Publications

• Preliminary pneumoperitoneum facilitates transgastric access into the peritoneal cavity for natural orifice transluminal endoscopic surgery: A pilot study in a live porcine model
  Ko, C.-W., Shin, E. J., Buscaglia, J. M., Clarke, J. O., Magno, P., Giday, S. A., … Kantsevoy, S. V. (2007). Preliminary pneumoperitoneum facilitates transgastric access into the peritoneal cavity for natural orifice transluminal endoscopic surgery: A pilot study in a live porcine model. ENDOSCOPY, 39(10), 849–53.
• D-1- and D-2-like dopamine receptors are co-localized on the presynaptic varicosities of striatal and nucleus accumbens neurons in vitro
  Wong, A. C., Shetreat, M. E., Clarke, J. O., & Rayport, S. (1999). D-1- and D-2-like dopamine receptors are co-localized on the presynaptic varicosities of striatal and nucleus accumbens neurons in vitro. NEUROSCIENCE, 89(1), 221–233.
• Is blood the ideal submucosal cushioning agent? A comparative study in a porcine model
  Giday, S. A., Magno, P., Buscaglia, J. M., Canto, M. I., Ko, C.-W., Shin, E. J., … Kantsevoy, S. V. (2006). Is blood the ideal submucosal cushioning agent? A comparative study in a porcine model. ENDOSCOPY, 38(12), 1230–1234.
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• Pyloric Therapies for Gastroparesis. Ahuja, N. K., & Clarke, J. O. (2017). Pyloric Therapies for Gastroparesis. Current Treatment Options in Gastroenterology.
  
• The Role of Impedance Planimetry in the Evaluation of Esophageal Disorders. Ahuja, N. K., & Clarke, J. O. (2017). The Role of Impedance Planimetry in the Evaluation of Esophageal Disorders. Current Gastroenterology Reports, 19(2), 7-?
  
• Three-Dimensional Anorectal Manometry Enhances Diagnostic Gain by Detecting Sphincter Defects and Puborectalis Pressure. Raja, S., Okeke, F. C., Stein, E. M., Dhalla, S., Nandwani, M., Lynch, K. L., … Clarke, J. O. (2017). Three-Dimensional Anorectal Manometry Enhances Diagnostic Gain by Detecting Sphincter Defects and Puborectalis Pressure. Digestive Diseases and Sciences.
  
• What is the clinical significance of esophagogastric junction outflow obstruction? evaluation of 60 patients at a tertiary referral center. Okeke, F. C., Raja, S., Lynch, K. L., Dhalla, S., Nandwani, M., Stein, E. M., … Clarke, J. O. (2017). What is the clinical significance of esophagogastric junction outflow obstruction? evaluation of 60 patients at a tertiary referral center. Neurogastroenterology and Motility , 29(6).
  
• Esophageal distensibility measurement: impact on clinical management and procedure length. Ahuja, N. K., Agnihotri, A., Lynch, K. L., Hoo-Fatt, D., Onyimba, F., McKnight, M., … Clarke, J. O. (2017). Esophageal distensibility measurement: impact on clinical management and procedure length. Diseases of the Esophagus , 30(8), 1–8.
  
• The Changing Impact of Gastroesophageal Reflux Disease in Clinical Practice: An Updated Study Akst, L. M., Haque, O. J., Clarke, J. O., Hillel, A. T., Best, S. R. A., & Altman, K. W. (2017). The Changing Impact of Gastroesophageal Reflux Disease in Clinical Practice: An Updated Study. ANNALS OF OTOLOGY RHINOLOGY AND LARYNGOLOGY, 126(3), 229–35.
  
• Early satiety and postprandial fullness in gastroparesis correlate with gastroparesis severity, gastric emptying, and water load testing Parkman, H. P., Hallinan, E. K., Hasler, W. L., Farrugia, G., Koch, K. L., Nguyen, L., … HAMILTON, F. (2017). Early satiety and postprandial fullness in gastroparesis correlate with gastroparesis severity, gastric emptying, and water load testing. NEUROGASTROENTEROLOGY AND MOTILITY, 29(4).
  
• Learning Curve for PerOral Endoscopic Myotomy Deciphered: a Comprehensive Analysis Using Two Different Methodologies El Zein, M. H., Kumbhari, V., Saxena, P., Kamal, A., Ngamruengphong, S., Besharati, S., … Khashab, M. (2015). Learning Curve for PerOral Endoscopic Myotomy Deciphered: a Comprehensive Analysis Using Two Different Methodologies. GASTROINTESTINAL ENDOSCOPY, 81(5), AB167–AB167.
  
• Intraoperative measurement of esophagogastric junction cross-sectional area by impedance planimetry correlates with clinical outcomes of peroral endoscopic myotomy for achalasia: a multicenter study Ngamruengphong, S., von Rahden, B. H. A., Filser, J., Tyberg, A., Desai, A., Sharaiha, R. Z., … Khashab, M. A. (2016). Intraoperative measurement of esophagogastric junction cross-sectional area by impedance planimetry correlates with clinical outcomes of peroral endoscopic myotomy for achalasia: a multicenter study. SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, 30(7), 2886–94.
  
• Comprehensive analysis of efficacy and safety of peroral endoscopic myotomy performed by a gastroenterologist in the endoscopy unit: a single-center experience Khashab, M. A., El Zein, M., Kumbhari, V., Besharati, S., Ngamruengphong, S., Messallam, A., … Clarke, J. O. (2016). Comprehensive analysis of efficacy and safety of peroral endoscopic myotomy performed by a gastroenterologist in the endoscopy unit: a single-center experience. GASTROINTESTINAL ENDOSCOPY, 83(1), 117–25.
  
• Gender is a determinative factor in the initial clinical presentation of eosinophilic esophagitis Lynch, K. L., Dhalla, S., Chedid, V., Ravich, W. J., Stein, E. M., Montgomery, E. A., … Clarke, J. O. (2016). Gender is a determinative factor in the initial clinical presentation of eosinophilic esophagitis. DISEASES OF THE ESOPHAGUS, 29(2), 174–78.
  
• Outcomes and Factors Associated With Reduced Symptoms in Patients With Gastroparesis Pasricha, P. J., Yates, K. P., Nguyen, L., Clarke, J., Abell, T. L., Farrugia, G., … Parkman, H. P. (2015). Outcomes and Factors Associated With Reduced Symptoms in Patients With Gastroparesis. GASTROENTEROLOGY, 149(7), 1762-?
  
• Refractory gastroparesis can be successfully managed with endoscopic transpyloric stent placement and fixation (with video) Khashab, M. A., Besharati, S., Ngamruengphong, S., Kumbhari, V., El Zein, M., Stein, E. M., … Clarke, J. O. (2015). Refractory gastroparesis can be successfully managed with endoscopic transpyloric stent placement and fixation (with video). GASTROINTESTINAL ENDOSCOPY, 82(6), 1106–9.
  
• Comprehensive Radionuclide Esophagogastrointestinal Transit Study: Methodology, Reference Values, and Initial Clinical Experience Antoniou, A. J., Raja, S., El-Khouli, R., Mena, E., Lodge, M. A., Wahl, R. L., … Ziessman, H. A. (2015). Comprehensive Radionuclide Esophagogastrointestinal Transit Study: Methodology, Reference Values, and Initial Clinical Experience. JOURNAL OF NUCLEAR MEDICINE, 56(5), 721–27.
  
• Small Intestinal Transit Time Is Delayed in Small Intestinal Bacterial Overgrowth Roland, B. C., Ciarleglio, M. M., Clarke, J. O., Semler, J. R., Tomakin, E., Mullin, G. E., & Pasricha, P. J. (2015). Small Intestinal Transit Time Is Delayed in Small Intestinal Bacterial Overgrowth. JOURNAL OF CLINICAL GASTROENTEROLOGY, 49(7), 571–76.
  
• High-resolution anorectal manometry and dynamic pelvic magnetic resonance imaging are complementary technologies Jodorkovsky, D., Macura, K. J., Gearhart, S. L., Dunbar, K. B., Stein, E. M., & Clarke, J. O. (2015). High-resolution anorectal manometry and dynamic pelvic magnetic resonance imaging are complementary technologies. JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, 30(1), 71–74.
  
• Upper Esophageal Sphincter Abnormalities Frequent Finding on High-resolution Esophageal Manometry and Associated With Poorer Treatment Response in Achalasia Chavez, Y. H., Ciarleglio, M. M., Clarke, J. O., Nandwani, M., Stein, E., & Roland, B. C. (2015). Upper Esophageal Sphincter Abnormalities Frequent Finding on High-resolution Esophageal Manometry and Associated With Poorer Treatment Response in Achalasia. JOURNAL OF CLINICAL GASTROENTEROLOGY, 49(1), 17–23.
  
• Herbal therapy is equivalent to rifaximin for the treatment of small intestinal bacterial overgrowth. Chedid, V., Dhalla, S., Clarke, J. O., Roland, B. C., Dunbar, K. B., Koh, J., … Mullin, G. E. (2014). Herbal therapy is equivalent to rifaximin for the treatment of small intestinal bacterial overgrowth. Global Advances in Health and Medicine, 3(3), 16–24.
  
• Low Ileocecal Valve Pressure Is Significantly Associated with Small Intestinal Bacterial Overgrowth (SIBO) Roland, B. C., Ciarleglio, M. M., Clarke, J. O., Semler, J. R., Tomakin, E., Mullin, G. E., & Pasricha, P. J. (2014). Low Ileocecal Valve Pressure Is Significantly Associated with Small Intestinal Bacterial Overgrowth (SIBO). DIGESTIVE DISEASES AND SCIENCES, 59(6), 1269–77.
  
• Domperidone for delayed gastric emptying in lung transplant recipients with and without gastroesophageal reflux Lidor, A. O., Ensor, C. R., Sheer, A. J., Orens, J. B., Clarke, J. O., & McDyer, J. F. (2014). Domperidone for delayed gastric emptying in lung transplant recipients with and without gastroesophageal reflux. PROGRESS IN TRANSPLANTATION, 24(1), 27–32.
  
• Multichannel Intraluminal Impedance-pH Testing Is Clinically Useful in the Management of Patients with Gastroesophageal Reflux Symptoms Jodorkovsky, D., Price, J. C., Kim, B., Dhalla, S., Stein, E. M., & Clarke, J. O. (2014). Multichannel Intraluminal Impedance-pH Testing Is Clinically Useful in the Management of Patients with Gastroesophageal Reflux Symptoms. DIGESTIVE DISEASES AND SCIENCES, 59(8), 1817–22.
  
• Peroral endoscopic myotomy as a platform for the treatment of spastic esophageal disorders refractory to medical therapy (with video) Khashab, M. A., Saxena, P., Kumbhari, V., Nandwani, M., Roland, B. C., Stein, E., … Pasricha, P. J. (2014). Peroral endoscopic myotomy as a platform for the treatment of spastic esophageal disorders refractory to medical therapy (with video). GASTROINTESTINAL ENDOSCOPY, 79(1), 136–39.
  
• Jet injection of dyed saline facilitates efficient peroral endoscopic myotomy Khashab, M. A., Messallam, A. A., Saxena, P., Kumbhari, V., Ricourt, E., Aguila, G., … Clarke, J. O. (2014). Jet injection of dyed saline facilitates efficient peroral endoscopic myotomy. ENDOSCOPY, 46(4), 298–301.
  
• Through-the-scope transpyloric stent placement improves symptoms and gastric emptying in patients with gastroparesis Clarke, J. O., Sharaiha, R. Z., Valeshabad, A. K., Lee, L. A., Kalloo, A. N., & Khashab, M. A. (2013). Through-the-scope transpyloric stent placement improves symptoms and gastric emptying in patients with gastroparesis. ENDOSCOPY, 45, E189–E190.
  
• Biofeedback Therapy for Defecatory Dysfunction "Real Life" Experience Jodorkovsky, D., Dunbar, K. B., Gearhart, S. L., Stein, E. M., & Clarke, J. O. (2013). Biofeedback Therapy for Defecatory Dysfunction "Real Life" Experience. JOURNAL OF CLINICAL GASTROENTEROLOGY, 47(3), 252–55.
  
• The Relationship Between Depressive Symptoms and Voice Handicap Index Scores in Laryngopharyngeal Reflux Elam, J. C., Ishman, S. L., Dunbar, K. B., Clarke, J. O., & Gourin, C. G. (2010). The Relationship Between Depressive Symptoms and Voice Handicap Index Scores in Laryngopharyngeal Reflux. LARYNGOSCOPE, 120(9), 1900–1903.
  
• Enhanced diagnostic yield with prolonged small bowel transit time during capsule endoscopy. Buscaglia, J. M., Kapoor, S., Clarke, J. O., Bucobo, J. C., Giday, S. A., Magno, P., … Mullin, G. E. (2008). Enhanced diagnostic yield with prolonged small bowel transit time during capsule endoscopy. International Journal of Medical Sciences, 5(6), 303–8.
  
• Multi-Organ RNA-Sequencing of Patients with Systemic Sclerosis (SSc) Finds That Intrinsic Subsets Are Conserved across Organ Systems Mehta, B. K., Franks, J., Cai, G., Toledo, D., Wood, T. A., Archambault, K. A., … Whitfield, M. L. (2017). Multi-Organ RNA-Sequencing of Patients with Systemic Sclerosis (SSc) Finds That Intrinsic Subsets Are Conserved across Organ Systems. ARTHRITIS & RHEUMATOLOGY, 69.
  
• Aprepitant Has Mixed Effects on Nausea and Reduces Other Symptoms in Patients With Gastroparesis and Related Disorders Pasricha, P. J., Yates, K. P., Sarosiek, I., McCallum, R. W., Abell, T. L., Koch, K. L., … Parkman, H. P. (2018). Aprepitant Has Mixed Effects on Nausea and Reduces Other Symptoms in Patients With Gastroparesis and Related Disorders. GASTROENTEROLOGY, 154(1), 65-+.
  
• Baclofen and gastroesophageal reflux disease: seeing the forest through the trees. Clarke, J. O., Fernandez-Becker, N. Q., Regalia, K. A., & Triadafilopoulos, G. (2018). Baclofen and gastroesophageal reflux disease: seeing the forest through the trees. Clinical and Translational Gastroenterology, 9(3), 137.
  
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• A Positive Correlation Between Gastric and Esophageal Dysmotility Suggests Common Causality. Zikos, T. A., Clarke, J. O., Triadafilopoulos, G., Regalia, K. A., Sonu, I. S., Fernandez-Becker, N. Q., … Nguyen, L. A. (2018). A Positive Correlation Between Gastric and Esophageal Dysmotility Suggests Common Causality. Digestive Diseases and Sciences.
  
• REFRACTORY GASTROPARESIS: GASTRIC PERORAL ENDOSCOPIC MYOTOMY (G-POEM) VS. INTRAPYLORIC BOTULINUM TOXIN INJECTION Parsa, N., Yang, J., Gutierrez, O. I. B., Moran, R., Sanaei, O., Fayad, L., … Khashab, M. A. (2018). REFRACTORY GASTROPARESIS: GASTRIC PERORAL ENDOSCOPIC MYOTOMY (G-POEM) VS. INTRAPYLORIC BOTULINUM TOXIN INJECTION. GASTROINTESTINAL ENDOSCOPY, 87(6), AB241–AB242.
  
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• Patients with symptoms of delayed gastric emptying have a high prevalence of oesophageal dysmotility, irrespective of scintigraphic evidence of gastroparesis. Triadafilopoulos, G., Nguyen, L., & Clarke, J. O. (2017). Patients with symptoms of delayed gastric emptying have a high prevalence of oesophageal dysmotility, irrespective of scintigraphic evidence of gastroparesis. BMJ Open Gastroenterology, 4(1), e000169.
  
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• Learning curve for peroral endoscopic myotomy El Zein, M., Kumbhari, V., Ngamruengphong, S., Carson, K. A., Stein, E., Tieu, A., … Khashab, M. A. (2016). Learning curve for peroral endoscopic myotomy. ENDOSCOPY INTERNATIONAL OPEN, 4(5), E577–E582.
  
• Upper Esophageal Sphincter Abnormalities Are Strongly Predictive of Treatment Response in Patients with Achalasia Mathews, S., Chavez, Y., Ciarleglio, M., Clarke, J., Stein, E., & Roland, B. C. (2013). Upper Esophageal Sphincter Abnormalities Are Strongly Predictive of Treatment Response in Patients with Achalasia. AMERICAN JOURNAL OF GASTROENTEROLOGY, 108, S1–S2.
  
• The Added Diagnostic Value of Liquid Gastric Emptying Compared with Solid Emptying Alone Ziessman, H. A., Chander, A., Clarke, J. O., Ramos, A., & Wahl, R. L. (2009). The Added Diagnostic Value of Liquid Gastric Emptying Compared with Solid Emptying Alone. JOURNAL OF NUCLEAR MEDICINE, 50(5), 726–31.
  
• Endoscopic retrograde cholangiopancreatography, but not esophagogastroduodenoscopy or colonoscopy, significantly increases portal venous pressure: direct portal pressure measurements through endoscopic ultrasound-guided cannulation Buscaglia, J. M., Shin, E. J., Clarke, J. O., Giday, S. A., Ko, C. W., Thuluvath, P. J., … Kantsevoy, S. V. (2008). Endoscopic retrograde cholangiopancreatography, but not esophagogastroduodenoscopy or colonoscopy, significantly increases portal venous pressure: direct portal pressure measurements through endoscopic ultrasound-guided cannulation. ENDOSCOPY, 40(8), 670–74.
  
• EUS-guided submucosal implantation of a radiopaque marker: a simple and effective procedure to facilitate subsequent surgical and radiation therapy Magno, P., Giday, S. A., Gabrielson, K. L., Shin, E. J., Clarke, J. O., Ko, C.-W., … Kantsevoy, S. V. (2008). EUS-guided submucosal implantation of a radiopaque marker: a simple and effective procedure to facilitate subsequent surgical and radiation therapy. GASTROINTESTINAL ENDOSCOPY, 67(7), 1147–52.
  
• Severity of post-ERCP pancreatitis directly proportional to the invasiveness of endoscopic intervention: a pilot study in a canine model Buscaglia, J. M., Simons, B. W., Prosser, B. J., Ruben, D. S., Giday, S. A., Magno, P., … Jagannath, S. B. (2008). Severity of post-ERCP pancreatitis directly proportional to the invasiveness of endoscopic intervention: a pilot study in a canine model. ENDOSCOPY, 40(6), 506–12.
  
• How good is capsule endoscopy for detection of periampullary lesions? Results of a tertiary-referral center Clarke, J. O., Giday, S. A., Magno, P., Shin, E. J., Buscaglia, J. M., Jagannath, S. B., & Mullin, G. E. (2008). How good is capsule endoscopy for detection of periampullary lesions? Results of a tertiary-referral center. GASTROINTESTINAL ENDOSCOPY, 68(2), 267–72.
  
• Performance characteristics of the suspected blood indicator feature in capsule endoscopy according to indication for study Buscaglia, J. M., Giday, S. A., Kantsevoy, S. V., Clarke, J. O., Magno, P., Yong, E., & Mullin, G. E. (2008). Performance characteristics of the suspected blood indicator feature in capsule endoscopy according to indication for study. CLINICAL GASTROENTEROLOGY AND HEPATOLOGY, 6(3), 298–301.
  
• EUS-guided portal vein catheterization: a promising novel approach for portal angiography and portal vein pressure measurements Giday, S. A., Clarke, J. O., Buscaglia, J. M., Shin, E. J., Ko, C.-W., Magno, P., & Kantsevoy, S. V. (2008). EUS-guided portal vein catheterization: a promising novel approach for portal angiography and portal vein pressure measurements. GASTROINTESTINAL ENDOSCOPY, 67(2), 338–42.
  
• Classifying esophageal motility by pressure topography characteristics: A study of 400 patients and 75 controls Pandolfino, J. E., Ghosh, S. K., Rice, J., Clarke, J. O., Kwiatek, M. A., & Kahrilas, P. J. (2008). Classifying esophageal motility by pressure topography characteristics: A study of 400 patients and 75 controls. AMERICAN JOURNAL OF GASTROENTEROLOGY, 103(1), 27–37.
  
• EUS-guided portal vein carbon dioxide angiography: a pilot study in a porcine model Giday, S. A., Ko, C.-W., Clarke, J. O., Shin, E. J., Magno, P., Jagannath, S. B., … Kantsevoy, S. V. (2007). EUS-guided portal vein carbon dioxide angiography: a pilot study in a porcine model. GASTROINTESTINAL ENDOSCOPY, 66(4), 814–19.
  
• Comparative study of endoscopic clips: duration of attachment at the site of clip application Shin, E. J., Ko, C.-W., Magno, P., Giday, S. A., Clarke, J. O., Buscaglia, J. M., … Kantsevoy, S. V. (2007). Comparative study of endoscopic clips: duration of attachment at the site of clip application. GASTROINTESTINAL ENDOSCOPY, 66(4), 757–61.
  
• EUS-guided angiography: a novel approach to diagnostic and therapeutic interventions in the vascular system Magno, P., Ko, C.-W., Buscaglia, J. M., Giday, S. A., Jagannath, S. B., Clarke, J. O., … Kantsevoy, S. V. (2007). EUS-guided angiography: a novel approach to diagnostic and therapeutic interventions in the vascular system. GASTROINTESTINAL ENDOSCOPY, 66(3), 587–91.
  
• Impaired deglutitive EGJ relaxation in clinical esophageal manometry: a quantitative analysis of 400 patients and 75 controls Ghosh, S. K., Pandolfino, J. E., Rice, J., Clarke, J. O., Kwiatek, M., & Kahrilas, P. J. (2007). Impaired deglutitive EGJ relaxation in clinical esophageal manometry: a quantitative analysis of 400 patients and 75 controls. AMERICAN JOURNAL OF PHYSIOLOGY-GASTROINTESTINAL AND LIVER PHYSIOLOGY, 293(4), G878–G885.
  
• EUS-guided implantation of radiopaque marker into mediastinal and celiac lymph nodes is safe and effective Magno, P., Giday, S. A., Gabrielson, K. L., Shin, E. J., Buscaglia, J. M., Clarke, J. O., … Kantsevoy, S. V. (2007). EUS-guided implantation of radiopaque marker into mediastinal and celiac lymph nodes is safe and effective. GASTROINTESTINAL ENDOSCOPY, 66(2), 387–92.
  
• The utility of contrast-enhanced endoscopic ultrasound in monitoring ethanol-induced pancreatic tissue ablation: a pilot study in a porcine model Giday, S. A., Magno, P., Gabrielson, K. L., Buscaglia, J. M., Canto, M. I., Ko, C. W., … Kantsevoy, S. V. (2007). The utility of contrast-enhanced endoscopic ultrasound in monitoring ethanol-induced pancreatic tissue ablation: a pilot study in a porcine model. ENDOSCOPY, 39(6), 525–29.
  
• High-resolution manometry of the EGJ: An analysis of crural diaphragm function in GERD Pandolfino, J. E., Kim, H., Ghosh, S. K., Clarke, J. O., Zhang, Q., & Kahrilas, P. J. (2007). High-resolution manometry of the EGJ: An analysis of crural diaphragm function in GERD. AMERICAN JOURNAL OF GASTROENTEROLOGY, 102(5), 1056–63.
  
• An endoscopically implantable device stimulates the lower esophageal sphincter on demand by remote control: a study using a canine model Clarke, J. O., Jagannath, S. B., Kalloo, A. N., Long, V. R., Beitler, D. M., & Kantsevoy, S. V. (2007). An endoscopically implantable device stimulates the lower esophageal sphincter on demand by remote control: a study using a canine model. ENDOSCOPY, 39(1), 72–76.
  
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• Multi-Organ RNA-Sequencing of Patients with Systemic Sclerosis (SSc) Finds That Intrinsic Subsets Are Conserved across Organ Systems Mehta, B. K., Franks, J., Wang, Y., Cai, G., Toledo, D. M., Wood, T. A., … Whitfield, M. L. (2018). Multi-Organ RNA-Sequencing of Patients with Systemic Sclerosis (SSc) Finds That Intrinsic Subsets Are Conserved across Organ Systems. ARTHRITIS & RHEUMATOLOGY, 70.
  
• Identification of Risk Factors for Gastric Antral Vascular Ectasia (GAVE) Among Systemic Sclerosis Patients Serling-Boyd, N., Li, S., Fiorentino, D., Becker, L., Fernandez-Becker, N., Clarke, J., & Chung, L. (2018). Identification of Risk Factors for Gastric Antral Vascular Ectasia (GAVE) Among Systemic Sclerosis Patients. ARTHRITIS & RHEUMATOLOGY, 70.
  
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• Abdominal Pain in Patients with Gastroparesis: Associations with Gastroparesis Symptoms, Etiology of Gastroparesis, Gastric Emptying, Somatization, and Quality of Life. Parkman, H. P., Wilson, L. A., Hasler, W. L., McCallum, R. W., Sarosiek, I., Koch, K. L., … Pasricha, P. J. (2019). Abdominal Pain in Patients with Gastroparesis: Associations with Gastroparesis Symptoms, Etiology of Gastroparesis, Gastric Emptying, Somatization, and Quality of Life. Digestive Diseases and Sciences.
  
• High Prevalence of Slow Transit Constipation in Patients With Gastroparesis. Zikos, T. A., Kamal, A. N., Neshatian, L., Triadafilopoulos, G., Clarke, J. O., Nandwani, M., & Nguyen, L. A. (2019). High Prevalence of Slow Transit Constipation in Patients With Gastroparesis. Journal of Neurogastroenterology and Motility.
  
• Under Pressure: Do Volume-Based Measurements Define Rectal Hyposensitivity in Clinical Practice? Kamal, A. N., Garcia, P., & Clarke, J. O. (2019). Under Pressure: Do Volume-Based Measurements Define Rectal Hyposensitivity in Clinical Practice? Digestive Diseases and Sciences.
  
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• High Prevalence of Slow Transit Constipation in Patients With Gastroparesis Zikos, T. A., Kamal, A. N., Neshatian, L., Triadafilopoulos, G., Clarke, J. O., Nandwani, M., & Nguyen, L. A. (2019). High Prevalence of Slow Transit Constipation in Patients With Gastroparesis. JOURNAL OF NEUROGASTROENTEROLOGY AND MOTILITY, 25(2), 267–75.
  
• Under Pressure: Do Volume-Based Measurements Define Rectal Hyposensitivity in Clinical Practice? Kamal, A. N., Garcia, P., & Clarke, J. O. (2019). Under Pressure: Do Volume-Based Measurements Define Rectal Hyposensitivity in Clinical Practice? DIGESTIVE DISEASES AND SCIENCES, 64(5), 1062–63.
  
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• Gastric per-oral endoscopic myotomy: Current status and future directions. Podboy, A., Hwang, J. H., Nguyen, L. A., Garcia, P., Zikos, T. A., Kamal, A., … Clarke, J. O. (2019). Gastric per-oral endoscopic myotomy: Current status and future directions. World Journal of Gastroenterology, 25(21), 2581–90.
  
• PER-ORAL ENDOSCOPIC MYOTOMY HAS SIMILAR EFFICACY COMPARED TO LAPAROSCOPIC HELLER MYOTOMY AFTER 4 YEARS: A SINGLE CENTER EXPERIENCE Podboy, A. J., Hwang, J. H., Rivas, H., Azagury, D., Hawn, M. T., Kamal, A., … Clarke, J. O. (2019). PER-ORAL ENDOSCOPIC MYOTOMY HAS SIMILAR EFFICACY COMPARED TO LAPAROSCOPIC HELLER MYOTOMY AFTER 4 YEARS: A SINGLE CENTER EXPERIENCE. GASTROINTESTINAL ENDOSCOPY, 89(6), AB201–AB202.
  
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• Open-label pilot study: Non-invasive vagal nerve stimulation improves symptoms and gastric emptying in patients with idiopathic gastroparesis. Gottfried-Blackmore, A., Adler, E. P., Fernandez-Becker, N., Clarke, J., Habtezion, A., & Nguyen, L. (2019). Open-label pilot study: Non-invasive vagal nerve stimulation improves symptoms and gastric emptying in patients with idiopathic gastroparesis. Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society, e13769.
  
• Changes in high-resolution manometric diagnosis over time: implications for clinical decision-making. Triadafilopoulos, G., Kamal, A., Zikos, T., Nguyen, L., & Clarke, J. O. (2020). Changes in high-resolution manometric diagnosis over time: implications for clinical decision-making. Diseases of the Esophagus : Official Journal of the International Society for Diseases of the Esophagus.