4-Hydroxyandrostenedione: A new treatment for postmenopausal patients with breast cancer

Coombes, R.C.arles; Hughes, S., W.M.; Dowsett, M., 1992: 4-Hydroxyandrostenedione: A new treatment for postmenopausal patients with breast cancer. European Journal of Cancer 28A(12): 1941-1945

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Coombes, R.C.; Hughes, S.W.; Dowsett, M., 1992: 4-hydroxyandrostenedione: a new treatment for postmenopausal patients with breast cancer. We have evaluated 4-hydroxyandrostenedione, a specific inhibitor of aromatase, as treatment for breast cancer in a phase I dose-ranging study and a phase II study of the best-tolerated dose. 168 postmenopausal patients with locally advanced and me...

Coombes, R.C., 1992: 4-Hydroxyandrostenedione treatment for postmenopausal patients with breast cancer. Patients (186) with locally advanced or metastatic breast cancer were treated with the aromatase inhibitor 4-hydroxyandrostenedione given parenterally at 3 different doses. 21% of patients responded to treatment, 93% of objective responders whose...

Coombes, R.C.; Goss, P.E.; Dowsett, M.; Hutchinson, G.; Cunningham, D.; Jarman, M.; Brodie, A.M., 1987: 4-Hydroxyandrostenedione treatment for postmenopausal patients with advanced breast cancer. We have treated 128 postmenopausal women with advanced breast cancer with 4-hydroxyandrostenedione. Of these, 118 were assessable for toxicity and 100 for response to treatment. Response to therapy was seen in 34% of patients and stabilization of...

Coombes, R.C.; Goss, P.; Dowsett, M.; Gazet, J.C.; Brodie, A., 1984: 4-Hydroxyandrostenedione in treatment of postmenopausal patients with advanced breast cancer. 4-hydroxyandrostenedione, a potent inhibitor of the aromatase (oestrogen synthetase) system, was given to 11 patients with metastatic breast cancer. After a single 500 mg intramuscular injection a sustained reduction of serum oestradiol was observ...

Bajetta E.; Zilembo N.; Buzzoni R.; Mosconi A.; Bartoli C.; Attili A.; Secreto G.; Bichisao E.; Boracchi P., 1990: Treatment of metastatic breast cancer mbc in postmenopausal patients with 4 hydroxyandrostenedione 4 oha cgp 32 349. Journal of Cancer Research & Clinical Oncology 116(SUPPL PART 1): 395

Bajetta, E.; Zilembo, N.; Buzzoni, R.; Noberasco, C.; Celio, L.; Bichisao, E., 1993: Efficacy and tolerability of 4-hydroxyandrostenedione as first-line treatment in postmenopausal patients with breast cancer after adjuvant therapy. Cancer Treatment Reviews 19(SUPPL B): 31-36

Bajetta, E.; Zilembo, N.; Buzzoni, R.; Noberasco, C.; Celio, L.; Bichisao, E., 1993: Efficacy and tolerability of 4-hydroxyandrostenedione (4-OHA) as first-line treatment in postmenopausal patients with breast cancer after adjuvant therapy. Aromatase inhibitors are known to be effective in the treatment of advanced postmenopausal breast cancer. To assess the efficacy of the aromatase inhibitor 4-hydroxyandrostenedione (4-OHA) as first-line treatment in patients who were either resist...

Höffken, K.; Jonat, W.; Possinger, K.; Kölbel, M.; Kunz, T.; Wagner, H.; Becher, R.; Callies, R.; Friederich, P.; Willmanns, W., 1990: Aromatase inhibition with 4-hydroxyandrostenedione in the treatment of postmenopausal patients with advanced breast cancer: a phase II study. Estrogen deprivation by aromatase inhibition is an effective treatment in breast cancer. Between October 1986 and March 1988, 91 postmenopausal patients with advanced breast cancer entered a phase II study performed jointly in three center to inve...

Stein, R.C.; Dowsett, M.; Hedley, A.; Davenport, J.; Gazet, J.C.; Ford, H.T.; Coombes, R.C., 1990: Treatment of advanced breast cancer in postmenopausal women with 4-hydroxyandrostenedione. 4-Hydroxyandrostenedione (4-OHA), a new specific aromatase inhibitor, was used to treat 57 postmenopausal women with advanced breast cancer at a dose of 250 mg by i.m. injection every 2 weeks; 55 women were assessable for response. In all, 18 pati...

Mehta A.; King N.; Dowsett M.; Smith I.E.; Powles T.J.; Coombes R.C., 1989: Endocrine pharmacology of oral 4 hydroxyandrostenedione in postmenopausal breast cancer patients. Journal of Endocrinology 123(SUPPL): 153