To evaluate the influence of treatment on health-related quality of life (HRQoL) in 919 women with recurrent ovarian cancer enrolled in the TRINOVA-1 study, a randomized, placebo-controlled phase 3 study that demonstrated that trebananib 15 mg/kg QW plus weekly paclitaxel significantly improved PFS compared with placebo plus weekly paclitaxel (7.2 versus 5.4 months; hazard ratio, 0.66; 95% CI, 0.57-0.77; P<0.001).
HRQoL was assessed with the Functional Assessment of Cancer Therapy-Ovary (FACT-O; comprising FACT-G and the ovarian cancer-specific subscale [OCS]) and EuroQOL EQ-5D instruments before treatment on day 1 of weeks 1, 5, 9, 13, 17, and every 8 weeks thereafter and at the safety follow-up visit. A pattern-mixture model was used to evaluate influence of patient dropout on FACT-O and OCS scores over time.
834 of 919 randomized patients (91%) had a baseline and ≥1 post-baseline HRQoL assessment. At baseline, scores for all instruments were similar for both arms. At 25 weeks mean±SD changes from baseline were negligible, with mean±SD changes typically <1 unit from baseline: -2.4±16.6 in the trebananib arm and -1.6±15.2 in the placebo arm for FACT-O, -0.71±5.5 in the trebananib arm and -0.86±4.9 in the placebo arm for OCS, and -0.02±0.22 in the trebananib arm and 0.02±0.19 in the placebo arm for EQ-5D. Distribution of scores was similar between treatment arms at baseline and over the course of the study. In pattern-mixture models, there was no evidence that patient dropout affected differences in mean FACT-O or OCS scores. Edema had limited effect on either FACT-O or OCS scores in patients with grade ≥2 edema or those with grade 1 or no edema.
Our results demonstrate that the improvement in PFS among patients in the trebananib arm in the TRINOVA-1 study was achieved without compromising HRQoL.
© The Author 2016. Published by Oxford University Press on behalf of the European Society for Medical Oncology. All rights reserved. For permissions, please email: [email protected].

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