Primary Prevention of Allergic Disease in Early Child by Lactobacillus Reuteri

NCT ID: NCT01285830

Last Updated: 2014-03-20

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

232 participants

Study Classification

INTERVENTIONAL

Study Start Date

2001-02-28

Study Completion Date

2010-05-31

Brief Summary

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An altered microbial exposure may be partly responsible for the increase of allergic diseases in populations with a western lifestyle. Activation of the immune system by microbes early in life is probably required for an accurate maturation of the immune system. Probiotics, live bacteria which are considered to confer health when ingested, have been suggested to prevent eczema and sensitisation infants.

The aim of this study is to assess the effect of oral supplementation with the probiotic bacterium Lactobacillus reuteri in infancy on the development of allergic disease and sensitisation during the first 2 years of life and to examine mechanisms possibly underlying eventual effects on allergic manifestations.

A follow up was performed at 7 years of age.

Detailed Description

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An altered microbial exposure may be partly responsible for the increase of allergic diseases in populations with a western lifestyle. Activation of the immune system by microbes early in life is probably required for an accurate maturation of the immune system. Probiotics, live bacteria which are considered to confer health when ingested, have been suggested to prevent eczema and sensitisation infants.

The aim of this study is to assess the effect of oral supplementation with the probiotic bacterium Lactobacillus reuteri (L. reuteri) in infancy on the development of allergic disease and sensitisation during the first 2 years of life and to examine mechanisms possibly underlying eventual effects on allergic manifestations. In the study the development of allergic disease will also be related prospectively to immunological, nutritional and environmental factors.

The study is a prospective double-blind placebo-controlled multicenter trial, comprising 232 families with allergic disease. The families are recruited at the antenatal clinic, and the mothers will receive L. reuteri ATCC 55730 (1 x 100 000 000 colony forming units, Biogaia AB, Stockholm, Sweden) or placebo daily from gestational week 36 until delivery. Their babies then will continue with the same study product from birth until 12 months of age and will be followed up for another year. Clinical follow-up will be done at 1, 3, 6,12 and 24 months of age and telephone interviews at 2,4,5, 8, 10 and 18 months. A questionnaire will be completed on each occasion. Skin prick test will be performed at 6, 12 and 24 months of age. Venous blood will be collected from the umbilical cord and at 6, 12 and 24 months and stored as heparinized plasma or serum until assessment. Peripheral mononuclear blood cells (PBMC) will be separated from the plasma samples before storage. Blood samples will also be collected from the mother and father once during the study. The stool sample will be collected from the mother during the 1 week after delivery and the infant at 5-7 days, 1 month, 3 months, 6 months, 12 months and 24 months of age. Saliva samples will be collected at 3, 6, 12 and 24 months of age and breast milk samples will be collected from the mother 1-3 days and 1 months after delivery. The saliva, breast milk and plasma/serum samples will be stored in -20°C and stool samples and the PBMC in -70°C until assessment.

A follow up was performed at 7 years of age focusing on allergic disease. Spirometry, skin prick test was performed. Of the 188 completing the 2 year follow up, 184 also completed the 7 year follow up.

Conditions

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Allergic Conditions

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Placebo

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DIETARY_SUPPLEMENT

The placebo consists of the same oil that the active study product but without any bacteria and is not possible to differentiate from the active product by smell, taste or visual appearance

Lactobacillus reuteri

Group Type ACTIVE_COMPARATOR

Lactobacillus reuteri

Intervention Type DIETARY_SUPPLEMENT

The mothers started taking Lactobacillus reuteri ATCC 55730 (BioGaia AB, Stockholm, Sweden) or placebo four weeks before term and continued to do so daily until delivery. After birth, the baby commenced with the same study product as the mother at 1-3 days of age and continued daily for one year. The daily intake, five oil droplets, corresponded to 1 x 100 000 000 colony forming units (CFU)

Interventions

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Lactobacillus reuteri

The mothers started taking Lactobacillus reuteri ATCC 55730 (BioGaia AB, Stockholm, Sweden) or placebo four weeks before term and continued to do so daily until delivery. After birth, the baby commenced with the same study product as the mother at 1-3 days of age and continued daily for one year. The daily intake, five oil droplets, corresponded to 1 x 100 000 000 colony forming units (CFU)

Intervention Type DIETARY_SUPPLEMENT

Placebo

The placebo consists of the same oil that the active study product but without any bacteria and is not possible to differentiate from the active product by smell, taste or visual appearance

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

* Pregnant women with history of previous or present allergic disease in at least one member of the immediate family (parents or siblings).
* Expected compliance.
* Written informed consent obtained from parents.

Exclusion Criteria

* Insufficient compliance, i.e. a consumption of the study product below half of the expected.
Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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BioGaia AB

INDUSTRY

Sponsor Role collaborator

The Ekhaga Foundation, Sweden

UNKNOWN

Sponsor Role collaborator

The Heart and Lung foundation, Sweden

UNKNOWN

Sponsor Role collaborator

The Research Council for the South-East Sweden

UNKNOWN

Sponsor Role collaborator

The Swedish Asthma and Allergy Association, Sweden

UNKNOWN

Sponsor Role collaborator

The Swedish Research Council

OTHER_GOV

Sponsor Role collaborator

University Hospital, Linkoeping

OTHER

Sponsor Role collaborator

Linkoeping University

OTHER_GOV

Sponsor Role lead

Responsible Party

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The National Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden

Principal Investigators

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Bengt Björkstén, MD, PhD

Role: PRINCIPAL_INVESTIGATOR

The National Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden

Locations

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Pediatric Clinic, Ryhov Hospital

Jönköping, , Sweden

Site Status

Pediatric Clinic, University Hospital

Linköping, , Sweden

Site Status

Pediatric Clinic, Vrinnevi Hospital

Norrköping, , Sweden

Site Status

Countries

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Sweden

References

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Abrahamsson TR, Jakobsson T, Bottcher MF, Fredrikson M, Jenmalm MC, Bjorksten B, Oldaeus G. Probiotics in prevention of IgE-associated eczema: a double-blind, randomized, placebo-controlled trial. J Allergy Clin Immunol. 2007 May;119(5):1174-80. doi: 10.1016/j.jaci.2007.01.007. Epub 2007 Mar 8.

Reference Type RESULT
PMID: 17349686 (View on PubMed)

Bottcher MF, Abrahamsson TR, Fredriksson M, Jakobsson T, Bjorksten B. Low breast milk TGF-beta2 is induced by Lactobacillus reuteri supplementation and associates with reduced risk of sensitization during infancy. Pediatr Allergy Immunol. 2008 Sep;19(6):497-504. doi: 10.1111/j.1399-3038.2007.00687.x. Epub 2008 Jan 22.

Reference Type RESULT
PMID: 18221472 (View on PubMed)

Abrahamsson TR, Sinkiewicz G, Jakobsson T, Fredrikson M, Bjorksten B. Probiotic lactobacilli in breast milk and infant stool in relation to oral intake during the first year of life. J Pediatr Gastroenterol Nutr. 2009 Sep;49(3):349-54. doi: 10.1097/MPG.0b013e31818f091b.

Reference Type RESULT
PMID: 19525871 (View on PubMed)

Connolly E, Abrahamsson T, Bjorksten B. Safety of D(-)-lactic acid producing bacteria in the human infant. J Pediatr Gastroenterol Nutr. 2005 Oct;41(4):489-92. doi: 10.1097/01.mpg.0000176179.81638.45. No abstract available.

Reference Type RESULT
PMID: 16205524 (View on PubMed)

Abrahamsson TR, Sandberg Abelius M, Forsberg A, Bjorksten B, Jenmalm MC. A Th1/Th2-associated chemokine imbalance during infancy in children developing eczema, wheeze and sensitization. Clin Exp Allergy. 2011 Dec;41(12):1729-39. doi: 10.1111/j.1365-2222.2011.03827.x. Epub 2011 Aug 1.

Reference Type RESULT
PMID: 21801246 (View on PubMed)

Abrahamsson TR, Jakobsson HE, Andersson AF, Bjorksten B, Engstrand L, Jenmalm MC. Low diversity of the gut microbiota in infants with atopic eczema. J Allergy Clin Immunol. 2012 Feb;129(2):434-40, 440.e1-2. doi: 10.1016/j.jaci.2011.10.025. Epub 2011 Dec 6.

Reference Type RESULT
PMID: 22153774 (View on PubMed)

Forsberg A, Abrahamsson TR, Bjorksten B, Jenmalm MC. Pre- and post-natal Lactobacillus reuteri supplementation decreases allergen responsiveness in infancy. Clin Exp Allergy. 2013 Apr;43(4):434-42. doi: 10.1111/cea.12082.

Reference Type RESULT
PMID: 23517039 (View on PubMed)

Jakobsson HE, Abrahamsson TR, Jenmalm MC, Harris K, Quince C, Jernberg C, Bjorksten B, Engstrand L, Andersson AF. Decreased gut microbiota diversity, delayed Bacteroidetes colonisation and reduced Th1 responses in infants delivered by caesarean section. Gut. 2014 Apr;63(4):559-66. doi: 10.1136/gutjnl-2012-303249. Epub 2013 Aug 7.

Reference Type RESULT
PMID: 23926244 (View on PubMed)

Abrahamsson TR, Jakobsson T, Bjorksten B, Oldaeus G, Jenmalm MC. No effect of probiotics on respiratory allergies: a seven-year follow-up of a randomized controlled trial in infancy. Pediatr Allergy Immunol. 2013 Sep;24(6):556-61. doi: 10.1111/pai.12104. Epub 2013 Jul 31.

Reference Type RESULT
PMID: 23902407 (View on PubMed)

Abrahamsson TR, Jakobsson HE, Andersson AF, Bjorksten B, Engstrand L, Jenmalm MC. Low gut microbiota diversity in early infancy precedes asthma at school age. Clin Exp Allergy. 2014 Jun;44(6):842-50. doi: 10.1111/cea.12253.

Reference Type RESULT
PMID: 24330256 (View on PubMed)

Forsberg A, Abrahamsson TR, Bjorksten B, Jenmalm MC. Pre- and postnatal administration of Lactobacillus reuteri decreases TLR2 responses in infants. Clin Transl Allergy. 2014 Jun 25;4:21. doi: 10.1186/2045-7022-4-21. eCollection 2014.

Reference Type DERIVED
PMID: 25002964 (View on PubMed)

Abrahamsson TR, Rautava S, Moore AM, Neu J, Sherman PM. The time for a confirmative necrotizing enterocolitis probiotics prevention trial in the extremely low birth weight infant in North America is now! J Pediatr. 2014 Aug;165(2):389-94. doi: 10.1016/j.jpeds.2014.05.012. Epub 2014 Jun 16. No abstract available.

Reference Type DERIVED
PMID: 24948349 (View on PubMed)

Other Identifiers

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F2000-106

Identifier Type: OTHER_GRANT

Identifier Source: secondary_id

BGB 99/02

Identifier Type: -

Identifier Source: org_study_id

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