| NCT Number | Conditions | Interventions | Sponsor/Collaborators | Phases | Start Date | Last Updated |
| NCT01161940 | Healthy | Drug: Nizatidine|Drug: Axid | Dr. Reddy's Laboratories Limited | Phase 1 | 2004-07-01 | 2010-07-13 |
| NCT01409395 | Healthy | Drug: Metformin and nizatidine|Drug: Metformin | University of California, San Francisco|National Institute of General Medical Sciences (NIGMS) | Phase 1 | 2011-09-01 | 2014-04-09 |
| NCT01161927 | Healthy | Drug: Nizatidine|Drug: Axid | Dr. Reddy's Laboratories Limited | Phase 1 | 2004-07-01 | 2010-07-13 |
| NCT02232308 | Gastroparesis | Drug: Nizatidine|Drug: Lisinopril|Drug: Placebo | Adil Bharucha|National Center for Research Resources (NCRR)|National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)|Mayo Clinic | Phase 1 | 2014-07-01 | 2015-04-28 |
| NCT00373334 | Gastroesophageal Reflux Disease|GERD|Heartburn | Drug: nizatidine (axid)|Drug: nizatidine (axid)|Drug: placebo | Braintree Laboratories | Phase 3 | 2006-08-01 | 2009-11-17 |
| NCT00486005 | Schizophrenia | Drug: Olanzapine Hydrochloride|Drug: Nizatidine|Drug: Placebo | Eli Lilly and Company | Phase 4 | 2003-02-01 | 2007-06-11 |
| NCT02703896 | Pulmonary Aspiration of Gastric Contents | Drug: Drug either PPIS or H2RA and prokinetics|Procedure: orogastric intubation | King Saud University | Phase 4 | 2012-01-01 | 2016-03-08 |
| NCT02951715 | Hearing Loss, Noise-Induced|Tinnitus, Noise Induced|Zinc Deficiency | Drug: zinc gluconate | Chang Gung Memorial Hospital|Chang Gung University | | 2013-12-01 | 2016-10-31 |
| NCT02555852 | Gastroesophageal Reflux Disease (GERD)|Community-acquired Pneumonia | Drug: esomeprazole|Drug: omeprazole|Drug: pantoprazole|Drug: lansoprazole|Drug: rabeprazole|Drug: cimetidine|Drug: ranitidine|Drug: famotidine|Drug: nizatidine|Drug: niperotidine|Drug: roxatidine|Drug: ranitidine bismuth citrate|Drug: lafutidine|Drug: cimetidine combinations|Drug: famotidine combinations | Canadian Network for Observational Drug Effect Studies, CNODES|Drug Safety and Effectiveness Network, Canada|Canadian Institutes of Health Research (CIHR) | 2011-09-01 | 2015-09-18 |
