A Relative Bioavailability Study of FOR-6219 in Capsule and Tablet Formulations

Inclusion Criteria: * Female participants between 45 and 65 years (inclusive) at screening * Female participants must be either naturally (spontaneously) post-menopausal: Natural (spontaneous) postmenopause is defined as being amenorrheic for at least 12 months without an alternative medical cause with a screening follicle stimulating hormone level \>25.8 IU/L and 17β-oestradiol serum levels less than 183 pmol/L (or the local laboratory levels for post-menopause) OR Must have had a bilateral oophorectomy/bilateral salpingo-oophorectomy. Hysterectomised women can be included only if they have had bilateral oophorectomy. * Participants not taking hormone replacement therapy (HRT). * Has a body weight between 50kg and 100kg inclusive and a body mass index (BMI) between 18.5-30.0 kg/m\^2 inclusive. * Satisfactory medical assessment with no clinically significant or relevant abnormalities as determined by medical history, physical examination, vital signs, 12-lead ECG, and clinical laboratory evaluation (haematology, biochemistry, coagulation and urinalysis) that is reasonably likely to interfere with the participant's participation in or ability to complete the study as assessed by the investigator. * Ability to provide written, personally signed, and dated informed consent to participate in the study, in accordance with the ICH Good Clinical Practice (GCP) Guideline E6 (R2) (2016) and applicable regulations, before completing any study-related procedures. * Ability to swallow t…