Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-59057
Perren, T J; Swart, A M; Pfisterer, J; Ledermann, J A; Pujade-Lauraine, E; Kristensen, G; Carey, M S; Beale, P; Cervantes, A; Kurzeder, C; du Bois, A; Sehouli, J; Kimmig, R; Stähle, A; Collinson, F; Essapen, S; Gourley, C; Lortholary, A; Selle, F; Mirza, M R; Leminen, A; Plante, M; Stark, D; Qian, W; Parmar, M K B; Oza, A M (2011). A phase 3 trial of bevacizumab in ovarian cancer. New England Journal of Medicine, 365(26):2484-2496.
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Background: Angiogenesis plays a role in the biology of ovarian cancer. We examined the effect of bevacizumab, the vascular endothelial growth factor inhibitor, on survival in women with this disease.
Methods: We randomly assigned women with ovarian cancer to carboplatin (area under the curve, 5 or 6) and paclitaxel (175 mg per square meter of body-surface area), given every
3 weeks for 6 cycles, or to this regimen plus bevacizumab (7.5 mg per kilogram of body weight), given concurrently every 3 weeks for 5 or 6 cycles and continued for 12 additional cycles or until progression of disease. Outcome measures included progressionfree survival, first analyzed per protocol and then updated, and interim overall survival.
Results: A total of 1528 women from 11 countries were randomly assigned to one of the two treatment regimens. Their median age was 57 years; 90% had epithelial ovarian cancer,69% had a serous histologic type, 9% had high-risk early-stage disease, 30% were at high risk for progression, and 70% had stage IIIC or IV ovarian cancer. Progressionfree
survival (restricted mean) at 36 months was 20.3 months with standard therapy,as compared with 21.8 months with standard therapy plus bevacizumab (hazard ratio
for progression or death with bevacizumab added, 0.81; 95% confidence interval,0.70 to 0.94; P = 0.004 by the log-rank test). Nonproportional hazards were detected (i.e., the treatment effect was not consistent over time on the hazard function scale) (P<0.001), with a maximum effect at 12 months, coinciding with the end of planned bevacizumab treatment and diminishing by 24 months. Bevacizumab was associated with more toxic effects (most often hypertension of grade 2 or higher) (18%, vs. 2% with chemotherapy alone). In the updated analyses, progression-free survival (restricted mean) at 42 months was 22.4 months without bevacizumab versus 24.1 months with bevacizumab (P = 0.04 by log-rank test); in patients at high risk for progression,
the benefit was greater with bevacizumab than without it, with progression-free survival (restricted mean) at 42 months of 14.5 months with standard therapy alone and
18.1 months with bevacizumab added, with respective median overall survival of 28.8 and 36.6 months.
Conclusions: Bevacizumab improved progression-free survival in women with ovarian cancer. The benefits with respect to both progression-free and overall survival were greater
among those at high risk for disease progression. (Funded by Roche and others; ICON7 Controlled-Trials.com number, ISRCTN91273375.)
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|Item Type:||Journal Article, refereed, original work|
|Communities & Collections:||04 Faculty of Medicine > University Hospital Zurich > Clinic for Gynecology|
|DDC:||610 Medicine & health|
|Deposited On:||17 Feb 2012 12:51|
|Last Modified:||30 Dec 2013 02:49|
|Publisher:||Massachusetts Medical Society|
|ISSN:||0028-4793 (P) 1533-4406 (E)|
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