. platelets dysfunction

    CD 40 L pg/mL

    Time frame: baseline

  21. endotheliopathy

    IL6 rate pg/mL

    Time frame: baseline

  22. endotheliopathy

    IL8 rate pg/mL

    Time frame: baseline

  23. endotheliopathy

    syndecan rate pg/mL

    Time frame: baseline

  24. endotheliopathy

    endocan rate pg/mL

    Time frame: baseline

  25. endotheliopathy

    angiopoietine 2 rate ng/mL

    Time frame: baseline

  26. endotheliopathy

    angiopoietine 2 / angiopoietine 2 ratio

    Time frame: baseline

  27. endotheliopathy

    VEGF ng/mL

    Time frame: baseline

  28. endotheliopathy

    FGF basic ng/mL

    Time frame: baseline

  29. symptoms-surgery delay

    time hours

    Time frame: baseline

  30. clinical severity shock

    acidosis pH

    Time frame: baseline

  31. clinical severity shock

    lactate level (mmol/L)

    Time frame: baseline

  32. clinical severity shock

    number of organs with malperfusion (number)

    Time frame: baseline

07

Study locations

1 of 1 sites recruiting
  • Université de Paris
    Paris, France
    Recruiting
08

References and documents

Individual participant data

Plan to share: Undecided — we will maybe try later to make a multicentric descriptive analysis with other french hospitals

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 8, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05149261
Lead sponsor
European Georges Pompidou Hospital
Responsible party
Diane Zlotnik (Principal Investigator, European Georges Pompidou Hospital) — Principal investigator
First posted
Dec 8, 2021
Start date
Jul 1, 2019
Primary completion
Dec 31, 2024 (estimated)
Completion
Dec 31, 2024 (estimated)
Last update
Dec 8, 2021

Study contacts

Diane Zlotnik, MD
Contact
diane.zlotnik@aphp.fr
+33156092428
Anne Godier, MD-PhD
Contact
anne.godier@aphp.fr
+33156092584
Diane Zlotnik, MD
principal investigator · European Georges Pompidou Hospital
Anne Godier, MD-PhD
study chair · European Georges Pompidou Hospital

Oversight

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

Not currently enrolling

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

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