Dr. John Marshall, MD

• Hematology

• Gastroenterology

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

• Medstar-georgetown University Medical Center

  Fellowship Hospital

• University Of Louisville School Of Medicine

  Medical School, 1988

• A Phase I Study of Ribociclib Plus Everolimus in Patients with Metastatic Pancreatic Adenocarcinoma Refractory to Chemotherapy, 2020-06-22

• The Essentials of Multiomics, 2022-02-22

• Significance and implications of FDA approval of pembrolizumab for biomarker-defined disease, 2018-05-14

• Phase I Dose Finding Studies of Obatoclax (GX15-070), a Small Molecule Pan-BCL-2 Family Antagonist, in Patients with Advanced Solid Tumors or Lymphoma, 2010-06-10

• Relationship between MLH1, PMS2, MSH2 and MSH6 gene-specific alterations and tumor mutational burden in 1057 microsatellite instability-high solid tumors, 2020-06-18

• Association of Homologous Recombination-DNA Damage Response Gene Mutations with Immune Biomarkers in Gastroesophageal Cancers, 2021-11-01

• Future of targeted agents in metastatic colorectal cancer, 2013-08-08

• Phase II study of temozolomide and veliparib combination therapy for sorafenib-refractory advanced hepatocellular carcinoma, 2015-10-08

• Colorectal cancer care in the age of coronavirus: strategies to reduce risk and maintain benefit, 2020-04-16

• Comparative molecular analyses of left-sided colon, right-sided colon, and rectal cancers, 2017-09-21

• Tissue and Serum microRNAs in the KrasG12DTransgenic Animal Model and in Patients with Pancreatic Cancer, 2011-06-27

• ßII-spectrin (SPTBN1) Suppresses Progression of Hepatocellular Carcinoma and Wnt Signaling via Regulation of Wnt Inhibitor Kallistatin, 2014-12-17

• A Phase 1 Study of a Vaccine Targeting Preferentially Expressed Antigen in Melanoma and Prostate-specific Membrane Antigen in Patients With Advanced Solid Tumors, 2013-06-10

• A Pilot Trial of Molecularly Tailored Therapy for Patients with Metastatic Pancreatic Ductal Adenocarcinoma, 2019-05-02

• The current state of molecular profiling in gastrointestinal malignancies, 2022-06-06

• Circulating cell-free DNA mutation patterns in early and late stage colon and pancreatic cancer, 2017-09-14

• Results of an abbreviated phase-II study with the Akt Inhibitor MK-2206 in Patients with Advanced Biliary Cancer, 2015-07-10

• Evaluation of Hypertension as a Marker of Bevacizumab Efficacy, 2013-06-10

• Stereotactic body radiation therapy with concurrent full-dose gemcitabine for locally advanced pancreatic cancer: a pilot trial demonstrating safety, 2013-03-01

• Phase I trial of ixabepilone administered as three oral doses each separated by 6 hours every 3 weeks in patients with advanced solid tumors, 2012-02-14

• Comprehensive tumor profiling reveals unique molecular differences between peritoneal metastases and primary colorectal adenocarcinoma, 2020-03-12

• A Phase I/II Study of Veliparib (ABT-888) in combination with 5-Fluorouracil and Oxaliplatin in Patients with Metastatic Pancreatic Cancer, 2020-07-15

• Vascular Endothelial Growth Factor plus Epidermal Growth Factor Receptor Dual Targeted Therapy in Metastatic Colorectal Cancer: Synergy or Antagonism?, 2009-12-06

• SPTBN1 inhibits inflammatory responses and hepatocarcinogenesis via the stabilization of SOCS1 and downregulation of p65 in hepatocellular carcinoma, 2021-02-20

• Landscape of Tumor Mutation Load, Mismatch Repair Deficiency, and PD-L1 Expression in a Large Patient Cohort of Gastrointestinal Cancers, 2018-03-09

• A Randomized Phase II Study of Immunization With Dendritic Cells Modified With Poxvectors Encoding CEA and MUC1 Compared With the Same Poxvectors Plus GM-CSF for Resected Metastatic Colorectal Cancer, 2013-07-05

• Quantification and expert evaluation of evidence for chemopredictive biomarkers to personalize cancer treatment, 2016-11-24

• Stereotactic Body Radiation Therapy (SBRT) combined with chemotherapy for unresected pancreatic adenocarcinoma, 2015-04-23

• Recurrence of Early Stage Colon Cancer Predicted by Expression Pattern of Circulating microRNAs, 2014-01-06