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Preferences of German and Swiss melanoma patients for toxicities versus melanoma recurrence during adjuvant treatment (GERMELATOX-A-trial). J Cancer Res Clin Oncol 2023; 149:11705-11718. [PMID: 37405475 PMCID: PMC10465664 DOI: 10.1007/s00432-023-05027-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 06/26/2023] [Indexed: 07/06/2023]
Abstract
PURPOSE Adjuvant treatment with immune checkpoint inhibitors like PD1-antibodies (ICI) ± CTLA4-antibodies (cICI) or targeted therapy with BRAF/MEK inhibitors (TT) in high-risk melanoma patients demonstrate a significant improvement in disease-free survival (DFS). Due to specific side effects, the choice of treatment is very often driven by the risk for toxicity. This study addressed for the first time in a multicenter setting the attitudes and preferences of melanoma patients for adjuvant treatment with (c)ICI and TT. METHODS In this study ("GERMELATOX-A"), 136 low-risk melanoma patients from 11 skin cancer centers were asked to rate side effect scenarios typical for each (c)ICI and TT with mild-to-moderate or severe toxicity and melanoma recurrence leading to cancer death. We asked patients about the reduction in melanoma relapse and the survival increase at 5 years they would require to tolerate defined side-effects. RESULTS By VAS, patients on average valued melanoma relapse worse than all scenarios of side-effects during treatment with (c)ICI or TT. In case of severe side effects, patients required a 15% higher rate of DFS at 5 years for (c)ICI (80%) compared to TT (65%). For survival, patients required an increase of 5-10% for melanoma survival during (c)ICI (85%/80%) compared to TT (75%). CONCLUSION Our study demonstrated a pronounced variation of patient preferences for toxicity and outcomes and a clear preference for TT. As adjuvant melanoma treatment with (c)ICI and TT will be increasingly implemented in earlier stages, precise knowledge of the patient perspective can be helpful for decision making.
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Universal preprocedural SARS-CoV-2 testing protocol within a large healthcare system. Br J Surg 2021; 108:e326-e327. [PMID: 34370820 DOI: 10.1093/bjs/znab216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 05/17/2021] [Indexed: 11/13/2022]
Abstract
This research letter details the safety of a universal asymptomatic preprocedural SARS-CoV-2 testing protocol implemented within a large, integrated healthcare system. Among over 145 000 tests administered, fewer than 1 in 1000 patients had subsequent positive tests within 10 days of an initial negative SARS-CoV-2 test. Despite the infrequency of positive tests after negative screening tests, patient-to-provider transmission was documented in five instances.
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Schizogonie hépatique retardée de plasmodium yoelii yoelii chez des rongeurs traités par l’éthionine ou carencés en méthionine. ACTA ACUST UNITED AC 2017. [DOI: 10.1051/parasite/1982571001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Typage enzymatique de onze souches de Leishmania isolées, en Italie continentale, à partir de formes viscérales murines, canines et vulpines. ACTA ACUST UNITED AC 2017. [DOI: 10.1051/parasite/1982576527] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Abstract AP30: PHASE IB/II WITH EXPANSION OF PATIENTS AT THE MTD STUDY OF OLAPARIB PLUS WEEKLY (METRONOMIC) CARBOPLATIN AND PACLITAXEL IN RELAPSED OVARIAN CANCER PATIENTS. Clin Cancer Res 2017. [DOI: 10.1158/1557-3265.ovcasymp16-ap30] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
BACKGROUND: We established the olaparib tablet maximum tolerated dose (MTD) at 150 mg bid, dose limiting toxicities (DLT's) and response to therapy or carboplatin, paclitaxel and olaparib tablet given simultaneously, reported at ASCO 2014. This abstract will include data from both the phase 1b and the phase 2 expansion.
METHODS: A total of 54 subjects were evaluated in this trial, 14 in phase 1b and 40 in phase 2. Eligibility required measurable disease, adequate organ function and ECOG performance status of ~ 2. Subjects had to have failed first line platinum containing chemotherapy. BRCA testing was conducted as available. Subjects received the metronomic therapy of paclitaxel 60mg/m2 IV and carboplatin AUC 2 IV weekly, 3 weeks out of 4, and olaparib tablets at 150 mg bid administered orally for 3 consecutive days (D1-D3) every week for each cycle. Subjects were assessed for toxicity and response according to the protocol. Subjects that reached a confirmed complete remission were transitioned to olaparib tablets only, 300 mg bid until disease progression.
RESULTS: Median age was 58 and median number of prior regimens was 4. There have been no deaths due to the study regimen. One patient had grade 4 neutropenia and an allergic reaction to carboplatin. The common grade 3/4 toxicities were caused by the chemotherapy (neutropenia. anemia and thrombocytopenia). Two patients had mild GI toxicities. One patient had a skin rash. There was no evidence of cardiac, hepatic, or pulmonary toxicities in any of these patients. 25% of subjects had a complete remission (CR), 31% had PR, 23% had SD and 21% had
PD. Of the 13 CRs, 4 were BRCA negative. PFS median for BRCA positive subjects is 12.6 months vs 4.8 months for BRCA negative subjects. OS median for BRCA positive subjects is 24 months vs 16 months for BRCA negative subjects. All of the CR's are alive.
CONCLUSION: Olaparib tablet can be safely administered simultaneously with a weekly regimen of carboplatin and paclitaxel in heavily pretreated ovarian cancer patients. Olaparib appears to be highly effective in BRCA positive subjects. This is the first successful combination of olaparib tablets with carboplatin and paclitaxel that has been well tolerated.
Citation Format: Rivkin SE, Moon J, Iriarte D, Sloan H, Wiseman C, Klee M, Ference K, Drescher C, Veljovich D, Bondurant A, Peters W, Jiang P, Goodman G, Park M, Fer M, Shah C, Johnston E, Kaplan H, Wahl T, Ellis E. PHASE IB/II WITH EXPANSION OF PATIENTS AT THE MTD STUDY OF OLAPARIB PLUS WEEKLY (METRONOMIC) CARBOPLATIN AND PACLITAXEL IN RELAPSED OVARIAN CANCER PATIENTS [abstract]. In: Proceedings of the 11th Biennial Ovarian Cancer Research Symposium; Sep 12-13, 2016; Seattle, WA. Philadelphia (PA): AACR; Clin Cancer Res 2017;23(11 Suppl):Abstract nr AP30.
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Purinergic Receptor Expression and Cellular Responses to Purinergic Agonists in Human Prostate Cancer Cells. Anticancer Res 2017; 37:529-537. [PMID: 28179298 DOI: 10.21873/anticanres.11345] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 01/21/2017] [Accepted: 01/25/2017] [Indexed: 11/10/2022]
Abstract
BACKGROUND Anticancer activity of extracellular nucleotides has been investigated in many types of cancer. Herein, the effects of extracellular nucleotides and the receptor profile for these nucleotides on prostate cancer (PCa) were elaborated. MATERIALS AND METHODS PCa cell lines representing different stages of PCa were used. The effects of ATP and adenosine on PCa growth and migration on different extracellular matrix proteins were examined by MTT and wound-healing assays. Purinergic receptor profiling was carried out by reverse transcription-polymerase chain reaction (RT-PCR). RESULTS A growth-inhibitory effect of ATP and adenosine was observed on all PCa cell lines tested. Several ATP-recognized P2 receptors and adenosine receptors were commonly expressed in PCa cell lines. Neither ATP nor adenosine had any significant effect on PCa migration. CONCLUSION ATP and adenosine had an antiproliferative effect on PCa cells without affecting their motility, indicating their potential as a novel therapy for PCa.
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The chemotherapy of rodent malaria. LVII. Drug combinations to impede the selection of drug resistance, part 1: which model is appropriate? ANNALS OF TROPICAL MEDICINE AND PARASITOLOGY 2016. [DOI: 10.1080/00034983.1999.11813461] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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The chemotherapy of rodent malaria. LVI. Studies on the development of resistance to natural and synthetic endoperoxides. ANNALS OF TROPICAL MEDICINE AND PARASITOLOGY 2016. [DOI: 10.1080/00034983.1999.11813429] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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The chemotherapy of rodent malaria. LVIII. Drug combinations to impede the selection of drug resistance, part 2: the new generation—artemisinin or artesunate with long-acting blood schizontocides. ANNALS OF TROPICAL MEDICINE AND PARASITOLOGY 2016. [DOI: 10.1080/00034983.2000.11813510] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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The biochemical and serological taxonomy of visceralizingLeishmania. ANNALS OF TROPICAL MEDICINE AND PARASITOLOGY 2016. [DOI: 10.1080/00034983.1981.11687421] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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The experimental chemotherapy of leishmaniasis, III Detection of antileishmanial activity in some new synthetic compounds in a tissue culture model. ANNALS OF TROPICAL MEDICINE AND PARASITOLOGY 2016. [DOI: 10.1080/00034983.1975.11687033] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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The experimental chemotherapy of leishmaniasis, V. ANNALS OF TROPICAL MEDICINE AND PARASITOLOGY 2016. [DOI: 10.1080/00034983.1980.11687347] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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The antimalarial activity of N-benzyloxydihydrotriazines. ANNALS OF TROPICAL MEDICINE AND PARASITOLOGY 2016. [DOI: 10.1080/00034983.1980.11687360] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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The experimental chemotherapy of leishmaniasis, VII. ANNALS OF TROPICAL MEDICINE AND PARASITOLOGY 2016. [DOI: 10.1080/00034983.1980.11687349] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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The antimalarial activity of N-benzyl-oxydihydrotriazines. ANNALS OF TROPICAL MEDICINE AND PARASITOLOGY 2016. [DOI: 10.1080/00034983.1982.11687498] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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The experimental chemotherapy of leishmaniasis, VI. ANNALS OF TROPICAL MEDICINE AND PARASITOLOGY 2016. [DOI: 10.1080/00034983.1980.11687348] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Top-down assessment of the Asian carbon budget since the mid 1990s. Nat Commun 2016; 7:10724. [PMID: 26911442 PMCID: PMC4773423 DOI: 10.1038/ncomms10724] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Accepted: 01/14/2016] [Indexed: 11/23/2022] Open
Abstract
Increasing atmospheric carbon dioxide (CO2) is the principal driver of anthropogenic climate change. Asia is an important region for the global carbon budget, with 4 of the world's 10 largest national emitters of CO2. Using an ensemble of seven atmospheric inverse systems, we estimated land biosphere fluxes (natural, land-use change and fires) based on atmospheric observations of CO2 concentration. The Asian land biosphere was a net sink of −0.46 (−0.70–0.24) PgC per year (median and range) for 1996–2012 and was mostly located in East Asia, while in South and Southeast Asia the land biosphere was close to carbon neutral. In East Asia, the annual CO2 sink increased between 1996–2001 and 2008–2012 by 0.56 (0.30–0.81) PgC, accounting for ∼35% of the increase in the global land biosphere sink. Uncertainty in the fossil fuel emissions contributes significantly (32%) to the uncertainty in land biosphere sink change. Land biosphere uptake of carbon is important in mitigating the anthropogenic increase in atmospheric CO2 and its climate forcing. Here, the authors show that land biosphere uptake of carbon in Asia has increased substantially since the mid 1990s, likely owing to reforestation and regional climate change.
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Unterchungen über den Transport von Stoffen durch peritrophische Membranen / Investigation of the Transport of Material through Peritrophic Membranes. ACTA ACUST UNITED AC 2014. [DOI: 10.1515/znb-1969-1119] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The tubular peritrophic membranes of Calliphora are formed by the secreting cells of the proventriculus at a rate of 3.5 ± 1 mm per hour. It has been estimated that each of these cells produces its own weight in membrane material in about one day.
Autoradiography of peritrophic membranes from flies injected with glucose-C 14 show cross bands as well as longitudinal bands, indicating a periodic incorporation of radioactive material and therefore a different chemical composition, which may be of importance for transport phenomena.
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Turnover of O-Glucosides of Dihydrozeatin and Dihydrozeatin-9-riboside During the Cell Growth Cycle of Photoautotrophic Cell Suspension Cultures ofChenopodium rubrum. ACTA ACUST UNITED AC 2014. [DOI: 10.1111/j.1438-8677.1989.tb00114.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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