Assessing the PK of Met DR, Met IR, and Met XR in Healthy Subjects

Inclusion Criteria

• 19 to 65 (inclusive) years old at Visit 1 (Screening)
• Male, or if female and met all of the following criteria:
• Not breastfeeding
• Negative pregnancy test result at Visit 1 (Screening) (not applicable to hysterectomized females)
• Surgically sterile, postmenopausal, or if of childbearing potential, practiced and was willing to continue to practice appropriate birth control during the entire duration of the study
• Body mass index (BMI) of 25.0 to 35.0 kg/m² (inclusive) at Visit 1 (Screening)
• Had a physical examination with no clinically significant abnormalities as judged by the investigator
• Had normal renal function with an estimated glomerular filtration rate (eGFR) ≥90 mL/min/1.73 m² based on the Modification of Diet in Renal Disease (MDRD) equation
• Ability to understand and willingness to adhere to protocol requirements

Exclusion Criteria

• Had a clinically significant medical condition as judged by the investigator that could potentially affect study participation and/or personal well-being, including but not limited to the following conditions:
• Hepatic disease
• Gastrointestinal disease
• Endocrine disorder (including diabetes and impaired glucose tolerance)
• Cardiovascular disease
• Central nervous system diseases
• Psychiatric or neurological disorders
• Organ transplantation
• Chronic or acute infection
• Orthostatic hypotension, fainting spells or blackouts
• Allergy or hypersensitivity
• Had any chronic disease requiring medication that was adjusted in the past 90 days (subjects could take acute intermittent over-the-counter medications such as Tylenol, if needed)
• Had major surgery of any kind within 6 months of Visit 1 (Screening)
• Had a history of >6 kg weight change within 3 months of Visit 1 (Screening)
• Had clinical laboratory test (clinical chemistry, hematology, or urinalysis) abnormalities judged by the investigator to be clinically significant at Visit 1 (Screening)
• Had a physical, psychological, or historical finding that, in the investigator's opinion, would make the subject unsuitable for the study
• Had any drug treatment that affects gastric pH (prescription or over-the-counter), including any antacids or medications such as Rolaids or Pepcid within 2 days of Visit 1 (Screening)
• Currently abused drugs or alcohol or had a history of abuse that in the investigator's opinion would cause the individual to be noncompliant with study procedures
• Smoked more than 10 cigarettes per day, 3 cigars per day, 3 pipes per day, used more than 1 can of smokeless tobacco per week, or used a combination of tobacco products that approximate nicotine doses equivalent to 10 cigarettes per day
• Had donated blood within 3 months of the date of the first dose of randomized study medication, or was planning to donate blood during the study
• Had received any investigational drug within 2 months (or five half-lives of the investigational drug, whichever was greater) of the date of the first dose of randomized study medication
• Had known allergies or hypersensitivity to any component of study treatment
• Was employed by Elcelyx Therapeutics, Inc (that is an employee, temporary contract worker, or designee of the company)