# Metformin in Children With Fragile X Syndrome

> **NCT05120505** · PHASE4 · RECRUITING · sponsor: **Children's Hospital of Fudan University** · enrollment: 20 (estimated)

## Conditions studied

- Fragile X Syndrome
- Metformin

## Interventions

- **DRUG:** Metformin
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT05120505
- **Lead sponsor:** Children's Hospital of Fudan University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2021-12-29
- **Primary completion:** 2025-12-30
- **Final completion:** 2025-12-30
- **Target enrollment:** 20 (ESTIMATED)
- **Last updated:** 2025-02-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05120505

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05120505, "Metformin in Children With Fragile X Syndrome". Retrieved via AI Analytics 2026-07-19 from https://api.ai-analytics.org/clinical/NCT05120505. Licensed CC0.

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