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  • Online Resource  (7)
  • American Association for Cancer Research (AACR)  (7)
  • 1
    Online Resource
    Online Resource
    Cediranib in Combination with Olaparib in Patients without a Germline BRCA1/2 Mutation and with Recurrent Platinum-Resistant Ovarian Cancer: Phase IIb CONCERTO Trial
    American Association for Cancer Research (AACR) ; 2022
    In:  Clinical Cancer Research Vol. 28, No. 19 ( 2022-10-03), p. 4186-4193
    Details
    In: Clinical Cancer Research, American Association for Cancer Research (AACR), Vol. 28, No. 19 ( 2022-10-03), p. 4186-4193
    Abstract: The efficacy, safety, and tolerability of cediranib plus olaparib (cedi/ola) were investigated in patients with nongermline–BRCA-mutated (non-gBRCAm) platinum-resistant recurrent ovarian cancer. Patients and Methods: PARP inhibitor–naïve women aged ≥18 years with platinum-resistant non-gBRCAm ovarian cancer, ECOG performance status of 0–2, and ≥3 prior lines of therapy received cediranib 30 mg once daily plus olaparib 200 mg twice daily in this single-arm, multicenter, phase IIb trial. The primary endpoint was objective response rate (ORR) by independent central review (ICR) using RECIST 1.1. Progression-free survival (PFS), overall survival (OS), and safety and tolerability were also examined. Results: Sixty patients received cedi/ola, all of whom had confirmed non-gBRCAm status. Patients had received a median of four lines of chemotherapy; most (88.3%) had received prior bevacizumab. ORR by ICR was 15.3%, median PFS was 5.1 months, and median OS was 13.2 months. Forty-four (73.3%) patients reported a grade ≥3 adverse event (AE), with one patient experiencing a grade 5 AE (sepsis), considered unrelated to the study treatment. Dose interruptions, reductions, and discontinuations due to AEs occurred in 55.0%, 18.3%, and 18.3% of patients, respectively. Patients with high global loss of heterozygosity (gLOH) had ORR of 26.7% [4/15; 95% confidence interval (CI), 7.8–55.1], while ORR was 12.5% (4/32; 95% CI, 3.5–29.0) in the low gLOH group. Conclusions: Clinical activity was shown for the cedi/ola combination in heavily pretreated, non-gBRCAm, platinum-resistant patients with ovarian cancer despite failing to meet the target ORR of 20%, highlighting a need for further biomarker studies.
    Type of Medium: Online Resource
    ISSN: 1078-0432 , 1557-3265
    URL: Article
    DOI: 10.1158/1078-0432.CCR-21-1733
    RVK:
    XA 36791
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2022
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  • 2
    Online Resource
    Online Resource
    Mutations in Homologous Recombination Genes and Outcomes in Ovarian Carcinoma Patients in GOG 218: An NRG Oncology/Gynecologic Oncology Group Study
    American Association for Cancer Research (AACR) ; 2018
    In:  Clinical Cancer Research Vol. 24, No. 4 ( 2018-02-15), p. 777-783
    Details
    In: Clinical Cancer Research, American Association for Cancer Research (AACR), Vol. 24, No. 4 ( 2018-02-15), p. 777-783
    Abstract: Purpose: We hypothesized that mutations in homologous recombination repair (HRR) genes beyond BRCA1 and BRCA2 improve outcomes for ovarian carcinoma patients treated with platinum therapy and would impact the relative benefit of adding prolonged bevacizumab. Experimental Design: We sequenced DNA from blood and/or neoplasm from 1,195 women enrolled in GOG-0218, a randomized phase III trial in advanced ovarian carcinoma of bevacizumab added to carboplatin and paclitaxel. Defects in HRR were defined as damaging mutations in 16 genes. Proportional hazards models were used to estimate relative hazards for progression-free survival (PFS) and overall survival (OS). Results: Of 1,195 women with ovarian carcinoma, HRR mutations were identified in 307 (25.7%). Adjusted hazards for progression and death compared with those without mutations were lower for women with non-BRCA HRR mutations [HR = 0.73; 95% confidence interval (CI), 0.57–0.94; P = 0.01 for PFS; HR = 0.67; 95% CI, 0.50–0.90; P = 0.007 for OS] and BRCA1 mutations (HR = 0.80; 95% CI, 0.66–0.97; P = 0.02 for PFS; HR = 0.74; 95% CI, 0.59–0.94; P = 0.01 for OS) and were lowest for BRCA2 mutations (HR = 0.52; 95% CI, 0.40–0.67; P & lt; 0.0001 for PFS; HR = 0.36; 95% CI, 0.25–0.53; P & lt; 0.0001 for OS). A test of interaction showed no difference in the effect of bevacizumab on PFS between cases with and without mutations. Conclusions: HRR mutations, including non-BRCA genes, significantly prolong PFS and OS in ovarian carcinoma and should be stratified for in clinical trials. The benefit of adding bevacizumab was not significantly modified by mutation status. Clin Cancer Res; 24(4); 777–83. ©2017 AACR.
    Type of Medium: Online Resource
    ISSN: 1078-0432 , 1557-3265
    URL: Article
    DOI: 10.1158/1078-0432.CCR-17-1327
    RVK:
    XA 36791
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2018
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  • 3
    Online Resource
    Online Resource
    Predictive Blood-Based Biomarkers in Patients with Epithelial Ovarian Cancer Treated with Carboplatin and Paclitaxel with or without Bevacizumab: Results from GOG-0218
    American Association for Cancer Research (AACR) ; 2020
    In:  Clinical Cancer Research Vol. 26, No. 6 ( 2020-03-15), p. 1288-1296
    Details
    In: Clinical Cancer Research, American Association for Cancer Research (AACR), Vol. 26, No. 6 ( 2020-03-15), p. 1288-1296
    Abstract: GOG-0218, a double-blind placebo-controlled phase III trial, compared carboplatin and paclitaxel with placebo, bevacizumab followed by placebo, or bevacizumab followed by bevacizumab in advanced epithelial ovarian cancer (EOC). Results demonstrated significantly improved progression-free survival (PFS), but no overall survival (OS) benefit with bevacizumab. Blood samples were collected for biomarker analyses. Experimental Design: Plasma samples were analyzed via multiplex ELISA technology for seven prespecified biomarkers [IL6, Ang-2, osteopontin (OPN), stromal cell–derived factor-1 (SDF-1), VEGF-D, IL6 receptor (IL6R), and GP130]. The predictive value of each biomarker with respect to PFS and OS was assessed using a protein marker by treatment interaction term within the framework of a Cox proportional hazards model. Prognostic markers were identified using Cox models adjusted for baseline covariates. Results: Baseline samples were available from 751 patients. According to our prespecified analysis plan, IL6 was predictive of a therapeutic advantage with bevacizumab for PFS (P = 0.007) and OS (P = 0.003). IL6 and OPN were found to be negative prognostic markers for both PFS and OS (P & lt; 0.001). Patients with high median IL6 levels (dichotomized at the median) treated with bevacizumab had longer PFS (14.2 vs. 8.7 months) and OS (39.6 vs. 33.1 months) compared with placebo. Conclusions: The inflammatory cytokine IL6 may be predictive of therapeutic benefit from bevacizumab when combined with carboplatin and paclitaxel. Aligning with results observed in patients with renal cancer treated with antiangiogenic therapies, it appears plasma IL6 may also define those patients with EOC more or less likely to benefit from the addition of bevacizumab to standard chemotherapy.
    Type of Medium: Online Resource
    ISSN: 1078-0432 , 1557-3265
    URL: Article
    DOI: 10.1158/1078-0432.CCR-19-0226
    RVK:
    XA 36791
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2020
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    detail.hit.zdb_id: 2036787-9
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  • 4
    Online Resource
    Online Resource
    New Strategies in Advanced Cervical Cancer: From Angiogenesis Blockade to Immunotherapy
    American Association for Cancer Research (AACR) ; 2014
    In:  Clinical Cancer Research Vol. 20, No. 21 ( 2014-11-01), p. 5349-5358
    Details
    In: Clinical Cancer Research, American Association for Cancer Research (AACR), Vol. 20, No. 21 ( 2014-11-01), p. 5349-5358
    Abstract: Cervical cancer remains unique among solid tumor malignancies. Persistent infection with oncogenic subtypes of the human papillomavirus (HPV) results in carcinogenesis, predominantly occurring at the cervical transformation zone where endocervical columnar cells undergo metaplasia to a stratified squamous epithelium. The molecular cascade involving viral oncoproteins, E6 and E7 and their degradative interactions with cellular tumor suppressor gene products, p53 and pRb, respectively, has been precisely delineated. The precursor state of cervical neoplasia may last for years allowing for ready detection through successful screening programs in developed countries using cervical cytology and/or high-risk HPV DNA testing. Prophylactic HPV L1 capsid protein vaccines using virus-like-particle technology have been developed to prevent primary infection by the most common high-risk HPVs (16 and 18). Women who lack access to health care and those who undergo sporadic screening remain at risk. Although radical surgery (including fertility-sparing surgery) is available for patients with early-stage cancers, and chemoradiation plus high-dose-rate brachytherapy can cure the majority of those with locally advanced disease, patients with metastatic and nonoperable recurrent cervical cancer constitute a high-risk population with an unmet clinical need. On August 14, 2014, the FDA approved the antiangiogenesis drug bevacizumab for women with advanced cervical cancer. This review will highlight advances in translational science, antiangiogenesis therapy and immunotherapy for advanced disease. Clin Cancer Res; 20(21); 5349–58. ©2014 AACR.
    Type of Medium: Online Resource
    ISSN: 1078-0432 , 1557-3265
    URL: Article
    DOI: 10.1158/1078-0432.CCR-14-1099
    RVK:
    XA 36791
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2014
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    detail.hit.zdb_id: 2036787-9
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  • 5
    Online Resource
    Online Resource
    Development of Olaparib for BRCA-Deficient Recurrent Epithelial Ovarian Cancer
    American Association for Cancer Research (AACR) ; 2015
    In:  Clinical Cancer Research Vol. 21, No. 17 ( 2015-09-01), p. 3829-3835
    Details
    In: Clinical Cancer Research, American Association for Cancer Research (AACR), Vol. 21, No. 17 ( 2015-09-01), p. 3829-3835
    Abstract: The FDA approval of the PARP inhibitor olaparib for fourth-line therapy of germline BRCA1/2-mutated ovarian cancer represents the first registered indication for this class of drugs in any disease. PARP is a family of proteins involved in the repair of single-strand DNA breaks. High-grade serous ovarian carcinomas with BRCA deficiencies may be particularly vulnerable to both direct and indirect effects of PARP inhibition. This phenotype frequently arises as a consequence of defects in the repair of damaged DNA, rendering cancer cells susceptible to DNA-damaging platinum compounds and targeted therapies affecting homologous recombination repair (HRR). When cells already deficient in HRR are exposed to PARP inhibitors, apoptosis occurs by way of synthetic lethality. In this review, we trace the clinical development of olaparib for women with recurrent epithelial ovarian carcinoma harboring germline BRCA mutations, a biomarker for HRR deficiency present in 15% to 20% of cases. Clinical trials highlighted include not only those pivotal studies that have led to regulatory approval in the United States and in Europe, but also those in which olaparib was studied in novel combinations, including chemotherapy and antiangiogenesis agents. Clin Cancer Res; 21(17); 3829–35. ©2015 AACR.
    Type of Medium: Online Resource
    ISSN: 1078-0432 , 1557-3265
    URL: Article
    DOI: 10.1158/1078-0432.CCR-15-0088
    RVK:
    XA 36791
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2015
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  • 6
    Online Resource
    Online Resource
    Circulating Tumor Cells In Advanced Cervical Cancer: NRG Oncology—Gynecologic Oncology Group Study 240 (NCT 00803062)
    American Association for Cancer Research (AACR) ; 2020
    In:  Molecular Cancer Therapeutics Vol. 19, No. 11 ( 2020-11-01), p. 2363-2370
    Details
    In: Molecular Cancer Therapeutics, American Association for Cancer Research (AACR), Vol. 19, No. 11 ( 2020-11-01), p. 2363-2370
    Abstract: To isolate circulating tumor cells (CTC) from women with advanced cervical cancer and estimate the impact of CTCs and treatment on overall survival and progression-free survival (PFS). A total of 7.5 mL of whole blood was drawn pre-cycle 1 and 36 days post-cycle 1 from patients enrolled on Gynecologic Oncology Group 0240, the phase III randomized trial that led directly to regulatory approval of the antiangiogenesis drug, bevacizumab, in women with recurrent/metastatic cervical cancer. CTCs (defined as anti-cytokeratin+/anti-CD45− cells) were isolated from the buffy coat layer using an anti-EpCAM antibody-conjugated ferrofluid and rare earth magnet, and counted using a semiautomated fluorescence microscope. The median pre-cycle 1 CTC count was 7 CTCs/7.5 mL whole blood (range, 0–18) and, at 36 days posttreatment, was 4 (range, 0–17). The greater the declination in CTCs between time points studied, the lower the risk of death [HR, 0.87; 95% confidence interval (CI), 0.79–0.95)]. Among patients with high (≥ median) pretreatment CTCs, bevacizumab treatment was associated with a reduction in the hazard of death (HR, 0.57; 95% CI, 0.32–1.03) and PFS (HR, 0.59; 95% CI, 0.36–0.96). This effect was not observed with low ( & lt; median) CTCs. CTCs can be isolated from women with advanced cervical cancer and may have prognostic significance. A survival benefit conferred by bevacizumab among patients with high pretreatment CTCs may reflect increased tumor neovascularization and concomitant vulnerability to VEGF inhibition. These data support studying CTC capture as a potential predictive biomarker.
    Type of Medium: Online Resource
    ISSN: 1535-7163 , 1538-8514
    URL: Article
    DOI: 10.1158/1535-7163.MCT-20-0276
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2020
    detail.hit.zdb_id: 2062135-8
    SSG: 12
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  • 7
    Online Resource
    Online Resource
    Prospective Validation of Pooled Prognostic Factors in Women with Advanced Cervical Cancer Treated with Chemotherapy with/without Bevacizumab: NRG Oncology/GOG Study
    American Association for Cancer Research (AACR) ; 2015
    In:  Clinical Cancer Research Vol. 21, No. 24 ( 2015-12-15), p. 5480-5487
    Details
    In: Clinical Cancer Research, American Association for Cancer Research (AACR), Vol. 21, No. 24 ( 2015-12-15), p. 5480-5487
    Abstract: Purpose: In the randomized phase III trial, Gynecologic Oncology Group (GOG) protocol 240, the incorporation of bevacizumab with chemotherapy significantly increased overall survival (OS) in women with advanced cervical cancer. A major objective of GOG-240 was to prospectively analyze previously identified pooled clinical prognostic factors known as the Moore criteria. Experimental Design: Potential negative factors included black race, performance status 1, pelvic disease, prior cisplatin, and progression-free interval & lt;365 days. Risk categories included low-risk (0–1 factor), mid-risk (2–3 factors), and high-risk (4–5 factors). Each test of association was conducted at the 5% level of significance. Logistic regression and survival analysis was used to determine whether factors were prognostic or could be used to guide therapy. Results: For the entire population (n = 452), high-risk patients had significantly worse OS (P & lt; 0.0001). The HRs of death for treating with topotecan in low-risk, mid-risk, and high-risk subsets are 1.18 [95% confidence interval (CI), 0.63–2.24], 1.11 (95% CI, 0.82–1.5), and 0.84 (95% CI, 0.50–1.42), respectively. The HRs of death for treating with bevacizumab in low-risk, mid-risk, and high-risk subsets are 0.96 (95% CI, 0.51–1.83; P = 0.9087), 0.673 (95% CI, 0.5–0.91; P = 0.0094), and 0.536 (95% CI, 0.32–0.905; P = 0.0196), respectively. Conclusions: This is the first prospectively validated scoring system in cervical cancer. The Moore criteria have real-world clinical applicability. Toxicity concerns may justify omission of bevacizumab in some low-risk patients where survival benefit is small. The benefit to receiving bevacizumab appears to be greatest in the moderate- and high-risk subgroups (5.8-month increase in median OS). Clin Cancer Res; 21(24); 5480–7. ©2015 AACR.
    Type of Medium: Online Resource
    ISSN: 1078-0432 , 1557-3265
    URL: Article
    DOI: 10.1158/1078-0432.CCR-15-1346
    RVK:
    XA 36791
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2015
    detail.hit.zdb_id: 1225457-5
    detail.hit.zdb_id: 2036787-9
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