# High Dose vs. Standard Influenza Vaccine in Adult SOT

> **NCT03139565** · PHASE3 · COMPLETED · sponsor: **University Health Network, Toronto** · enrollment: 172 (actual)

## Conditions studied

- Influenza
- Immunosuppression

## Interventions

- **BIOLOGICAL:** Fluzone High-dose Influenza Vaccine
- **BIOLOGICAL:** Standard 2016-2017 Flu vaccine

## Key facts

- **NCT ID:** NCT03139565
- **Lead sponsor:** University Health Network, Toronto
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2016-10
- **Primary completion:** 2017-06
- **Final completion:** 2020-07
- **Target enrollment:** 172 (ACTUAL)
- **Last updated:** 2020-10-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03139565

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03139565, "High Dose vs. Standard Influenza Vaccine in Adult SOT". Retrieved via AI Analytics 2026-05-31 from https://api.ai-analytics.org/clinical/NCT03139565. Licensed CC0.

---

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