Phase 2 trial of docetaxel, gemcitabine, and oxaliplatin combination chemotherapy in platinum- and paclitaxel-pretreated epithelial ovarian cancer

Pegylated liposomal doxorubicin re-challenge in patients with ovarian cancer relapse: a multicenter retrospective study

Background

Pegylated liposomal doxorubicin (PLD) is an active and well-tolerable treatment in ovarian cancer relapse, either alone or in combination with other drugs. No data are available on the possibility to rechallenge PLD treatment in long survivor patients with recurrent ovarian cancer, as evaluated for platinum agent, paclitaxel and gemcitabine. The aim of the present study was to evaluate the anti-tumor activity and the toxicity profile of re-challenge of PLD in recurrent ovarian cancer patients.

Methods

Data on 27 patients with epithelial ovarian cancer treated in the last ten years (2007-2017) with palliative PLD rechallenge were included in this multicenter retrospective Italian study.

Results

The objective response rate to PLD re-treatment were complete response in 19%, partial response in 30% and stable disease in 37%. Only 1 case of G4 hematological toxicity was reported. No patient experienced severe cardiac impairment (G2-4).

Conclusion

PLD rechallenge represents an active and safe possibility of treatment for long survivor ovarian cancer patients.

Trends in treatment during the last stages of life in end-stage gynecologic cancer patients who received active palliative chemotherapy: a comparative analysis of 10-year data in a single institution

BACKGROUND

Palliative chemotherapy should be used with caution when attempting to alleviate symptoms in patients with end-stage cancer. However, palliative chemotherapy continues to be utilized in cancer patients during their last stages of life. In this study, we analyzed the pattern of chemotherapy administered during the last 6 months of life in patients with end-stage gynecologic cancer who were treated with active palliative chemotherapy for the past 10 years.

METHOD

We retrospectively analyzed the data for patients with gynecologic cancer who died after undergoing active palliative chemotherapy without receiving hospice management at Asan Medical Center from 2006 to 2015. Patients were divided into two groups: those who died between 2006 and 2010, and those who died between 2011 and 2015. Based on the electronic medical records, the demographic and baseline characteristics of the patients, hospital admission during the last 6 months, invasive procedures, palliative chemotherapy patterns, and the time of the last chemotherapy session were confirmed.

RESULTS

A total of 193 patients with gynecologic cancer were eligible for this study. 92 patients died during 2006 to 2010, and 101 patients died during 2011 to 2015. The mean frequency of admission during the last 6 months was 5.12 for those who died in 2006-2010 and 6.06 for those who died during 2011-2015 (p = 0.003); similarly, the mean frequency of palliative chemotherapy during the last 6 months was 3.84 (2006-2010) vs. 4.93 times (2011-2015; p < 0.001). The proportion of patients undergoing invasive procedures during the last 3 months was 41.3% (2005-2010) vs. 56.4% (2011-2015; p = 0.044).

CONCLUSIONS

The frequency of palliative chemotherapy and the rate of invasive procedures have increased in patients with end-stage gynecologic cancer who were treated aggressively without hospice management over 2011-2015 when compared to 2006-2010, along with an increase in the mean frequency of admission during the last 6 months at our institution. Gynecologic oncologists need to evaluate whether active palliative chemotherapy is beneficial to patients at the end-of-life stage, and if not helpful, should communicate with the patients and caregivers about when the palliative chemotherapy should be discontinued.

Phase I study of intravenous (IV) docetaxel and intraperitoneal (IP) oxaliplatin in recurrent ovarian and fallopian tube cancer

OBJECTIVE

The primary objective was to define the maximum tolerated dose (MTD) and dose-limiting toxicity (DLT) of IV docetaxel and IP oxaliplatin in women with recurrent ovarian (OV), fallopian tube (FT) or peritoneal (PP) cancer. Secondary objectives included response rate, time to progression, pharmacokinetics (PK) and quality of life (QoL).

METHODS

Patients received docetaxel 75mg/m(2) IV day (d) 1 and oxaliplatin escalating from 50mg/m(2) IP d2 every 3weeks using a 3+3 design. Treatment continued until disease progression, remission, or intolerable toxicity. Plasma and IP samples were taken to determine drug concentrations. MD Anderson Symptom Inventory and symptom interference scale were completed weekly.

RESULTS

Thirteen patients were included. Median number of cycles was 6 (range 1-10). Ten patients had measureable disease. Best response was partial response (PR-2), stable disease (SD-7), and progressive disease (PD-1). Twenty-one Grades 3-4 toxicities were noted, commonly hematologic. Two patients had DLTs: prolonged neutropenia (1) and abdominal pain (1). MTD was d1 docetaxel 75mg/m(2) IV and d2 oxaliplatin 50mg/m(2) IP. Symptom burden peaked week one and returned to baseline by week two of each cycle on dose level 1. Dose level 2 had persistently high symptom burden and interference. At IP oxaliplatin doses of 50mg/m(2), total unbound drug exposure (AUC) averaged 8 times larger and Cmax reached concentrations 50-fold greater in IP fluid compared to plasma.

CONCLUSIONS

Docetaxel 75mg/m(2) IV d1 and oxaliplatin 50mg/m(2) IP d2 is the MTD. Most patients had PR or SD. Patient-reported outcomes demonstrate temporary but tolerable decrements in QoL. IP oxaliplatin provides PK advantages over IV administration.

Pegylated liposomal doxorubicin in the management of ovarian cancer: a systematic review and metaanalysis of randomized trials

Ovarian cancer is the leading cause of death among gynecological tumors. Carboplatin/paclitaxel represents the cornerstone of front-line treatment. Instead, there is no consensus for management of recurrent/progressive disease, in which pegylated liposomal doxorubicin (PLD) ± carboplatin is widely used. We performed a systematic review and metaanalysis to evaluate impact of PLD-based compared with no-PLD-based regimens in the ovarian cancer treatment. Data were extracted from randomized trials comparing PLD-based treatment to any other regimens in the January 2000-January 2013 time-frame. Study end-points were overall survival (OS), progression free survival (PFS), response rate (RR), CA125 response, and toxicity. Hazard ratios (HRs) of OS and PFS, with 95% CI, odds ratios (ORs) of RR and risk ratios of CA125 response and grade 3-4 toxicity, were extracted. Data were pooled using fixed and random effect models for selected endpoints. Fourteen randomized trials for a total of 5760 patients were selected and included for the final analysis, which showed no OS differences for PLD-based compared with other regimens (pooled HR: 0.94; 95% CI: 0.88-1.02; P = 0.132) and a significant PFS benefit of PLD-based schedule (HR: 0.91; 95% CI: 0.86-0.96; P = 0.001), particularly in second-line (HR: 0.85; 95% CI: 0.75-0.91) and in platinum-sensitive (HR: 0.83; 95% CI: 0.74-0.94) subgroups. This work confirmed the peculiar tolerability profile of this drug, moreover no difference was observed for common hematological toxicities and for RR, CA125 response. PLD-containing regimens do not improve OS when compared with any other schedule in all phases of disease. A marginal PFS advantage is observed only in platinum-sensitive setting and second-line treatment.

A phase II trial of oxaliplatin, docetaxel, and bevacizumab as first-line therapy of advanced cancer of the ovary, peritoneum, and fallopian tube

OBJECTIVE

To determine the safety and efficacy of the novel combination of docetaxel, oxaliplatin, and bevacizumab as first-line treatment of advanced cancer of the ovary, peritoneum or fallopian tube after initial debulking surgery.

METHODS

Eligible patients (stage IB-IV) were treated with 6 cycles of oxaliplatin (85 mg/m(2)), docetaxel (75 mg/m(2)), and bevacizumab (15 mg/kg) every 3 weeks, followed by single-agent bevacizumab 15 mg/kg every 3 weeks to complete one year of therapy. The primary endpoint was 12-month progression-free survival (PFS).

RESULTS

A total of 132 patients (80 with measurable disease at baseline; 52 with non-measurable, evaluable disease at baseline) enrolled and received study treatment. At diagnosis, 76.5% of patients had stage III disease and 20% had stage IV. 62.9% were optimally cytoreduced. The most common grade 3/4 adverse events were neutropenia (42.4%), leukopenia (13.6%), hypertension (8.3%), fatigue (6.1%), and nausea (6.1%). One patient (0.8%) had a fatal gastrointestinal perforation. The best overall confirmed response rate (complete response+partial response [measurable disease subgroup]) was 58.6% (95% CI 49%, 67%). CA-125 response rates for the measurable and non-measurable disease subgroups were 83.0% and 81.5%, respectively. The 12-month PFS rate for the measurable disease subgroup was 65.7% (95% CI 53.4%, 76.7%); median PFS was 16.3 (95% CI 12.6, 19.6) months. Median overall survival was 47.3 (95% CI 34.1, upper limit not applicable) months.

CONCLUSIONS

This novel treatment regimen may provide a promising therapeutic approach for women with ovarian, primary peritoneal, or fallopian tube carcinoma. No unanticipated safety concerns were identified.