Hydroxyprogesterone caproate
（重定向自Delalutin）
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Hydroxyprogesterone caproate (INN, USAN, JAN), or 17α-hydroxyprogesterone caproate, also known as hydroxyprogesterone hexanoate (BANM), marketed under brand names including Delalutin, Proluton, Makena, Prodrox, Hylutin, and many others, is a steroidal progestin (that is, a synthetic progestogen) and 17α-hydroxyprogesterone derivative that is related to other derivatives of 17α-hydroxyprogesterone such as medroxyprogesterone acetate and megestrol acetate. It is an ester of 17α-hydroxyprogesterone formed from caproic acid (hexanoic acid).