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Title: Randomized, Double-Blind, Placebo-Controlled Phase II Study of AMG 386 Combined With Weekly Paclitaxel in Patients With Recurrent Ovarian Cancer
Authors: Karlan, Beth Y ×
Oza, Amit M
Richardson, Gary E
Provencher, Diane M
Hansen, Vincent L
Buck, Martin
Chambers, Setsuko K
Ghatage, Prafull
Pippitt, Charles H
Brown, John V
Covens, Allan
Nagarkar, Raj V
Davy, Margaret
Leath, Charles A
Nguyen, Hoa
Stepan, Daniel E
Weinreich, David M
Tassoudji, Marjan
Sun, Yu-Nien
Vergote, Ignace #
Issue Date: Dec-2012
Publisher: Grune & Stratton
Series Title: Journal of Clinical Oncology vol:30 issue:4 pages:362-71
Abstract: PURPOSETo estimate the efficacy and toxicity of AMG 386, an investigational peptide-Fc fusion protein that neutralizes the interaction between the Tie2 receptor and angiopoietin-1/2, plus weekly paclitaxel in patients with recurrent ovarian cancer. PATIENTS AND METHODSPatients with recurrent epithelial ovarian, fallopian tube, or primary peritoneal cancer were randomly assigned 1:1:1 to receive paclitaxel (80 mg/m(2) once weekly [QW], 3 weeks on/1 week off) plus intravenous AMG 386 10 mg/kg QW (arm A), AMG 386 3 mg/kg QW (arm B), or placebo QW (arm C). The primary end point was progression-free survival (PFS). Secondary end points included overall survival, objective response, CA-125 response, safety, and pharmacokinetics.ResultsOne hundred sixty-one patients were randomly assigned. Median PFS was 7.2 months (95% CI, 5.3 to 8.1 months) in arm A, 5.7 months (95% CI, 4.6 to 8.0 months) in arm B, and 4.6 months (95% CI, 1.9 to 6.7 months) in arm C. The hazard ratio for arms A and B combined versus arm C was 0.76 (95% CI, 0.52 to 1.12; P = .165). Further analyses suggested an exploratory dose-response effect for PFS across arms (Tarone's test, P = .037). Objective response rates for arms A, B, and C were 37%, 19%, and 27%, respectively. The incidence of grade ≥ 3 adverse events (AEs) in arms A, B, and C was 65%, 55%, and 64%, respectively. Frequent AEs included hypertension (8%, 6%, and 5% in arms A, B, and C, respectively), peripheral edema (71%, 51%, and 22% in arms A, B, and C, respectively), and hypokalemia (21%, 15%, and 5% in arms A, B, and C, respectively). AMG 386 exhibited linear pharmacokinetic properties at the tested doses. CONCLUSIONAMG 386 combined with weekly paclitaxel was tolerable, with a manageable and distinct toxicity profile. The data suggest evidence of antitumor activity and a dose-response effect, warranting further studies in ovarian cancer.
ISSN: 0732-183X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Gynaecological Oncology
× corresponding author
# (joint) last author

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