Investigation of Coagulation Parameters in Hereditary Haemorrhagic Telangiectasia
1 other identifier
observational
100
1 country
1
Brief Summary
We will address coagulation parameters in hereditary haemorrhagic telangiectasia (HHT) compared to controls.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for all trials
Started Aug 2004
Longer than P75 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
August 1, 2004
CompletedFirst Submitted
Initial submission to the registry
September 29, 2005
CompletedFirst Posted
Study publicly available on registry
October 3, 2005
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 1, 2007
CompletedStudy Completion
Last participant's last visit for all outcomes
July 1, 2008
CompletedSeptember 28, 2023
September 1, 2023
2.9 years
September 29, 2005
September 25, 2023
Conditions
Study Arms (2)
HHT patients
Patients with hereditary haemorrhagic telangiectasia. Blood sample to be taken.
Controls
People without hereditary haemorrhagic telangiectasia. Blood sample to be taken.
Interventions
Eligibility Criteria
'Patients with HHT' have a clinical diagnosis of hereditary haemorrhagic telangiectasia (HHT) 'Normal controls' have NO clinical diagnosis of hereditary haemorrhagic telangiectasia (HHT), and are not blood relatives of someone with HHT."
You may qualify if:
- Patients with HHT and normal controls
You may not qualify if:
- Previous thrombosis, recent ill health
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Imperial College Londonlead
- Hammersmith Hospitals NHS Trustcollaborator
Study Sites (1)
Imperial College Hammersmith Campus
London, W12 0NN, United Kingdom
Related Publications (3)
Shovlin CL, Sulaiman NL, Govani FS, Jackson JE, Begbie ME. Elevated factor VIII in hereditary haemorrhagic telangiectasia (HHT): association with venous thromboembolism. Thromb Haemost. 2007 Nov;98(5):1031-9.
PMID: 18000608RESULTLivesey JA, Manning RA, Meek JH, Jackson JE, Kulinskaya E, Laffan MA, Shovlin CL. Low serum iron levels are associated with elevated plasma levels of coagulation factor VIII and pulmonary emboli/deep venous thromboses in replicate cohorts of patients with hereditary haemorrhagic telangiectasia. Thorax. 2012 Apr;67(4):328-33. doi: 10.1136/thoraxjnl-2011-201076. Epub 2011 Dec 14.
PMID: 22169361RESULTShovlin CL, Chamali B, Santhirapala V, Livesey JA, Angus G, Manning R, Laffan MA, Meek J, Tighe HC, Jackson JE. Ischaemic strokes in patients with pulmonary arteriovenous malformations and hereditary hemorrhagic telangiectasia: associations with iron deficiency and platelets. PLoS One. 2014 Feb 19;9(2):e88812. doi: 10.1371/journal.pone.0088812. eCollection 2014.
PMID: 24586400RESULT
Biospecimen
Plasma sample aliquots.
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Claire Shovlin
Imperial College London
Study Design
- Study Type
- observational
- Observational Model
- CASE CONTROL
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 29, 2005
First Posted
October 3, 2005
Study Start
August 1, 2004
Primary Completion
July 1, 2007
Study Completion
July 1, 2008
Last Updated
September 28, 2023
Record last verified: 2023-09