Clinical Research Directory

Inclusion Criteria: * Wiling to have one teaspoon (5 ml) of blood drawn. * Diagnosed with gastroparesis for twelve months or longer * Diagnosed with diabetes either Type 1 or Type 2 * Documented delayed gastric emptying (\>10% retention of the test meal at four hours) on a standardized scrambled-egg scintigraphy gastric emptying test performed in the last two years. * Upper GI endoscopy indicating no mechanical obstruction performed in the last five years. * Symptoms of nausea and vomiting consistent with clinical diagnosis of gastroparesis (as opposed to other causes of nausea and vomiting such as mechanical obstruction, acute viral illness, chemotherapy, psychogenic vomiting. * Documented Hb A1c within three months of screening or at the time of screening (\<=8.0) Exclusion Criteria: * Unable to provide consent * Pregnant females * Medical records indicate intestinal pseudo-obstruction * Diagnosed with cardiac arrhythmia * History of prior gastric surgery * History of vagotomy * History of organ transplantation * History of seizures * Diagnosed with primary swallowing disorders * Subjects who are dependent on drugs like Marinol for their condition * Those diagnosed with psychogenic vomiting and not related to gastroparesis * Medically unstable subjects * Those at high surgical risk * Subjects taking narcotic analgesics daily. * Those with poorly controlled diabetes mellitus (Hgb A1c\>8) within three months of screening or at the time of screening. * Subjects diagnosed with hemophilia, psoriasis vulgaris are excluded * Those having a cardiac pacemaker will be excluded from the study.