# Efficacy Study of Subcutaneous Methyl-B12 in Children With Autism

> **NCT00273650** · PHASE2,PHASE3 · COMPLETED · sponsor: **University of California, San Francisco** · enrollment: 30 (actual)

## Conditions studied

- Autistic Disorder

## Interventions

- **DRUG:** methylcobalamin
- **OTHER:** saline placebo

## Key facts

- **NCT ID:** NCT00273650
- **Lead sponsor:** University of California, San Francisco
- **Sponsor class:** OTHER
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2005-07
- **Primary completion:** 2009-06
- **Final completion:** 2009-08
- **Target enrollment:** 30 (ACTUAL)
- **Last updated:** 2019-10-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00273650

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00273650, "Efficacy Study of Subcutaneous Methyl-B12 in Children With Autism". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT00273650. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*