AuthorisedHuman Pharmacology (Phase I)- Bioequivalence StudyInterventional

Bioequivalence study 1 to compare pharmacokinetics of Parkinson´s disease drugs in healthy volunteers

This research is a 'bioequivalence study,' which means it compares how two different versions of a medicine for Parkinson's disease are absorbed, used, and cleared by the body. This study is for healthy adult volunteers, not people with Parkinson's. It's an important early-stage study to ensure that if a new version of an existing medicine is made, it works in the same way as the original. By understanding how these medicines act in the body, researchers can ensure new formulations are safe and effective before they are given to patients who need them.

At a glance

Status

Authorised

Phase

Human Pharmacology (Phase I)- Bioequivalence Study

Sponsor

Orion Corporation

Enrolment target

Start

22 May 2026

Parkinson disease

What is this study about?

This study is called a 'bioequivalence study,' which is a scientific way of saying researchers want to check if two different versions of a medicine work in exactly the same way within the body. Imagine you have a branded painkiller and a supermarket own-brand version. This type of study helps ensure both have the same effect by looking at how they are absorbed, how they spread through the body, and how they are eventually removed.

The medicines being studied are for Parkinson's disease, but it's important to know that this particular study involves healthy adult volunteers, not people who have Parkinson's. Scientists often test new or reformulated medicines in healthy people first to understand how the medicine behaves without the added complexities of an illness.

The main goal is to compare how quickly and how much of each medicine gets into the bloodstream. This information is crucial because it helps confirm that any new or generic version of a Parkinson's medicine will behave just like the original, ensuring patients receive consistent and effective treatment. This research is a necessary early step before new medicine versions can be used more widely.

Key takeaways

This study compares two versions of a Parkinson's medicine.
It's for healthy adult volunteers, not people with Parkinson's.
The goal is to ensure new medicines work the same as existing ones.
Participation involves clinic visits and blood tests.
It's an early-stage study to gather important safety information.
You can stop participating at any time.

Who may be eligible?

This study is looking for healthy adults. You need to be at least 18 years old to take part, and there's no upper age limit – older adults are welcome too. Both men and women can participate in this research.

Because this study is looking at how medicines act in a healthy body, you cannot have Parkinson's disease or any other serious ongoing health conditions that might affect how your body responds to medicine. You'll have a health check-up to make sure you're suitable. More detailed requirements will be discussed if you express interest.

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?
Do you not have Parkinson's disease?
Are you willing to attend clinic visits?
Are you comfortable with having blood samples taken?

Answer every question to see your result.

What does participation involve?

If you decide to take part, you'll be given the medicines being tested. This study involves several visits to a clinic over a short period. During these visits, researchers will take blood samples at specific times to measure how much of the medicine is in your body. You might also have regular health checks, such as measuring your blood pressure and heart rate. The exact number of visits, how long they last, and the full duration of your participation, including any follow-up, will be clearly explained to you before you agree to join.

Potential risks and benefits

Potential benefits of taking part include contributing to important medical research that helps develop new or better medicines for patients. You would also receive health checks. Potential risks are generally low in this type of study but could include discomfort from blood draws, or rare side effects from the study medicines, which will be fully explained. You have the right to withdraw from the study at any time without giving a reason, and it will not affect your future medical care.

Locations (1)

Some site locations are approximate. We're improving this — please verify with the trial team before travelling.

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Unverified
Czechia

Common questions

What does 'bioequivalence' mean?

It means the study is comparing two versions of a medicine to see if they are absorbed into the body and act in the same way.

Do I need to have Parkinson's disease to join?

No, this study is specifically for healthy adult volunteers, not people with Parkinson's disease.

What kind of medicine is being tested?

The study is looking at medicines used to treat Parkinson's disease, but in healthy people.

Will I have to stay in a clinic?

The study involves multiple visits to a clinic for health checks and blood samples. Sometimes overnight stays may be required, but this will be fully explained.

What happens if I change my mind after joining?

You are free to leave the study at any time, for any reason, without it affecting your medical care.