| Unknown | Interpretation of Endoscopic Characteristics of Colorectal Polyps With Blue Light Imaging Identification of Colorectal Polyps | — | 2024-10-01 |
| Unknown | Endosonographic Shear Wave Elastography for Liver Stiffness Liver Cirrhosis | — | 2020-09-08 |
| Completed | Three Arm Rand Trial of HD Light vs Reveal® Cap vs Endocuff Cap for Detection of Colorectal Adenomas (TRACE) Colorectal Adenoma | N/A | 2018-03-16 |
| Completed | Evaluation of Performance Characteristics of Capsule Endoscopy With PillCam UGI Capsule Compared to Standard E Barrett Esophagus | — | 2017-05-03 |
| Unknown | Lorcaserin Intra Venous Cocaine Effects Cocaine Use Disorders | Phase 1 / Phase 2 | 2015-11-01 |
| Unknown | Evaluation of MicroRNA Expression in Blood and Cytology for Detecting Barrett's Esophagus and Associated Neopl Barrett's Esophagus, Gastroesophageal Reflux, Esophageal Adenocarcinoma | — | 2015-04-01 |
| Withdrawn | A Study to Evaluate the Role of Alternative Medicine in Difficult to Treat GERD Patients Gastroesophageal Reflux Disease | N/A | 2012-12-01 |
| Withdrawn | Tacrine Effects on Cocaine Self-Administration and Pharmacokinetics Cocaine Dependence | Phase 2 | 2012-10-01 |
| Suspended | Narrow Band Imaging Project on Barrett's Esophagus Barrett's Esophagus, Gastroesophageal Reflux Disease | — | 2012-10-01 |
| Unknown | Prospective Study for Evaluating Colon Polyp Histology With in Vivo Probe Based Confocal Laser Endomicroscopy Colon Polyps, Adenomatous Polyps, Colon Cancer | N/A | 2012-09-01 |
| Unknown | A Prospective, Single Blinded Study for Predicting Colon Polyp Histology With Narrow Band Imaging Colonoscopy, Adenomatous Polyp, Neoplastic | N/A | 2012-04-01 |
| Completed | Combined Donepezil and Selegiline Effects on Cocaine-Reinforced Behavior Cocaine Use Disorders | Phase 2 | 2012-02-01 |
| Terminated | Endoscopic Resection or Ablation for Patients With Dysplasia or Cancer Requiring Treatment of Barrett's Esopha Barrett's Esophagus, Esophageal Neoplasms | N/A | 2011-09-01 |
| Terminated | Quality of Life in Barrett's Esophagus and Gastro-Esophageal Reflux Disease Barrett's Esophagus, Gastroesophageal Reflux Disease | — | 2010-01-01 |
| Terminated | Impact of Weight Loss on Gastroesophageal Reflux Disease in Overweight and Obese Subjects: a Prospective Study GERD, Obesity | N/A | 2009-06-01 |
| Completed | Diagnosis of Acid Reflux Disease Using Novel Imaging: A Prospective Study Non-erosive Reflux Disease | N/A | 2009-03-01 |
| Terminated | The Study of Barrett's Esophagus: What Are the Factors of Progression Barrett's Esophagus, Esophageal Neoplasms | — | 2007-11-01 |
| Recruiting | Barrett's Esophagus Related Neoplasia (BERN) Project Barrett's Esophagus, Neoplasms, Gastroesophageal Reflux | — | 2007-05-15 |
| Completed | Yield and Safety of Colonoscopy in Patients Older Than 80 Years Colorectal Neoplasms | — | 2006-08-01 |
| Recruiting | Progression of Gastroesophageal Reflux Disease and Barrett's Esophagus and the Creation of a Barrett's Registr Barrett's Esophagus, Gastroesophageal Reflux Disease, Esophageal Adenocarcinoma | — | 2006-01-01 |
| Completed | Novel Imaging Techniques in Barrett's Esophagus Barrett Esophagus, Gastroesophageal Reflux | N/A | 2005-10-01 |
| Suspended | Insulin Resistance Study Insulin Resistance, Metabolic Syndrome x | N/A | 2005-05-01 |
| Terminated | Demographics and Findings of Upper Endoscopy Patients Barrett Esophagus, Gastroesophageal Reflux | — | 2003-01-01 |