Could a common probiotic soothe IBS? new trial seeks answers

NCT ID NCT07168434

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether a probiotic called Saccharomyces boulardii can reduce symptoms of irritable bowel syndrome (IBS) in adults. About 406 people with non-constipated IBS will take either the probiotic or a placebo daily for 8 weeks. Researchers will measure changes in symptom severity and quality of life to see if the probiotic provides meaningful relief.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Hospital Clínico San Carlos

    NOT_YET_RECRUITING

    Madrid, 28040, Spain

  • Hospital Universitario Central de Asturias & Centro de Salud la Lila

    NOT_YET_RECRUITING

    Oviedo, 33011, Spain

  • Hospital Universitario Costa del Sol

    NOT_YET_RECRUITING

    Marbella, 29603, Spain

  • Hospital Universitario Gregorio Marañon & Centro de Salud Pavones

    RECRUITING

    Madrid, 28007, Spain

  • Hospital Universitario La Paz & Hospital Carlos III

    NOT_YET_RECRUITING

    Madrid, 28046, Spain

  • Hospital Universitario Regional de Málaga

    NOT_YET_RECRUITING

    Málaga, 29010, Spain

  • Hospital Universitario Vall d'Hebron

    NOT_YET_RECRUITING

    Barcelona, 08035, Spain

  • Hospital Universitario de León

    RECRUITING

    León, 24008, Spain

  • Hospital da Luz

    NOT_YET_RECRUITING

    Lisbon, Portugal

  • Hospital de Braga

    RECRUITING

    Braga, Portugal

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