• Good general health as determined through a review of their medical history and after conducting a general physical examination

• Body weight ≥ 45 to ≤ 120 kg

• Body mass index (BMI) between 18.5 kg/m2 and 35.0 kg/m2

• Non- or ex-smoker (an ex-smoker is defined as someone who completely stopped using nicotine products for at least 90 days prior to the first study drug administration)

• Healthy man or a postmenopausal woman who is ≥ 40 and ≤ 65 years of age OR a postmenopausal woman with or without VMS and who is ≥ 40 and ≤ 65 years of age OR a postmenopausal woman who is ≥ 40 and ≤ 65 years of age seeking treatment for relief for VMS

• If a woman:

‣ has been compliant with local and/or national guidelines for breast cancer screening with documentation of a mammogram with normal/negative or no clinically significant findings. A screening mammogram may be conducted during study screening period, if needed

⁃ has spontaneous amenorrhea for at least 12 consecutive months; or spontaneous amenorrhea for at least 6 months with biochemical criteria of menopause (follicle-stimulating hormone \[FSH\] \> 40 IU/L); or had a bilateral oophorectomy \> 6 weeks prior to screening

• If a man:

‣ possess a testosterone concentration of ≥ 15 nmol/L at the time of screening

⁃ can procreate and agree to use one of the acceptable contraceptive regimens and not to donate sperm from the first study drug administration to at least 90 days after the last drug administration OR is unable to procreate; defined as surgically sterile