# MAS-1 Adjuvanted Compared to Unadjuvanted Influenza Vaccines in the Elderly

> **NCT01623232** · PHASE1,PHASE2 · WITHDRAWN · sponsor: **US Department of Veterans Affairs**

## Conditions studied

- Influenza Vaccines
- Aged

## Interventions

- **BIOLOGICAL:** MAS-1 adjuvant and influenza HA antigen
- **BIOLOGICAL:** standard dose, inactivated trivalent influenza vaccine (TIV)

## Key facts

- **NCT ID:** NCT01623232
- **Lead sponsor:** US Department of Veterans Affairs
- **Sponsor class:** FED
- **Phase:** PHASE1,PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2012-10
- **Primary completion:** 2013-11
- **Final completion:** 2014-06
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** FDA hold on the project
- **Last updated:** 2012-09-26

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01623232

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01623232, "MAS-1 Adjuvanted Compared to Unadjuvanted Influenza Vaccines in the Elderly". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT01623232. Licensed CC0.

---

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