Evan Walker, MD

Title(s)Assistant Professor, Medicine
SchoolSchool of Medicine
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    Collapse Education and Training
    Brown UniversityScB2006-10Biology
    UCSFMD2010-15
    UCSFResidency2015-18Medicine
    UCSFChief Residency2018-19
    UCSFMedical Oncology Fellowship2019-21
    UCSF2021Diversity, Equity, and Inclusion Champion Training

    Collapse Overview 
    Collapse Overview
    Dr. Walker is a medical oncologist with a specific focus on gastrointestinal cancers. He maintains clinical practices at UCSF and the San Francisco VA.

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    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. An Exercise in Clinical Reasoning: Use of Social Context in Diagnosing an Elevated Lactate. J Gen Intern Med. 2024 Sep 04. Chang RS, Ow GM, Walker EJ, Brooks K, Lai AR. PMID: 39231848.
      View in: PubMed   Mentions:    Fields:    
    2. Informed decision-making about germline testing among Veterans with advanced prostate cancer (APC): A mixed-methods study. Journal of Clinical Oncology. 2024 Jun 1; 42(16_suppl):5105-5105. Kwon KD, McPhaul MM, Sumra SS, Ursem UC, Walker WE, Scheuner SM, Wang WS, Aggarwal AR, Huang HF, Belkora BJ. .
      View in: Publisher Site   Mentions:
    3. A randomized, multi-center, phase 2 study of ivaltinostat (Ival) plus capecitabine (Cape) versus capecitabine alone in the maintenance setting in patients with metastatic pancreatic adenocarcinoma (mPDAC). Journal of Clinical Oncology. 2024 May 29; 42(16_suppl):tps4206-tps4206. Fountzilas FC, Ko KA, Borazanci BE, D'Olimpio DJ, Hecht HJ, Tang TS, Shields SA, Salkeni SM, Michelson MG, Cho CG, Liganor LL, Cho CS, Walker WE. .
      View in: Publisher Site   Mentions:
    4. Challenges in patient-centered germline testing delivery for veterans with advanced prostate cancer (APC). Journal of Clinical Oncology. 2024 Feb 1; 42(4_suppl):71-71. Kwon KD, McPhaul MM, Hearst HE, Sumra SS, Ursem UC, Walker WE, Scheuner SM, Wang WS, Aggarwal AR, Huang HF, Belkora BJ. .
      View in: Publisher Site   Mentions:
    5. Results of the safety and tolerability of ivaltinostat plus capecitabine in the phase 1b portion of a phase 1b/2, dose-escalation, randomized, multi-center study in the maintenance (maint) setting in patients with metastatic pancreatic adenocarcinoma (mPDAC). Journal of Clinical Oncology. 2024 Jan 20; 42(3_suppl):666-666. Walker WE, Fountzilas FC, Borazanci BE, Shields SA, D'Olimpio DJ, Hecht HJ, Tang TS, Michelson MG, Liganor LL, Cho CS, Ko KA. .
      View in: Publisher Site   Mentions:
    6. Maintenance Treatment for Metastatic Pancreatic Cancer: Balancing Therapeutic Intensity with Tolerable Toxicity. Cancers (Basel). 2023 Jul 18; 15(14). Walker EJ, Ko AH. PMID: 37509318; PMCID: PMC10377699.
      View in: PubMed   Mentions:
    7. A phase 1b/2, dose-escalation, randomized, multicenter study of maintenance (maint) ivaltinostat (ival) plus capecitabine (cap) or capecitabine monotherapy in patients (pts) with metastatic pancreatic adenocarcinoma (PDAC) whose disease has not progressed on first-line FOLFIRINOX chemotherapy (CT). Journal of Clinical Oncology. 2022 Jun 1; 40(16_suppl):tps4181-tps4181. Walker WE, Borazanci BE, Botrus BG, Fountzilas FC, Hecht HJ, Kasi KA, Mettu MN, Pant PS, Michelson MG, Cho CG, Cho CS, Liganor LL, Ko KA. .
      View in: Publisher Site   Mentions:
    8. The Gut Microbiome in Colorectal Cancer. Hematol Oncol Clin North Am. 2022 06; 36(3):491-506. Piawah S, Walker EJ, Van Blarigan EL, Atreya CE. PMID: 35577712.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    9. The Additional Diagnostic Benefit of Pancreatic Cancer Molecular Profiling After Germline Testing. Pancreas. 2022 04 01; 51(4):302-304. Walker EJ, Blanco AM, Carnevale J, Cinar P, Collisson EA, Tempero MA, Ko AH. PMID: 35695740.
      View in: PubMed   Mentions:    Fields:    Translation:HumansCells
    10. The VA My Life My Story Project: Keeping Medical Students and Veterans Socially Connected While Physically Distanced. Fed Pract. 2021 Dec; 38(12):568-573. Walker E, Bruns E, Dhaliwal G. PMID: 35177886; PMCID: PMC8843003.
      View in: PubMed   Mentions: 1  
    11. Implementation of an Embedded In-Clinic Genetic Testing Station to Optimize Germline Testing for Patients with Pancreatic Adenocarcinoma. Oncologist. 2021 11; 26(11):e1982-e1991. Walker EJ, Goldberg D, Gordon KM, Pedley C, Carnevale J, Cinar P, Collisson EA, Tempero MA, Ko AH, Blanco AM, Dhawan M. PMID: 34506673; PMCID: PMC8571767.
      View in: PubMed   Mentions: 8     Fields:    Translation:HumansCells
    12. Durable response after immune checkpoint inhibitor-related diabetes in mismatch repair-deficient pancreatic cancer. Immunotherapy. 2021 10; 13(15):1249-1254. Tsang ES, Walker EJ, Carnevale J, Fisher GA, Ko AH. PMID: 34338034.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansCells
    13. Investigating tumor molecular profiling as a possible contributor to racial/ethnic disparities in pancreatic cancer. Journal of Clinical Oncology. 2021 May 20; 39(15_suppl):6522-6522. Walker WE, Piawah PS, Griffin GA, Carnevale CJ, Cinar CP, Collisson CE, Tempero TM, Ko KA. .
      View in: Publisher Site   Mentions:
    14. Anxious, Depressed, and Planning for the Future: Advance Care Planning in Diverse Older Adults. J Am Geriatr Soc. 2020 11; 68(11):2638-2642. McMahan RD, Barnes DE, Ritchie CS, Jin C, Shi Y, David D, Walker EJ, Tang VL, Sudore RL. PMID: 32783199; PMCID: PMC7719568.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    15. Postoperative Exacerbation of Oxaliplatin-induced Neurotoxicity in Gastrointestinal Cancers: A Case Series. Anticancer Res. 2020 02; 40(2):865-871. Gonzalez A, Walker EJ, Van Loon K, Cinar P, Atreya CE. PMID: 32014930.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    16. Referral frequency, attrition rate, and outcomes of germline testing in patients with pancreatic adenocarcinoma. Fam Cancer. 2019 04; 18(2):241-251. Walker EJ, Carnevale J, Pedley C, Blanco A, Chan S, Collisson EA, Tempero MA, Ko AH. PMID: 30267352.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    17. A Protean Protein. J Hosp Med. 2019 02 01; 14(2):117-122. Nawas MT, Walker EJ, Richie MB, White AA, Hsu G. PMID: 30534640.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    18. Interprofessional primary care electronic intervention to reduce hypoglycaemic agent use in high-risk veterans with diabetes. BMJ Open Qual. 2018; 7(3):e000221. Upadhyay V, Walker E, Govea A, Rife T, Jimenez I, Dulay M, Beaman J. PMID: 30272031; PMCID: PMC6157516.
      View in: PubMed   Mentions: 1     Fields:    
    19. Advance Care Planning Documentation Practices and Accessibility in the Electronic Health Record: Implications for Patient Safety. J Pain Symptom Manage. 2018 02; 55(2):256-264. Walker E, McMahan R, Barnes D, Katen M, Lamas D, Sudore R. PMID: 28943360; PMCID: PMC5794631.
      View in: PubMed   Mentions: 25     Fields:    Translation:Humans
    20. A Phase I Study of FOLFIRINOX Plus IPI-926, a Hedgehog Pathway Inhibitor, for Advanced Pancreatic Adenocarcinoma. Pancreas. 2016 Mar; 45(3):370-5. Ko AH, LoConte N, Tempero MA, Walker EJ, Kate Kelley R, Lewis S, Chang WC, Kantoff E, Vannier MW, Catenacci DV, Venook AP, Kindler HL. PMID: 26390428; PMCID: PMC5908466.
      View in: PubMed   Mentions: 110     Fields:    Translation:HumansCellsCTClinical Trials
    21. Statin use and risk of pancreatic cancer: results from a large, clinic-based case-control study. Cancer. 2015 Apr 15; 121(8):1287-94. Walker EJ, Ko AH, Holly EA, Bracci PM. PMID: 25649483; PMCID: PMC4393339.
      View in: PubMed   Mentions: 34     Fields:    Translation:Humans
    22. A patient with cholangiocarcinoma demonstrating pathologic complete response to chemotherapy: exploring the role of neoadjuvant therapy in biliary tract cancer. J Gastrointest Oncol. 2014 Dec; 5(6):E88-95. Walker EJ, Simko JP, Nakakura EK, Ko AH. PMID: 25436138; PMCID: PMC4226816.
      View in: PubMed   Mentions: 6  
    23. Abstract 2160: Metformin use is not associated with pancreatic cancer risk in a clinic-based case-control study conducted in the San Francisco Bay Area, California. Epidemiology. 2014 Oct 1; 2160-2160. Walker WE, Ko KA, Holly HE, Bracci BP. .
      View in: Publisher Site   Mentions:
    24. Metformin use among type 2 diabetics and risk of pancreatic cancer in a clinic-based case-control study. Int J Cancer. 2015 Mar 15; 136(6):E646-53. Walker EJ, Ko AH, Holly EA, Bracci PM. PMID: 25091126; PMCID: PMC4289450.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    25. Hepatitis B viral reactivation secondary to imatinib treatment in a patient with gastrointestinal stromal tumor. Anticancer Res. 2014 Jul; 34(7):3629-34. Walker EJ, Simko JP, Ko AH. PMID: 24982379.
      View in: PubMed   Mentions: 14     Fields:    Translation:HumansCells
    26. Beyond first-line chemotherapy for advanced pancreatic cancer: an expanding array of therapeutic options? World J Gastroenterol. 2014 Mar 07; 20(9):2224-36. Walker EJ, Ko AH. PMID: 24605022; PMCID: PMC3942828.
      View in: PubMed   Mentions: 32     Fields:    Translation:HumansCells
    27. Loss of the SxxSS motif in a human T-cell factor-4 isoform confers hypoxia resistance to liver cancer: an oncogenic switch in Wnt signaling. PLoS One. 2012; 7(6):e39981. Koga H, Tsedensodnom O, Tomimaru Y, Walker EJ, Lee HC, Kim KM, Yano H, Wands JR, Kim M. PMID: 22768190; PMCID: PMC3386968.
      View in: PubMed   Mentions: 11     Fields:    Translation:HumansAnimalsCells
    28. Abstract 1933: Preferential ubiquitination of hypoxia-inducible factors depends on the SxxSS motif in human T-cell factor-4 isoforms derived from hepatocellular carcinoma. Cancer Research. 2011 Apr 15; 71(8_Supplement):1933-1933. Koga KH, Walker WE, Tsedensodnom TO, Wands WJ, Kim KM. .
      View in: Publisher Site   Mentions:
    29. Role of Raf Kinase Inhibitor Protein in Hepatocellular Carcinoma. For Immunopathol Dis Therap. 2011; 2(2):195-204. Walker EJ, Rosenberg SA, Wands JR, Kim M. PMID: 21984963; PMCID: PMC3188396.
      View in: PubMed   Mentions: 4  
    30. Abstract 4067: A T-cell factor-4 motif regulates the phenotype of hepatocellular carcinoma cells. Cancer Research. 2010 Apr 15; 70(8_Supplement):4067-4067. Koga KH, Walker WE, Tsedensodnom TO, Wands WJ, Kim KM. .
      View in: Publisher Site   Mentions:
    31. Low density contrast agents for x-ray phase contrast imaging: the use of ambient air for x-ray angiography of excised murine liver tissue. Phys Med Biol. 2008 Dec 07; 53(23):6911-23. Laperle CM, Hamilton TJ, Wintermeyer P, Walker EJ, Shi D, Anastasio MA, Derdak Z, Wands JR, Diebold G, Rose-Petruck C. PMID: 19001700.
      View in: PubMed   Mentions: 11     Fields:    Translation:Animals
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