# Sanofi: Observational study started recruiting, 670 planned (Influenza Immunization, Healthy Volunteers)

**Score:** 65/100

| Field | Value |
|---|---|
| Sponsor | Sanofi |
| Sponsor type | Industry (pharma, biotech, medtech) |
| Study | Post-marketing Surveillance Study for the Safety of Efluelda® Pre-filled Syringe |
| NCT ID | NCT07282795 |
| Phase | Observational |
| Status | recruiting |
| Conditions | Influenza Immunization; Healthy Volunteers |
| Intervention types | biological |
| Target enrollment | 670 |
| Site countries | South Korea |
| Posted | 2025-12-15 |
| Planned start | 2026-09-17 |
| Event | Started recruiting |
| Event date | 2026-09-17 |
| Last update posted | 2026-10-20 |

## Why this score
- Industry sponsor (buys outsourced services).
- Just started recruiting: sites, recruitment and supply are active.
- 670 participants planned.

Source: ClinicalTrials.gov (U.S. National Library of Medicine) API v2 (https://clinicaltrials.gov/study/NCT07282795). Last refreshed: 2026-11-04T06:04:38.232Z.
From public ClinicalTrials.gov registrations. Sponsor and study level only: we never list investigators, contacts or participants. A registration describes a planned study and can change. Status changes are read from each study's current status, actual dates and latest posted update, not a full change history, so an update can be a correction rather than a new change. Verify on ClinicalTrials.gov.