Effect of Limosilactobacillus Reuteri on Social Deficits in Children With Autistic Spectrum Disorder
Effect of Limosilactobacillus Reuteri on Social Deficits in Children With Autistic Spectrum Disorder: a Double-blind, Randomized, Placebo-controlled, Parallel-group Clinical Study
This is a double-blind, randomized, placebo-controlled, parallel-group study in children with Autism Spectrum Disorder (ASD) to evaluate the effect of a probiotic product on the ASD symptoms.
Studie Overzicht
Toestand
Toestand
Conditie
Conditie
Interventie / Behandeling
Interventie / Behandeling
Studietype
Studietype
Inschrijving (Geschat)
Inschrijving
Fase
Fase
- Niet toepasbaar
Contacten en locaties
Studiecontact
Studiecontact
- Naam: Sanna H Nystrom, PhD
- Telefoonnummer: +46761483866
- E-mail: sny@biogaia.se
Studie Contact Back-up
- Naam: Anna Pauter, PhD
- Telefoonnummer: +46 76 328 04 77
- E-mail: anp@biogaia.se
Studie Locaties
-
-
Maipú
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Mendoza, Maipú, Argentinië, M5515DUF
- Sanatorio Maipú
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Contact:
- Romina L Squartini, MD
- Telefoonnummer: +54 261 7539084
- E-mail: lrsquartini@gmail.com
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Contact:
- Eugenia Yañez
- Telefoonnummer: +54 261 6594152
- E-mail: eyanezic@gmail.com
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Hoofdonderzoeker:
- Romina L Squartini, MD
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-
Deelname Criteria
Geschiktheidscriteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Inclusion Criteria:
- Boys or girls aged between 4 to 12 years at screening.
- ASD diagnosis confirmed by a qualified clinician according to DMS-5 criteria, M-CHAT used as a screening tool.
- Parents/caregivers/legal guardians are ≥18 years.
- Readiness and the opportunity for parents/caregivers/legal guardians to fill out a study diary, questionnaires, and report regularly during the intervention period.
- Parents/caregivers/legal guardians with ability to understand and comply with the requirements of the study, as judged by the Investigator.
- Parents/caregivers/legal guardians willing and able to give informed consent for their and their child's participation in the study.
Exclusion Criteria:
- Neurological syndromes that could explain autism disorders.
- Organic gastrointestinal disorders (e.g. IBD, peptic ulcers and cancer). Celiac disease is accepted
- Any other severe clinically relevant disease or disorder which may affect the participation in the study, based on the investigator's judgement.
- Allergy or intolerance to one of the excipients of the probiotic product.
- Children with reported exposure to probiotic supplements in the 15 days prior to Screening Visit (V1).
- Children with reported exposure to oral and/or systemic antibiotics in the 7 days prior to Screening Visit (V1).
- Children with reported exposure to proton pump inhibitors in the 7 days prior to Screening Visit (V1).
- Participation in other interventional clinical study.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Verviervoudigen
Aantal wapens
Wapens en interventies
Deelnemersgroep / ArmDeelnemersgroep / Arm |
Interventie / BehandelingInterventie / Behandeling |
|---|---|
|
Experimenteel: Probiotics
Probiotic oil drops formulation. Administered once daily. |
Combination of L. reuteri strains. |
|
Placebo-vergelijker: Placebo
Placebo oil drops formulation. Administered once daily. |
Placebo identical to the active product, except the addition of probiotics. |
Wat meet het onderzoek?
Primaire uitkomstmaten
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Changes in Social Responsiveness Scale-2 (SRS-2) score
Tijdsspanne: From baseline to end of study (6 months)
|
Changes in the SRS-2 score in the L. reuteri group compared to the placebo group. The SRS-2 is a 65-item questionnaire, with higher scores indicating greater social impairment and severity of autism-related traits. |
From baseline to end of study (6 months)
|
Secundaire uitkomstmaten
Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Change in Autism Diagnostic Observation Schedule, 2nd Ed (ADOS-2) Calibrated Severity Score (CSS) for Social Affect
Tijdsspanne: From baseline to end of study (6 months)
|
Change in ADOS-2 CSS for Social Affect in the L. reuteri group compared to the placebo group. ADOS-2 is a semi-structured, standardized assessment that observes social interaction, communication, play, and restricted or repetitive behaviors across five modules tailored to age and language level. Higher scores indicate a higher level of autism-related behaviors. |
From baseline to end of study (6 months)
|
|
Change in total Autism Diagnostic Observation Schedule, 2nd Ed (ADOS-2) score
Tijdsspanne: From baseline to end of study (6 months)
|
Change in total ADOS-2 score in the L. reuteri group compared to the placebo group. ADOS-2 is a semi-structured, standardized assessment that observes social interaction, communication, play, and restricted or repetitive behaviors across five modules tailored to age and language level. Higher scores indicate a higher level of autism-related behaviors. |
From baseline to end of study (6 months)
|
|
Change in GI symptoms
Tijdsspanne: From baseline to end fo study (6 months)
|
Change in GI symptoms, assessed by the 6 item Gastrointestinal Severity Index (6-GSI) in the L. reuteri group compared to the placebo group. 6-GSI is a six item questionnaire with total score 0-12 with higher scores indicating worse outcome. |
From baseline to end fo study (6 months)
|
|
Change in ABAS-2 score
Tijdsspanne: From baseline to end fo study (6 months)
|
Change in adaptive behaviour, assessed by the Adaptive Behavior Assessment System, Second Edition (ABAS-2) in the L. reuteri group compared to the placebo group. ABAS-2 is a 4-point rating scale with the scoring system divided into skill area scores (range 1 to 19), domain scores (range 40 to 160) and general adaptive composite (40 to 150). A higher score indicates a better outcome. |
From baseline to end fo study (6 months)
|
|
Proportion of responders
Tijdsspanne: At 6 months
|
Proportion of responders at 6 months, evaluating all assessments and questionnaires, in the L. reuteri group compared to the placebo group. |
At 6 months
|
Andere uitkomstmaten
Andere uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Change in Family Quality of Life
Tijdsspanne: From baseline to end fo study (6 months)
|
Change in family Quality of Life (QoL), assessed by the Pediatric Quality of Life Inventory™ Family Impact Module (PedsQL™ Family Impact Module), in the L. reuteri group compared to the placebo group. The range of the total score is 0-100 with a higher score indicating a better outcome. |
From baseline to end fo study (6 months)
|
|
Change in quality of sleep
Tijdsspanne: From baseline to end of study (6 months)
|
Change in sleep quality, assessed by the Children's Sleep Habits Questionnaire, in the L. reuteri group compared to placebo. The CSHQ is scored on 33 of 52 items, using a 1-3 scale, with total score range 33-99. A higher score indicates worse outcome and the cut-off of a total score of 41 or higher indicating potential sleep problems. |
From baseline to end of study (6 months)
|
|
Impact of dietary habits
Tijdsspanne: At baseline and end of study (6 months)
|
Impact of dietary habits, assessed by a Food Frequency Questionnaire (FFQ), on the gut microbiota profile and effect of the L. reuteri intervention. |
At baseline and end of study (6 months)
|
|
Changes in gut microbiota structure and composition
Tijdsspanne: Baseline, 3 and 6 months
|
Changes in the gut microbiota structure and composition and the effect of the L. reuteri intervention, assessed by metagenomic analysis of fecal samples |
Baseline, 3 and 6 months
|
Medewerkers en onderzoekers
Sponsor
Sponsor
Onderzoekers
Onderzoekers
- Hoofdonderzoeker: Romina L Squartini, MD, Sanatorio Maipú
Studie record data
Bestudeer belangrijke data
Studie start (Geschat)
Studie start
Primaire voltooiing (Geschat)
Primaire voltooiing
Studie voltooiing (Geschat)
Studie voltooiing
Studieregistratiedata
Eerst ingediend
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Eerst geplaatst
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update geplaatst
Laatste update ingediend die voldeed aan QC-criteria
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
Andere studie-ID-nummers
- CSUB0223
Plan Individuele Deelnemersgegevens (IPD)
Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?
Informatie over medicijnen en apparaten, studiedocumenten
Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel
Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct
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