Comparison of morphine and alfentanil in the emergency treatment of severe acute pain in the pre-hospital setting
This study is looking at how well two common pain medicines, morphine and alfentanil, work when given by paramedics for very bad pain. If you have severe pain in an emergency, paramedics might give you one of these drugs before you get to the hospital. Researchers want to find out which one reduces pain more effectively to a manageable level (like 3 out of 10 or less) within 15 minutes of the first injection. They are also checking for any bad side effects like problems with breathing, blood pressure, or feeling very sleepy. This research is important to help paramedics choose the best and safest pain relief for people in emergencies, making sure they get the care they need as quickly as possible.
At a glance
What is this study about?
Imagine you're in severe pain after an accident or a sudden illness, and paramedics are helping you. Their main goal is often to make you feel more comfortable as quickly and safely as possible while they get you to the hospital. This study is specially designed to look at two medicines they might use for very bad pain: morphine and alfentanil. Both are strong pain relievers often given as injections.
The main thing the researchers want to find out is which of these two medicines helps reduce pain the most effectively. Specifically, they're looking to see what percentage of people have their pain brought down to a level of 3 out of 10 or less within 15 minutes of getting the first injection. A pain level of 3 out of 10 is usually considered a much more manageable level of discomfort. This information helps them understand which medicine works faster and better in emergency situations.
Besides how well the medicines work, it's also really important to understand their safety. The study will carefully check for any unwanted effects that might occur. This includes things like changes in breathing, blood pressure, how alert someone is, feelings of sickness, or itchy skin. By gathering all this information, doctors and paramedics can make better decisions about which pain relief is the most helpful and safest choice for people in emergencies.
Key takeaways
- Compares morphine and alfentanil for severe emergency pain.
- Aims to find which drug reduces pain faster and safer in the moment.
- Involves paramedics giving one of these standard pain relief injections.
- Monitors pain levels and potential side effects closely.
- Results could improve emergency pain treatment for future patients.
Who may be eligible?
To be part of this study, you would need to be at least 18 years old. There's no upper age limit, meaning people of any adult age can take part.
This study is open to both men and women. The main requirement for joining is that you are experiencing severe acute pain and are receiving emergency care from paramedics.
When paramedics assess your pain and decide which treatment you might receive, they will also consider if you meet the specific health criteria for this study. This helps ensure the study is safe for you and that the results are accurate.
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.
- Are you 18 years old or older?
- Are you experiencing severe, sudden pain?
- Are you currently receiving emergency care from paramedics?
- Are you able to communicate your pain level?
What does participation involve?
If you were to take part in this study, it would happen during an emergency situation when you are experiencing severe pain and are being treated by paramedics. You wouldn't need to do anything special beforehand or make scheduled visits.
The main part of your participation would involve the paramedics giving you either morphine or alfentanil for your pain, as they normally would, but within the study's framework. They would then observe you closely. They will ask you to rate your pain on a simple scale shortly after the injection (15 minutes later) and will also monitor your vital signs like breathing, blood pressure, and how alert you are. They'll also note if you experience any side effects like feeling sick or itchy. This monitoring happens as part of your normal emergency care until you arrive at the hospital. There are no additional appointments or follow-up visits specifically for the study after you arrive at the hospital.
Potential risks and benefits
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Common questions
What is the study trying to find out?
It's comparing two common pain medications, morphine and alfentanil, to see which one works better and more safely for severe pain in emergencies before getting to the hospital.
Will I know which medicine I'm getting?
The paramedics will know which medicine they are giving, and they will explain it to you as part of your emergency care.
What is 'severe acute pain'?
'Severe acute pain' means very strong pain that has started recently, often due to an injury or sudden illness.
What does 'randomisation protocol' mean?
It means the choice between morphine and alfentanil is made by chance, like flipping a coin, to make the comparison fair between the two medicines.
How will my pain be measured?
You'll be asked to rate your pain on a simple scale, usually from 0 (no pain) to 10 (worst pain imaginable), 15 minutes after the first injection.
How to find out more
Always speak to your GP or specialist before deciding to take part in a study.
Discussion
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