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.
Studienübersicht
Status
Status
Bedingungen
Bedingungen
Intervention / Behandlung
Intervention / Behandlung
Studientyp
Studientyp
Einschreibung (Geschätzt)
Einschreibung
Phase
Phase
- Unzutreffend
Kontakte und Standorte
Studienkontakt
Studienkontakt
- Name: Sanna H Nystrom, PhD
- Telefonnummer: +46761483866
- E-Mail: sny@biogaia.se
Studieren Sie die Kontaktsicherung
- Name: Anna Pauter, PhD
- Telefonnummer: +46 76 328 04 77
- E-Mail: anp@biogaia.se
Studienorte
-
-
Maipú
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Mendoza, Maipú, Argentinien, M5515DUF
- Sanatorio Maipú
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Kontakt:
- Romina L Squartini, MD
- Telefonnummer: +54 261 7539084
- E-Mail: lrsquartini@gmail.com
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Kontakt:
- Eugenia Yañez
- Telefonnummer: +54 261 6594152
- E-Mail: eyanezic@gmail.com
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Hauptermittler:
- Romina L Squartini, MD
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-
Teilnahmekriterien
Zulassungskriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Beschreibung
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.
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Hauptzweck: Behandlung
- Zuteilung: Zufällig
- Interventionsmodell: Parallele Zuordnung
- Maskierung: Vervierfachen
Anzahl der Arme
Waffen und Interventionen
Teilnehmergruppe / ArmTeilnehmergruppe / Arm |
Intervention / BehandlungIntervention / Behandlung |
|---|---|
|
Experimental: 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. |
Was misst die Studie?
Primäre Ergebnismessungen
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
|
Changes in Social Responsiveness Scale-2 (SRS-2) score
Zeitfenster: 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)
|
Sekundäre Ergebnismessungen
Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
|
Change in Autism Diagnostic Observation Schedule, 2nd Ed (ADOS-2) Calibrated Severity Score (CSS) for Social Affect
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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 Ergebnismessungen
Andere Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
|
Change in Family Quality of Life
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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)
|
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Changes in gut microbiota structure and composition
Zeitfenster: 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
|
Mitarbeiter und Ermittler
Sponsor
Sponsor
Ermittler
Ermittler
- Hauptermittler: Romina L Squartini, MD, Sanatorio Maipú
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn (Geschätzt)
Studienbeginn
Primärer Abschluss (Geschätzt)
Primärer Abschluss
Studienabschluss (Geschätzt)
Studienabschluss
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Tatsächlich)
Zuerst gepostet
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Tatsächlich)
Letztes Update gepostet
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Zusätzliche relevante MeSH-Bedingungen
Andere Studien-ID-Nummern
Andere Studien-ID-Nummern
- CSUB0223
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Arzneimittel- und Geräteinformationen, Studienunterlagen
Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt
Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt
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