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Sulforaphane as an adjunctive treatment for irritability in children with autism spectrum disorder: A randomized, double-blind, placebo-controlled clinical trial

Sara Momtazmanesh, Zeinab Amirimoghaddam-Yazdi, Hossein Sanjari Moghaddam, Mohammad Reza Mohammadi, Shahin Akhondzadeh
Psychiatry and Clinical Neurosciences 2020 74(7):398-405

Bibliography

PubMed
PMID 32347624
Funding
Funded by Tehran University of Medical Sciences and Health Services, grant 37048.
Competing interests
The authors declared no conflict of interest.

Study snapshot

DesignRandomized, double-blind, placebo-controlled adjunctive trial
ModelChildren aged 4-12 years with autism spectrum disorder
Sample60 randomized
InterventionRisperidone plus sulforaphane 50 µmol/day at ≤45 kg or 100 µmol/day at >45 kg versus risperidone plus placebo.
Duration10 weeks
EndpointsABC-C Irritability; Hyperactivity/Noncompliance; Lethargy/Social Interaction; Stereotypic Behavior; Inappropriate Speech; Adverse events

What the study showed, in plain terms

In children receiving risperidone, adjunctive sulforaphane improved irritability and hyperactivity/noncompliance more than placebo over 10 weeks, while several other behavioral subscales did not differ.

Key findings

The primary irritability outcome improved significantly, as did hyperactivity/noncompliance. Other ABC-C domains and adverse-event frequency did not significantly differ.

What this study can and cannot tell us

Sulforaphane was tested as an adjunct to risperidone, not as monotherapy; the trial was short and focused on specific behavioral subscales rather than core autism symptoms broadly.

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