Efficacy and safety of early intramuscular botulinum toxin injections in the prevention of shoulder deformity in infants with obstetric brachial plexus palsy: a randomized double-blind multicenter controlled trial.
This research is investigating if early treatment with botulinum toxin (Botox) injections can prevent shoulder deformity in infants diagnosed with obstetric brachial plexus palsy (OBPP). OBPP is a condition that affects some babies and can cause weakness or paralysis in their arm and hand. The study will compare babies who receive the botulinum toxin with those who receive a harmless salt solution (placebo). We will measure changes in the shoulder joint using MRI scans to see if the treatment helps prevent the head of the arm bone from moving out of place. The main goal is to understand if this early intervention can lead to better long-term outcomes for these children.
At a glance
What is this study about?
This study is looking into a condition called Obstetric Brachial Plexus Palsy, or OBPP for short. This happens when the nerves that control movement and feeling in a baby's arm and hand get damaged during birth. This can lead to the arm being weak or even paralysed. Over time, for some children with OBPP, the shoulder joint can also develop abnormally, which might cause problems later on.
Researchers want to see if giving injections of a medicine called botulinum toxin (you might know it as Botox) early on can help prevent these shoulder problems. They believe that by relaxing certain muscles, the botulinum toxin might help the shoulder joint develop in a more typical way. This study is a Phase III trial, which means it's a final stage of testing to confirm if the treatment is effective and safe before it can be widely used.
The main way they will check if the treatment works is by using special scans called MRIs (Magnetic Resonance Imaging). They will take pictures of the baby's shoulder before the treatment and then again six months later. They'll be looking to see if the botulinum toxin helps keep the arm bone in a better position within the shoulder joint, potentially preventing a deformity from getting worse.
Key takeaways
- This study explores early Botox injections to prevent shoulder problems in babies with OBPP.
- The treatment aims to help the shoulder joint develop normally.
- MRI scans will be used to track changes in the shoulder bone position.
- It's a 'double-blind' study, meaning some babies will receive a placebo.
- The study will monitor babies for several years to understand long-term outcomes.
Who may be eligible?
This study is designed for babies who have been diagnosed with Obstetric Brachial Plexus Palsy (OBPP). If your baby has this condition, they might be able to take part.
There are no age or gender restrictions, meaning both baby boys and girls of any age range could potentially be included. However, there will be other specific medical details that the study doctors will check to make sure the study is suitable and safe for your child.
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.
- Has my baby been diagnosed with Obstetric Brachial Plexus Palsy (OBPP)?
- Is my baby able to have MRI scans safely?
- Am I comfortable with my baby potentially receiving either an active medicine or a placebo?
- Can I commit to the necessary hospital visits and follow-up appointments for my baby?
- Have I discussed this study thoroughly with my baby's doctor?
What does participation involve?
If your baby takes part in this study, they would be randomly assigned to receive either the botulinum toxin injection or a harmless salt solution (called a placebo). You wouldn't know which one your baby receives, as it's a 'double-blind' study to keep the results fair. Both treatments are given as injections into specific muscles around the shoulder.
Your baby would have MRI scans of their shoulder before the injection and again about six months later, at around 11 and 18 months of age respectively. Doctors and nurses would also regularly check your baby's arm and hand movement, muscle strength, and general health after the injection. They will also monitor for any side effects. This follow-up will continue for several years after the main part of the study, up to your child's 10th birthday, to see the long-term effects.
Potential risks and benefits
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Common questions
What is Obstetric Brachial Plexus Palsy (OBPP)?
It's a condition affecting some babies where nerves controlling their arm and hand movement are damaged during birth, causing weakness.
What is botulinum toxin (Botox)?
It's a medicine injected into muscles to make them relax, often used for various medical conditions.
What is a 'double-blind' study?
It means neither you nor the doctors know if your baby is getting the active medicine or a dummy treatment (placebo), to keep the results fair.
What is an MRI scan?
It's a special type of scan that uses magnets and radio waves to take detailed pictures inside the body, like of your baby's shoulder joint.
How long will my baby be followed after the main study?
Doctors will continue to check on your child's progress until they are 10 years old to understand the long-term effects.
How to find out more
Always speak to your GP or specialist before deciding to take part in a study.
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