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  • 1
    In: The Lancet, Elsevier BV, Vol. 402, No. 10395 ( 2023-07), p. 27-40
    Type of Medium: Online Resource
    ISSN: 0140-6736
    RVK:
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2023
    detail.hit.zdb_id: 2067452-1
    detail.hit.zdb_id: 3306-6
    detail.hit.zdb_id: 1476593-7
    SSG: 5,21
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  • 2
    Online Resource
    Online Resource
    American Society of Clinical Oncology (ASCO) ; 2019
    In:  Journal of Clinical Oncology Vol. 37, No. 15_suppl ( 2019-05-20), p. e14616-e14616
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 37, No. 15_suppl ( 2019-05-20), p. e14616-e14616
    Abstract: e14616 Background: The Notch pathway has an important role in tumorigenesis in many types of cancer. Clinical trials with Notch inhibitors are ongoing. Recently, Notch pathway has been reported to be part of tumor immunity and patients with NOTCH1 mutations (mut) showed better outcome to PD-1 inhibitors, however, the underlying mechanism is unknown. Methods: Next generation sequencing (NGS) panel of 450 cancer genes was performed on FFPE tissue and matched blood samples from 1341 solid tumors, including hepatocellular carcinoma (HCC, n = 644), esophageal carcinoma (EC, n = 255), breast cancer (BC, n = 175), small cell lung cancer (SCLC, n = 141), head and neck cancer (HNC, n = 77). Notch family gene (NOTCH1/2/3/4) muts were analyzed. Genomic alterations including single base substitution, short and long insertions/deletion, copy number variation, gene fusion and rearrangement were assessed. Tumor mutational burden (TMB) was calculated in all patients by NGS algorithms. TMB high (TMB-H) was defined as TMB values ≥75% tumors in each tumor type. Results: For all patients, Notch family gene mut (substitution/indel/truncation) were found in 27% EC, 19% SCLC, 12% HNC, 6% BC and 5% HCC. The median TMB was 6.1 muts/Mb. In general, tumors with Notch family gene mut had significantly higher median TMB in pan-cancer cohort when compared with tumors without Notch family gene mut (9.2 vs. 6.1 muts/Mb, p 〈 0.001). Specifically, tumors with NOTCH1 mut had higher TMB in HCC (8.5 vs 5.5, p = 0.034), in BC (23.2 vs. 4.6, p = 0.006) and in SCLC (14.0 vs. 9.4, p = 0.002), while NOTCH2 mutant tumors presented higher TMB in HCC (18.5 vs. 5.5, p = 0.026), in EC (14.7 vs. 6.9, p = 0.001) and in SCLC (13.2 vs. 4.6, p = 0.026). We found 65% of NOTCH1 mut were located in epidermal growth factor (EGF)-like repeats domain. Classes of the NOTCH1 mutation type were substitution/indel (non-frameshift) (58%) and truncation (42%), while NOTCH2 mut were 88% and 12%. In TMB-H tumors, substitution/indel is the predominant mutation type of Notch family gene (NOTCH1 61%, NOTCH2 100%). Conclusions: Tumors with Notch family gene mut presented higher TMB in multiple cancer types, indicating a potential strategy for targeted and immunotherapy in NOTCH mutant cancers.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    RVK:
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2019
    detail.hit.zdb_id: 2005181-5
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  • 3
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 39, No. 15_suppl ( 2021-05-20), p. e16041-e16041
    Abstract: e16041 Background: Chemotherapy and PD-1 inhibitor have shown significant clinical benefits in first-line treatment of GC, overall survival was still dismal. The surgical intervention with curative or life prolonging intention was evaluated as feasible for stage IV GC from clinical trials and retrospective cohorts. Our previous study of cytotoxic chemotherapy (S-1 & PTX) in combination with multi-targets anti-angiogenic TKIs illustrated increased response and R0 resection rate. Given the enhanced response from chemo, PD-1 and TKIs regimens, this trial was designed to assess the feasibility of surgical conversion from this combination in stage IV GC. Methods: This is a prospective, single-arm, single-center, phase II trial. Eligible criteria were treatment naïve, histopathologically confirmed stage IV (AJCC8 th ) and ECOG PS 0-1 GC adenocarcinoma. Pts were given with sintilimab (200mg, iv, d1) combined with Nab-PTX (w/o peritoneal spread: 260 mg/m 2 , iv, d1; w/ peritoneal spread: 180 mg/m 2 , iv, d1 and 80 mg/m 2 , ip, d1), S-1 (60mg, po, bid, d1-14), and apatinib (250mg, po, qd) every 3 wks. Tumor response was assessed every 2-4 cycles by radiologic imaging and MDT was employed to determine surgical feasibility. Safety run-in was employed in the first 3+3 pts by DLTs to determine the tolerability. The primary endpoint was ORR and R0 surgical conversion rate. Results: 42 pts were enrolled up to 2/2021. The median follow-up was 3.5m (range 0.7-11.3). The median age was 56 yrs (range 31-72), male was 47.6%, and PS 1 was 31.0%. The metastatic factors were characterized as No.16 lymph nodes 54.8% (23), liver 23.8% (10), peritoneum 40.5% (17), Krukenberg 2.4% (1), and extensive metastases (≥2 organs) 42.9% (18). No DLT occurred in initial 6 pts. Of 36 evaluable pts, ORR was 61.1% and DCR was 97.2%. Surgical conversion was currently identified in 18 pts with 94.4% (17) R0 resection, and the R0 surgical conversion rate was 47.2% (17/36). Median treatment cycle in converted pts was 4. 22.2% (4/18) pts achieved pathological complete response (TRG 0), and 27.8% (5/18) pts had major response (TRG 0-1). The most common AEs were grade 1-2, and 1 SAE of hemorrhage grade 4 occurred. No increase of anastomotic leakage, hemorrhage, and abdominal infection, and no surgery caused death and complication caused second operation occurred. The median postoperative length of stay was 9.5d (range 6-16). Conclusions: These preliminary results showed favorable tumor response and acceptable tolerability for potential surgical resection. Sintilimab, doublet chemotherapy, and apatinib might offer an opportunity of cure for stage IV gastric cancer. Trial ID: NCT04267549. Clinical trial information: NCT04267549. [Table: see text]
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    RVK:
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    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2021
    detail.hit.zdb_id: 2005181-5
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  • 4
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 41, No. 4_suppl ( 2023-02-01), p. 364-364
    Abstract: 364 Background: RESOLVE study shows clinically meaningful improvement in perioperative SOX in patients with locally advanced GC/GEJC undergoing D2 gastrectomy. Addition of PD-1 inhibitor to chemotherapy shows significant clinical benefit in first-line treatment of advanced GC/GEJC. This trial was designed to compare the perioperative sintilimab combined with SOX versus perioperative SOX in patients with resectable locally advanced GC/GEJC. Methods: PERSIST is a multicenter, prospective, open-label, randomized-controlled phase II study. Patients with histologically or cytologically confirmed GC/GEJC, clinical stage II-III, no previous systemic treatment, ECOG performance status (PS) of 0 or 1 were eligible for inclusion. Patients will be randomized (1:1) to received either perioperative sintilimab (200 mg d1 Q3W, three cycles preoperatively and up to 1 year postoperatively) in combined with SOX (oxaliplatin 130 mg/m² d1, oral S-1 40–60 mg BID d1-14 Q3W, three cycles preoperatively and five cycles postoperatively) in experimental group or perioperative SOX alone in control group. The primary endpoint was the pCR rate. The secondary endpoints were the MPR rate, down-staging rate, 3-years DFS rate, 5-years OS rate, safety. The study is registered with Clinicaltrials.gov: NCT04982939. Results: As of September 2022, 101 patients were enrolled, with median age 61 years (range 31-75 years), males 85 (84.2%), cT2/3/4/X 2(2.0%)/5(5.0%)/93(92.1%)/1(1.0%), cN0/1/2/3/X 10(10.0%)/42(41.6%)/27(26.7%)/9(8.9%)/13(12.9%), and GC/GEJC 92(91.1%)/9(8.9%). Forty-seven patients (experimental group:26, control group:21) underwent radical resection and all achieved R0 resection. The pCR rates in the experimental group and control group were 26.9% (95%CI 11.6%-47.8%) and 4.8% (95%CI 0.1%-23.8%), respectively. The MPR rates in the experimental group and control group were 69.2% (95%CI 48.2%-85.7%) and 28.6% (95%CI 11.3%-52.2%), respectively. 76.9% (20/26) and 52.4% (11/21) patients achieved down-staging in the experimental group and control group. Three patients developed grade 3–4 surgical complications. Grade 3–4 TRAEs included thrombocytopenia (4.0%), anemia (3.0%), neutropenia (2.0%), allergic reaction (2.0%), pneumonia (1.0%), myocardial infarction (1.0%). The median postoperative hospital stay in the experimental and control group were 10 days (range 7-38 days) and 11 days (range 7-66 days). Conclusions: Compared to SOX chemotherapy alone, sintilimab combined with SOX resulted in an encouraging pCR rate, MPR rate and downstaging rate as perioperative treatment for resectable locally advanced GC/GEJC, and safety was manageable. Clinical trial information: NCT04982939 .
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    RVK:
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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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  • 5
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 39, No. 15_suppl ( 2021-05-20), p. 4050-4050
    Abstract: 4050 Background: FLOT is the standard perioperative treatment for resectable gastric /gastroesophageal junction (GEJ) adenocarcinoma. However, patient’s outcome is still poor. Toripalimab, a humanized IgG4 monoclonal antibody against programmed cell death receptor-1 (PD-1), has shown remarkable clinical efficacy in various cancers. This trial evaluates the addition of Toripalimab to FLOT for resectable patients. Methods: This is a prospective, single-arm, investigator-initiated phase II trial. Patients with histologically confirmed, resectable, gastric and GEJ adenocarcinoma (≥cT2 or cN+) were enrolled to receive 4 pre-and post-operative cycles of toripalimab (240mg, q2w) plus FLOT (docetaxel 50 mg/m2; oxaliplatin 85 mg/m2; leucovorin 200 mg/m2; 5-FU 2600 mg/m2, q2w). The primary endpoint was pathological complete response rate (pCR). The secondary endpoints included major pathological (complete and nearly complete) response (MPR), and R0-resection rate, 3-year disease-free survival rate, overall survival, and adverse events. Results: In total, of 36 patients were enrolled from June 2019 through Dec 2020. Male, 66.7%; median age, 60y; cT3 8.3%, T4, 83.3%; cN+ 88.9%; GEJ 47%; MSI-H, 5.6%, Her-2neu-positive, 5.6%, EBER-positive, 5.6%). Two patients refused surgery, six patients have not yet completely neoadjuvant treatment. 100% of patients completed the 4 pre-cycle. Patients who had received gastrectomy after neoadjuvant treatment (n=28) were included in this analysis. 6 (21%) patients had operations involving a thoracic approach (oesophagogastrectomy with two field lymphadenectomy), 21 (75%) gastrectomy with D2 lymphadenectomy. 8 (29%) evaluable patients had Clavien-Dindo grade II post-operative complications and 2 (7%) grade IIIA complications; one patient had an anastomotic leakage that was treated endoscopically. There were no emergency re-operations. All 28 patients achieved R0-resection and were discharged home after a median of 12 days (range:7-63) in hospital. 7 (25%)patients achieved pCR (TRG1a) and 12 (42.9%) patients achieved major pathologic response (MPR, TRG1a/b). Treatment-related adverse events (TRAEs) to any drug were reported in 30 (94%) patients. Mostly TRAEs were grade 1-2, the grade 3 or 4 TRAEs included neutropenia (34%), neutropenia (25%), lymphopenia (3%), Alanine aminotransferase increased (3%), hypokalemia (3%) and anaemia (3%). Conclusions: Perioperative toripalimab in combination with FLOT showed promising efficacy with high pCR and MPR rate and well tolerated safety profile in patients with resectable gastric/GEJ adenocarcinoma. This combination regimen might present a new option for patients with locally advanced, resectable gastric/GEJ adenocarcinoma. Clinical trial information: NCT04354662.
    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
    detail.hit.zdb_id: 2005181-5
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  • 6
    In: Transplantation, Ovid Technologies (Wolters Kluwer Health), Vol. 62, No. 12 ( 1996-12), p. 1860-1866
    Type of Medium: Online Resource
    ISSN: 0041-1337
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 1996
    detail.hit.zdb_id: 2035395-9
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  • 7
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 40, No. 4_suppl ( 2022-02-01), p. 294-294
    Abstract: 294 Background: Perioperative treatment is very important to improve long-term survival for gastric/gastroesophageal junction cancer(GC/GEJC), The RESOLVE study showed that perioperative-SOX have a clinically meaningful improvement in patients with locally advanced GC/GEJC who had D2 gastrectomy. Adding PD-1 inhibitor to the chemotherapy have shown significant clinical benefits in first-line treatment of GC/GEJC. This trial was designed to assess the feasibility and efficacy of this combination in perioperative treatment of resectable locally advanced GC/GEJC. Methods: This is a prospective, single-arm, single-center phase II study. Patients of histopathology confirmed locally advanced GC/GEJC, with clinical stage II-IV A per AJCC8 th , ECOG PS 0-1, were enrolled and treated with 3 cycles of preoperative sintilimab (200mg, iv, d1) and SOX (oxaliplatin 130mg/m 2 , iv, d1 and S-1 40-60mg, po, bid, d1-14) every 3 weeks, and 12 months of postoperative sintilimab (200mg, iv, d1) and S-1 (40-60mg, po, bid, d1-14) every 3 weeks. The primary endpoint was 2-year DFS rate. The second endpoints were pCR, MPR, R0 resection rate, safety and 3-year OS. Results: As of June 2021, 21 patients were enrolled, with median age 56 years (range 31-72 years), males 10 (47.6%), cT2/3/4a/4b 2(9.5%)/0/16(76.2%)/3(14.3%), cN1/N2 7(33.3%)/14(66.7%) and GC/GEJC 14(66.7%)/7(33.3%). All 21 patients had completed gastrectomy. 7 patients (33.3%) achieved pathological complete response (pCR), 8 patients (38.1%) had major response (TRG 0-1) and 21 patients (100%) achieved R0 resection. Common TRAEs were anemia (38.1%), lymphopenia (28.6%), neutropenia (19.0%), leukopenia (14.3%), ALT increase (9.5%), AST increase (4.8%), thrombocytopenia (4.8%). Grade 3 or more TRAEs included anemia (9.5%). There were no severe complications and death related to the operation. The median postoperative hospital stay was 10 days (range 7-41 days). Conclusions: Adding sintilimab to the chemotherapy resulted in an encouraging pCR and MPR as perioperative treatment for resectable locally advanced GC/GEJC, and safety was manageable. A Phase II randomized study is ongoing. Clinical trial information: ChiCTR2100043572.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    RVK:
    RVK:
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2022
    detail.hit.zdb_id: 2005181-5
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  • 8
    Online Resource
    Online Resource
    Elsevier BV ; 2008
    In:  Gastroenterology Vol. 134, No. 4 ( 2008-4), p. A-27-
    In: Gastroenterology, Elsevier BV, Vol. 134, No. 4 ( 2008-4), p. A-27-
    Type of Medium: Online Resource
    ISSN: 0016-5085
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    Language: English
    Publisher: Elsevier BV
    Publication Date: 2008
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  • 9
    Online Resource
    Online Resource
    American Society for Microbiology ; 2014
    In:  Antimicrobial Agents and Chemotherapy Vol. 58, No. 3 ( 2014-03), p. 1434-1442
    In: Antimicrobial Agents and Chemotherapy, American Society for Microbiology, Vol. 58, No. 3 ( 2014-03), p. 1434-1442
    Abstract: Antifungal azoles are widely used for controlling fungal infections. Fungi are able to change the expression of many genes when they adapt to azole stress, and increased expression of some of these genes can elevate resistance to azoles. However, the regulatory mechanisms behind transcriptional adaption to azoles in filamentous fungi are poorly understood. In this study, we found that deletion of the transcription factor gene ccg-8 , which is known to be a clock-controlled gene, made Neurospora crassa hypersensitive to azoles. A comparative genome-wide analysis of the responses to ketoconazole of the wild type and the ccg-8 mutant revealed that the transcriptional responses to ketoconazole of 78 of the 488 transcriptionally ketoconazole-upregulated genes and the 427 transcriptionally ketoconazole-downregulated genes in the wild type were regulated by CCG-8. Ketoconazole sensitivity testing of all available knockout mutants for CCG-8-regulated genes revealed that CCG-8 contributed to azole adaption by regulating the ketoconazole responses of many genes, including the target gene ( erg11 ), an azole transporter gene ( cdr4 ), a hexose transporter gene ( hxt13 ), a stress response gene (locus number NCU06317, named kts-1 ), two transcription factor genes (NCU01386 [named kts-2 ] and fsd-1/ndt80 ), four enzyme-encoding genes, and six unknown-function genes. CCG-8 also regulated phospholipid synthesis in N. crassa in a manner similar to that of its homolog in Saccharomyces cerevisiae , Opi1p. However, there was no cross talk between phospholipid synthesis and azole resistance in N. crassa . CCG-8 homologs are conserved and are common in filamentous fungi. Deletion of the CCG-8 homolog-encoding gene in Fusarium verticillioides ( Fvccg-8 ) also made this fungus hypersensitive to antifungal azoles.
    Type of Medium: Online Resource
    ISSN: 0066-4804 , 1098-6596
    RVK:
    Language: English
    Publisher: American Society for Microbiology
    Publication Date: 2014
    detail.hit.zdb_id: 1496156-8
    SSG: 12
    SSG: 15,3
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