ISRCTN ISRCTN16359093
DOI https://doi.org/10.1186/ISRCTN16359093
Secondary identifying numbers PPv1.0
Submission date
25/06/2015
Registration date
07/07/2015
Last edited
06/07/2015
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Infections and Infestations
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English summary of protocol

Background and study aims
The human gut has been identified as one of the parts of the body that is most densely populated with bacteria (known collectively as the gut microbiota). Antibiotics are used to combat infections caused by harmful (pathogenic) bacteria. However, antibiotics can have a damaging effect on the gut microbiota and can lead to the development of bacteria that are resistant to antibiotics. Probiotics are live bacteria and yeasts that may be good for your health. This study will assess the effects of taking probiotics when taking antibiotics on the composition of the gut microbiota and whether there are any changes in the incidence of antibiotic-resistant organisms.

Who can participate?
Children aged 3-18 years with infections requiring antibiotic treatment.

What does the study involve?
Participants will be randomly allocated to take either probiotics or placebo (dummy) tablets for 30 days and provide stool, urine and saliva samples at the start of the study, upon completion of the antibiotic course and after 30 days (at the end of the study). Parents/guardians will need to complete a diet and physical activity questionnaire at the start and end of the study and also record children's weekly health diaries.

What are the possible benefits and risks of participating?
Probiotic supplementation is intended to prevent disruption of the gut microbiota. There are no known risks to participants taking part in this study.

Where is the study run from?
Children's Health Centre Juvenalia Ltd, Dunajska Streda, Slovakia.
Institute of Medical Chemistry, Comenius University, Bratislava, Slovakia.

When is the study starting and how long is it expected to run for?
From November 2014 to December 2015.

Who is funding the study?
Cultech Ltd, Port Talbot, UK.

Who is the main contact?
Associate Professor Jana Muchova.
jana.muchova@fmed.uniba.sk

Contact information

Assoc. Prof Jana Muchova
Scientific

Institute of Medical Chemistry, Biochemistry and Clinical Biochemistry
Faculty of Medicine
Comenius University
Bratislava
81372
Slovakia

ORCiD logoORCID ID 0000-0001-7419-6913

Study information

Study designRandomised double-blind placebo-controlled single-centre study
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Other
Study typeOther
Participant information sheet Not available in web format, please use the contact details below to request a patient information sheet
Scientific titleA study to Investigate the impact of probiotics on children's gut microbiota following antibiotic therapy
Study acronymPROCHANT
Study objectivesThis study aims to investigate the impact of supplementation with Lab4 probiotics on the gut microbiota of 3 to 18 year olds when administered in conjunction with antibiotic therapy.
Ethics approval(s)Ethical committee of Trnava Self-Governing Region, 22/01/2015
Health condition(s) or problem(s) studiedOral antibiotic therapy
InterventionParticipants randomised to active or placebo group will take study products orally once daily for 30 days:
1. The active will contain Lab4 probiotic consortium (Lactobacillus acidophilus CUL60, Lactobacillus acidophilus CUL21, Bifidobacterium bifidum CUL20 and Bifidobacterium animalis subsp. lactis CUL34) at 2.5x10^10 CFU per day
2. The placebo control will be an identical looking tablet containing maltodextrin
Both interventions will be prepared by Cultech Ltd, Port Talbot, UK
Intervention typeSupplement
Primary outcome measure1. Changes in the composition and diversity of gut microbiota
2. Changes in metabonomic profiles. Stool and urine samples to be taken within 24 hours of first antibiotic dose, on the day of last antibiotic dose and on last day of active or placebo intervention dose at day 30
Secondary outcome measures1. Impact of probiotics on wellbeing (changes in bowel habits, blood pressure, etc)
2. Changes in composition and diversity of oral microbiota
3. Stool and saliva samples at baseline, completion of antibiotic course and upon completion of the probiotic or placebo intervention at day 30
Overall study start date03/11/2014
Completion date18/12/2015

Eligibility

Participant type(s)Patient
Age groupChild
Lower age limit3 Years
Upper age limit18 Years
SexBoth
Target number of participants78
Key inclusion criteria1. Children aged 3 to 18 years old of either sex with infections requiring treatment by one of the following classes of antibiotics: cephalosporins; clarithromycin and amoxicllins/clavulanic acids
2. Participants willing to provide saliva, urine and stool samples
3. Parents/guardians willing to give written informed consent and information on children's daily bowel habits
Key exclusion criteria1. Participants whose parents are unable/unwilling to give written formal consent
2. Participants not prepared to provide saliva, urine and stool samples
3. Participants who took antibiotics in the 4 weeks prior to enrolment
4. Participants sensitive to xylitol or sorbitol
Date of first enrolment09/03/2015
Date of final enrolment30/10/2015

Locations

Countries of recruitment

  • Slovakia

Study participating centre

Children's Health Centre Juvenalia Ltd
NsP, Velkoblahovska 23
Dunajska Streda
92901
Slovakia

Sponsor information

Cultech Ltd
Industry

Unit 2-3
Christchurch Road
Baglan Industrial Park
Port Talbot
SA12 7BZ
United Kingdom

Website http://www.cultech.co.uk
ROR logo "ROR" https://ror.org/00555bk04

Funders

Funder type

Not defined

Cultech Ltd (UK)

No information available

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot expected to be made available
Publication and dissemination planTo be confirmed at a later date.
IPD sharing plan