# Effect of the Interferon Alpha Citizen by Sub-Lingual Way on the Humoral Immunizing Answer

> **NCT00647465** · PHASE3 · TERMINATED · sponsor: **Assistance Publique - Hôpitaux de Paris** · enrollment: 140 (actual)

## Conditions studied

- Influenza Infection

## Interventions

- **DRUG:** vaccine
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00647465
- **Lead sponsor:** Assistance Publique - Hôpitaux de Paris
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2005-10
- **Primary completion:** 2006-05
- **Final completion:** 2008-03
- **Target enrollment:** 140 (ACTUAL)
- **Why stopped:** End of the study
- **Last updated:** 2008-03-31

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00647465

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00647465, "Effect of the Interferon Alpha Citizen by Sub-Lingual Way on the Humoral Immunizing Answer". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT00647465. Licensed CC0.

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