# Comparison of the Two Validated German Versions of the "Tinnitus Functional Index" for Switzerland and for Germany

> **NCT03638986** · — · COMPLETED · sponsor: **University of Zurich** · enrollment: 255 (actual)

## Conditions studied

- Tinnitus, Subjective

## Interventions

- **OTHER:** No intervention planned

## Key facts

- **NCT ID:** NCT03638986
- **Lead sponsor:** University of Zurich
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2018-11-01
- **Primary completion:** 2020-08-01
- **Final completion:** 2020-08-01
- **Target enrollment:** 255 (ACTUAL)
- **Last updated:** 2020-11-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03638986

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03638986, "Comparison of the Two Validated German Versions of the "Tinnitus Functional Index" for Switzerland and for Germany". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT03638986. Licensed CC0.

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