John M DeWitt MD FACG, FASGE

PubMed

• 1 citations
  North American Expert Consensus on the Post-procedural Care of Patients After Per-oral Endoscopic Myotomy Using a Delphi Process.
  Dennis Yang, Abdul Mohammed, Rena Yadlapati, Andrew Y Wang, Thurarshen Jeyalingam
  Clinical Gastroenterology and Hepatology. 2025-04-01
• Safety of same day discharge after Zenker's diverticulum peroral endoscopic myotomy.
  Yara Sarkis, Mohammad Al-Haddad, Sarah Stainko, Laura Wreglesworth, Krista Ashcraft
  Digestive and Liver Disease. 2025-04-01
• Safety of Same-Day Discharge After Gastric Peroral Endoscopic Myotomy in Patients with Refractory Gastroparesis: An International Multi-Center Study.
  Marita Salame, Yervant Ichkhanian, Nwal Hadaki, John M Wo, Sarah A Stainko
  Gastrointestinal Endoscopy. 2025-02-19

Journal Articles

• Phase I Study of EUS-Guided Photodynamic Therapy for Locally Advanced Pancreatic Cancer  
  John M Dewitt, Bert O'Neil, Amikar Sehdev, Safi Shahda, Gastrointestinal Endoscopy
• Tumor seeding associated with selected gastrointestinal endoscopic interventions  
  Gleeson F, Lee J, DeWitt JM, Clin Gastroenterol Hepatol, 1/1/2018
• Impact of Development of an Endoscopic Eradication Program for Barrett's Esophagus with High Grade Dysplasia or Early Adenocarcinoma on Surgery  
  Chilukuri P, Gromski MA, Johnson CS, Ceppa DP, Kesler KA, Birdas TJ, Rieger KM, Fatima H, Kessler WR, Rex DK, Al-Haddad MA, DeWitt JM, Endosc Int Open, 1/1/2018
• Prospective evaluation of the performance and interobserver variation in endoscopic ultrasound staging of rectal cancer  
  El Hajj II, DeWitt J, Sherman S, Imperiale TF, LeBlanc JK, McHenry L, Cote GA, Johnson CS, Al-Haddad M, Eur J Gastroenterol Hepatol, 1/1/2018
• Development of Endoscopy � Gastroenterology Diamond Jubilee Review  
  DeWitt J, Van Dam J, Gastroenterology, 1/1/2018
• Guidelines for sedation and anesthesia in GI endoscopy  
  Early DS, Lightdale JR, Vargo JJ 2nd, Acosta RD, Chandrasekhara V, Chathadi KV, Evans JA, Fisher DA, Fonkalsrud L, Hwang JH, Khashab MA, Muthusamy VR, Pasha SF, Saltzm..., Gastrointest Endosc, 1/1/2018
• Endoscopic eradication therapy for patients with Barrett�s esophagus-associated dysplasia and intramucosal cancer  
  Wani S, Qumseya B, Sultan S, Agrawal D, Chandrashekara V, Harnke B, Kothari S, McCarter M, Shaukat A, Wang A, Yang J, Dewitt J, Gastrointest Endosc, 1/1/2018
• The ASGE�s vision for developing clinical practice guidelines: the path forward  
  Wani S, Sultan S, Qumseya B, Michalek J, Dewitt J, Edmundowicz SA, Woods KL, Gastrointest Endosc, 1/1/2018
• Confocal Endomicroscopy Characteristics of Different Intraductal Papillary Mucinous Neoplasm Subtypes  
  Kamboj AK, Dewitt JM, Modi RM, Conwell DL, Krishna SG, Journal of the Pancreas, 1/1/2017
• A Multidisciplinary Approach to Pancreas Cancer in 2016: A Review  
  Fogel E, Shahda S, Sandrasegaran K, Dewitt J, Easler JJ, Agarwal DM, Eagleson M, Zyromski NJ, House MG, Ellsworth S, El Hajj I, O'Neil BH, Nakeeb A, Sherman S, Am J Gastroenterol, 1/1/2017
• Smoking and malignant IPMN progression  
  Carr RA, Roch AM, Shaffer K, Aboudi S, Schmidt CM 2nd, DeWitt J, Ceppa EP, House MG, Zyromski NJ, Nakeeb A, Schmidt CM, Am J Surg, 1/1/2017
• Development of a multidisciplinary program to expedite care of esophageal emergencies  
  Ceppa DP, Rosati CM, Chabtini L, Stokes SM, Cook HC, Rieger KM, Birdas TJ, Lappas JC, Kessler WR, DeWitt JM, Maglinte DD, Kesler KA, Ann Thoracic Surg, 1/1/2017
• Clinical Outcomes of EUS-Guided Drainage of Debris-containing Pancreatic Pseudocysts: A Large Multicenter Study  
  Yang D, Amin S, Gonzalez S, Mullady D, Edmundowicz SA, DeWitt JM, Khashab MA, Wang AY, Nagula S, Buscaglia JM, Bucobo JC, Wagh MS, Draganov PV, Stevens T, Vargo JJ, Kh..., Endosc Int Open, 1/1/2017
• Low diagnostic yield of transduodenal endoscopic ultrasound guided fine needle biopsy using the 19-gauge Flex needle: A large multicenter prospective study  
  Endosc Ultrasound, 1/1/2017
• Endoscopic suturing of esophageal fully covered self-expanding metal stents reduces rates of stent migration  
  Bick BL, Imperiale TF, Johnson CS, DeWitt JM, Gastrointest Endosc, 1/1/2017
• Adverse Events Associated with ERCP  
  Chandrasekhara V, Khashab MA, Muthusamy VR, Acosta RD, Agrawal D, Bruining DH, Eloubeidi MA, Fanelli RD, Faulx AL, Gurudu SR, Kothari S, Lightdale JR, Qumseya BJ, Shau..., Gastrointest Endosc, 1/1/2017
• EUS-guided paclitaxel injection as an adjunctive therapy to systemic chemotherapy and concurrent external beam radiation before surgery for localized or locoregional e...  
  DeWitt JM, Murthy SK, Ardhanari R, DuVall GA, Wallner G, Litka P, Daugherty C, Fowers K, Gastrointest Endosc, 1/1/2017
• The role of endoscopy in subepithelial lesions of the GI tract  
  Faulx AL, Kothari S, Acosta RD, Agrawal D, Bruining DH, Chandrasekhara V, Eloubeidi MA, Fanelli RD, Gurudu SR, Khashab MA, Lightdale JR, Muthusamy VR, Shaukat A, Qumse..., Gastrointest Endosc, 1/1/2017
• Guidelines for privileging, credentialing, and proctoring to perform GI endoscopy  
  Faulx AL, Lightdale JR, Acosta RD, Agrawal D, Bruining DH, Chandrasekhara V, Eloubeidi MA, Fanelli RD, Gurudu SR, Kelsey L, Khashab MA, Kothari S, Muthusamy VR, Qumsey..., Gastrointest Endosc, 1/1/2017
• The role of endoscopy in the management of suspected small-bowel bleeding  
  Gurudu SR, Bruining DH, Acosta RD, Eloubeidi MA, Faulx AL, Khashab MA, Kothari S, Lightdale JR, Muthusamy VR, Yang J, DeWitt JM, Gastrointest Endosc, 1/1/2017
• Sonographic and Cyst Fluid Cytological Changes Following the Endoscopic Ultrasound-Guided Pancreatic Cyst Ablation  
  Kim KH, McGreevy KA, La Fortune K, Cramer H, DeWitt JM, Gastrointest Endosc, 1/1/2017
• Needle Based Confocal Laser Endomicroscopy for The Diagnosis of Pancreatic Cystic Lesions: An International External Inter-And Intraobserver Study  
  Krishna SG, Brugge WR, Dewitt JM, Kongkam P, Napoleon B, Robles-Medranda C, Tan D, El-Dika S, McCarthy S, Walker J, Dillhoff ME, Manilchuk A, Schmidt C, Swanson B, Sha..., Gastrointest Endosc, 1/1/2017
• Endoscopic Ultrasound and Related Technologies for the Diagnosis and Treatment of Pancreatic Disease - Research Gaps and Opportunities: Summary of a National Institute...  
  Lee LS, Andersen DK, Ashida R, Brugge WR, Canto MI, Chang KJ, Chari ST, DeWitt J, Hwang JH, Khashab MA, Kim K, Levy MJ, McGrath K, Park WG, Singhi A, Stevens T, Thomps..., Gastrointest Endosc, 1/1/2017
• Colorectal ESD in the US: Why do we hear so much about it and do so little of it?  
  Rex D, Hassan C, DeWitt JM, Gastrointest Endosc, 1/1/2017
• Pancreatitis Quality of Life Instrument: A Psychometric Evaluation  
  Wassef W, DeWitt J, McGreevy K, Wilcox M, Whitcomb D, Yadav D, Amann S, Mishra G, Alkaade S, Romagnuolo J, Stevens T, Vargo J, Gardner T, Singh V, Park W, Hartigan C, ..., Am J Gastroenterol, 1/1/2016
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Books/Book Chapters

• Clinical Gastroenterology: Endoscopic Ultrasound. 
  Chapter: The Role of EUS in Cystic Lesions of the Pancreas. 
  Page 299 - 327Al-Haddad M, DeWitt JEditors: V.M. Shami and M. Kahaleh.Humana Press2010
• Atlas of EUS Pathology 
  Chapter: EUS and Pancreatic Metastases. 
  Page 173 - 181DeWitt JMEditors: Bhutani MS, Deutsch J.BC Decker, Inc, Hamilton, Ontario, Canada2009
• Endoscopic Ultrasonography 
  Chapter: Endoscopic Ultrasound for Pancreatitis. 
  Page 138 - 150Pais SA, DeWitt JEditors: Gress F, Savides T.Blackwell Publishing, Oxford, EnglandEdition 2nd,2009
• Advances in Surgery, Volume 41 
  Chapter: Endoscopic Ultrasound: How does it Aid the Surgeon? 
  Page 17 - 50LeBlanc JK, DeWitt J, Sherman SEditors: Cameron J.Elsevier Press, London, England2007
• Endosonography 
  Chapter: EUS and Pancreatic Tumors. 
  Page 177 - 203DeWitt JMEditors: Hawes R, Fockens P.Elsevier Press, London, England2006
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Abstracts/Posters

• The Dilemma of the Dilated Main Pancreatic Duct in the Distal Pancreatic Remnant After Proximal Pancreatectomy for IPMN.
  Simpson RD, Ceppa EP, Wu H, Akisik F, House MG, Zyromski NJ, Nakeeb A, Al-Haddad MA, DeWitt J, Sherman S, Schmidt CM, J Gastrointest Surg, 1/2/2019
• An International External Interobserver and Derivation Study for the Detection of Advanced Neoplasia in IPMNs Using Confocal Laser Endomicroscopy.
  Krishna S, DeWitt J, Am J Gastroenterol, 1/1/2018
• Phase I Study of EUS-guided Photodynamic Therapy for Locally Advanced Pancreatic Cancer.
  DeWitt JM, Sandrasegaran K, Perkins S, O�Neil B, House MG, Zyromski NJ, Sehdev A, Shahda S, Gastrointerology, 1/1/2018
• Characteristics and Outcomes of Patients with Dysplastic Barrett�s Esophagus who Undergo Esophagectomy Following Attempted Endoscopic Eradication Therapy.
  Crews NR, Fatima H, Kessler WR, Rex DK, DeWitt JM, Gastrointest Endosc, 1/1/2018
• A Phase 3, Single Blinded Multicenter Prospective Non-Inferiority Randomized Controlled Trial on the Performance of a Novel Esophageal Stent with an Antireflux Valve.
  Dua KS, DeWitt JM, Kessler WR, Diehl DL, Draganov PV, Wagh MS, Kahaleh M, Wong Kee Song LM, Khara HS, Khan AH, Aburajab M, Ballard DD, Forsmark C, Edmundowicz SA, Brau..., Gastrointest Endosc, 1/1/2018
• Gain and Loss of Kras Mutations in Pancreatic Cyst Fluid During Prolonged Surveillance: A Natural History Study.
  Ponugoti PL, DeWitt JM, Sherman S, Simpson RE, Easler JJ, Temnykh LM, Rahal MA, Schmidt CM, Al-Haddad MA, Gastrointest Endosc, 1/1/2018
• Fine Needle Aspiration of Pancreatic Cystic Lesions: A Multicenter Randomized Study Comparing Standard and Flexible Nitinol Needles.
  Wallace MB, Al-Haddad MA, Lakhtakia S, Brugge WR, Pleskow DK, Li ZS, Sethi A, Pannala R, DeWitt JM, Ramchandani MK, Jin Z, Can X, Woodward TA, Raimondo M, Faigel DO, Gastrointest Endosc, 1/1/2018
• EUS guided fine needle injection is superior to direct endoscopic injection of 2-octyl cyanoacrylate for the treatment of gastric variceal bleeding.
  Bick B, DeWitt J, Am J Gastroenterol, 1/1/2017
• Needle-based confocal laser endomicroscopy for the diagnosis of pancreatic cystic lesions: An international external inter- and intra-observer study.
  Krishna S, Brugge W, DeWitt J, Napoleon B, Kongkam P, Tan D, Robles-Medranda C, Conwell D, Endosc Ultrasound, 1/1/2017
• The Use of Photodynamic Therapy in Pancreatic Cancer: Consensus Statement from an Expert Panel.
  Wang KK, Donahue TR, Haber GB, DeWitt JM, Shah RJ, Muthusamy R, Mahipal A, Mang T, Hasan T, Grover V, Gastroenterology, 1/1/2017
• Characterization of Pancreatic Intraductal Papillary Mucinous Neoplasm Subtypes Using Confocal Laser Endomicroscopy.
  Kamboj AK, DeWitt JM, Modi RM, Swanson BJ, Muscarella P, Dillhoff ME, Conwell DJ, Krishna SG, Am J Gastroenterol, 1/1/2016
• Needle Based Confocal Laser Endomicroscopy Can Reliably Distinguish Mucinous from Non-mucinous Pancreatic Cystic Lesions: An International External Inter- and Intra-ob...
  Krishna SG, Brugge WR, DeWitt JM, Kongkam P, Napoleon B, Robles-Medranda C, Tan, T, El-Dika S, McCarthy S, Walker J, Dillhoff ME, Manilchuk A, Schmidt C, Hart PA, Conw..., Am J Gastroenterol, 1/1/2016
• Endoscopic Suturing of Fully Covered SEMS for Benign Esophageal Disease Decreases Migration Rates Compared to Unsecured Stents.
  Bick BL, Imperiale TF, Calley C, DeWitt JM, GIE, 1/1/2016
• Impact of Development of an Endoscopic Eradication Program for Barrett's Esophagus With High Grade Dysplasia or Early Adenocarcinoma on the Prevalence of Primary Surgi...
  Chilukuri P, Gromski MA, Ceppa DP, Kesler KA, DeWitt JM, GIE, 1/1/2016
• Endoscopic Ultrasound Guided Injection of 2-Octylcyanoacrylate for Treatment of Refractory Bleeding From Peristomal Varices.
  DeWitt JM, GIE, 1/1/2016
• Alterations in EUS morphology, cyst fluid cytology, DNA quality and DNA quantity in patients treated with EUS-guided ethanol lavage with paclitaxel injection.
  Kim KH, McGreevy KA, La Fortune K, Cramer H, DeWitt JM, GIE, 1/1/2016
• Sonographic and Cyst Fluid Cytological Changes Following the Endoscopic Ultrasound-Guided Pancreatic Cyst Ablation.
  Kim KH, McGreevy KA, La Fortune K, Cramer H, DeWitt JM, GIE, 1/1/2016
• Outcomes of Esophageal Stenting for Esophago-Respiratory Fistulae at a Large Referral Center.
  Mehta SR, DeWitt JM, GIE, 1/1/2016
• Comparison of EUS-guided tissue acquisition using two different 19-gauge core biopsy needles: a multicenter, prospective, randomized, and blinded study.
  DeWitt J, Cho CM, Lin J, Al-Haddad M, Canto MI, Salamone A, Hruban RH, Messallam AA, Khashab MA, Endosc Int Open, 1/1/2015
• EUS-Guided Transmural Drainage of Pancreatic Pseudocysts: Does the Presence of Solid Debris Impact Clinical Outcomes? A Large, Multicenter Study.
  Yang D, Amin S, Mullady D, Edmundowicz S, DeWitt JM, Khashab MA, Wang AY, Nagula S, Buscaglia J, Bucob JD, Wagh MS, Draganov P, Stevens T, Vargo J,Khara HS, Diehl DL, ..., Am J Gastroenterol, 1/1/2015
• Clinical Outcomes and Predictors of Recurrence of Submucosal (T1b) Esophageal Adenocarcinomas Removed by Endoscopic Mucosal Resection: A Dual-Center Experience.
  Ballard DD, Choksi N, Lin J, Choi EY, Elmunzer BJ, Appelman HD, Rex DK, Fatima H, Kessler WR, DeWitt JM, GIE, 1/1/2015
• Comparison of Direct Endoscopic Injection (DEI) an EUS-Guided Fine Needle Injection (EUS-FNI) of 2-Octyl-Cyanoacrylate for Treatment of Gastric Varices.
  Bang JY, Al-Haddad MA, Chiorean MV, Chalasani NP, Kwo PY, Ghabril M, Lacerda MA, Agrawal S, Masouka H, Vuppalanchi R, Orman ES, Sozio MS, Gawrieh S, Lammert C, Liangpu..., GIE, 1/1/2015
• Efficacy of Endoscopic Suturing of Fully Covered Esophageal Stents to Prevent Migration.
  Bick B, DeWitt J, GIE, 1/1/2015
• EUS-Guided Fine Needle Tissue Acquisition Using a Nitinol Ultra Flex 19-Gauge Needle for Transduodenal Lesions: A Multicenter Prospective Study.
  Larghi A, Fabbri C, Yasuda I, Palazzo L, Tarantino I, DeWitt JM, Fuccio L, Frazzoni L, Attili F, GIE, 1/1/2015
• Management of Branched Duct Intraductal Papillary Mucinous Neoplasms: A Large Single Center Study to Assess Predictors of Malignancy and Recurrence on Long Term Follow...
  Ridtitid W, Schmidt CM, DeWitt JM, Roch AM, Stuart JS, Sherman S, Al-Haddad MA, GIE, 1/1/2015
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Lectures

• Update on the Diagnosis and Treatment of Achalasia 
  Lexington, KY - 1/1/2018
• Pancreatic Cancer and Cysts 
  Indiana University Medical Center - 1/1/2018
• Pancreatic Cysts: Wait, Investigate, Operate, or Ablate 
  University of Kentucky, Lexington, KY - 1/1/2018
• Endoscopic Suturing 
  Washington, DC - 1/1/2018
• Endoscopic Submucosal Dissection 
  Orlando, FL - 1/1/2018
• Per Oral Endoscopic Myotomy 
  Orlando, FL - 1/1/2018
• Esophageal Disease 
  1/1/2018
• EUS Staging of Esophageal Cancer 
  Milwaukee, WI - 1/1/2018
• EUS guided biopsy and pseudocyst drainage 
  Milwaukee, WI - 1/1/2018
• Pancreatic Cystic Neoplasms: Wait, Investigate, Operate or Ablate 
  University of Nebraska, Omaha, NE - 1/1/2017
• Update in the Management of Achalasia 
  Omaha, NE - 1/1/2017
• Mastering polypectomy of small and large colon polyps 
  Guayaquil, Ecuador - 1/1/2017
• The role of endoscopy in early gastric cancer 
  Guayaquil, Ecuador - 1/1/2017
• Diagnostic EUS: What is the prognosis 
  Indiana University Medical Center - 1/1/2017
• EUS-guided Ablation of Pancreatic Cysts and Tumors 
  Pittsburgh, PA - 1/1/2017
• EUS-guided PDT for pancreatic cancer: what is the potential for clinical application 
  Coimbra, Portugal - 1/1/2017
• Diagnostic EUS: The Road Ahead 
  Chicago, IL - 1/1/2017
• What to do with Pancreatic Cysts with Different Guidelines 
  Chicago, IL - 1/1/2017
• EUS Master�s Class 
  Chicago, IL - 1/1/2017
• Pancreatic Cysts: How to Manage 
  University of Kansas, Kansas City, MO - 1/1/2016
• Pancreatic Cysts: An Update 
  Hershey, PA - 1/1/2016
• Interventional EUS: An Update 
  Hershey Medical Center, Hershey, PA - 1/1/2016
• POEM: A new treatment for an old disease. 
  Indiana University - 1/1/2016
• Pancreatic Cyst Ablation 
  Mumbai, India - 1/1/2015
• Celiac block/Neurolysis: Novel and New Techniques 
  Chicago, IL - 1/1/2015
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Other

• EUS-guided oncogel injection as an adjunctive therapy to systemic chemotherapy and concurrent external beam radiation before surgery for localized or locoregional esop... 
  DeWitt JM, Gastrointestinal Endoscopy Author Interview Series
  https://www.youtube.com/watch?v=E-47wcp4650
  1/1/2017
• Sonographic and cyst fluid cytological changes after EUS-guided pancreatic cyst ablation. (Video) 
  DeWitt JM, Gastrointestinal Endoscopy Author Interview Series
  https://youtu.be/n7IAogmvw3g
  1/1/2017
• Endoscopic suturing of esophageal fully covered self-expanding metal stents reduces rates of stent migration. (Video) 
  DeWitt JM, Gastrointestinal Endoscopy Author Interview Series
  https://youtu.be/-1-wHA7_0X0
  1/1/2017
• EUS-guided paclitaxel injection as an adjunctive therapy to systemic chemotherapy and concurrent external beam radiation before surgery for localized or locoregional e... 
  DeWitt JM, Murthy SK, Ardhanari R, DuVall GA, Wallner G, Litka P, Daugherty C, Fowers K, GIE Podcast hosted by Dr. Doug Adler; Gastrointest Endosc
  http://www.giejournal.org/pb/assets/raw/Health%20Advance/journals/ymge/monthly_podcasts/YMGE_86_1_DeWitt.mp3
  1/1/2017
• Treatment of esophageal leaks, fistulae, and perforations with temporary stents: evaluation of efficacy, adverse events, and factors associated with successful outcome... 
  DeWitt JM, Gastrointestinal Endoscopy Author Interview Series
  https://www.youtube.com/watch?v=zEsC-qMwyoQ
  1/1/2014
• EUS for pancreatic endocrine tumors: A single-center, 11-year experience (Video) 
  DeWitt JM, Gastrointestinal Endoscopy Author Interview Series
  1/1/2010
• Endoscopic Ultrasound-Guided Ethanol versus Saline Lavage for Pancreatic Cysts: A Randomized Double Blinded Study. (Video) 
  DeWitt JM, Gastrointestinal Endoscopy Author Interview Series
  https://www.youtube.com/watch?v=SbGjR1aIL2I
  1/1/2009
• Role of Endoscopy in Patients with Pancreatic Cancer. Clinical Update. 
  DeWitt J, Kahaleh M, ASGE quarterly publication
  1/1/2008
• Diverticulosis and Diverticulitis. 
  DeWitt JM, American Society of Gastroenterology Publications Committee
  1/1/2006
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