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Data on prior pegylated liposomal doxorubicin (PLD) treatment in recurrent ovarian cancer: Post-hoc data analysis from the phase 3 randomized, open-label study comparing trabectedin and PLD versus PLD alone in patients with recurrent ovarian cancer.

ABSTRACT: The data presented herein are supplementary to our published primary article "A phase 3 randomized, open-label, multicenter trial for safety and efficacy of combined trabectedin and pegylated liposomal doxorubicin therapy for recurrent ovarian cancer"[1]. The exploratory analysis evaluated the impact of prior pegylated liposomal doxorubicin (PLD) therapy in patients who participated in a randomized, open-label study comparing combination therapy of trabectedin and PLD vs PLD alone in third-line recurrent ovarian cancer (ROC). These exploratory analyses showed that prior treatment with PLD in ROC does not impact the response and survival rates nor does it increase toxicities or negatively influence survival and response rates in both treatment groups.

SUBMITTER: Monk BJ

PROVIDER: S-EPMC7178483 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Data on prior pegylated liposomal doxorubicin (PLD) treatment in recurrent ovarian cancer: Post-hoc data analysis from the phase 3 randomized, open-label study comparing trabectedin and PLD versus PLD alone in patients with recurrent ovarian cancer.

Monk Bradley J BJ Herzog Thomas J TJ Wang George G Triantos Spyros S Maul Scott S Knoblauch Roland R McGowan Tracy T Shalaby Waleed S W WSW Coleman Robert L RL

Data in brief 20200320

The data presented herein are supplementary to our published primary article "A phase 3 randomized, open-label, multicenter trial for safety and efficacy of combined trabectedin and pegylated liposomal doxorubicin therapy for recurrent ovarian cancer"[1]. The exploratory analysis evaluated the impact of prior pegylated liposomal doxorubicin (PLD) therapy in patients who participated in a randomized, open-label study comparing combination therapy of trabectedin and PLD vs PLD alone in third-line ...[more]

PMID: 32346557

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Project description:BackgroundIn recent years, pegylated liposomal doxorubicin (PLD) has been widely used to improve the survival of patients with ovarian cancer; however, it is unclear whether the combinational use of PLD with other drugs is more effective. Therefore, this meta-analysis aimed to confirm the efficacy and safety of trabectedin, combined with PLD, in the treatment of recurrent ovarian cancer.MethodsData corresponding to all eligible clinical trials as of May 15, 2022, was retrieved using several electronic retrieval databases including PubMed, Medical Literature Analysis and Retrieval System Online (MEDLINE), ClinicalTrials.gov, Excerpta Medica Database (EMBASE) and Cochrane Library clinical controlled trials (CENTRAL). Comprehensive hazard ratios (HRs), risk ratios (RRs), and 95% confidence intervals (CIs) were calculated using the Review Manager software 5.4 (RevMan 5.4).ResultsFrom two phase III randomized controlled trials, 1248 patients with recurrent ovarian cancer were included in this meta-analysis. Results of meta-analysis revealed that trabectedin, combined with PLD chemotherapy, significantly improved overall survival (OS) in patients with BReast CAncer gene (BRCA)-associated recurrence (HR, 0.49; 95% CI, [0.33-0.73]; P = 0.0004) and platinum-sensitive recurrence whose platinum-free interval (PFI) was 6-12 months (HR, 0.66; 95% CI, [0.52-0.84]; P = 0.0005). In addition, compared with PLD alone, combination therapy significantly improved the progression-free survival (PFS) in patients with recurrent ovarian cancer (HR, 0.86; 95% CI, [0.74-0.99]; P = 0.03). Combination therapy also significantly improved PFS in patients with BRCA-associated recurrence (HR, 0.58; 95% CI, [0.40-0.58]; P = 0.004), and platinum-sensitive recurrence (HR, 0.73; 95% CI, [0.56-0.95]; P = 0.02). Trabectedin combined with PLD was more prone to grade 3-4 toxic side effects than PLD alone (P < 0.05); however, fatal adverse events related to non-toxic side effects occurred.ConclusionTrabectedin combined with PLD significantly improves OS and PFS in patients with BRCA-associated and platinum-sensitive recurrent ovarian cancers. The potential use of trabectedin combined with PLD should be selected according to the PFI and BRCA mutation status of patients.

Project description:PurposeThe noninterventional, prospective NIMES-ROC phase IV study (NCT02825420) evaluated trabectedin plus pegylated liposomal doxorubicin (PLD) in real-life clinical practice.Patients and methodsEligible participants included adults with platinum-sensitive recurrent ovarian cancer (PS-ROC) who had received one or more cycles of trabectedin/PLD before inclusion according to the marketing authorization. The primary endpoint was progression-free survival (PFS) according to investigator criteria.ResultsTwo hundred eighteen patients from five European countries were evaluated, 72.5% of whom were pretreated with at least two prior chemotherapy lines and received a median of six cycles of trabectedin/PLD (range: 1-24). Median PFS was 9.46 months (95% confidence interval [CI], 7.9-10.9), and median overall survival (OS) was 23.56 months (95% CI, 18.1-34.1). Patients not pretreated with an antiangiogenic drug obtained larger median PFS (p < .007) and OS (p < .048), largely owning to differences between the two populations. Twenty-four patients (11.0%) had a complete response, and 57 patients (26.1%) achieved a partial response for an objective response rate (ORR) of 37.2%. Fifty-nine patients (27.1%) had disease stabilization for a disease control rate of 64.2%. No statistically significant difference in PFS, OS, or ORR was observed by BRCA1/2 status and platinum sensitivity. Most common grade 3/4 adverse events (AEs) were neutropenia (30.3%), anemia (6.4%), thrombocytopenia (5.5%), and asthenia (5.0%). No deaths attributed to treatment-related AEs or unexpected AEs occurred.ConclusionThe combination of trabectedin/PLD represents a clinically meaningful and safe option for patients with PS-ROC regardless of prior treatment with an antiangiogenic drug, being comparable with previously observed outcomes in selected and less pretreated patients from clinical trials.Implications for practiceThis noninterventional, prospective study, conducted in 57 reference sites across Europe, consistently confirmed that trabectedin plus pegylated liposomal doxorubicin (PLD) in routine clinical practice represents a clinically meaningful and safe option for women with platinum-sensitive recurrent ovarian cancer. Although the study population represented a heterogeneous, older, and more pretreated population than those in prospective clinical trials, the combination of trabectedin plus PLD induced comparable clinical benefits, with a similar and manageable safety profile. Overall, these findings show that trabectedin in combination with PLD maintains antitumor activity when administered to heavily pretreated patients in real-life clinical practice.

Dataset Information

Data on prior pegylated liposomal doxorubicin (PLD) treatment in recurrent ovarian cancer: Post-hoc data analysis from the phase 3 randomized, open-label study comparing trabectedin and PLD versus PLD alone in patients with recurrent ovarian cancer.

Publications

Data on prior pegylated liposomal doxorubicin (PLD) treatment in recurrent ovarian cancer: Post-hoc data analysis from the phase 3 randomized, open-label study comparing trabectedin and PLD versus PLD alone in patients with recurrent ovarian cancer.

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