Multicenter Study to Evaluate the Efficacy and Safety of Metoclopramide Nasal Spray in Men With Diabetic Gastroparesis

Diabetic men with clinical symptoms attributed to diabetic gastroparesis and documentation of delayed gastric emptying who meet the protocol-specified entry criteria will be randomized to Metoclopramide Nasal Spray 10 mg or placebo administered as a single intranasal spray four (4) times daily; 30 minutes before meals and at bedtime for a total of four (4) weeks.

Inclusion criteria

• Male subjects between the ages of 18 and 75 years
• Willingness and ability to give written informed consent
• The ability to read, understand and speak English
• Prior diagnosis of Type 1 or Type 2 diabetes
• Diagnosis of diabetic gastroparesis with confirmation of delayed gastric emptying
• A mean daily gastroparesis symptom score of ≥1.4 and ≤3.5 prior to randomization
• Willingness to discontinue current treatment for diabetic gastroparesis and to avoid all proscribed (excluded) medications, as specified by the protocol, for the duration of the study

Exclusion criteria

• Gastric bypass, gastric banding, gastric pacemaker, post surgical causes of gastroparesis and disorders known to be associated with abnormal gastrointestinal motility
• A history of allergic or adverse responses, including, but not limited to, acute dystonic reactions and tardive dyskinesia, to metoclopramide or any comparable or similar product
• A history of, or physical findings suggestive of, tardive dyskinesia
• A history of epilepsy or currently using and unwilling or unable stop other drugs known to be associated with extrapyramidal reactions at screening
• Malignancy (with the exception of treated squamous cell or basal cell carcinoma of the skin) currently present, initially diagnosed or recurring within five (5) years of screening
• Renal dysfunction calculated as creatinine clearance (CrCl) <40 mL/min at screening
• Hemoglobin A1c >11.5% at screening