# Zinc to Treat Tinnitus in the Elderly

> **NCT00683644** · PHASE2 · COMPLETED · sponsor: **University of Iowa** · enrollment: 116 (actual)

## Conditions studied

- Tinnitus

## Interventions

- **DRUG:** Zinc
- **DRUG:** Placebo oral capsule

## Key facts

- **NCT ID:** NCT00683644
- **Lead sponsor:** University of Iowa
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-01
- **Primary completion:** 2011-12
- **Final completion:** 2011-12
- **Target enrollment:** 116 (ACTUAL)
- **Last updated:** 2017-12-13

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00683644

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00683644, "Zinc to Treat Tinnitus in the Elderly". Retrieved via AI Analytics 2026-08-03 from https://api.ai-analytics.org/clinical/NCT00683644. Licensed CC0.

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