Androgen receptor antagonist 1 is primarily used in the treatment of conditions related to androgen excess or sensitivity. It is effective in managing prostate cancer by blocking the action of androgens, which are hormones that can promote the growth of cancer cells in the prostate. Additionally, it is utilized in addressing androgenetic alopecia, a common form of hair loss, by inhibiting the hormonal effects that contribute to hair follicle miniaturization. In the field of dermatology, it is also applied to treat acne and hirsutism, conditions often exacerbated by androgen activity. By antagonizing the androgen receptor, this compound helps regulate hormone-driven processes, offering therapeutic benefits in these medical contexts.