Abstract:
BACKGROUND:The standard of care for newly diagnosed glioblastoma is maximal safe surgical resection, followed by chemoradiation therapy. We assessed carmustine wafer implantation efficacy and safety when used in combination with standard care. METHODS:Included were adult patients with (n = 354, implantation group) and without (n = 433, standard group) carmustine wafer implantation during first surgical resection followed by chemoradiation standard protocol. Multivariate and case-matched analyses (controlled propensity-matched cohort, 262 pairs of patients) were conducted. RESULTS:The median progression-free survival was 12.0 months (95% CI: 10.7-12.6) in the implantation group and 10.0 months (9.0-10.0) in the standard group and the median overall survival was 20.4 months (19.0-22.7) and 18.0 months (17.0-19.0), respectively. Carmustine wafer implantation was independently associated with longer progression-free survival in patients with subtotal/total surgical resection in the whole series (adjusted hazard ratio [HR], 0.76 [95% CI: 0.63-0.92], P = .005) and after propensity matching (HR, 0.74 [95% CI: 0.60-0.92], P = .008), whereas no significant difference was found for overall survival (HR, 0.95 [0.80-1.13], P = .574; HR, 1.06 [0.87-1.29], P = .561, respectively). Surgical resection at progression whether alone or combined with carmustine wafer implantation was independently associated with longer overall survival in the whole series (HR, 0.58 [0.44-0.76], P < .0001; HR, 0.54 [0.41-0.70], P < .0001, respectively) and after propensity matching (HR, 0.56 [95% CI: 0.40-0.78], P < .0001; HR, 0.46 [95% CI: 0.33-0.64], P < .0001, respectively). The higher postoperative infection rate in the implantation group did not affect survival. CONCLUSIONS:Carmustine wafer implantation during surgical resection followed by the standard chemoradiation protocol for newly diagnosed glioblastoma in adults resulted in a significant progression-free survival benefit.
journal_name
Neuro Oncoljournal_title
Neuro-oncologyauthors
Pallud J,Audureau E,Noel G,Corns R,Lechapt-Zalcman E,Duntze J,Pavlov V,Guyotat J,Hieu PD,Le Reste PJ,Faillot T,Litre CF,Desse N,Petit A,Emery E,Voirin J,Peltier J,Caire F,Vignes JR,Barat JL,Langlois O,Dezamis Edoi
10.1093/neuonc/nov126subject
Has Abstractpub_date
2015-12-01 00:00:00pages
1609-19issue
12eissn
1522-8517issn
1523-5866pii
nov126journal_volume
17pub_type
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