Actively Recruiting

All Genders
ID00230685

Hammersmith Hospital Patients With Pulmonary Arteriovenous Malformations and Hereditary Haemorrhagic Telangiectasia

Led by Imperial College London · Updated on 2023-09-28

2000

Participants Needed

1

Research Sites

N/A

Total Duration

On this page

Sponsors

I

Imperial College London

Lead Sponsor

T

The Margaret Hayton HHT Fund

Collaborating Sponsor

AI-Summary

What this Trial Is About

This research aims to learn more about individuals with Hereditary Haemorrhagic Telangiectasia and pulmonary arteriovenous malformations who are seen at Hammersmith Hospital in London. The study looks at medical information collected during regular care since 1985 to understand which patients might be more likely to experience complications such as strokes, brain infections, pregnancy issues, or lung blood pressure problems. Researchers hope to identify clinical features that predict these risks. The study is observational, meaning it reviews existing patient records and clinical measurements without giving any new treatments or interventions. It focuses on analyzing data collected as part of routine care at the hospital's specialized service for this condition. Participants are not assigned to any treatment groups but are followed to see how their clinical characteristics relate to health outcomes. Participants contribute by allowing their medical records and measurements to be reviewed over time. The main outcomes being tracked are the occurrence of strokes and venous blood clots. The study uses data gathered during standard hospital visits and treatments without requiring extra procedures. This allows researchers to monitor patient health and complications in a real-world setting over an extended period, continuing until 2028.

CONDITIONS

Brief Title

Case Notes Review on Patients With Hereditary Haemorrhagic Telangiectasia

Who Can Participate

All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Patients attending Hammersmith Hospital
Not Eligible

You will not qualify if you...

History of severe allergic reactions to study medication Currently pregnant or breastfeeding Recent participation in another clinical trial within the last 30 days Presence of uncontrolled medical conditions that could affect safety

AI-Screening

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

Long-term Monitoring

Duration - Up to several years

Participants who attend the Hammersmith Hospital are observed to assess the risk of complications related to Hereditary haemorrhagic telangiectasia and pulmonary arteriovenous malformations.

Trial Site Locations

Total: 1 location

1

Respiratory Medicine, Hammersmith Hospital

London, United Kingdom, W12 0NN

Actively Recruiting

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Research Team

C

Claire L Shovlin

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

0

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Published Research Related To This Trial

Should asymptomatic patients with hereditary haemorrhagic telangiectasia (HHT) be screened for cerebral vascular malformations? Data from 22,061 years of HHT patient life.

A J Easey, G M F Wallace, J M B Hughes...

https://pubmed.ncbi.nlm.nih.gov/12754343

Primary determinants of ischaemic stroke/brain abscess risks are independent of severity of pulmonary arteriovenous malformations in hereditary haemorrhagic telangiectasia.

C L Shovlin, J E Jackson, K B Bamford...

https://pubmed.ncbi.nlm.nih.gov/17981912

Elevated factor VIII in hereditary haemorrhagic telangiectasia (HHT): association with venous thromboembolism.

Claire L Shovlin, N Laila Sulaiman, Fatima S Govani...

https://pubmed.ncbi.nlm.nih.gov/18000608

Estimates of maternal risks of pregnancy for women with hereditary haemorrhagic telangiectasia (Osler-Weber-Rendu syndrome): suggested approach for obstetric services.

C L Shovlin, V Sodhi, A McCarthy...

https://pubmed.ncbi.nlm.nih.gov/18518871

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.

John A Livesey, Richard A Manning, John H Meek...

https://pubmed.ncbi.nlm.nih.gov/22169361

Ischaemic strokes in patients with pulmonary arteriovenous malformations and hereditary hemorrhagic telangiectasia: associations with iron deficiency and platelets.

Claire L Shovlin, Basel Chamali, Vatshalan Santhirapala...

https://pubmed.ncbi.nlm.nih.gov/24586400

Arterial oxygen content is precisely maintained by graded erythrocytotic responses in settings of high/normal serum iron levels, and predicts exercise capacity: an observational study of hypoxaemic patients with pulmonary arteriovenous malformations.

Vatshalan Santhirapala, Louisa C Williams, Hannah C Tighe...

https://pubmed.ncbi.nlm.nih.gov/24637882

Hemoglobin Is a Vital Determinant of Arterial Oxygen Content in Hypoxemic Patients with Pulmonary Arteriovenous Malformations.

Abeer Rizvi, Patricia Macedo, Lydia Babawale...

https://pubmed.ncbi.nlm.nih.gov/28267932