Comparative Bioavailability and Bioequivalence of Oxazepam 50 mg Orodispersible Tablets (Test) Versus Seresta® 50 mg Tablets (Reference): A Single-Dose, Open-Label, Randomized, Two-Sequence, Two-Treatment, Two-Period Crossover Study in Healthy Subjects
This research is looking at two types of oxazepam 50mg tablets. One is a new tablet designed to dissolve in your mouth, and the other is the standard Seresta® tablet. We want to find out if the new dissolving tablet releases the medicine into your body at a similar speed and amount as the existing Seresta® tablet. This is important to make sure any new medication works as expected and is as safe as the current option. We’ll be giving a single dose of each tablet to healthy volunteers and then measuring how much oxazepam is in their blood over time. We will also check for any side effects and ask about the taste of the new tablet. This is a very early stage of testing for this type of medication.
At a glance
What is this study about?
This study, sometimes called a bioequivalence study, is all about comparing two different ways of taking the same medicine, oxazepam. One is a tablet that's already used, called Seresta® 50mg. The other is a new version of the 50mg oxazepam tablet that is designed to dissolve in your mouth, called an 'Orodispersible Tablet'. The main goal is to check if these two tablets deliver the medicine into your body in a very similar way. This is crucial because it helps us understand if the new dissolving tablet will work just as well and safely as the current Seresta® tablet.
To do this, healthy volunteers will take one dose of each tablet at different times. We will then take blood samples regularly to measure how much oxazepam gets into the bloodstream and how quickly. We'll be looking at the highest level of the medicine in the blood (Cmax) and the total amount absorbed over a certain time (AUC0-t). These are key measurements to ensure that the new dissolving tablet acts just like the standard one.
Beyond just tracking the medicine in the blood, we're also very interested in safety. We'll be carefully monitoring for any side effects, checking your heart activity with an ECG, taking your blood pressure and pulse (vital signs), and doing some standard blood tests. We will also ask volunteers what they think about the taste of the new dissolving tablet shortly after they've taken it. This is a standard process for developing new medicines to make sure they are both effective and user-friendly before they can be considered more widely.
Key takeaways
- This study compares a new dissolving oxazepam tablet to an existing one.
- It aims to ensure both tablets work similarly in the body.
- Healthy adult volunteers are needed for the study.
- Participation involves taking single doses, blood tests, and monitoring.
- Safety and medicine levels in the blood are the main focus.
- Your feedback on the new tablet's taste will also be collected.
Who may be eligible?
This study is looking for healthy adults to take part. You must be at least 18 years old to join, and there is no upper age limit. Both men and women are welcome to participate.
Since this is a study for healthy people, if you have any serious or long-term health conditions, you might not be able to join. The research team will ask you questions about your health and do some checks to make sure you are suitable and that it would be safe for you to take part.
They will make sure you don't have any medical conditions or are taking any medications that could affect how the oxazepam works in your body or make it unsafe for you.
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 generally healthy?
- Are you able to visit a study clinic for appointments?
- Are you not currently taking any medicines that might interfere with oxazepam?
- Are you willing to have blood samples taken?
What does participation involve?
If you decide to take part, you will visit the study clinic for a short stay. First, you'll have an initial health check-up to make sure you're suitable. The study will involve two separate visits where you'll be given a single dose of one of the study drugs – either the dissolving oxazepam tablet or the standard Seresta® tablet. These two visits will be spaced a few days apart. During each visit, you'll have blood samples taken regularly for several hours after you take the tablet to measure the medicine levels in your blood. Your blood pressure, pulse, and heart rate will also be checked frequently, and you'll have an ECG (heart tracing) and some blood tests. After taking the new dissolving tablet, you will be asked about its taste. The total duration of your involvement, including all visits and follow-up, will be explained by the study team.
Potential risks and benefits
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Common questions
What is oxazepam used for normally?
Oxazepam is a medicine sometimes used to treat anxiety or helping with withdrawal symptoms from alcohol.
Why are you doing this study?
We are comparing a new dissolving tablet with an existing tablet to see if they both deliver the medicine to the body in a similar and safe way.
Will I get the new tablet or the old tablet?
You will receive both tablets, but at different times, as part of the study design. You won't know which one you're getting first.
Will I feel any effects from the medicine?
It's possible you might feel some effects like drowsiness. The study team will monitor you closely for any side effects.
Do I have to stay overnight for the study?
The study involves clinic visits, and the team will explain if any overnight stays are required for the monitoring periods.
How to find out more
Always speak to your GP or specialist before deciding to take part in a study.
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