Pharmacokinetic, Safety, and Tolerability Study of Intranasally Administered Esketamine in Elderly Japanese, and Healthy Younger Adult Japanese Subjects

Inclusion Criteria

• •A) Cohort 1: Be a Japanese man or woman greater than or equal to (\>=) 65 years of age with at least 4 subjects \>= 70 years of age, who was born in Japan, who has resided outside of Japan for \>= 10 years, with parents and maternal and paternal grandparents who are of Japanese ethnicity. Subjects must be either healthy or present with stable, well-controlled, chronic conditions which frequently occur in the elderly, such as: Hyperlipidemia,Controlled hypertension, Impaired fasting glucose, impaired glucose tolerance, or type 2 diabetes mellitus controlled with diet, and/or metformin monotherapy, dipeptidyl peptidase-4 (DPP-4) inhibitor monotherapy or a combination of metformin and DPP-4 inhibitor, who have glycated hemoglobin (HbA1c) levels \<8 percent (%), Degenerative joint disorders and osteoporosis; B) Cohort 2: Be a healthy Japanese man or woman 20 to 55 years of age, inclusive, who was born in Japan, who has resided outside of Japan for \>= 10 years, and has parents and maternal and paternal grandparents who are of Japanese ethnicity. Each subject will be matched to an elderly subject in Cohort 1 by gender and body weight (+/- 20%) using data collected during Screening
• •Signed an informed consent document indicating they understand the purpose of and procedures required for the study and are willing to participate in the study
• •Willing to adhere to the prohibitions and restrictions specified in this protocol
• •Cohort 2: If a woman, must have a negative serum beta-human chorionic gonadotropin (hCG) pregnancy test at screening and a negative urine pregnancy test on Day -1 of the treatment period. Women using contraceptives must agree to use an additional birth control method during the study and for 1 month after receiving the last dose of study drug
• •If a woman, must agree not to donate eggs (ova, oocytes) for the purposes of assisted reproduction
• •Clinically significant abnormal values for hematology, clinical chemistry, or urinalysis at screening or Day -1 of Period 1 as deemed appropriate by the investigator
• •Clinically significant abnormal physical examination, vital signs, or 12 lead electrocardiogram (ECG) at screening or before the first study drug administration as deemed appropriate by the investigator
• •History of moderate or severe use disorder according to Diagnostic and Statistical Manual of Mental Disorders (5th edition) (DSM-5) criteria within 1 year before screening or positive test result(s) for alcohol and/or drugs of abuse (such as barbiturates, opiates, cocaine, cannabinoids, amphetamines, and benzodiazepines) at screening and Day -1 of the treatment period