| abstract |
The present invention relates to cyclic ketones represented by the following formula <CHEM> and to drugs in which an effective component is such a cyclic ketone or a pharmacologically acceptable salt thereof. The cyclic ketones of the present invention encourage the production of blood platelets, leukocytes and erythrocytes, and can be employed in the prevention or treatment of cytopaenia brought about by cancer chemotherapy, radiotherapy or drug therapy, or by immunological abnormality, anaemia and the like. |