Characterization of Bleeding Disorders in EDS

NCT ID: NCT05434728

Last Updated: 2023-05-09

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

45 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-11-01

Study Completion Date

2024-02-01

Brief Summary

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Ehlers-Danlos Syndrome (EDS) is a disease that weakens the connective tissues (i.e. tendons and ligaments) in the human body. EDS can make the joints loose and alter skin and wound healing. It can also weaken blood vessels and organs. Many EDS patients are referred for investigation of bleeding symptoms. Although most patients will have mild symptoms such as bruising, many will experience significant bleeding that can be life-threatening. The physiological reason behind this has not been identified and therefore, treating this is challenging. In addition, patients with EDS frequently require major surgery due to complications from their connective tissue disease. These surgery carries a significant risk of catastrophic bleeding which is further magnified in this group of patients. The specific reason of clinical bleeding in patients with EDS is likely multifactorial, including skin and blood vessel fragility leading to increased bruising and poor wound healing, coagulopathies related to factor deficiency, acquired vonWillebrand disease (VWD), and notable platelet dysfunction.

Despite compelling preliminary evidence, there is limited data on the diagnosis and management of platelet dysfunction in EDS patients. Therefore, in this study we will characterize hemostasis, the medical term which refers to the process of stopping blood flow, across the three most common subtypes of EDS.we will also determine the burden of illness of pathologic bleeding in patients with Ehlers-Danlos Syndrome (EDS) using validated patient reported tools.

Detailed Description

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Conditions

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Ehlers-Danlos Syndrome EDS Classical Ehlers-Danlos Syndrome Classical EDS (cEDS) Hypermobile Ehlers-Danlos Syndrome Hypermobile EDS (hEDS) Vascular Ehlers-Danlos Syndrome Vascular EDS (vEDS)

Study Design

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Observational Model Type

OTHER

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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Hypermobile EDS

Individuals with a confirmed diagnosis of hypermobile EDS

20 ml venous blood collection

Intervention Type OTHER

participant blood sample will be divided between sample EDTA sample tubes for thrombin generation testing and viscoelastic (ROTEM) testing of impaired hemostasis

Classical EDS

Individuals with a confirmed diagnosis of classical EDS

20 ml venous blood collection

Intervention Type OTHER

participant blood sample will be divided between sample EDTA sample tubes for thrombin generation testing and viscoelastic (ROTEM) testing of impaired hemostasis

Vascular EDS

Individuals with a confirmed diagnosis of vascular EDS

20 ml venous blood collection

Intervention Type OTHER

participant blood sample will be divided between sample EDTA sample tubes for thrombin generation testing and viscoelastic (ROTEM) testing of impaired hemostasis

Interventions

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20 ml venous blood collection

participant blood sample will be divided between sample EDTA sample tubes for thrombin generation testing and viscoelastic (ROTEM) testing of impaired hemostasis

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Any adult (≥ 18 years) patient with a known diagnosis of Ehlers Danlos Syndrome (Subtypes Classical, Hypermobile, or Vascular) as per the 2017 International Classification of Ehlers Danlos Syndrome.

Exclusion Criteria

* Subtypes of Ehlers Danlos Syndrome which are not Classical, Hypermobile, or Vascular.
* Unable or unwilling to consent for the study
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University Health Network, Toronto

OTHER

Sponsor Role lead

Responsible Party

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Nimish Mittal

Medical Director - GoodHope EDS Clinic, Toronto General Hospital

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Nimish Mittal, MBBS, MD

Role: PRINCIPAL_INVESTIGATOR

University Health Network - University of Toronto

Locations

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GoodHope EDS - Toronto General Hospital

Toronto, Ontario, Canada

Site Status

Countries

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Canada

Other Identifiers

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21-5787.0

Identifier Type: -

Identifier Source: org_study_id

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