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Dental Dyschromia and Quality of Life in Early Prolonged Hyperbilirubinemia

This study is investigating why some children who had very high levels of bilirubin in their blood (a condition called hyperbilirubinemia) when they were babies might end up with discoloured teeth. We call this dental dyschromia. Researchers want to understand how often this happens and what might make it more likely, such as how long they had high bilirubin, how high it was, or if they had other health problems. The study also aims to figure out if having discoloured teeth affects a child's everyday life, like how they feel about themselves or interact with others. The results will help make a case for health insurance companies to cover dental treatments for these children.

At a glance

Status
Recruiting
Sponsor
University Hospital, Toulouse
Enrolment target
120
Start
07 Apr 2026
Estimated completion
07 Oct 2027

What is this study about?

Imagine your teeth developing a different colour than usual – this is called dental dyschromia. This study is all about understanding why some children who had a condition called hyperbilirubinemia, where there's too much of a yellowish substance called bilirubin in their blood when they were babies, might eventually get discoloured teeth.

The researchers are keen to find out how many children with a history of hyperbilirubinemia experience this problem. They also want to identify things that might make it more likely, like how serious or how long the high bilirubin levels lasted, or if the child had certain other health conditions.

A really important part of this study is to see if having discoloured teeth affects a child's quality of life. This means how happy and comfortable they are with their teeth and smile, and how it impacts their daily life and confidence. The findings from this research will be used to show health insurance companies why covering dental care for these children is so important and should be made easier.

Key takeaways

  • This study explores why some children get discoloured teeth after having high bilirubin as babies.
  • It aims to understand how discoloured teeth might affect a child's life.
  • The findings could help improve health insurance coverage for dental care in these cases.
  • Participation involves answering simple questionnaires about your teeth and feelings.
  • It's for young people aged 12-18 with specific liver conditions.

Who may be eligible?

This study is looking for young people aged between 12 and 18 years old. To be able to join, they must have one of three specific liver conditions: biliary atresia, progressive familial intrahepatic cholestasis, or Alagille syndrome.

It's also important that the young person, or their parent or guardian, is happy for them to take part. This means they are not against being involved in the research.

However, young people will not be able to join if they have difficulty understanding or answering questions about their quality of life.

Could this study suit you?

Answer these quick questions to see if you may be eligible. This is a guide only — the research team makes the final call.

  1. Are you between 12 and 18 years old?
  2. Do you have biliary atresia, progressive familial intrahepatic cholestasis, or Alagille syndrome?
  3. Are you, or your parent/guardian, happy for you to take part in this research?
  4. Can you understand and answer questions about how you feel about your life?
Answer every question to see your result.

What does participation involve?

If you decide to take part, the main activity involved will be completing questionnaires. These questionnaires will ask about your quality of life, focusing on how your teeth and smile affect you. There are no medications involved in this study, and no extra doctor's appointments beyond what you would usually have. The total time commitment will be for completing the questionnaires, and the duration of your participation will depend on how long it takes to fill them out.

Potential risks and benefits

There are no significant physical risks involved in this study, as it only involves answering questionnaires. You might feel a little uncomfortable or emotional answering some questions about your teeth and how they affect your life, but you can skip any question you don't want to answer. The potential benefit is that the information gathered could help improve understanding of dental discolouration and may lead to better access to dental care for children with similar conditions in the future. Remember, you can decide to stop participating at any time without giving a reason.

Locations (9)

  • University Hospital Bordeaux
    Verified postcode
    Bordeaux, France· Recruiting
  • University Hosptial Caen
    Verified postcode
    Caen, France· Recruiting
  • University Hospital Lille
    Verified postcode
    Lille, France· Recruiting
  • Hospices Civils de Lyon
    Verified postcode
    Lyon, France· Recruiting
  • University Hospital Marseille
    Verified postcode
    Marseille, France· Recruiting
  • Assistance Publique-Hôpitaux de Paris, Hôpital Bicêtre, FHU Hépatinov
    Verified postcode
    Paris, France· Recruiting
  • Assistance Publique-Hôpitaux de Paris, Hôpital Bretonneau, Paris
    Verified postcode
    Paris, France· Recruiting
  • Assistance Publique-Hôpitaux de Paris, Hôpital Necker
    Verified postcode
    Paris, France· Recruiting
  • University Hospital Rennes
    Verified postcode
    Rennes, France· Recruiting

Common questions

What is hyperbilirubinemia?

It's a condition where there's too much of a yellowish substance called bilirubin in the blood, often seen in babies.

What does 'dental dyschromia' mean?

It's the medical term for teeth discolouration, where teeth develop an unusual colour.

Will I have to take any medicine in this study?

No, this study only involves answering questionnaires; no medication is given.

Who is paying for this study?

The information provided only states that the study is being conducted by researchers.

What happens with the information I give?

The information will be used to understand the link between high bilirubin and teeth discolouration, and how it affects quality of life, to advocate for better dental care coverage.

How to find out more

Nolwenn LABORDE, MD

Always speak to your GP or specialist before deciding to take part in a study.

Interested in taking part?

Register your interest

Share your details and the research team for "Dental Dyschromia and Quality of Life in Early Prolonged Hyp…" will contact you if you may be eligible. Always speak to your GP before agreeing to take part.

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