Breast cancer biomarkers in clinical testing: analysis of a UK national external quality assessment scheme for immunocytochemistry and in situ hybridisation database containing results from 199 300 patients
We describe a collated data set of results from clinical testing of breast cancers carried out between 2009 and 2016 in the United Kingdom and Republic of Ireland. More than 199 000 patient biomarker data sets, together with clinicopathological parameters were collected. Our analyses focused on huma...
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Published in | The journal of pathology. Clinical research Vol. 4; no. 4; pp. 262 - 273 |
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Main Authors | , , , , , , |
Format | Journal Article |
Language | English |
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Hoboken, USA
John Wiley & Sons, Inc
01.10.2018
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Abstract | We describe a collated data set of results from clinical testing of breast cancers carried out between 2009 and 2016 in the United Kingdom and Republic of Ireland. More than 199 000 patient biomarker data sets, together with clinicopathological parameters were collected. Our analyses focused on human epidermal growth factor receptor‐2 (HER2), oestrogen receptor (ER) and progesterone receptor (PR), with the aim of the study being to provide robust confirmatory evidence on known associations in these biomarkers and to uncover new data on previously undescribed or unconfirmed associations, thus strengthening the evidence‐base in clinical breast cancer testing. Overall, 13.1% of tumours were HER2‐positive; 10.6% in ER‐positive tumours, and 25.5% in ER‐negative tumours. Higher rates of HER2 positivity were significantly associated with patient age <56 years versus age ≥56 years, symptomatic versus screen‐detected tumours, testing of involved axillary node versus primary breast cancer, invasive ductal carcinoma (not otherwise specified) versus other histological types, higher histological grade, increasing tumour size, increasing nodal involvement, ER‐negative versus ER‐positive tumour status, PR‐negative versus PR‐positive tumour status. Where ER status was known, 82.7% of tumours were ER‐positive; 80.9% in women age <56 years, and 83.6% in those age ≥56 years (ER‐positive cut‐off ≥1.0% positive tumour cells or equivalent). Where PR status was known, 64.9% of tumours were PR‐positive; 65.8% in women age <56 years, and 64.4% in women age ≥56 years (PR‐positive cut off ≥10.0% or equivalent). These analyses of clinical test results provide contemporary benchmarking data for HER2, ER and PR positive rates. |
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AbstractList | We describe a collated data set of results from clinical testing of breast cancers carried out between 2009 and 2016 in the United Kingdom and Republic of Ireland. More than 199 000 patient biomarker data sets, together with clinicopathological parameters were collected. Our analyses focused on human epidermal growth factor receptor‐2 (HER2), oestrogen receptor (ER) and progesterone receptor (PR), with the aim of the study being to provide robust confirmatory evidence on known associations in these biomarkers and to uncover new data on previously undescribed or unconfirmed associations, thus strengthening the evidence‐base in clinical breast cancer testing. Overall, 13.1% of tumours were HER2‐positive; 10.6% in ER‐positive tumours, and 25.5% in ER‐negative tumours. Higher rates of HER2 positivity were significantly associated with patient age <56 years versus age ≥56 years, symptomatic versus screen‐detected tumours, testing of involved axillary node versus primary breast cancer, invasive ductal carcinoma (not otherwise specified) versus other histological types, higher histological grade, increasing tumour size, increasing nodal involvement, ER‐negative versus ER‐positive tumour status, PR‐negative versus PR‐positive tumour status. Where ER status was known, 82.7% of tumours were ER‐positive; 80.9% in women age <56 years, and 83.6% in those age ≥56 years (ER‐positive cut‐off ≥1.0% positive tumour cells or equivalent). Where PR status was known, 64.9% of tumours were PR‐positive; 65.8% in women age <56 years, and 64.4% in women age ≥56 years (PR‐positive cut off ≥10.0% or equivalent). These analyses of clinical test results provide contemporary benchmarking data for HER2, ER and PR positive rates. |
Author | Dowsett, Mitch Miller, Keith Dodson, Andrew Parry, Suzanne Bartlett, John MS Pinder, Sarah Ibrahim, Merdol |
AuthorAffiliation | 1 Ralph Lauren Centre for Breast Cancer Research The Royal Marsden Hospital London UK 3 UK NEQAS ICC & ISH University College London Cancer Institute London UK 5 Cancer Studies, King's College London London UK 4 Ontario Institute for Cancer Research Ontario Canada 2 The Institute of Cancer Research London UK |
AuthorAffiliation_xml | – name: 5 Cancer Studies, King's College London London UK – name: 2 The Institute of Cancer Research London UK – name: 4 Ontario Institute for Cancer Research Ontario Canada – name: 3 UK NEQAS ICC & ISH University College London Cancer Institute London UK – name: 1 Ralph Lauren Centre for Breast Cancer Research The Royal Marsden Hospital London UK |
Author_xml | – sequence: 1 givenname: Andrew orcidid: 0000-0002-7443-2362 surname: Dodson fullname: Dodson, Andrew email: andrew.dodson@icr.ac.uk organization: The Institute of Cancer Research – sequence: 2 givenname: Suzanne surname: Parry fullname: Parry, Suzanne organization: University College London Cancer Institute – sequence: 3 givenname: Merdol surname: Ibrahim fullname: Ibrahim, Merdol organization: University College London Cancer Institute – sequence: 4 givenname: John MS surname: Bartlett fullname: Bartlett, John MS organization: Ontario Institute for Cancer Research – sequence: 5 givenname: Sarah surname: Pinder fullname: Pinder, Sarah organization: Cancer Studies, King's College London – sequence: 6 givenname: Mitch surname: Dowsett fullname: Dowsett, Mitch organization: The Institute of Cancer Research – sequence: 7 givenname: Keith surname: Miller fullname: Miller, Keith organization: University College London Cancer Institute |
BackLink | https://www.ncbi.nlm.nih.gov/pubmed/30066480$$D View this record in MEDLINE/PubMed |
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Copyright | 2018 The Authors. The Journal of Pathology: Clinical Research published by The Pathological Society of Great Britain and Ireland and John Wiley & Sons Ltd. 2018. This work is published under http://creativecommons.org/licenses/by-nc/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. |
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Keywords | PR biomarkers clinical testing human epidermal growth factor receptor-2 breast cancer external quality assessment oestrogen receptor HER2 ER progesterone receptor |
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References | 2015; 68 2010; 56 2013; 133 2017; 86 2015; 107 2014; 110 2011 2014; 120 2017; 148 2007; 25 2013; 31 32633474 - J Pathol Clin Res. 2020 Jul;6(3):227 e_1_2_8_2_1 e_1_2_8_5_1 e_1_2_8_4_1 e_1_2_8_7_1 e_1_2_8_13_1 e_1_2_8_6_1 e_1_2_8_9_1 e_1_2_8_8_1 e_1_2_8_10_1 e_1_2_8_11_1 e_1_2_8_12_1 Ibrahim M (e_1_2_8_3_1) 2011 |
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SubjectTerms | Age Biomarkers Biomarkers, Tumor - genetics Biomarkers, Tumor - metabolism Breast cancer Breast Neoplasms - diagnosis Breast Neoplasms - genetics Breast Neoplasms - metabolism Breast Neoplasms - pathology clinical testing Data entry Databases, Factual Epidermal growth factor ErbB-2 protein Estrogen Receptor alpha - genetics Estrogen Receptor alpha - metabolism external quality assessment Female HER2 human epidermal growth factor receptor‐2 Humans Hybridization Immunocytochemistry Immunohistochemistry In Situ Hybridization Invasiveness Ireland Laboratories oestrogen receptor Original Progesterone progesterone receptor Quality Quality control Receptor, ErbB-2 - genetics Receptor, ErbB-2 - metabolism Receptors, Progesterone - genetics Receptors, Progesterone - metabolism Software Tumors United Kingdom Womens health |
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Title | Breast cancer biomarkers in clinical testing: analysis of a UK national external quality assessment scheme for immunocytochemistry and in situ hybridisation database containing results from 199 300 patients |
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