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Clinical trials and research at University of Rijeka

• 5Clinical trials
• 1Country

Newest trials

All recruiting trials (5)

• Lyophilized donor gut bacteria capsules for treating irritable bowel syndrome

  This trial will test whether taking oral freeze-dried fecal microbiota capsules can help adults 18–65 with IBS that hasn't responded to usual treatments.

  Recruiting Phase 1/2 University of Rijeka · Rijeka · NCT07481422

• Blood-count inflammation scores (SII and SIRI) to predict metabolic complications in adults with overweight or obesity

  This project will test whether two blood-count-based scores (SII and SIRI) can help predict metabolic complications and treatment response in adults with overweight or obesity.

  Recruiting University of Rijeka · Varaždin · NCT07431593

• Oral freeze-dried donor stool capsules to clear antibiotic-resistant gut bacteria.

  This will see if taking oral capsules of freeze-dried healthy donor stool can safely clear multidrug-resistant bacteria from the gut of adults who are colonized.

  Recruiting Phase 1/2 University of Rijeka · Rijeka · NCT07106580

• Assessing 3D Facial Changes and Sleep Issues in Children with Jaw Discrepancies

  This study is testing whether a special mouth appliance can help children with jaw problems improve their facial structure and sleep quality.

  Recruiting University of Rijeka · Rijeka, Primorje-Gorski Kotar County · NCT06726005

• Expanding the upper jaw to improve sleep issues in children

  This study is testing if using a special device to widen the upper jaw can help children with sleep breathing problems feel better.

  Recruiting University of Rijeka · Rijeka, Primorje-Gorski Kotar County · NCT06725979

Quick answers

How many clinical trials run by University of Rijeka are recruiting right now?

5, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

All of them have sites in Croatia. Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 1/2: 2. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

Find the studies that fit you

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