# Apple Hearing Study

> **NCT04172766** · — · ACTIVE_NOT_RECRUITING · sponsor: **Apple Inc.** · enrollment: 300000 (estimated)

## Conditions studied

- Hearing Loss, Noise-Induced
- Hearing Loss
- Tinnitus

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04172766
- **Lead sponsor:** Apple Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2019-11-14
- **Primary completion:** 2029-08-31
- **Final completion:** 2029-12
- **Target enrollment:** 300000 (ESTIMATED)
- **Last updated:** 2026-03-19

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04172766

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04172766, "Apple Hearing Study". Retrieved via AI Analytics 2026-07-27 from https://api.ai-analytics.org/clinical/NCT04172766. Licensed CC0.

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