COVID-19 Infection despite Previous Vaccination in Cancer Patients and Healthcare Workers: Results from a French Prospective Multicenter Cohort (PAPESCO-19).

Fiche publication


Date publication

septembre 2023

Journal

Cancers

Auteurs

Membres identifiés du Cancéropôle Est :
Pr CONROY Thierry, Dr LAMBERT Aurélien


Tous les auteurs :
Seegers V, Rousseau G, Zhou K, Blanc-Lapierre A, Bigot F, Mahammedi H, Lambert A, Moreau-Bachelard C, Campone M, Conroy T, Penault-Llorca F, Bellanger MM, Raoul JL

Résumé

In a multicenter prospective cohort of cancer patients (CP; n = 840) and healthcare workers (HCWs; n = 935) vaccinated against COVID-19, we noticed the following: i/after vaccination, 4.4% of HCWs and 5.8% of CP were infected; ii/no characteristic was associated with post-vaccine COVID-19 infections among HCWs; iii/CP who developed infections were younger, more frequently women (NS), more frequently had gastrointestinal, gynecological, or breast cancer and a localized cancer stage; iv/CP vaccinated while receiving chemotherapy or targeted therapy had (NS) more breakthrough infections after vaccination than those vaccinated after these treatments; the opposite was noted with radiotherapy, immunotherapy, or hormonotherapy; v/most COVID-19 infections occurred either during the Alpha wave (11/41 HCW, 20/49 CP), early after the first vaccination campaign started, or during the Omicron wave (21/41 HCW, 20/49 CP), more than 3 months after the second dose; vi/risk of infection was not associated with values of antibody titers; vii/the outcome of these COVID-19 infections after vaccination was not severe in all cases. To conclude, around 5% of our CPs or HCWs developed a COVID-19 infection despite previous vaccination. The outcome of these infections was not severe.

Mots clés

COVID-19 vaccine, France, breakthrough infections, cancer patients, healthcare workers

Référence

Cancers (Basel). 2023 09 28;15(19):