Hormones are the natural outcomes segregated by our glands present in our the body - system. This network is known as Endocrene - system. With regard to treatment of Cancer, some medicines are administered to block the effects Hormones known as Hormone- therapy. Doctors use the Hormone - therapy for the patients having Hormone- sensitivities such as Breast - cancer, Prostate - cancer, Ovarian - cancer, Womb - cancer and Kidney - cancer etc.
Relating to your question in respect of growth, hormone - therapy can be employed but this should be done under the strict supervision of the specialist keeping in view of the side - effects associated with it.
There are a few tips how the Hormone - therapy is employed in the manifestation of different diseases-
1) Breast - cancer- Tamoxifen, LH blockers, Aromatase- inhibitors are used depending upon the severity of the cases. Such treatments have yielded positive result.
2) Prostate - cancer - The main aim is to arrest / stop the growth of the cancerous cells. There are different types of therapies such as LH blockers, Antiandrogens etc in order to handle the disease and we have achieved satisfactory results with such therapies.
3) Kidney - cancer- Kidney cancer can be treated with a tablet known as Provera but now the Specialists use the Biological - therapies for its better effectivity.
All such treatments should be done under the supervision of the specialists so that the side - effects can be prevented.