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Efficacy, safety and pharmacokinetics of apatinib plus etoposide versus apatinib alone for platinum-resistant recurrent ovarian cancer: protocol of a multicenter, open-label, randomized phase 2 trial.

ABSTRACT: Currently preferred single-agent nonplatinum chemotherapy or its combination with bevacizumab results in a low response rate and modest survival benefit for platinum-resistant recurrent ovarian cancer, and thus more effective regimens are needed. In our previous phase 2 trial, apatinib plus etoposide showed promising efficacy and an acceptable safety profile in platinum-resistant recurrent ovarian cancer patients. Due to the single-arm design, the role of apatinib still needs to be determined. In this phase 2 trial, 54 adult patients with platinum-resistant current ovarian cancer will be recruited at 17 sites in China. Patients with prior administration of small-molecule tyrosine kinase inhibitors or etoposide will be excluded. Patients will be randomized (1:1) to receive apatinib (375 mg, orally, once daily) alone or in combination with etoposide (50 mg, orally on days 1-14 of each 21-day cycle) until disease progression or intolerable toxicity. Randomization will be performed using a computerized central randomization system, stratified by platinum resistance for the first time (yes or no). Imaging examinations will be conducted every 6 weeks. The primary endpoint is the objective response rate (ORR) according to the Response Evaluation Criteria In Solid Tumors (version 1.1), which will be compared between groups using the Cochran-Mantel-Haenszel test. This study will provide prospective data of 2 experimental regimens using a randomized design. It will help determine whether apatinib monotherapy can provide favorable clinical benefits or needs to be combined with chemotherapy to be effective. ClinicalTrials.gov Identifier: NCT04383977. It was registered on May 12, 2020.

SUBMITTER: Hou Z

PROVIDER: S-EPMC10643946 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature

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Efficacy, safety and pharmacokinetics of apatinib plus etoposide versus apatinib alone for platinum-resistant recurrent ovarian cancer: protocol of a multicenter, open-label, randomized phase 2 trial.

Hou Zhiguo Z Lan Chunyan C Huang Xin X Salcedo-Hernández Rosa A RA El-Tawab Sally S

Translational cancer research 20231026 10

<h4>Background</h4>Currently preferred single-agent nonplatinum chemotherapy or its combination with bevacizumab results in a low response rate and modest survival benefit for platinum-resistant recurrent ovarian cancer, and thus more effective regimens are needed. In our previous phase 2 trial, apatinib plus etoposide showed promising efficacy and an acceptable safety profile in platinum-resistant recurrent ovarian cancer patients. Due to the single-arm design, the role of apatinib still needs ...[more]

PMID: 37969395

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Project description:PurposeImmune checkpoint inhibitors combined with antiangiogenic therapy reportedly have potential synergistic antitumor activity. We investigated the activity and safety of this regimen for recurrent/metastatic nasopharyngeal carcinoma (NPC).MethodsThis single-arm, Simon two-stage study enrolled patients with recurrent/metastatic NPC who were refractory to at least first-line systemic therapy and treatment-naive to immune checkpoint inhibitors. The patients received camrelizumab 200 mg once every 3 weeks and apatinib 250 mg once per day. The primary end point was the objective response rate. Key secondary end points included disease control rate, progression-free survival, duration of response, overall survival, and safety.ResultsBetween October 14, 2020, and December 23, 2021, 58 patients were enrolled, and all were included in the efficacy and safety analysis set. The objective response rate was 65.5% (95% CI, 51.9 to 77.5), and the disease control rate was 86.2% (95% CI, 74.6 to 93.9). The median duration of response was not reached, and the median progression-free survival was 10.4 months (95% CI, 7.2 to 13.6), with a median follow-up duration of 12.4 months (range, 2.1-19.9 months). Treatment-related adverse events (TRAEs) of grade 3 or higher were reported in 34 (58.6%) patients, with the most common being hypertension (19.0%), nasopharyngeal necrosis (15.5%), headache (12.1%), AST elevation (10.3%), and creatine phosphokinase elevation (10.3%). Sixteen (27.6%) patients discontinued apatinib treatment before progression because of unbearable TRAEs, and the most common complication was nasopharyngeal necrosis (9/16; 56.3%). Recurrent nasopharyngeal lesions (odds ratio, 5.94 [95% CI, 1.45 to 24.24]) and reirradiation (odds ratio, 5.33 [95% CI, 1.15 to 24.79]) were significantly positively correlated with nasopharyngeal necrosis.ConclusionCamrelizumab plus apatinib had promising antitumor activity in patients with refractory recurrent/metastatic NPC who failed first-line therapy. Moderate to severe TRAEs were experienced by 58.6%, including nasopharyngeal necrosis associated with local recurrence and a history of reirradiation.

Project description:ImportanceThere are substantial unmet therapeutic needs in patients with platinum-resistant recurrent ovarian cancer (PROC), and novel therapeutic strategies should be explored.ObjectiveTo evaluate the efficacy and safety of treatment with apatinib (a vascular endothelial growth factor receptor 2 tyrosine kinase inhibitor) plus pegylated liposomal doxorubicin (PLD) for PROC.Design, setting, and participantsThe APPROVE trial was performed as an open-label, randomized clinical trial at 11 hospitals in China between March 22, 2018, and November 16, 2020. Patients with histologically confirmed ovarian cancer who had experienced disease progression during or within 6 months of discontinuing any prior line of treatment with platinum-based chemotherapy were eligible. This primary analysis was based on data that were current as of January 28, 2021.InterventionsPatients received PLD alone (40 mg/m2, intravenously, every 4 weeks, for up to 6 cycles) or PLD plus apatinib (250 mg, orally, daily).Main outcomes and measuresThe primary end point was progression-free survival (PFS) by Response Evaluation Criteria in Solid Tumours (RECIST), version 1.1, in the intent-to-treat population.ResultsIn total, 152 female patients were randomized, with 78 (51.3%) in the apatinib plus PLD group (median age, 54 years; range, 22-76 years) and 74 (48.7%) in the PLD group (median age, 56 years; range, 33-72 years). The median follow-up duration was 8.7 months (IQR, 4.7-14.1 months). The median PFS was 5.8 months (95% CI, 3.8-8.8) for treatment with apatinib plus PLD vs 3.3 months (95% CI, 2.1-3.8) for PLD (hazard ratio, 0.44; 95% CI, 0.28-0.71; P < .001). The median overall survival was 23.0 months (95% CI, 18.9 to not reached) with treatment with apatinib plus PLD vs 14.4 months (95% CI, 12.1-23.4) with PLD (hazard ratio, 0.66; 95% CI, 0.40-1.09). The most frequent grade 3 or higher treatment-emergent adverse events were decreased neutrophil counts (11 [14.9%] in the apatinib plus PLD group vs 6 [8.3%] in the PLD group), hypertension (6 [8.1%] vs none), and decreased white blood cell count (5 [6.8%] vs 3 [4.2%]). Two patients receiving treatment with apatinib plus PLD experienced grade 2 fistulas.Conclusions and relevanceThis randomized clinical trial found that treatment with apatinib plus PLD showed promising efficacy and manageable toxic effects in patients with PROC and may be a new alternative treatment option in this setting.Trial registrationClinicaltrials.gov Identifier: NCT04348032.

Project description:BackgroundHigh-grade serous ovarian cancers show increased replication stress, rendering cells vulnerable to ATR inhibition because of near universal loss of the G1/S checkpoint (through deleterious TP53 mutations), premature S phase entry (due to CCNE1 amplification, RB1 loss, or CDKN2A mRNA downregulation), alterations of homologous recombination repair genes, and expression of oncogenic drivers (through MYC amplification and other mechanisms). We hypothesised that the combination of the selective ATR inhibitor, berzosertib, and gemcitabine could show acceptable toxicity and superior efficacy to gemcitabine alone in high-grade serous ovarian cancer.MethodsIn this multicentre, open-label, randomised, phase 2 study, 11 different centres in the US Experimental Therapeutics Clinical Trials Network enrolled women (aged ≥18 years) with recurrent, platinum-resistant high-grade serous ovarian cancer (determined histologically) and Eastern Cooperative Oncology Group performance status of 0 or 1, who had unlimited previous lines of cytotoxic therapy in the platinum-sensitive setting but no more than one line of cytotoxic therapy in the platinum-resistant setting. Eligible patients were randomly assigned (1:1) to receive intravenous gemcitabine (1000 mg/m2) on day 1 and day 8, or gemcitabine plus intravenous berzosertib (210 mg/m2) on day 2 and day 9 of a 21-day cycle until disease progression or intolerable toxicity. Randomisation was done centrally using the Theradex Interactive Web Response System, stratified by platinum-free interval, and with a permuted block size of six. Following central randomisation, patients and investigators were not masked to treatment assignment. The primary endpoint was investigator-assessed progression-free survival, and analyses included all patients who received at least one dose of the study drugs. The study is registered with ClinicalTrials.gov, NCT02595892, and is active but closed to enrolment.FindingsBetween Feb 14, 2017, and Sept 7, 2018, 88 patients were assessed for eligibility, of whom 70 were randomly assigned to treatment with gemcitabine alone (36 patients) or gemcitabine plus berzosertib (34 patients). At the data cutoff date (Feb 21, 2020), the median follow-up was 53·2 weeks (25·6-81·8) in the gemcitabine plus berzosertib group and 43·0 weeks (IQR 23·2-69·1) in the gemcitabine alone group. Median progression-free survival was 22·9 weeks (17·9-72·0) for gemcitabine plus berzosertib and 14·7 weeks (90% CI 9·7-36·7) for gemcitabine alone (hazard ratio 0·57, 90% CI 0·33-0·98; one-sided log-rank test p=0·044). The most common treatment-related grade 3 or 4 adverse events were decreased neutrophil count (14 [39%] of 36 patients in the gemcitabine alone group vs 16 [47%] of 34 patients in the gemcitabine plus berzosertib group) and decreased platelet count (two [6%] vs eight [24%]). Serious adverse events were observed in ten (28%) patients in the gemcitabine alone group and nine (26%) patients in the gemcitabine plus berzosertib group. There was one treatment-related death in the gemcitabine alone group due to sepsis and one treatment-related death in the gemcitabine plus berzosertib group due to pneumonitis.InterpretationTo our knowledge, this is the first randomised study of an ATR inhibitor in any tumour type. This study shows a benefit of adding berzosertib to gemcitabine in platinum-resistant high-grade serous ovarian cancer. This combination warrants further investigation in this setting.FundingUS National Cancer Institute.

Project description:BackgroundPatients with extensive-stage small-cell lung cancer (ES-SCLC) have a particularly poor prognosis. And the treatment options for patients with relapsed or refractory ES-SCLC are limited. Thus, we conducted an open-label, multicenter, single-arm phase II clinical trial to assess the efficacy and safety of apatinib plus etoposide capsules as the third- or further-line treatment in ES-SCLC patients.MethodsPatients with ES-SCLC who experienced disease progression following 2 to 3 previous therapies from 11 medical centers in China were enrolled to receive apatinib (250 mg/d, continuously) and etoposide capsules (50 mg/d, on day 1-21, per 28 days). The treatment continued until disease progression, treatment intolerance, or death. The primary endpoint was progression-free survival (PFS), and the secondary endpoints were objective response rate (ORR), overall survival (OS), and safety.ResultsFifty-six patients with relapsed or refractory ES-SCLC were enrolled from January 2018 to February 2020 and 53 of them were eventually included in the evaluation population. The median follow-up was 9.8 months. At the data cut-off time (March 5, 2020), 39 patients (74%) had died and 44 (83%) had progressed. The median PFS was 3.0 months (95% CI, 2.1-3.9) and the median OS was 5.0 months (95% CI, 3.6-6.4). No complete responses were seen. Eleven patients (21%) showed a best response of partial response and 37 (70%) patients achieved stable disease. The ORR was 20.8% (11/53), and the disease control rate (DCR) was 90.6% (48/53). The 6-month OS rate was 40.1% (95% CI, 26.2-54). After 12 months, the OS rate was 18.4% (95% CI, 4.7-32.1). Possible treatment-related grade III/IV adverse events included leukopenia [8 (15.1%)], neutropenia [7 (13.2%)], anemia [4 (7.4%)], and hand-foot syndrome [2 (3.8%)]. During the study, no mortality occurred as a consequence of treatment.ConclusionsApatinib combined with etoposide capsules exhibits efficacy and has an acceptable safety profile. It could be used as a later-line treatment for ES-SCLC patients who have been heavily pretreated with standard therapies. Further exploration of apatinib combined with etoposide capsules in phase III trials is warranted.

Dataset Information

Efficacy, safety and pharmacokinetics of apatinib plus etoposide versus apatinib alone for platinum-resistant recurrent ovarian cancer: protocol of a multicenter, open-label, randomized phase 2 trial.

Publications

Efficacy, safety and pharmacokinetics of apatinib plus etoposide versus apatinib alone for platinum-resistant recurrent ovarian cancer: protocol of a multicenter, open-label, randomized phase 2 trial.

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