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AuthorisedTherapeutic exploratory (Phase II)Interventional

Pilot study comparing the efficacy of intra-articular glenohumeral injection combined with suprascapular nerve block versus intra-articular glenohumeral corticosteroid injection in adhesive capsulitis.

This research is a pilot study, which means it's an early exploration into treating frozen shoulder, also known as adhesive capsulitis. Researchers are comparing two different types of injections to see how well they work. One group will receive an injection directly into the shoulder joint combined with an injection that numbs a specific nerve near the shoulder. The other group will receive only an injection into the shoulder joint. The main goal is to find out if combining the two injections helps improve shoulder pain and movement more effectively over three months. This study will also look at how patients feel over a longer period, up to a year, including their pain levels and ability to use their arm, and how quickly they can return to work.

At a glance

Status
Authorised
Phase
Therapeutic exploratory (Phase II)
Sponsor
Centre Hospitalier Universitaire De Nantes
Enrolment target
38
Start
29 May 2026

What is this study about?

This study is focused on a condition called frozen shoulder, medically known as adhesive capsulitis. It's a problem where your shoulder becomes painful and stiff, making it hard to move your arm. We don't always know why it happens, but it can be very frustrating.

Researchers are trying to find better ways to help people with frozen shoulder. In this study, they're looking at two different approaches involving injections. One approach uses an injection directly into the shoulder joint plus another injection that temporarily numbs a nerve in the shoulder area. The other approach involves just the injection into the shoulder joint. The idea is to see if adding the nerve-numbing injection makes a real difference in how well people recover.

This is a 'Phase II' study, which means it's an early stage of research. It's designed to explore and learn more about these treatments to see if they are promising enough for larger studies later on. The main thing they'll be checking is how much your shoulder pain and movement improve after three months. They'll also keep an eye on your progress for a whole year, looking at pain, how well you can move your arm, and whether you can get back to your everyday activities, like work.

Key takeaways

  • This study evaluates two injection methods for frozen shoulder.
  • It aims to reduce pain and improve shoulder movement.
  • Participation involves injections and follow-up visits for up to one year.
  • It's an early-stage study to learn more about potential treatments.
  • You must be an adult with frozen shoulder to participate.

Who may be eligible?

To be eligible for this study, you need to be an adult, at least 18 years old. The study is open to both men and women.

The most important requirement is that you have been diagnosed with frozen shoulder, which is also called adhesive capsulitis. This is the condition the study is trying to treat. The researchers will have specific ways to confirm your diagnosis to make sure the study is right for you.

There might be other reasons why you wouldn't be able to join, such as having certain other health conditions or taking particular medications. The study team will discuss all of these details with you to see if you're a good fit.

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 18 years old or older?
  2. Have you been diagnosed with frozen shoulder (adhesive capsulitis)?
  3. Are you able to attend follow-up appointments for up to a year?
  4. Are you willing to receive one of two randomly assigned injections?
Answer every question to see your result.

What does participation involve?

If you decide to take part in this study, you will first have an initial visit where the doctors will check if you meet all the requirements. If you do, you will then receive one of two types of injections into your shoulder area. You won't get to choose which type you receive; it will be decided randomly.

After the injection, you will have several follow-up visits over a year. These visits will be at 1 month, 3 months, 6 months, and 12 months after your initial injection. At these visits, the study team will ask you about your pain levels, measure how well you can move your arm, and ask you to fill out questionnaires about your shoulder function. They will also keep track of any side effects you might experience. If you are working, they will also ask about when you return to your job.

Potential risks and benefits

Participating in this study might offer potential benefits, such as receiving a focused treatment for your frozen shoulder and contributing to medical knowledge that could help others in the future. However, there are also potential risks associated with any medical procedure, including injections, such as pain, bruising, or infection at the injection site, or rarely, more serious side effects. The study medications themselves also carry risks. You have the right to withdraw from the study at any time, for any reason, without it affecting your usual medical care.

Locations (1)

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

Common questions

What is 'frozen shoulder'?

Frozen shoulder, or adhesive capsulitis, is a condition where your shoulder becomes very painful and stiff, making it hard to move your arm normally.

What kind of injections are being tested?

The study is comparing two types: one is an injection into the shoulder joint, and the other is an injection into the shoulder joint combined with an injection that numbs a nearby nerve.

How long will the study last if I join?

If you join, you'll be followed for one year, with check-ups at 1, 3, 6, and 12 months after your initial treatment.

Will I know which treatment I'm getting?

No, the treatment you receive will be chosen randomly, like flipping a coin. This helps make the study fair and scientific.

What does a 'pilot study' mean?

A pilot study is an early-stage research project designed to explore new treatments and gather initial information, before potentially moving on to larger studies.

How to find out more

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

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