Clinical and genomic characterisation of adenoid cystic carcinoma of the head and neck, lung, and breast

Emily Heathcote, Karan Patel, Samuel Rack, Clare Hodgson, Hitesh Mistry, Guy Betts, Paul Bishop, Rachel Hall, Anne Armstrong, Kevin J Harrington, Robert Metcalf

Research output: Contribution to journalMeeting Abstract

Abstract

Lay abstract: In this presentation we reported a study on 450 ACC patients in the UK to understand the disease better. We collected clinical and genomic data from the patients and analyzed their outcomes. The majority of ACC cases (44.7%) originated from the major salivary glands, followed by other sites like sinonasal (22.0%), upper aerodigestive (15.3%), and tracheobronchial (10.2%). Recurrent or metastatic disease was confirmed in 69.8% of patients. The median time to first confirmed recurrence (TTFR) was 4.5 years, and the median overall survival from recurrence (OS-rec) was 4.8 years. Major salivary ACC had the longest TTFR (5.8 years), while tracheobronchial and sinonasal ACC had significantly shorter TTFR. Breast ACC had a similar overall survival from diagnosis (OS-diag) compared to major salivary ACC but showed increased TTFR and shorter OS-rec. This study suggests the need for different follow-up protocols and systemic therapy strategies may be needed for ACC of different primary sites.In this presentation we reported a study on 450 ACC patients in the UK to understand the disease better. We collected clinical and genomic data from the patients and analyzed their outcomes. The majority of ACC cases (44.7%) originated from the major salivary glands, followed by other sites like sinonasal (22.0%), upper aerodigestive (15.3%), and tracheobronchial (10.2%). Recurrent or metastatic disease was confirmed in 69.8% of patients. The median time to first confirmed recurrence (TTFR) was 4.5 years, and the median overall survival from recurrence (OS-rec) was 4.8 years. Major salivary ACC had the longest TTFR (5.8 years), while tracheobronchial and sinonasal ACC had significantly shorter TTFR. Breast ACC had a similar overall survival from diagnosis (OS-diag) compared to major salivary ACC but showed increased TTFR and shorter OS-rec. This study suggests the need for different follow-up protocols and systemic therapy strategies may be needed for ACC of different primary sites.
Original languageEnglish
Article numberabst 6094
JournalJournal of Clinical Oncology
Publication statusPublished - Jun 2023

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