A Study to Evaluate the Efficacy and Safety of CIN-102 (Deudomperidone) in Adult Subjects With Idiopathic Gastroparesis.

Key Inclusion Criteria:

• Is a male or female ≥18 years of age;
• Has a current diagnosis of gastroparesis defined by the following:

• Persistent gastrointestinal (GI) symptoms that, in the opinion of the Investigator, are consistent with gastroparesis within 6 months prior to Screening; and
• Documented delayed gastric emptying as determined by gastric emptying breath test (GEBT) at Visit 2.
• Body mass index between 17 and 49 kg/m2, inclusive;
• If receiving treatment with a Food and Drug Administration (FDA)-approved and marketed glucagon-like peptide-1 receptor agonist (GLP-1RA) for weight loss or reduce risk of major adverse cardiovascular events, and/or, receiving any other agent(s) taken for weight loss, subjects may be considered for the study if ALL of the following criteria are satisfied:

• Is not taking the agent(s) for the management of diabetes or blood glucose;
• Has been on a stable dose of the agent(s) for at least 3 months before Screening and is expected to maintain the same dose throughout the study, including during GEBT;
• Is tolerating the agent(s) well, according to the Investigator's judgment;
• In the opinion of the Investigator, the study-qualifying signs/symptoms of gastroparesis are NOT solely due to the the agent(s); and
• Symptoms of gastroparesis were present before starting the agent(s).

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Key Exclusion Criteria:

• Has a known primary cause of gastroparesis (eg, diabetes, surgery; acute, ongoing, or active viral illness; cancer, medications, musculoskeletal or connective tissue disorders [eg, scleroderma, systemic lupus erythematosus], or other neurologic disorder [eg, Parkinson's disease], postural orthostatic tachycardia syndrome (POTS), etc.]);
• Has a current diagnosis of Type 1 or Type 2 diabetes, according to the American Diabetes Association. Pre-diabetes is not exclusionary;
• Has been hospitalized for gastroparesis or malnutrition within 3 months prior to Screening;
• Has a known or suspected GI mechanical obstruction (eg, peptic stricture) as documented by upper GI endoscopy, upper GI radiographic series, plain film abdomen X-ray, or computed tomography (CT) in the past 2 years prior to Randomization;
• Has a history of pyloric injection of botulinum toxin within 6 months of Screening or planned injection(s) during the study;
• Has any history of pyloroplasty, pyloromyotomy, or gastric peroral endoscopic myotomy (G-POEM) procedure;
• Has a history of gastric surgery;
• Has a history of or current diagnosis of intestinal malabsorption, recurrent or chronic pancreatitis, or other pancreatic exocrine disease;
• Has a history of severe and refractory constipation;
• Has a history or evidence of clinically significant arrhythmia;
• Currently receiving parenteral feeding or presence of a nasogastric or other gastric enteral tube (e.g. percutaneous endoscopic gastrostomy [PEG] or percutaneous endoscopic jejunostomy [PEJ] tube) for feeding or decompression; Note: patients receiving enteral feeding via a jejunostomy tube may be included if, in the opinion of the Investigator, the patient is also taking substantial oral solid intake and are not primarily dependent on enteral nutrition
• Has a substance use disorder or a positive alcohol or positive drug screen.