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  • Title: Efficacy and safety of AEZS-108 (INN: zoptarelin doxorubicin acetate) an LHRH agonist linked to doxorubicin in women with platinum refractory or resistant ovarian cancer expressing LHRH receptors: a multicenter phase II trial of the ago-study group (AGO GYN 5).
    Author: Emons G, Gorchev G, Sehouli J, Wimberger P, Stähle A, Hanker L, Hilpert F, Sindermann H, Gründker C, Harter P.
    Journal: Gynecol Oncol; 2014 Jun; 133(3):427-32. PubMed ID: 24713545.
    Abstract:
    OBJECTIVES: To evaluate the activity and toxicity of AEZS-108 (Zoptarelin Doxorubicin Acetate) an LHRH agonist linked to doxorubicin in women with platinum refractory or resistant ovarian cancer expressing LHRH receptors. METHODS: Women with epithelial ovarian, fallopian tube or primary peritoneal cancer, expressing LHRH receptors were eligible for this trial, when they had progression during treatment with a platinum based regimen or within 6months after receiving a platinum based regimen and a previous taxane treatment. At least one measurable target lesion (RECIST) or CA-125 levels higher than twice the upper limit of normal range (GCIG-criteria) were required. Patients received AEZS-108 (267mg/m(2) equimolar to 76.8mg/m(2) of free doxorubicin) every 3weeks as a two hour i.v. infusion. RESULTS: Fifty-five of 59 (93%) of ovarian cancer samples screened expressed LHRH receptors. 42 patients were enrolled in this study and received at least 1 infusion of AEZS-108 (ITT population). Of these 42 patients 6 (14.3%) had a partial response, 16 (38%) stable disease, 16 (38%) progressive disease and 4 patients were not evaluable. Median time to progression was 12weeks (95% CI: 8-20weeks), and median overall survival was 53weeks (95% CI: 39-73weeks). Toxicity profile was favorable. CONCLUSION: AEZS-108 has a clinical activity in platinum refractory/resistant ovarian cancer which seems to be comparable to that of pegylated liposomal doxorubicin or to topotecan. Toxicity was comparably low. These data support the concept of a targeted chemotherapy for tumors expressing LHRH receptors.
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