# The Effects of Vitamin B-6 Status on Homocysteine, Oxidative Stress, One-carbon Metabolism and Methylation: Cross-section, Case-control, Intervention and Follow-up Studies in Colorectal Cancer

> **NCT01426490** · PHASE2,PHASE3 · UNKNOWN · sponsor: **Taichung Veterans General Hospital** · enrollment: 300 (estimated)

## Conditions studied

- Colorectal Cancer

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin C
- **DIETARY_SUPPLEMENT:** Vitamin B6
- **DIETARY_SUPPLEMENT:** Folic acid
- **DIETARY_SUPPLEMENT:** Vitamin B6 plus folic acid

## Key facts

- **NCT ID:** NCT01426490
- **Lead sponsor:** Taichung Veterans General Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2011-08
- **Primary completion:** 2015-07
- **Final completion:** 2015-07
- **Target enrollment:** 300 (ESTIMATED)
- **Last updated:** 2014-02-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01426490

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01426490, "The Effects of Vitamin B-6 Status on Homocysteine, Oxidative Stress, One-carbon Metabolism and Methylation: Cross-section, Case-control, Intervention and Follow-up Studies in Colorectal Cancer". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT01426490. Licensed CC0.

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