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  • American Society of Clinical Oncology (ASCO)  (15)
  • 1
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 41, No. 16_suppl ( 2023-06-01), p. e12584-e12584
    Abstract: e12584 Background: Most chemotherapeutics can improve responses to immune checkpoint inhibitors (ICI) by increased immunogenicity. Anthracycline(AC), taxane(T) and platinum (CDDP) has most direct cytotoxic effect in neoadjuvant chemotherapy (NAC) of triple negative breast cancer (TNBC), but which one deserve the most immunostimulatory activity linked to their capacity of to kill cancer cell still unknown. Methods: A total of 91 patients with complete data of size measurement by ultrasound (US) were identified for the study from 363 consecutive TNBC patients received NAC between November 2010 to August 2022. They were divided into 3 groups. The 1st group patients received AC first, then T with CDDP, 2nd group in reverse sequence (T and CDDP first) and 3rd group, sequence as group 2 but adding ICI (pembrolizumab). Tumors size measured by US before chemotherapy, after 1st and after 2nd regimen of chemotherapy. Percentage of size reduction of tumor maximal diameter (cm), surface area (transverse x longitudinal diameter, cm 2 ) and volume (measured by 1/6 p x transverse x longitudinal x height cm 3 ) were calculated. Statistically significant was calculated using the Mann-Whitney U test for percentage of size reduction and Pearson's chi-squared test for pCR rate, p-value 〈 0.05 was considered significant. Results: There were 14, 56 and 21 patients in group 1, 2 and 3, respectively. The significant difference of pathologic complete response rates 7.1%, 44.6% and 76.2% in each group as shown. The volume, surface area and maximal tumor size reduction percentage after 1st regimen chemotherapy in group 1 (AC), group 2 (T+CDDP) and group 3 (ICI+T+CDDP) were -67.24, -55.43, -31.13; -85.45, -72.13, -45.61 and -87.13, -69.75, -45.02, respectively, and size reduction after 2nd regimen chemotherapy in group 2 (AC) were, -42.19, -30.19, -21.13; and group 3 (ICI+AC) were -77.78, -50.76, -30.65; respectively. A statistical non-significant trend of greater size reduction in ICI+ AC than AC alone was found. Conclusions: The study is the first, direct evidence demonstrated the synergistic effect of size reduction after NAC for TNBC with AC and ICI, but not T. It supports the potential benefit of combining chemotherapy with immunotherapy such as Tonic trial reported. [Table: see text]
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2023
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  • 2
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 41, No. 16_suppl ( 2023-06-01), p. 537-537
    Abstract: 537 Background: Fatigue is one of the most common symptoms of breast cancer (BC) patients who are receiving adjuvant chemotherapy. Astragalus Polysaccharides (PG2) had been proved to relieve cancer-related fatigue in advanced BC patients. The aim of this study is to evaluate the efficacy of PG2 as a complementary treatment among stage II/III BC patients with adjuvant chemotherapy of epirubicin-cyclophosphamide(EC) regimen in reduction of chemotherapy-induced toxicity and encouraging compliance with chemotherapy. Methods: This double blind, multicenter, phase II trial randomized stage II/III BC patients who would receive adjuvant EC at least 4 cycles to either PG2 500 mg or placebo on day1, 3, 8 every 21 days as the combination. Changes in chemotherapy-related fatigue score (CRFS) was evaluated by the Brief Fatigue Inventory-Taiwanese Form and incidence of Grade 3/4 neutropenia were the primary endpoints. Results: A total of 66 eligible patients were enrolled and equally randomized to PG2 and placebo groups, 30 cases in each group completed this trial. In general, there was no significant difference in the mean change of CRFS and fatigue intensity between the groups. But the CRFS and fatigue intensity in premenopausal-PG2 group were less aggravated after 4 cycles of EC than that of postmenopausal-placebo group. Persisted significance difference in CRFSs from cycle 1 day 5 (PG2: 0.6; Placebo: 1.9, P = 0.023) to cycle 4 day 15 (PG2: -0.3; Placebo: 0.7, P = 0.002). In all population, a lower proportion of patients suffered from grade 3/4 neutropenia from cycle 1 to cycle 4 were observed in the PG2 group compared to the placebo group (78.8% vs. 87.9% in intent-to-treat population). Conclusions: PG2 combined with adjuvant EC significantly improved adjuvant EC-induced fatigue in premenopausal BC patients. PG2 assists these patients with maintaining normal daily life and job activities, also less need of family support during chemotherapy. Furthermore, patients treated with PG2 might have better compliance to complete the whole course of adjuvant chemotherapy. Clinical trial information: NCT03314805 .
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2023
    detail.hit.zdb_id: 2005181-5
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  • 3
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 41, No. 18 ( 2023-06-20), p. 3339-3351
    Abstract: Efficacy and safety of niraparib + AAP for first-line treatment in patients with HRR+ mCRPC.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2023
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  • 4
    Online Resource
    Online Resource
    American Society of Clinical Oncology (ASCO) ; 2015
    In:  Journal of Clinical Oncology Vol. 33, No. 15_suppl ( 2015-05-20), p. e17730-e17730
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 33, No. 15_suppl ( 2015-05-20), p. e17730-e17730
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2015
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  • 5
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 33, No. 20 ( 2015-07-10), p. 2303-2310
    Abstract: Adenocarcinoma is the most dominant type of lung cancer in never-smoker patients. The risk alleles from genome-wide association studies have small odds ratios and unclear biologic roles. Here we have taken an approach featuring suitable medical actionability to identify alleles with low population frequency but high disease-causing potential. Patients and Methods Whole-genome sequencing was performed for a family with an unusually high density of lung adenocarcinoma with available DNA from the affected mother, four affected daughters, and one nonaffected son. Candidate risk alleles were confirmed by matrix-assisted laser desorption ionization time of flight mass spectroscopy. Validation was conducted in an external cohort of 1,135 participants without cancer and 1,312 patients with lung adenocarcinoma. Family follow-ups were performed by genotyping the relatives of the original proband and the relatives of the identified risk-allele carriers. Low-dose computed tomography scans of the chest were evaluated for lung abnormalities. Results YAP1 R331W missense mutation from the original family was identified and validated in the external controls and the cohort with lung adenocarcinoma. The YAP1 mutant-allele carrier frequency was 1.1% in patients with lung adenocarcinoma compared with 0.18% in controls (P = .0095), yielding an odds ratio (adjusted for age, sex, and smoking status) of 5.9. Among the relatives, YAP1-mutant carriers have overwhelmingly higher frequencies of developing lung adenocarcinoma or ground-glass opacity lung lesions than those who do not carry the mutation (10:0 v 1:7; P 〈 .001). YAP1 mutation was shown to increase the colony formation ability and invasion potential of lung cancer cells. Conclusion These results implicated YAP1 R331W as an allele predisposed for lung adenocarcinoma with high familial penetrance. Low-dose computed tomography scans may be recommended to this subpopulation, which is at high risk for lung cancer, for personalized prevention and health management.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    RVK:
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2015
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  • 6
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 39, No. 15_suppl ( 2021-05-20), p. e16165-e16165
    Abstract: e16165 Background: Immunotherapy with checkpoint inhibitors (ICI) is a promising treatment for unresectable hepatocellular carcinoma (HCC), but lack of effective biomarker to predict treatment response. Gut microbiome could modulate tumor response to immunotherapy in melanoma; but its effects on HCC are still unclear. Methods: From May 2018 to April 2020, 94 patients received ICI treatment for unresectable HCC (uHCC) in Taipei Veterans General Hospital, the feces samples were prospectively collected before ICI treatment. Finally, 20 patients with radiology proven objective tumor responses (OR; 3 complete responses and 17 partial responses) following immunotherapy, and 21 randomly selected patients with progressive disease (PD) were enrolled for fecal microbiota and metabolites investigation. In addition, feces from 17 healthy volunteers were taken as normal control. Results: Although the alpha diversity was not significantly different among groups, the principal component analysis of Bray-Curtis distance showed a significant clustering of fecal microbiota between HCC patients and healthy volunteers. The significant bacterial dissimilarity was observed between OR and PD patients following immunotherapy (p = 0.016 and 0.019 by Anoism and Adonis tests, respectively). According to linear discriminant analysis (LDA) effect size (LEfSe), a prominence of Prevotella usually regarded as a pathogenic bacterium, was more abundant in HCC patients with PD to ICI treatment. While Veillonella, Lachnospiraceae, Lachnoclostridium, Lactobacillales, Streptococcaceae and Ruminococcaceae were predominant in patients with OR (LDA score [log10] 〉 3). In addition, primary bile acids, including murocholic acid, α and β-muricholic acids, and secondary bile acids, including ursodeoxycholic acid, ursocholic acid, tauro-ursodeoxycholic acid, and taurohyocholic acid were significantly dominant in the feces of patients with OR to ICI treatment. Correlation network analysis in patients with OR showed significant linkages between Lachnoclostridium, Ruminococcus and secondary bile acids. Conclusions: Fecal microbiota and bile acids are associated with the response to immunotherapy for uHCC patients. These findings highlight the potential role of microbiota as a biomarker and strategy to enhance response to immunotherapy by modifying gut microbiota for uHCC.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2021
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  • 7
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 37, No. 15_suppl ( 2019-05-20), p. e12101-e12101
    Abstract: e12101 Background: The pathologic complete response (pCR) after neoadjuvant chemotherapy (NAC) correlates with better outcome in specific subtype of breast cancer and the axillary nodal pCR (N-pCR) rate are more common than breast pCR (B-pCR). While only a few studies to compare the survival in terms of B-pCR and N-pCR, and no study compare between the outcome for those non pCR either in breast or axillary node. Methods: A cohort of 968 cytologically proved nodal metastatic breast cancer (cT1~4N1~2) received NAC in a single medical center between 2005~2017 were analyzed retrospectively. NAC regimen included anthracycline and taxanes in all patients, Trastuzumab was used in 308(70.3%) HER2(+) patients. The percentage of both breast and axillary pCR (T-pCR) 、B-pCR and N-pCR were compared in different subtypes. The impact of T-pCR、B-pCR and N-pCR to DFS and OS were analyzed using univariate and multivariate Cox proportional hazard model. Results: The median follow-up time was 45 months. The median age was 49 years old, average tumor size was 4.2cm, and 543 (56.1%) patients were N1 disease. 382(39.5%) patients were HR(+) HER2(-), 222(22.9%)were HR(+)HER2(+),216(22.3%) were HR(-)HER2(+) and 148(15.3%) were HR(-)HER2(-). After NAC, T-pCR was found in 213 (22.0%) patients, B-pCR and N non-pCR in 31 patients, N-pCR and B non-pCR in 245 patients and T non-pCR in 479 patients. N-pCR rate(47.3%) were significantly higher than B-pCR(25.2%) and this trend found in all subtypes ( P 〈 0.0001).The predicting factors of N-pCR were N1,HER2(+) and HR(-). In survival analysis the pCR (either T,B or N) patients had significantly better 5-year DFS and OS than non- pCR(T-pCR v.s T non-pCR, DFS,85.1% v.s 58.4%;OS,91.2% v.s 73.6%,p 〈 0.0001). B-non pCR had a significant better DFS than T non Pcr(65.1% v.s 58.4%,p=0.041) and non- significant. Cox better 5-year OS(78.9% v.s73.6%,p=0.059). Cox regression model demonstrated that T4,N2,grade 3, HR(-) and T non-pCR were poor prognostic factors in DFS and OS. Conclusions: The study demonstrated higher N-pCR rates than B-pCR in all subtypes after NAC, either T-pCR;B-pCR or N-pCR were associated with better outcome than non pCR. The worst outcome found in those T non-pCR or N non-pCR.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    RVK:
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2019
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  • 8
    Online Resource
    Online Resource
    American Society of Clinical Oncology (ASCO) ; 2013
    In:  Journal of Clinical Oncology Vol. 31, No. 15_suppl ( 2013-05-20), p. e15151-e15151
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 31, No. 15_suppl ( 2013-05-20), p. e15151-e15151
    Abstract: e15151 Background: The plasma CgA level is a reliable biomarker in diagnosing neuroendocrine tumors.The objective of this study is to correlate both the baseline value and the dynamic changes of plasma CgA level with disease status in Asian patients with advanced GEP-NET. Methods: Fifty-four patients with advanced GEP-NET were retrospectively evaluated between April 2010 and December 2012 in a single institution. Plasma CgA level and abdominal CT scan were obtained at diagnosis as a baseline and subsequently every 3 to 6 months after starting antitumor therapy.Statistical analysis of plasma CgA level was performed to predict the hazard ratio of clinical outcomes and also to correlate antitumor therapy responses with Response Evaluation Criteria in Solid Tumors Criteria 1.1. Results: Forty-six patients (85%) had elevated baseline CgA level. Twenty-one patients (39%) died at the end of the study with the medial follow-up duration of 292 days (range 12-992 days). Patients with baseline CgA level less than 2-fold of upper normal limit (UNL) had longer overall survival time than those with more than 2-fold of UNL (not reach vs. 272 days, hazard ratio = 0.39, 95% CI 0.15-0.99). Baseline CgA level less than 2-fold of UNL was still a favorable prognostic factor after adjusted for other variables (hazard ratio = 0.30, 95% CI 0.10-0.89). Twenty-eight patients with a total of 81 measurements of serial plasma CgA were available. An increase of plasma CgA level less than 15% predicted favorable antitumor response with a sensitivity of 86% and specificity of 91% (area under curve of receiving operating characteristics curves was 0.94). Conclusions: Baseline plasma CgA level and its dynamic change are useful values to predict clinical outcomes and antitumor responses in patients with GEP-NET.Baseline CgA level and serial measurements during antitumor therapy in patients with GEP-NET should be taken to assess their clinical outcomes.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2013
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  • 9
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 37, No. 15_suppl ( 2019-05-20), p. 4030-4030
    Abstract: 4030 Background: Gastric cancer is the 5th most common cancer and the 3rd leading cause of cancer deaths. HER2/neu is overexpressed in 15% - 25% of patients with gastric cancer. Monoclonal antibodies against HER2/neu are effective but alternatives are needed due to cost and global availability. IMU-131 is a B-cell peptide vaccine composed of a fusion of 3 epitopes from the extracellular domain of HER2/neu conjugated to CRM197 with the adjuvant Montanide. Polyclonal antibodies against IMU-131 peptides elicit antitumor activity in vitro and a phase I study demonstrated safety and immunogenicity in Her-2 +/++ breast cancer patients. Methods: IMU-131 was given to patients with HER2/neu overexpressing gastric or gastroesophageal junction (GEJ) adenocarcinoma in an international open-label Phase 1b dose escalation trial performed in 14 Asian and Eastern European sites assessing safety, tolerability, and immunogenicity. Each patient received IMU-131 on Days 0, 14, and 35, accompanied by cisplatin and 5-fluorouracil or capecitabine every 21 days. Results: 14 patients were enrolled with advanced stage IIIb or IV with 10 HER2 overexpressing tumors (7 x HER2+++, 3 x HER2++ FISH positive) and 4 HER2++ expressing tumors. Mean age was 57 yo (range of 21 - 79) with ECOG scores of 0 or 1 in 7 patients each. There were 9 Asian and 5 Caucasian patients with 5 females and 9 males. Dose levels were 0.1, 0.3 and 0.5 mg with 3, 6, and 5 patients receiving those dose levels each. 11 patients received all 3 doses with 3 patients who received only 2 doses due to disease progression and 2 patients received a dose on day 182. Of the 14 patients dosed 11 were evaluable for tumor progression at day 56 and later. Of those patients, the best response was 1 CR, 4 PR,5 SD and 1 PD. In the 0.1 mg dose group the best response was 1 CR and 2 SD, with 2 PR, 2 SD and 1 PD in the 0.3 mg group and 2 PR and 1 SD in the 0.5 mg group. In patients with HER2 overexpression there was 1 CR, 4 PR, 2 SD and 1 PD, and in patients with HER2++ expression there was 3 SD. There were no SAEs related to IMU-131 and 1 patient had a mild injection site reaction. Conclusions: IMU-131 is a promising B-Cell vaccine against HER2. Further work in a controlled phase 2 trial is ongoing. Clinical trial information: NCT02795988.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2019
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  • 10
    Online Resource
    Online Resource
    American Society of Clinical Oncology (ASCO) ; 2015
    In:  Journal of Clinical Oncology Vol. 33, No. 15_suppl ( 2015-05-20), p. e17706-e17706
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 33, No. 15_suppl ( 2015-05-20), p. e17706-e17706
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2015
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