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Your journey
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More info
You can access this
clinical trial
if you have
Hereditary Haemorrhagic Telangiectasia
and you are
over 16
years old
This is an observational trial.
You are contributing to medical knowledge about your condition.
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The purpose

Hereditary Haemorrhagic Telangiectasia (HHT) is a condition in which sufferers have abnormal blood vessels which makes them more likely to bleed than other people, particularly in the lungs, which results in low blood oxygen levels. Flying may make this worse and cause problems. The investigators want to know if there are an increased number of problems on flights compared to on land. The investigators currently do not have any evidence based guidelines on air travel to best advice people who suffer with HHT. The investigators would therefore like to ask individuals who have HHT about their experience on a flight, using a postal questionnaire.

Provided treatments

  • Other: Aeroplane flight in the past- no active intervention for study
  • Other: Questionnaire

Locations near you

Unfortunately, there are no recruiting locations near you. Please check the list with all locations below.
Tris trial is registered with FDA with number: NCT01590121. The sponsor of the trial is Imperial College London and it is looking for 145 volunteers for the current phase.
Official trial title:
A Questionnaire Based Study to Evaluate the Safety of Flying in Hereditary Haemorrhagic Telangiectasia (HHT)