# Natural Experiment: "Gentle Nudge" Intervention, Eliminating Phone Call Requirement

> **NCT03381885** · NA · COMPLETED · sponsor: **University of California, Los Angeles** · enrollment: 20000 (actual)

## Conditions studied

- Back Pain
- X-rays
- MRI
- CT Scan
- Clinical Decision Support Tool

## Interventions

- **BEHAVIORAL:** Gentle Nudge
- **BEHAVIORAL:** Usual Standard Procedure

## Key facts

- **NCT ID:** NCT03381885
- **Lead sponsor:** University of California, Los Angeles
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2015-02
- **Primary completion:** 2016-01
- **Final completion:** 2016-02
- **Target enrollment:** 20000 (ACTUAL)
- **Last updated:** 2017-12-22

## Collaborators

- [object Object]
- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03381885

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03381885, "Natural Experiment: "Gentle Nudge" Intervention, Eliminating Phone Call Requirement". Retrieved via AI Analytics 2026-07-09 from https://api.ai-analytics.org/clinical/NCT03381885. Licensed CC0.

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