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.
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Undersøgelsestype
Undersøgelsestype
Tilmelding (Anslået)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiekontakt
Studiekontakt
- Navn: Sanna H Nystrom, PhD
- Telefonnummer: +46761483866
- E-mail: sny@biogaia.se
Undersøgelse Kontakt Backup
- Navn: Anna Pauter, PhD
- Telefonnummer: +46 76 328 04 77
- E-mail: anp@biogaia.se
Studiesteder
-
-
Maipú
-
Mendoza, Maipú, Argentina, M5515DUF
- Sanatorio Maipú
-
Kontakt:
- Romina L Squartini, MD
- Telefonnummer: +54 261 7539084
- E-mail: lrsquartini@gmail.com
-
Kontakt:
- Eugenia Yañez
- Telefonnummer: +54 261 6594152
- E-mail: eyanezic@gmail.com
-
Ledende efterforsker:
- Romina L Squartini, MD
-
-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
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.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Firedobbelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: Probiotics
Probiotic oil drops formulation. Administered once daily. |
Combination of L. reuteri strains. |
|
Placebo komparator: Placebo
Placebo oil drops formulation. Administered once daily. |
Placebo identical to the active product, except the addition of probiotics. |
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Changes in Social Responsiveness Scale-2 (SRS-2) score
Tidsramme: 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)
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Change in Autism Diagnostic Observation Schedule, 2nd Ed (ADOS-2) Calibrated Severity Score (CSS) for Social Affect
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
|
Andre resultatmål
Andre resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Change in Family Quality of Life
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Ledende efterforsker: Romina L Squartini, MD, Sanatorio Maipú
Datoer for undersøgelser
Studer store datoer
Studiestart (Anslået)
Studiestart
Primær færdiggørelse (Anslået)
Primær færdiggørelse
Studieafslutning (Anslået)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- CSUB0223
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
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