# Improving Prescription Drug Warning Labels

> **NCT00846209** · PHASE4 · COMPLETED · sponsor: **Northwestern University** · enrollment: 500 (actual)

## Conditions studied

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## Interventions

- **OTHER:** Enhanced drug labeling

## Key facts

- **NCT ID:** NCT00846209
- **Lead sponsor:** Northwestern University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-06
- **Primary completion:** 2008-08
- **Final completion:** 2009-02
- **Target enrollment:** 500 (ACTUAL)
- **Last updated:** 2023-11-14

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00846209

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00846209, "Improving Prescription Drug Warning Labels". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT00846209. Licensed CC0.

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