# Fast-Acting Subperception Study (FAST)

> **NCT04231409** · NA · TERMINATED · sponsor: **Boston Scientific Corporation** · enrollment: 41 (actual)

## Conditions studied

- Chronic Pain

## Interventions

- **DEVICE:** Boston Scientific Spectra WaveWriter SCS System

## Key facts

- **NCT ID:** NCT04231409
- **Lead sponsor:** Boston Scientific Corporation
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2019-11-26
- **Primary completion:** 2020-10-01
- **Final completion:** 2020-10-01
- **Target enrollment:** 41 (ACTUAL)
- **Why stopped:** Study follow-up activities affected by COVID-19
- **Last updated:** 2022-01-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04231409

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04231409, "Fast-Acting Subperception Study (FAST)". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04231409. Licensed CC0.

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