Inclusion Criteria:  Written informed consent must be obtained Age ≥ 18.0 years and ≤ 55.0 years, male or female BMI between 18.0 and 30.0 kg/m2, inclusive, and weighs at least 50.0 kg No clinically significant findings in medical examination  Exclusion Criteria:  Known hypersensitivity or allergy to lactose Vaccination with any live vaccine, or vaccination employing an mRNA platform within 28 days and/or vaccination with any inactivated vaccine within 7 days of study drug administration Impaired cardiac function including clinically significant arrhythmias or clinically significant abnormality HbA1c > 5.7 % at Screening Subject with a history of severe visual diseases; or visual changes Subject is unable to complete this study for other reasons or the Investigator believes that he or she should be excluded