# Intrahospital Influenza Vaccination in Patients at High Cardiovascular Risk (VACC-UP)

> **NCT07721649** · NA · NOT_YET_RECRUITING · sponsor: **Stephan Baldus** · enrollment: 482 (estimated)

## Conditions studied

- Acute Coronary Syndrome
- Heart Failure
- Influenza, Human
- Cardiovascular Diseases
- Vaccination Refusal

## Interventions

- **BIOLOGICAL:** Intrahospital seasonal influenza vaccination offer
- **BEHAVIORAL:** Standardized active influenza vaccination counseling
- **BEHAVIORAL:** Standard of care discharge recommendation for ambulatory vaccination

## Key facts

- **NCT ID:** NCT07721649
- **Lead sponsor:** Stephan Baldus
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-09
- **Primary completion:** 2028-03
- **Final completion:** 2029-06
- **Target enrollment:** 482 (ESTIMATED)
- **Last updated:** 2026-07-23

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07721649

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07721649, "Intrahospital Influenza Vaccination in Patients at High Cardiovascular Risk (VACC-UP)". Retrieved via MORVS 2026-10-21 from https://api.morvs.ai/clinical/NCT07721649. Licensed CC0.

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