One shot for two threats: new combo vaccine tested in seniors

NCT ID NCT06291857

Completed ⭐️ VACCINE ⭐️ Sponsor: Novavax Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This large, final-stage study tested a new combination vaccine that aims to protect against both COVID-19 and the flu with a single shot. About 9,300 adults aged 65 and older took part, receiving either the combo vaccine or a standard high-dose flu vaccine. Researchers checked how well the vaccines triggered an immune response and monitored safety over a year.

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Conditions

The condition(s) this trial relates to.

COVID-19 prevention target influenza prevention target

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

COVID-19

Contacts and locations

Locations

Aotearoa Clinical Trials Trust

Wellington, New Zealand
Australian Clinical Research Network

Maroubra, New South Wales, 2035, Australia
CliniTrials

Perth, Western Australia, 6000, Australia
Cmax - Ppds

Adelaide, South Australia, 5000, Australia
Doherty Clinical Trials Limited

Melbourne, Victoria, 3000, Australia
East Sydney Doctors

Darlinghurst, New South Wales, 2010, Australia
Emeritus Research - Sydney - PPDS

Botany, New South Wales, 2019, Australia
Emeritus Research -PPDS

Camberwell, Victoria, 3124, Australia
Genesis Research Services

Broadmeadow, New South Wales, 2292, Australia
Griffith University Clinical Trials Unit

Griffith, Queensland, 4222, Australia
Hunter Diabetes Centre

Merewether, New South Wales, 2291, Australia
Innovate Clinical Research Pty Ltd

Sydney, New South Wales, 2077, Australia
Institute for Respiratory Health - Midland

Midland, Western Australia, 6056, Australia
Key Health- Bondi Junction

Bondi Junction, New South Wales, 2022, Australia
Lakeland Clinical Trials - Waikato - PCRN-PPDS

Hamilton, 3243, New Zealand
Lakeland Clinical Trials - Wellington - PCRN - PPDS

Wellington, 5018, New Zealand
Mater Hospital Brisbane

South Brisbane, Queensland, 4101, Australia
Menzies School of Health Research

Casuarina, Northern Territory, 0810, Australia
Momentum Darlinghurst

Darlinghurst, New South Wales, 2010, Australia
Momentum Dunedin - PPDS

Dunedin, Otago, 9016, New Zealand
Momentum Hawke's Bay - PPDS

Hastings, Hawke's Bay Region, 4122, New Zealand
Momentum Kapiti - PPDS

Waikanae, 5036, New Zealand
Momentum Lower Hutt - PPDS

Lower Hutt, New Zealand
Momentum Palmerston North - PPDS

Palmerston North, 4414, New Zealand
Momentum Pukekohe - PPDS

Auckland, 2120, New Zealand
Momentum St Leonards

Sydney, New South Wales, 2065, Australia
Momentum Sunshine

Melbourne, Victoria, 3021, Australia
Momentum Taringa

Brisbane, Queensland, 4068, Australia
Momentum Tauranga - PPDS

Tauranga, Bay of Plenty, 3110, New Zealand
Momentum Wellers

Wellers Hill, Brisbane, 4121, Australia
Momentum Wellington - PPDS

Wellington, 6021, New Zealand
New Zealand Clinical Research - Christchurch - PPDS

Christchurch, 8011, New Zealand
Northern Beaches Clinical Research - PPDS

Brookvale, New South Wales, 2100, Australia
Northside Health

Coffs Harbour, New South Wales, 2450, Australia
Novatrials

Kotara, New South Wales, 2289, Australia
Nucleus Network Limited

Melbourne, Victoria, 3004, Australia
Nucleus Network Pty Ltd

Herston, Queensland, 4006, Australia
Optimal Clinical Trials Ltd - North Shore - PPDS

Auckland, 0632, New Zealand
Optimal Clinical Trials Ltd - PPDS

Auckland, 1010, New Zealand
Oztrials Clinical Research

Drummoyne, New South Wales, 2047, Australia
Pacific Clinic Research Network - Rotorua - PCRN - PPDS

Rotorua, 3010, New Zealand
Pacific Clinical Research Network - Auckland - PCRN - PPDS

Auckland, 0622, New Zealand
Pacific Clinical Research Network - Christchurch - PCRN - PPDS

Christchurch, 8013, New Zealand
Paratus Clinical Research - Brisbane Clinic - PPDS

Herston, Queensland, 4006, Australia
Paratus Clinical Research - Canberra - PPDS

Bruce, Australian Capital Territory, 2617, Australia
Paratus Clinical Research - Central Coast - PPDS

Kanwal, New South Wales, 2259, Australia
Paratus Clinical Research - Western Sydney - PPDS

Blacktown, New South Wales, 2148, Australia
Pioneer Clinical Research - North Sydney

North Sydney, New South Wales, 2060, Australia
Ryrie St, Geelong, VIC 3220, Australia

Geelong, Victoria, 3220, Australia
Southern Clinical Trials - Tasman - PCRN - PPDS

Nelson, 7011, New Zealand
Southern Clinical Trials - Totara - PCRN - PPDS

Auckland, 0600, New Zealand
Sutherland Shire Clinical Research - PPDS

Miranda, New South Wales, 2228, Australia
Taylor Square Private Clinic

Surry Hills, New South Wales, 2010, Australia
Telethon Kids Institute

Nedlands, Western Australia, 6009, Australia
University of Melbourne - Melbourne

Melbourne N., Victoria, 3051, Australia
University of the Sunshine Coast, Vitality Village - UniSC Clinical Trials - PPDS

Birtinya, Queensland, 4575, Australia
Veritus Research - Emeritus - PPDS

Bayswater, Victoria, 3153, Australia
Wollongong Clinical Research - PPDS

Wollongong, New South Wales, 2500, Australia

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