# HD vs SD Quadrivalent Influenza Vaccine in Adults Aged 65 to 79 Years in Galicia

> **NCT06141655** · PHASE4 · COMPLETED · sponsor: **Federico Martinón Torres** · enrollment: 134476 (actual)

## Conditions studied

- Influenza

## Interventions

- **DRUG:** Influenza vaccine

## Key facts

- **NCT ID:** NCT06141655
- **Lead sponsor:** Federico Martinón Torres
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2023-10-26
- **Primary completion:** 2025-05-31
- **Final completion:** 2025-05-31
- **Target enrollment:** 134476 (ACTUAL)
- **Last updated:** 2025-08-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06141655

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06141655, "HD vs SD Quadrivalent Influenza Vaccine in Adults Aged 65 to 79 Years in Galicia". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT06141655. Licensed CC0.

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