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Clinical Trials/NCT07276009
NCT07276009
Not yet recruiting
Not Applicable

The Effect of Multi-strain Probiotic Formulation on Gastrointestinal Symptoms, Quality of Life and Mental Health in Patients With Functional Dyspepsia: a Randomized Dietary Trial

Nordic Biotic Sp. z o.o.0 sites60 target enrollmentStarted: January 5, 2026Last updated:
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Overview

Phase
Not Applicable
Status
Not yet recruiting
Enrollment
60
Primary Endpoint
Change in Gastrointestinal Symptom Rating Scale
OverviewStudy DesignEligibility CriteriaOutcomesInvestigatorsRecords & IdentifiersSimilar Trials

Overview

Brief Summary

The goal of this clinical trial is to learn whether a multi-strain probiotic can reduce digestive symptoms and improve quality of life in adults with functional dyspepsia. The main questions it aims to answer are:

  • Does the probiotic reduce symptoms such as fullness after meals, bloating, stomach discomfort, and early satiation?
  • Does the probiotic improve emotional well-being, including stress, anxiety, and mood? Researchers will compare the probiotic to a placebo (a look-alike capsule with no active ingredients) to see if the probiotic truly helps adults with functional dyspepsia.

Participants will:

  • Take one capsule of the probiotic or placebo once daily before meals for 60 days
  • Complete questionnaires about their digestive symptoms at the start, 1 month, and 2 months
  • Complete surveys on stress, anxiety, depression, and quality of life at the start and 2 months
  • Attend scheduled study visits for checkups and assessments

Study Design

Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel
Primary Purpose
Supportive Care
Masking
Triple (Participant, Care Provider, Investigator)

Eligibility Criteria

Ages
18 Years to 65 Years (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • •Age 18-65 years
  • •Diagnosis of Functional Dyspepsia based on Rome IV criteria, with symptoms present for at least 3 months, and symptom onset at least 6 months before diagnosis, including:
  • •Postprandial fullness
  • •Early satiation
  • •Epigastric pain or burning
  • •(with no evidence of structural disease explaining symptoms)
  • •Moderate to severe symptom severity at baseline, as defined by a validated scale (e.g., NDI or global symptom score)
  • •Normal upper GI endoscopy within the last 12 months (or at screening), excluding structural disease (e.g., peptic ulcer, malignancy)
  • •Negative for H. pylori (either previously treated successfully or tested negative within study screening)
  • •Ability and willingness to provide informed consent and comply with study procedures

Exclusion Criteria

  • •Evidence of structural GI disease (e.g., peptic ulcer, gastric cancer, celiac disease) on recent or screening endoscopy
  • •History of gastrointestinal surgery affecting stomach or small intestine (except appendectomy or cholecystectomy)
  • •Positive test for H. pylori during screening (or untreated known infection)
  • •Current or recent use (within 4 weeks) of antibiotics, pre-, pro- or postbiotics, unless part of study protocol
  • •Use of medications affecting GI motility (e.g., prokinetics, opioids, anticholinergics) within 2-4 weeks before enrollment
  • •Overlap with other functional GI disorders (except IBS) if they are the dominant complaint, unless your protocol allows overlap
  • •Clinically significant psychiatric illness (e.g., major depression, schizophrenia) that may interfere with symptom reporting or adherence
  • •Severe systemic or metabolic disease (e.g., uncontrolled diabetes, renal or hepatic failure)
  • •Pregnancy or lactation, or intention to become pregnant during the study period
  • •Participation in another clinical trial within the past 3 months

Outcomes

Primary Outcomes

Change in Gastrointestinal Symptom Rating Scale

Time Frame: 30 and 60 days

Secondary Outcomes

No secondary outcomes reported

Investigators

Sponsor Class
Industry
Responsible Party
Sponsor

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