ClinicalTrials.Veeva

Menu

Clinical Pilot Trial on the Effect of a Probiotic Fermented Drink on Antibiotic-associated Diarrhea (AAD)

C

Clinical Research Center Kiel

Status

Completed

Conditions

Antibiotic-associated Diarrhea

Treatments

Other: acidified milk
Other: probiotic dairy drink

Study type

Interventional

Funder types

Other
Industry

Identifiers

NCT02746198
14DE-KIEL-HPAAD1

Details and patient eligibility

About

The aim of the study is to estimate the effect of a probiotic dairy drink on occurrence and duration of AAD and gastrointestinal symptoms during Helicobacter pylori (Hp) eradication therapy and during 4 weeks thereafter and calculating the sample size for a confirmatory study.

Full description

Helicobacter p. positive subjects aged ≥18 years with an indication for Helicobacter pylori (Hp) eradication recommended by a gastroenterologist should be included in the study. Subjects should be willing to consume 2 servings of the study product per day for 6 weeks, and to undergo an Hp eradication therapy for 14 days starting with the consumption period.

Enrollment

125 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Individuals, both genders, aged ≥ 18 y
  • Helicobacter p. infected individuals, to which eradication therapy has been recommended by gastroenterologists
  • Willingness to undergo the Helicobacter p. eradication therapy
  • Willingness to abstain from food and supplements containing probiotics, prebiotics and fermented products except the study product
  • Written informed consent

Exclusion criteria

  • Subjects currently enrolled in another interventional trial

  • subjects having finished another interventional trial within the last 4 weeks before inclusion

  • incapacity to comply with the study protocol

  • allergy or hypersensitivity to any component of the test product (allergy against milk protein)

  • allergy or hypersensitivity to any component of the eradication therapy (e.g. penicillin allergy)

  • acute GIT infections

  • chronic inflammatory bowel diseases (IBD)

  • irritable bowel syndrome (IBS)

  • any episode of diarrhea according to WHO criteria during the last 4 weeks before inclusion

  • history of lactose intolerance

  • severe chronic disease (cancer, malabsorption, malnutrition, severe chronic inflammatory diseases (except chronic gastritis), renal, hepatic or cardiac diseases, artificial cardiac valve, COPD, respiratory insufficiency)

  • history of active or persistent hepatitis B and C

  • known congenital, acquired or iatrogenic immunodeficiency (e.g. HIV, chemotherapy, immunosuppression)

  • systemic treatment with antibiotics during the last 4 weeks before inclusion

  • systemic treatment likely influencing absorption, metabolism and excretion of food ingredients (metoclopramide, laxatives, body weight management and/or medication etc.)

  • systemic treatment likely interfering or influencing effectiveness of the eradication drugs used e.g. ergotamine, statins, clopidogrel

  • regular medical treatment including OTC, which may have impact on the study aims (e.g. probiotics, antibiotic drugs, laxatives etc.)

  • severe neurological, cognitive or psychiatric diseases

  • surgery or intervention requiring general anaesthesia within 2 months before the study

  • vegan

  • eating disorders (e.g. anorexia, bulimia)

  • present alcohol and drug abuse

  • pregnancy or lactation

  • legal incapacity

  • blood parameters:

    • Hb < 12 g/dL
    • liver transaminases (ALT, AST) > 2-fold increased
    • serum creatinine out of the normal range
  • subjects who are scheduled to undergo hospitalization during the study period

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

125 participants in 2 patient groups, including a placebo group

Verum
Experimental group
Description:
2 bottles (á 65ml) of a probiotic dairy drink consumed daily for 6 weeks
Treatment:
Other: probiotic dairy drink
Placebo
Placebo Comparator group
Description:
2 bottles (á 65ml) of a dairy drink containing chemically acidified milk without bacterial strains consumed daily for 6 weeks
Treatment:
Other: acidified milk

Trial contacts and locations

1

Loading...

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems