Skip to main content
Research project


Project overview

This study is now complete, please see associated publications. The PRINCESS trial will assess the efficacy and mechanisms of a nutritional intervention (daily probiotics) to enhance immune function and reduce infection in care home residents. This is anticipated to reduce antibiotic prescribing for common infectious diseases in a high-risk population.


Lead researcher

Professor Philip Calder

Head of School
Other researchers

Professor Paul Little

Professor in Primary Care Research

Research outputs

Christopher C. Butler Butler,
Mandy Lau,
David Gillespie,
Eleri Owen-Jones,
Mandy Wootton,
Antony J. Bayer,
Jane Davies,
Alison Edwards,
Victoria Shepherd,
Kerenza Hood,
F. D. Richard Hobbs,
Mina Davoudianfar,
Heather Rutter,
Helen Stanton,
Rachel Lowe,
Richard Fuller,
, 2020 , JAMA , 324 (1) , 47--56
Type: article
to top