# C677T and A1298C MTHFR Polymorphisms and Fluoropyrimidine Effectiveness in Metastatic Colon Cancer

> **NCT03852290** · — · UNKNOWN · sponsor: **Universidad de Costa Rica** · enrollment: 65 (estimated)

## Conditions studied

- Colon Cancer
- MTHFR Gene Mutation
- Chemotherapeutic Toxicity
- Chemotherapy Effect

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03852290
- **Lead sponsor:** Universidad de Costa Rica
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-01-16
- **Primary completion:** 2021-10-01
- **Final completion:** 2021-10-01
- **Target enrollment:** 65 (ESTIMATED)
- **Last updated:** 2020-03-26

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03852290

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03852290, "C677T and A1298C MTHFR Polymorphisms and Fluoropyrimidine Effectiveness in Metastatic Colon Cancer". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT03852290. Licensed CC0.

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