Oncology Division
Alphabetical list (active faculty):   
Andrew A. Davis

Andrew A. Davis, MD

Assistant Professor

Department of Medicine

Oncology Division

Medical Oncology

Clinical Interests

  • Breast cancer

Research Interests

  • Liquid biopsies
  • Predictive biomarkers
  • Novel therapeutics


  • 314-454-8313 (office)
  • 314-362-7086 (fax)
  • Division of Oncology
    Mail Stop 8056-0029-11
    Washington University
    660 South Euclid Avenue
    St. Louis, MO 63110
  • Room 11411, Mid-Campus Center (office)

Original Articles

  • Commercial ctDNA Assays for Minimal Residual Disease Detection of Solid Tumors
    Chen K, Shields MD, Chauhan PS, Ramirez RJ, Harris PK, Reimers MA, Zevallos JP, Davis AA, Pellini B, Chaudhuri AA
    Mol Diagn Ther 2021 Nov 1; [Epub ahead of print]
  • Cell-Free DNA Comparative Analysis of the Genomic Landscape of First-Line Hormone Receptor-Positive Metastatic Breast Cancer From the US and China
    Liu X, Davis AA, Xie F, Gui X, Chen Y, Zhang Q, Gerratana L, Zhang Y, Shah AN, Behdad A, Wehbe F, Huang Y, Yu J, Du P, Jia S, Li H, Cristofanilli M
    Breast Cancer Res Treat 2021 Nov;190(2):213-226
  • ICAM1 Initiates CTC Cluster Formation and Trans-Endothelial Migration in Lung Metastasis of Breast Cancer
    Taftaf R, Liu X, Singh S, Jia Y, Dashzeveg NK, Hoffmann AD, El-Shennawy L, Ramos EK, Adorno-Cruz V, Schuster EJ, Scholten D, Patel D, Zhang Y, Davis AA, Reduzzi C, Cao Y, D'Amico P, Shen Y, Cristofanilli M, Muller WA, Varadan V, Liu H
    Nat Commun 2021 Aug 11;12(1):4867
  • Longitudinal Dynamics of Circulating Tumor Cells and Circulating Tumor DNA for Treatment Monitoring in Metastatic Breast Cancer
    Gerratana L, Davis AA, Zhang Q, Basile D, Rossi G, Strickland K, Franzoni A, Allegri L, Mu Z, Zhang Y, Flaum LE, Damante G, Gradishar WJ, Platanias LC, Behdad A, Yang H, Puglisi F, Cristofanilli M
    JCO Precis Oncol 2021 Jun 8;5:943-952
  • Circulating Tumor Cells, Circulating Tumor DNA, and Disease Characteristics in Young Women With Metastatic Breast Cancer
    Shah AN, Carroll KJ, Gerratana L, Lin C, Davis AA, Zhang Q, Jacob S, Finkelman B, Zhang Y, Qiang W, D'Amico P, Reduzzi C, Gradishar WJ, Behdad A, Cristofanilli M
    Breast Cancer Res Treat 2021 Jun;187(2):397-405
  • The Establishment of New Thresholds for PLND-Validated Clinical Nomograms to Predict Non-Regional Lymph Node Metastases: Using (68)Ga-PSMA PET/CT as References
    Jiao J, Quan Z, Zhang J, Wen W, Qin J, Yang L, Meng P, Jing Y, Ma S, Wu P, Han D, Davis AA, Ren J, Yang X, Kang F, Zhang Q, Wang J, Qin W
    Front Oncol 2021 Apr 15;11:658669
  • The Use of Serial Circulating Tumor DNA to Detect Resistance Alterations in Progressive Metastatic Breast Cancer
    Jacob S, Davis AA, Gerratana L, Velimirovic M, Shah AN, Wehbe F, Katam N, Zhang Q, Flaum L, Siziopikou KP, Platanias LC, Gradishar WJ, Behdad A, Bardia A, Cristofanilli M
    Clin Cancer Res 2021 Mar 1;27(5):1361-1370
  • Understanding the Organ Tropism of Metastatic Breast Cancer Through the Combination of Liquid Biopsy Tools
    Gerratana L, Davis AA, Polano M, Zhang Q, Shah AN, Lin C, Basile D, Toffoli G, Wehbe F, Puglisi F, Behdad A, Platanias LC, Gradishar WJ, Cristofanilli M
    Eur J Cancer 2021 Jan;143:147-157
  • Landscape of Circulating Tumour DNA in Metastatic Breast Cancer
    Davis AA, Jacob S, Gerratana L, Shah AN, Wehbe F, Katam N, Zhang Q, Flaum L, Siziopikou KP, Platanias LC, Gradishar WJ, Behdad A, Cristofanilli M
    EBioMedicine 2020 Aug;58:102914
  • Minimal Residual Disease in Patients With Nonmetastatic Triple-Negative Breast Cancer: Positive, Negative, or a More Complex Issue?
    Davis AA, Cristofanilli M
    JAMA Oncol 2020 Sep 1;6(9):1332-1333
  • Novel Neoadjuvant Treatment Strategies for Triple-Negative Breast Cancer
    Davis AA, Gradishar WJ
    Oncology (Williston Park) 2020 May 13;34(5):176-182
  • Early Assessment of Molecular Progression and Response by Whole-Genome Circulating Tumor DNA in Advanced Solid Tumors
    Davis AA, Iams WT, Chan D, Oh MS, Lentz RW, Peterman N, Robertson A, Shah A, Srivas R, Wilson TJ, Lambert NJ, George PS, Wong B, Wood HW, Close JC, Tezcan A, Nesmith K, Tezcan H, Chae YK
    Mol Cancer Ther 2020 Jul;19(7):1486-1496
  • Mass Spectrometry-Based Serum Proteomic Signature as a Potential Biomarker for Survival in Patients With Non-Small Cell Lung Cancer Receiving Immunotherapy
    Chae YK, Kim WB, Davis AA, Park LC, Anker JF, Simon NI, Rhee K, Song J, Cho A, Chang S, Ko T, Oh M, Bhave M, Viveiros P
    Transl Lung Cancer Res 2020 Aug;9(4):1015-1028
  • Performance of a Novel Next Generation Sequencing Circulating Tumor DNA (ctDNA) Platform for the Evaluation of Samples From Patients With Metastatic Breast Cancer (MBC)
    Gerratana L, Zhang Q, Shah AN, Davis AA, Zhang Y, Wehbe F, Qiang W, Flaum L, Finkelman BS, Gradishar WJ, Platanias LC, Behdad A, Cristofanilli M
    Crit Rev Oncol Hematol 2020 Jan;145:102856
  • Association of a Novel Circulating Tumor DNA Next-Generating Sequencing Platform With Circulating Tumor Cells (CTCs) and CTC Clusters in Metastatic Breast Cancer
    Davis AA, Zhang Q, Gerratana L, Shah AN, Zhan Y, Qiang W, Finkelman BS, Flaum L, Behdad A, Gradishar WJ, Platanias LC, Cristofanilli M
    Breast Cancer Res 2019 Dec 4;21(1):137
  • The Role of PD-L1 Expression as a Predictive Biomarker: An Analysis of All US Food and Drug Administration (FDA) Approvals of Immune Checkpoint Inhibitors
    Davis AA, Patel VG
    J Immunother Cancer 2019 Oct 26;7(1):278
  • Emerging Role of Genomics and Cell-Free DNA in Breast Cancer
    Gerratana L, Davis AA, Shah AN, Lin C, Corvaja C, Cristofanilli M
    Curr Treat Options Oncol 2019 Jun 29;20(8):68
  • Clinical Implications of Circulating Tumor DNA Tumor Mutational Burden (ctDNA TMB) in Non-Small Cell Lung Cancer
    Chae YK*, Davis AA*, Agte S, Pan A, Simon NI, Iams WT, Cruz MR, Tamragouri K, Rhee K, Mohindra N, Villaflor V, Park W, Lopes G, Giles FJ (*co-first author)
    Oncologist 2019 Jun;24(6):820-828
  • Association of Tumor Mutational Burden With DNA Repair Mutations and Response to Anti-PD-1/PD-L1 Therapy in Non-Small-Cell Lung Cancer
    Chae YK*, Davis AA*, Raparia K, Agte S, Pan A, Mohindra N, Villaflor V, Giles F (*co-first author)
    Clin Lung Cancer 2019 Mar;20(2):88-96e6
  • The Clinical Use of Circulating Tumor Cells (CTCs) Enumeration for Staging of Metastatic Breast Cancer (MBC): International Expert Consensus Paper
    Cristofanilli M, Pierga JY, Reuben J, Rademaker A, Davis AA, Peeters DJ, Fehm T, Nole F, Gisbert-Criado R, Mavroudis D, Grisanti S, Giuliano M, Garcia-Saenz JA, Stebbing J, Caldas C, Gazzaniga P, Manso L, Zamarchi R, de Lascoiti AF, De Mattos-Arruda L, Ignatiadis M, Cabel L, van Laere SJ, Meier-Stiegen F, Sandri MT, Vidal-Martinez J, Politaki E, Consoli F, Generali D, Cappelletti MR, Diaz-Rubio E, Krell J, Dawson SJ, Raimondi C, Rutten A, Janni W, Munzone E, Caranana V, Agelaki S, Almici C, Dirix L, Solomayer EF, Zorzino L, Darrigues L, Reis-Filho JS, Gerratana L, Michiels S, Bidard FC, Pantel K
    Crit Rev Oncol Hematol 2019 Feb;134:39-45
  • Overexpression of Adhesion Molecules and Barrier Molecules Is Associated With Differential Infiltration of Immune Cells in Non-Small Cell Lung Cancer
    Chae YK, Choi WM, Bae WH, Anker J, Davis AA, Agte S, Iams WT, Cruz M, Matsangou M, Giles FJ
    Sci Rep 2018 Jan 18;8(1):1023
  • Path Toward Precision Oncology: Review of Targeted Therapy Studies and Tools to Aid in Defining "Actionability" of a Molecular Lesion and Patient Management Support
    Chae YK, Pan AP, Davis AA, Patel SP, Carneiro BA, Kurzrock R, Giles FJ
    Mol Cancer Ther 2017 Dec;16(12):2645-2655
  • Concordance of Genomic Alterations by Next-Generation Sequencing in Tumor Tissue Versus Circulating Tumor DNA in Breast Cancer
    Chae YK*, Davis AA*, Jain S, Santa-Maria C, Flaum L, Beaubier N, Platanias LC, Gradishar W, Giles FJ, Cristofanilli M (*co-first author)
    Mol Cancer Ther 2017 Jul;16(7):1412-1420
  • Is Circulating Tumor DNA (ctDNA) Use Ready for Prime Time? Applications
    Davis AA, Chae YK, Giles FJ
    Chemo Open Access 2017 Apr;6(230)
  • Recent Advances and Future Strategies for Immune-Checkpoint Inhibition in Small-Cell Lung Cancer
    Chae YK, Pan A, Davis AA, Mohindra N, Matsangou M, Villaflor V, Giles F
    Clin Lung Cancer 2017 Mar;18(2):132-140
  • Concordance Between Genomic Alterations Assessed by Next-Generation Sequencing in Tumor Tissue or Circulating Cell-Free DNA
    Chae YK*, Davis AA*, Carneiro BA, Chandra S, Mohindra N, Kalyan A, Kaplan J, Matsangou M, Pai S, Costa R, Jovanovic B, Cristofanilli M, Platanias LC, Giles FJ (*co-first author)
    Oncotarget 2016 Oct 4;7(40):65364-65373
  • Biomarkers for PD-1/PD-L1 Blockade Therapy in Non-Small-Cell Lung Cancer: Is PD-L1 Expression a Good Marker for Patient Selection?
    Chae YK, Pan A, Davis AA, Raparia K, Mohindra NA, Matsangou M, Giles FJ
    Clin Lung Cancer 2016 Sep;17(5):350-361
  • Adenoid Cystic Carcinoma: Current Therapy and Potential Therapeutic Advances Based on Genomic Profiling
    Chae YK, Chung SY, Davis AA, Carneiro BA, Chandra S, Kaplan J, Kalyan A, Giles FJ
    Oncotarget 2015 Nov 10;6(35):37117-34
  • Immunotherapy for Cancer in the Central Nervous System: Current and Future Directions
    Binder DC, Davis AA, Wainwright DA
    Oncoimmunology 2015 Sep 11;5(2):e1082027
  • Characteristics of Individuals With Breast Cancer Rearrangements in BRCA1 and BRCA2
    Jackson SA*, Davis AA*, Li J, Yi N, McCormick SR, Grant C, Fallen T, Crawford B, Loranger K, Litton J, Arun B, Vande Wydeven K, Sidani A, Farmer K, Sanders M, Hoskins K, Nussbaum R, Esserman L, Garber JE, Kaklamani VG (*co-first author)
    Northwestern Cancer Genetics Group

    Cancer 2014 May 15;120(10):1557-64
  • Optoporation and Genetic Manipulation of Cells Using Femtosecond Laser Pulses
    Davis AA, Farrar MJ, Nishimura N, Jin MM, Schaffer CB
    Biophys J 2013 Aug 20;105(4):862-71
  • Metabolic Syndrome and Triple-Negative Breast Cancer: A New Paradigm
    Davis AA, Kaklamani VG
    Int J Breast Cancer 2012;2012:809291
  • Paraphilias in Adult Psychiatric Inpatients
    Marsh PJ, Odlaug BL, Thomarios N, Davis AA, Buchanan SN, Meyer CS, Grant JE
    Ann Clin Psychiatry 2010 May;22(2):129-34
  • Legal Consequences of Kleptomania
    Grant JE, Odlaug BL, Davis AA, Kim SW
    Psychiatr Q 2009 Dec;80(4):251-9
  • Symptom Presentation and Classroom Functioning in a Nonclinical Sample of Children With Social Phobia
    Bernstein GA, Bernat DH, Davis AA, Layne AE
    Depress Anxiety 2008;25(9):752-60
  • Metallothionein-3 and Neuronal Nitric Oxide Synthase Levels in Brains From the Tg2576 Mouse Model of Alzheimer's Disease
    Martin BL, Tokheim AM, McCarthy PT, Doms BS, Davis AA, Armitage IM
    Mol Cell Biochem 2006 Feb;283(1-2):129-37

Book Chapters

  • Detection of Predictive Biomarkers Using Liquid Biopsies
    Davis AA, Cristofanilli M
    In: Predictive Biomarkers in Oncology: Applications in Precision Medicine, Springer Publishing Company, 2019
  • Complexity of Delivering Precision Medicine: Opportunities and Challenges
    Davis AA, McKee AE, Kibbe WA, Villaflor VM
    Am Soc Clin Oncol Educ Book 2018 May 23;38:998-1007