# Novel Earpiece for Transcutaneous Auricular Neurostimulation (tAN) for Symptoms of Opioid Withdrawal

> **NCT04731935** · NA · COMPLETED · sponsor: **Spark Biomedical, Inc.** · enrollment: 6 (actual)

## Conditions studied

- Opioid-use Disorder
- Opioid Withdrawal

## Interventions

- **DEVICE:** Sparrow Therapy System

## Key facts

- **NCT ID:** NCT04731935
- **Lead sponsor:** Spark Biomedical, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-03-18
- **Primary completion:** 2021-05-26
- **Final completion:** 2021-05-26
- **Target enrollment:** 6 (ACTUAL)
- **Last updated:** 2021-08-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04731935

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04731935, "Novel Earpiece for Transcutaneous Auricular Neurostimulation (tAN) for Symptoms of Opioid Withdrawal". Retrieved via MORVS 2026-10-21 from https://api.morvs.ai/clinical/NCT04731935. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*