# Contact Allergies to Dental Metal as a Possible Risk Factor for Oral Cancer

> **NCT00693550** · — · COMPLETED · sponsor: **Mayo Clinic** · enrollment: 115 (actual)

## Conditions studied

- Head and Neck Cancer

## Interventions

- **OTHER:** metal patch tests

## Key facts

- **NCT ID:** NCT00693550
- **Lead sponsor:** Mayo Clinic
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2000-08
- **Primary completion:** 2009-01
- **Final completion:** 2009-01
- **Target enrollment:** 115 (ACTUAL)
- **Last updated:** 2011-06-08

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00693550

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00693550, "Contact Allergies to Dental Metal as a Possible Risk Factor for Oral Cancer". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT00693550. Licensed CC0.

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