# CLUSTER Trial for Outbreak Detection and Response

> **NCT04053075** · NA · COMPLETED · sponsor: **Harvard Pilgrim Health Care** · enrollment: 2905455 (actual)

## Conditions studied

- Cluster Detection

## Interventions

- **OTHER:** Routine cluster detection
- **OTHER:** Enhanced cluster detection

## Key facts

- **NCT ID:** NCT04053075
- **Lead sponsor:** Harvard Pilgrim Health Care
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-07-23
- **Primary completion:** 2024-05-20
- **Final completion:** 2024-05-20
- **Target enrollment:** 2905455 (ACTUAL)
- **Last updated:** 2025-01-16

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04053075

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04053075, "CLUSTER Trial for Outbreak Detection and Response". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT04053075. Licensed CC0.

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