# A Retrospective, Observational Registry of Participants With Avian Influenza Infection

> **NCT02743676** · — · COMPLETED · sponsor: **Hoffmann-La Roche** · enrollment: 648 (actual)

## Conditions studied

- Influenza

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT02743676
- **Lead sponsor:** Hoffmann-La Roche
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2007-01
- **Primary completion:** 2012-03
- **Final completion:** 2012-03
- **Target enrollment:** 648 (ACTUAL)
- **Last updated:** 2016-04-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02743676

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02743676, "A Retrospective, Observational Registry of Participants With Avian Influenza Infection". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT02743676. Licensed CC0.

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