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. 2023 Oct 9;2023(10):CD011769. doi: 10.1002/14651858.CD011769.pub2

15. Experimental versus placebo: irritability results that could not be used in the meta‐analyses.

Study name Short‐/medium‐/long‐term outcomes Group 1 sample size Group 2 sample size Group 1 resultsMean (standard deviation) Group 2 resultsMean (standard deviation) Other data Notes
Arnold 2012a Short‐term mecamylamine (max 5 mg/day) 12 8 −3.17 (8.76) −5.0 (10.78) "No significant differences were found for age, weight, sex, diagnosis, IQ, or entry scores for the OACIS, RBS, ABC Irritability, ABC Hyperactivity, ABC Lethargy/ Social Withdrawal, ABC Inappropriate Speech, ADI‐R Qualitative Abnormalities in Reciprocal Social Interaction or ADI‐R Qualitative Abnormalities in Communication" Skewed
Hollander 2020a Short‐term Trichuris suis ova (a dose of 2500 Trichurissuis ova every 2 weeks) 10 10 −4.0 (18.5) −0.14 (6.32) P = 0.0687, 95% CI −4.82 to 91.32 Skewed
Minshawi 2016 Short‐term D‐cycloserine (50 mg once weekly) 34 33 −1.55 (6.11) −1.23 (6.09) "teacher‐rated ABC data was returned for 23.5 % of the DCS group, and 30.3 % of the placebo group with no significant difference noted for any of the ABC subscales (irritability p = 0.623, social withdrawal p = 0.845" Skewed
ABC: Aberrant Behaviour checklist; DCS: D‐cycloserine; OACIS: Ohio Autism Clinical Impressions Scale; RBS: Repetitive Behaviour Scale