Abstract: The present invention relates to the field of medicine, particularly to novel uses of C-19 steroid compounds, more particularly to C-19 steroids having an androsten-3-one structure with specific structural configurations, in particular at the 4- and/or 17-position, for inhibition of cancer cell growth in combination with another anticancer agent or as second or third line treatment. The present invention particularly relates to selected C-19 steroids inhibiting the proliferation of tumor cells expressing an androgen receptor and show only limited sensitivity to other cancer agents such as aromatase inhibitors, androgen receptor antagonists, androgen synthesis inhibitors, chemotherapeutics as well as CDK4/CDK6 inhibitors.

Abstract: The present invention relates to the field of medicine, particularly to novel uses of C-19 steroid compounds having an androsten-17-(OR4)-3-one structure for inhibiting angiogenesis and particularly the proliferation and/or migration of endothelial cells in the treatment of diseases involving a pathological neovascularization and/or excessive regenerative processes.

Abstract: The present invention relates to the field of medicine, particularly to novel uses of C-19 steroid compounds having an androsten-17-(OR4)-3-one structure for inhibiting angiogenesis and particularly the proliferation and/or migration of endothelial cells in the treatment of diseases involving a pathological neovascularization and/or excessive regenerative processes.

Abstract: A method of prophylaxis and/or treatment of mastocarcinoma (i.e., mammary carcinoma) involves the topical application of a therapeutically or prophylactically effective amount of a steroidal aromatase inhibitor locally, and not systemically, to an area of a patient in need of treatment. This local application avoids the side effects associated with systemic use of steroidal aromatase inhibitors.

Abstract: The invention relates to the treatment of wrinkles in the face, wrinkles at open-necked regions, pregnancy strias, and stretched strias on the lower abdomen, thighs or buttocks with a steroidal aromatase inhibitor which also has 5-alpha reductase inhibitor activity which is 4-hydroxyandrostenedione or a derivative thereof.