Geneva, April 20 -- International Clinical Trials Registry received information related to the study (ChiCTR2600122145) titled 'Multicenter Randomized Double-Blind Controlled Study of Leucovorin Calcium in the Treatment of Autism Spectrum Disorder' on April 9.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Maternity and Children Health Care Hospital of Luohu District

Condition: Autism Spectrum Disorder

Intervention: Placebo group:The patients were given placebos in addition to their regular rehabilitation treatment. Leucovorin Calcium low dose:On the basis of routine rehabilitation for enrolled patients, leucovorin calcium will be administered at 0.5 mg/kg/day, divided into two doses given in the morning ...