Ovarian cancer can indeed be a very difficult and aggressive cancer. Oleander has had success against ovarian cancer. If time permits, I will try to find some success stories to share, but I am running way behind and the Yahoo Oleandersoup group's search feature leaves much to be desired when trying to find specific items in the 35,000 or so posts that have been made there.
In general, if it were me I would try to do as much as possible in the comprehensive natural anti-cancer protocol we suggest for the group (http://www.tbyil.com/anticancer.htm) and would also take a look at the items in this article about ovarian cancer:
Natural Help for Ovarian Cancer