Ovarian cancer
A trial to find out whether maintenance hormonal therapy after chemotherapy and surgery can increase survival of estrogen receptor or progesterone receptor positive high grade ovarian cancer patients.
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Registry summary (technical)
A phase III randomized study of first line maintenance Hormonal therapy versus observation in patients with estrogen or progesterone receptor positive High grade epithelial Ovarian cancer after completion of primary treatment with surgery and platinum based chemotherapy - H2O
Sponsor: Tata Memorial Centre
CTRI/2023/06/053500 on CTRI, India's trial registry
Source: Clinical Trials Registry – India (CTRI), via WHO ICTRP, data of 12 Oct 2026
Last updated on the registry 30 Mar 2026 · read by us 5 Nov 2026