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O'Mahony S, Collins NA, Doyle G, Gibney ER, Moore A. Supermarket availability and socio-economic deprivation in urban Ireland - CORRIGENDUM. Proc Nutr Soc 2023; 82:488. [PMID: 36305493 DOI: 10.1017/s0029665122002737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Affiliation(s)
- S O'Mahony
- Food Safety Authority of Ireland, The Exchange, Georges Dock, Dublin 1, Ireland
- University College Dublin, Belfield, Dublin 4, Ireland
| | - N A Collins
- Food Safety Authority of Ireland, The Exchange, Georges Dock, Dublin 1, Ireland
| | - G Doyle
- University College Dublin, Belfield, Dublin 4, Ireland
| | - E R Gibney
- University College Dublin, Belfield, Dublin 4, Ireland
| | - A Moore
- University of Ulster, Coleraine, Northern Ireland, BT52 1SA, UK
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Fitzpatrick P, O’Connor J, Doyle G, Delaney L, Lades L, Lawlor O, Mullins B, Murrin C. One year update following removal of high sugar sweetened beverages from a university campus. Eur J Public Health 2019. [DOI: 10.1093/eurpub/ckz185.645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Healthy UCD is a health promotion initiative designed to create a sustainable healthy university campus. The aim of the study was to report on student and staff attitudes and provider attitudes to the removal and income from drinks one year following the removal of carbonated sugar sweetened beverages (HSSBs) on a large university campus, University College Dublin (UCD).
In 2018 Healthy UCD, in partnership with the contracted beverage supplier, conducted a seven-week trial where all HSSBs were removed from the main campus and replaced with sugar-free or low-sugar alternatives. This was in advance of a levy on HSSBs to be introduced nationally. During the trial, drinks sales rose by 4%. Following the trial, a survey of students was conducted across the campus which provided the motivation to the University Management Team to approve removal of HSSBs on a permanent basis. Staff and student complaints were monitored over the following year. Drinks sales data was obtained from retail outlets for 2019 and compared to the same sales period for the previous year.
Retail sales for drinks continued to grow despite removal of HSSBs, with 8% growth in the year following removal. A small number of complaints were documented. The most important was a query about those staff and students with diabetes mellitus who might need high sugar energy products and the removal of a particular HSSB which is sold in Ireland. This HSSB had not in fact previously been sold in UCD. The national advice regarding access to high sugar products in the case of hypoglycaemia from Diabetes Ireland was provided satisfactorily for all staff and students.
Removal of HSSBs from a university campus is possible; advice must be provided to those who may feel negatively impacted by the change.
Key messages
Removal of high sugar sweetened drinks from a university campus is possible; advice must be provided to those who may feel negatively impacted by the change. Sales can grow despite health-related changes of the food environment.
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Affiliation(s)
- P Fitzpatrick
- School of Public Health, Physiotherapy & Sports Science, University College Dublin, Dublin, Ireland
- Healthy UCD, University College Dublin, Dublin, Ireland
| | - J O’Connor
- College of Business, University College Dublin, Dublin, Ireland
| | - G Doyle
- College of Business, University College Dublin, Dublin, Ireland
| | - L Delaney
- School of Economics, University College Dublin, Dublin, Ireland
- Geary Institute, University College Dublin, Dublin, Ireland
| | - L Lades
- Geary Institute, University College Dublin, Dublin, Ireland
| | - O Lawlor
- Hospitality Services, University College Dublin, Dublin, Ireland
- Healthy UCD, University College Dublin, Dublin, Ireland
| | - B Mullins
- Healthy UCD, University College Dublin, Dublin, Ireland
| | - C Murrin
- School of Public Health, Physiotherapy & Sports Science, University College Dublin, Dublin, Ireland
- Healthy UCD, University College Dublin, Dublin, Ireland
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Affiliation(s)
- A Jackson
- Cystic Fibrosis Registry of Ireland, Dublin, Ireland
| | - L Kirwan
- Cystic Fibrosis Registry of Ireland, Dublin, Ireland
| | - S Gibney
- Department of Health, Dublin, Ireland
| | - G Doyle
- University College Dublin, Dublin, Ireland
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Murrin C, O'Connor J, Doyle G, Delany L, Lades L, O'Malley G, Lawlor O, Harold L, Mullins B, Fitzpatrick P. Removing sugar sweetened beverages from a university campus. Eur J Public Health 2018. [DOI: 10.1093/eurpub/cky214.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- C Murrin
- School of Public Health, University College Dublin, Dublin, Ireland
| | - J O'Connor
- Quinn School of Business, University College Dublin, Dublin, Ireland
| | - G Doyle
- Quinn School of Business, University College Dublin, Dublin, Ireland
| | - L Delany
- Geary Institute for Public Policy, University College Dublin, Dublin, Ireland
| | - L Lades
- Geary Institute for Public Policy, University College Dublin, Dublin, Ireland
| | - G O'Malley
- Division of Population Health Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - O Lawlor
- Hospitality Services, University College Dublin, Dublin, Ireland
| | | | | | - P Fitzpatrick
- School of Public Health, University College Dublin, Dublin, Ireland
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5
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Gibney S, Doyle G. Self-rated health literacy is associated with exercise frequency among adults aged 50+ in Ireland. Eur J Public Health 2017; 27:755-761. [DOI: 10.1093/eurpub/ckx028] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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6
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Doyle G. Enhancing the cost effectiveness of diabetes self-management education provision in a European context. Eur J Public Health 2016. [DOI: 10.1093/eurpub/ckw173.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Secco ML, Furlong KE, Doyle G, Bailey J. Validation of the Mobile Information Software Evaluation Tool (MISET) With Nursing Students. J Nurs Educ 2016; 55:385-90. [PMID: 27351606 DOI: 10.3928/01484834-20160615-05] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Accepted: 04/06/2016] [Indexed: 11/20/2022]
Abstract
BACKGROUND This study evaluated the Mobile Information Software Evaluation Tool (MISET) with a sample of Canadian undergraduate nursing students (N = 240). METHOD Psychometric analyses determined how well the MISET assessed the extent that nursing students find mobile device-based information resources useful and supportive of learning in the clinical and classroom settings. RESULTS The MISET has a valid three-factor structure with high explained variance (74.7%). Internal consistency reliabilities were high for the MISET total (.90) and three subscales: Usefulness/Helpfulness, Information Literacy Support, and Use of Evidence-Based Sources (.87 to .94). Construct validity evidence included significantly higher mean total MISET, Helpfulness/Usefulness, and Information Literacy Support scores for senior students and those with higher computer competence. CONCLUSION The MISET is a promising tool to evaluate mobile information technologies and information literacy support; however, longitudinal assessment of changes in scores over time would determine scale sensitivity and responsiveness. [J Nurs Educ. 2016;55(7):385-390.].
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Doyle G, Jones C, Currie L. Interprofessional Student Perspectives of Online Social Networks in Health and Business Education. Stud Health Technol Inform 2016; 225:282-286. [PMID: 27332207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The education sector is experiencing unprecedented change with the increasing use by students of mobile devices, social networks and e-portfolios as they prepare for future positions in the workforce. The purpose of this study was to examine student's preferences around these technologies. A mixed methods research strategy was used with an initial online survey using 29 Likert scale style questions to students from the School of Health Sciences and the School of Business at the British Columbia Institute of Technology (BCIT). Descriptive statistics and ANOVAs were performed to examine if there were any differences between groups regarding their overall responses to the survey questions. Content analysis was used for qualitative focus group data. Overall, students (n = 260) were enthusiastic about technology but wary of cost, lack of choice, increased workload and faculty involvement in their online social networks. Of note, students see significant value in face-to-face classroom time.
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Affiliation(s)
- Glynda Doyle
- British Columbia Institute of Technology, Vancouver, British Columbia, Canada
| | - Cyri Jones
- British Columbia Institute of Technology, Vancouver, British Columbia, Canada
| | - Leanne Currie
- University of British Columbia, Vancouver British Columbia, Canada
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Doyle G. A Faculty Peer Network for Integrating Consumer Health Solutions in Nursing Education: Contextual Influences and Perspectives. Stud Health Technol Inform 2016; 225:610-612. [PMID: 27332275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The Canadian Association of Schools of Nursing and Canada Health Infoway recently launched a national project to facilitate the integration of digital and consumer health solutions into undergraduate nursing programs across Canada. Led by eleven nursing faculty members with expertise in informatics, the Digital Health Nursing Faculty Peer Network provided a forum for mentorship and support to other nursing faculty (72) across Canada and facilitated the development of a number of strategies to advance the incorporation of digital health content into undergraduate nursing curricula (e.g., the creation of a Faculty Toolkit for teaching Consumer Health Solutions). In this panel presentation, contextual and regional influences as well as specific perspectives related to the experience of each of the panelists within the Faculty Peer Network project will be outlined and discussed.
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Affiliation(s)
- Glynda Doyle
- British Columbia Institute of Technology, British Columbia, Canada,
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10
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Doyle G, McCutcheon J. Development of an Open Source Educational Resource: "Clinical Procedures for Safer Patient Care". Stud Health Technol Inform 2016; 225:979-980. [PMID: 27332441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
An Open Education Resource (OER) has been developed by two nurse educators to address inconsistencies in how clinical health care skills are taught and practiced in the clinical setting, and to ensure best practice and quality care based on the latest evidence. A checklist approach aims to provide clear steps and rationale for procedures, standardized processes for clinical skills and to assist nursing schools and clinical practice partners in teaching clinical skills, and keeping procedural practice current. The format is logical, organized and focused on patient safety, and will provide information retrieval opportunities at the point of care to support decisions and plan patient care. This poster discusses the development of this resource, the framework used, and the process from conception to distribution.
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Affiliation(s)
- Glynda Doyle
- British Columbia Institute of Technology, Burnaby, British Columbia, Canada
| | - Jodie McCutcheon
- British Columbia Institute of Technology, Burnaby, British Columbia, Canada
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11
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Doyle G, Budz B. Diffusing Innovations in Nursing Education: From PDAs to OERs. Stud Health Technol Inform 2016; 225:981-982. [PMID: 27332442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The Canadian educational and healthcare practice landscapes are ever-evolving technologically. In response to these changes, the British Columbia Institute of Technology (BCIT) has integrated various educational technologies using Rogers Diffusion of Innovation model as a guiding framework for this integration with considerable success. This poster describes BCIT's journey with diffusing innovations, discusses examples of these technological integrations in accordance with Roger's model, and outlines several implications for educational practice.
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Affiliation(s)
- Glynda Doyle
- British Columbia Institute of Technology, Burnaby, British Columbia, Canada
| | - Bernice Budz
- British Columbia Institute of Technology, Burnaby, British Columbia, Canada
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Major D, Armstrong D, Bryant H, Cheung W, Decker K, Doyle G, Mai V, McLachlin CM, Niu J, Payne J, Shukla N. Recent trends in breast, cervical, and colorectal cancer screening test utilization in Canada, using self-reported data from 2008 and 2012. ACTA ACUST UNITED AC 2015; 22:297-302. [PMID: 26300668 DOI: 10.3747/co.22.2690] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In Canada, self-reported data from the Canadian Community Health Survey 2008 and 2012 provide an opportunity to examine overall utilization of breast, cervical, and colorectal cancer screening tests for both programmatic and opportunistic screening. Among women 50-74 years of age, utilization of screening mammography was stable (62.0% in 2008 and 63.0% in 2012). Pap test utilization for women 25-69 years of age remained high and stable across Canada in 2008 and 2012 (78.9% in 2012). The percentage of individuals 50-74 years of age who reporting having at least 1 fecal test within the preceding 2 years increased in 2012 (to 23.0% from 16.9% in 2008), but remains low. Stable rates of screening mammography utilization (about 30%) were reported in 2008 and 2012 among women 40-49 years of age, a group for which population-based screening is not recommended. Although declining over time, cervical cancer screening rates were high for women less than 25 years of age (for whom screening is not recommended). Interestingly, an increased percentage of women 70-74 years of age reported having a Pap test. In 2012, a smaller percentage of women 50-69 years of age reported having no screening test (5.9% vs. 8.5% in 2008), and more women reported having the three types of cancer screening tests (19.0% vs. 13.2%). Efforts to encourage use of screening within the recommended average-risk age groups are needed, and education for stakeholders about the possible harms of screening outside those age groups has to continue.
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Affiliation(s)
- D Major
- Canadian Partnership Against Cancer, Toronto, ON; ; Département médecine sociale et préventive, Université Laval, Quebec, QC
| | - D Armstrong
- Division of Gastroenterology, McMaster University Medical Centre, Hamilton, ON
| | - H Bryant
- Canadian Partnership Against Cancer, Toronto, ON; ; Departments of Community Health Sciences and Oncology, University of Calgary, Calgary, AB
| | - W Cheung
- Division of Medical Oncology, BC Cancer Agency, and Department of Medicine, University of British Columbia, Vancouver, BC
| | - K Decker
- CancerCare Manitoba and University of Manitoba, Winnipeg, MB
| | - G Doyle
- Breast Screening Program for Newfoundland and Labrador, St. John's, NL
| | - V Mai
- Canadian Partnership Against Cancer, Toronto, ON
| | - C M McLachlin
- Department of Pathology and Laboratory Medicine, Western University, London, ON
| | - J Niu
- Canadian Partnership Against Cancer, Toronto, ON
| | - J Payne
- Department of Diagnostic Radiology, Dalhousie University, and Nova Scotia Breast Screening Program, Halifax, NS
| | - N Shukla
- Canadian Partnership Against Cancer, Toronto, ON
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13
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Birch E, Boyd J, Doyle G, Pullen A. Small and medium agility dogs alter their kinematics when the distance between hurdles differs. Comparative Exercise Physiology 2015. [DOI: 10.3920/cep150015] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
There is currently a lack of research examining the health and welfare implications for competitive agility dogs. The aim of this study was to examine if jump kinematics and apparent joint angles in medium (351-430 mm to the withers) and small (<350 mm to the withers) agility dogs altered when distances between consecutive upright hurdles differ. Dogs ran a course of nine hurdles; three set at 3.6 m apart; three at 4 m apart and three at 5 m apart. Both medium (P=0.044) and small (P=0.006) dogs landed closer to the hurdle when consecutive hurdles were set 3.6 m apart, with small dogs jumping slower at this distance (P=0.006). Results indicate that jump kinematics, but not apparent joint angles, alter when the spacing between hurdles differs. These findings may have implications for the health and welfare of agility dogs and should be used to inform future changes to rules and regulations.
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Affiliation(s)
- E. Birch
- School of Animal, Rural and Environmental Sciences, Nottingham Trent University, Southwell NG25 OQF, United Kingdom
| | - J. Boyd
- School of Animal, Rural and Environmental Sciences, Nottingham Trent University, Southwell NG25 OQF, United Kingdom
| | - G. Doyle
- School of Health, Sport and Bioscience, University of East London, Stratford, London E15 4LZ, United Kingdom
| | - A. Pullen
- School of Animal, Rural and Environmental Sciences, Nottingham Trent University, Southwell NG25 OQF, United Kingdom
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14
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Van den Broucke S, Van der Zanden G, Chang P, Doyle G, Levin D, Pelikan J, Schillinger D, Schwarz P, Sørensen K, Yardley L, Riemenschneider H. Enhancing the effectiveness of diabetes self-management education: the diabetes literacy project. Horm Metab Res 2014; 46:933-8. [PMID: 25337960 DOI: 10.1055/s-0034-1389952] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Patient empowerment through self-management education is central to improving the quality of diabetes care and preventing Type 2 Diabetes. Although national programs exist, there is no EU-wide strategy for diabetes self-management education, and patients with limited literacy face barriers to effective self-management. The Diabetes Literacy project, initiated with the support of the European Commission, aims to fill this gap. The project investigates the effectiveness of diabetes self-management education, targeting people with or at risk of Type 2 Diabetes in the 28 EU Member States, as part of a comprehensive EU-wide diabetes strategy. National diabetes strategies in the EU, US, Taiwan, and Israel are compared, and diabetes self-management programs inventorized. The costs of the diabetes care pathway are assessed on a per person basis at national level. A comparison is made of the (cost)-effectiveness of different methods for diabetes self-management support, and the moderating role of health literacy, organization of the health services, and implementation fidelity of education programs are considered. Web-based materials are developed and evaluated by randomized trials to evaluate if interactive internet delivery can enhance self-management support for people with lower levels of health literacy. The 3-year project started in December 2012. Several literature reviews have been produced and protocol development and research design are in the final stages. Primary and secondary data collection and analysis take place in 2014. The results will inform policy decisions on improving the prevention, treatment, and care for persons with diabetes across literacy levels.
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Affiliation(s)
| | | | - P Chang
- Taipei Medical University, Taipei Hospital, MOHW, Taipei, Taiwan
| | - G Doyle
- University College Dublin, Dublin, Ireland
| | - D Levin
- Clalit Health Services & University of Haifa, Tel Aviv, Israel
| | - J Pelikan
- Ludwig Boltzman Institute of Health Promotion Research, Vienna, Austria
| | - D Schillinger
- University of San California at San Francisco, San Francisco, USA
| | - P Schwarz
- Technical University Dresden, Dresden, Germany
| | - K Sørensen
- Maastricht University, Maastricht, The Netherlands
| | - L Yardley
- University of Southampton, Southampton, UK
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15
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Rao C, Bui T, Connelly M, Doyle G, Karydis I, Middleton MR, Clack G, Malone M, Coumans FAW, Terstappen LWMM. Circulating melanoma cells and survival in metastatic melanoma. Int J Oncol 2011; 38:755-60. [PMID: 21206975 DOI: 10.3892/ijo.2011.896] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2010] [Accepted: 10/21/2010] [Indexed: 11/06/2022] Open
Abstract
A validated assay for the enumeration of circulating melanoma cells (CMCs) may facilitate the development of more effective therapies for metastatic melanoma patients. In this study CD146+ cells were immunomagnetically enriched from 7.5 ml of blood. Isolated cells were fluorescently stained with DAPI, anti-molecular weight melanoma-associated antigen (HMW-MAA), anti-CD45 and CD34 and Ki67. CMCs were identified as CD146+, HMW-MAA+, CD45-, CD34-, Ki67-/+ cells. Eighty-eight percent of spiked SK-MEL28 cells in 7.5 ml blood were recovered. In all 55 healthy donors ≤1 CMCs were detected in 7.5 ml of blood. A retrospective analysis was conducted comparing CMC counts and overall survival in 79 blood samples from 44 melanoma patients. CMCs ranged from 0 to 8,042 per 7.5 ml. Two or more CMCs were detected in 18 (23%) of the patients and 30-100% (mean 84%) of the CMCs expressed the proliferation marker Ki67. Patients with ≥2 CMCs per 7.5 ml of whole blood, as compared with the group with <2 CMCs, had a shorter overall survival (2.0 months vs. 12.1 months, P=0.001).
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Affiliation(s)
- C Rao
- Veridex LLC, Huntingdon Valley, PA, USA
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16
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Maranci V, Thomas DG, Brown M, Budd TG, Doyle G, Hayes DF, Griffith KA, Smeage J. Abstract P3-02-06: Correlation of BCL-2 and Apoptosis on Circulating Tumor Cells and Breast Cancer Tissue. Cancer Res 2010. [DOI: 10.1158/0008-5472.sabcs10-p3-02-06] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Circulating Tumor Cell (CTC) levels are prognostic markers in metastatic breast cancer (MBC). Further phenotypic characterization of CTC may provide an opportunity for non-invasive evaluation of predictive and prognostic markers. Apoptosis is a common form of chemotherapy-induced cell death. Monoclonal antibody (MAb) M30 recognizes a neo-epitope on fragmented cytokeratin and is a marker of apoptosis. BCL-2 is an anti-apoptotic marker and may predict for resistance to anti-neoplastic therapy. We have previously reported the results of a pilot clinical trial to estimate M30 and BCL-2 expression in CTC from patients with MBC. The current study was performed to correlate the expression of both BCL-2 and M30 in CTC with breast cancer tissue samples. Methods: Of the 85 patients in the original pilot study, 52 (61%) had evaluable tissue available (39 primary and 12 metastatic lesions; one unknown) and were included in this analysis. CTC were collected at baseline and were isolated, enumerated, and phenotypically characterized for M30 and BCL-2 using the CellSearch® System. CTC phenotype is reported as percentage of cells with positive staining. Tissue Microarrays (TMA) were constructed and immunohistochemically stained for M30 (anti-Cytodeath™ M30, Roche) and Bcl-2 (M-0887, DAKO) and scored using the Allred method.
Results: Tissue staining for M30 and Bcl-2 were inversely correlated. Of the 52 patients with TMA available for investigation, 22 (42%) had > 5 CTC/7.5 ml whole blood. A positive, but non-significant, correlation was observed between increasing numbers of CTC levels and tissue BCL-2 Allred Score (Spearman r=0.36; p=0.1310). M30 staining was detected in ≥10% of CTC in 20 of the 22 (91%) patients with elevated CTC, while BCL-2 staining was detected in ≥10% of CTC in 19 of the 22 (86%) patients. Little if any correlation was observed between CTC M30 and tissue M30 expression, however CTC BCL-2 was positively correlated with tissue Bcl-2 expression (Spearman r=0.47; p=0.0440). Conclusions: BCL-2 and M30 can be characterized in both CTC and breast cancer tissue. The likelihood of having elevated CTC may be associated with higher BCL-2 expression, and CTC BCL-2 was associated with tissue BCL-2 expression. Although the clinical implications of these findings are unknown, they offer the opportunity for future trials to investigate whether CTC BCL-2 and M30 might be useful to identify patients with cancers that are resistant to standard therapies. Furthermore, CTC BCL-2 and M30 might be monitored in clinical trials of novel, apoptosis-inducing therapeutic agents.
Citation Information: Cancer Res 2010;70(24 Suppl):Abstract nr P3-02-06.
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Affiliation(s)
- V Maranci
- University of Michigan, Ann Arbor; Cleveland Clinic, OH; Veridex LLC, Raritan, NJ
| | - DG Thomas
- University of Michigan, Ann Arbor; Cleveland Clinic, OH; Veridex LLC, Raritan, NJ
| | - M Brown
- University of Michigan, Ann Arbor; Cleveland Clinic, OH; Veridex LLC, Raritan, NJ
| | - TG Budd
- University of Michigan, Ann Arbor; Cleveland Clinic, OH; Veridex LLC, Raritan, NJ
| | - G Doyle
- University of Michigan, Ann Arbor; Cleveland Clinic, OH; Veridex LLC, Raritan, NJ
| | - DF Hayes
- University of Michigan, Ann Arbor; Cleveland Clinic, OH; Veridex LLC, Raritan, NJ
| | - KA Griffith
- University of Michigan, Ann Arbor; Cleveland Clinic, OH; Veridex LLC, Raritan, NJ
| | - J. Smeage
- University of Michigan, Ann Arbor; Cleveland Clinic, OH; Veridex LLC, Raritan, NJ
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17
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Depasquale R, Landes C, Doyle G. Audit of ultrasound and decision to operate in groin pain of unknown aetiology with ultrasound technique explained. Clin Radiol 2009; 64:608-14. [DOI: 10.1016/j.crad.2008.11.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2008] [Revised: 11/08/2008] [Accepted: 11/23/2008] [Indexed: 11/29/2022]
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Moreno J, DeBono JS, Shaffer D, Montgomery B, Miller MC, Tissing H, Doyle G, Terstappen LW, Pienta KJ, Raghavan D. Multi-center study evaluating circulating tumor cells (CTCs) as a surrogate for survival in men treated for castration refractory prostate cancer (CRPC). J Clin Oncol 2007. [DOI: 10.1200/jco.2007.25.18_suppl.5016] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
5016 Background: Monitoring CTCs in patients undergoing therapy for metastatic breast cancer is an effective means to predict outcome and monitor treatment. The primary endpoint of this prospective multi-center study was to demonstrate a significant relation between the presence of CTCs and survival in men treated for CRPC. Methods: 276 patients with diagnosed CRPC, PSA progression, and an ECOG score of 0–2 about to begin initial or salvage chemo and/or combination therapy were enrolled. CTCs were enumerated with the CellSearch System in blood drawn pre-treatment and monthly thereafter for up to 18 months. Patient data were collected and maintained by an independent CRO. Median overall survival (OS) was determined for patients with =5 CTC /7.5mL at baseline and specified intervals. Results: Of 240 evaluable patients, 142 (59%) are alive - mean follow-up 11.4 ± 4.4 months. Median OS (in months) and significance between the two groups (logrank p-value) at different time points after the initiation of therapy are indicated in the table . Median OS for 40 (19%) patients with a reduction of CTCs below 5 CTCs 2–5 weeks after initiation of therapy was significantly longer as compared to those 78 (38%) patients that remained above 5 CTCs (>20 vs. 9.3mth, p=0.0000) and was not significantly different from the 83 (40%) patients with 20 vs. >20mth, p=0.2725). In multivariate analyses, which included stage at diagnosis, age, ECOG, Gleason score, LDH, Alkaline Phosphotase, and PSA, CTCs remained the most significant independent predictor of outcome. Conclusions: CTC levels in CRPC patients are a strong predictor of OS. The persistence of CTCs after initiation of therapy suggests that the patients are deriving less than optimal benefit from their current therapy. CTC levels may be a valid surrogate end-point in monitoring response to chemotherapy. [Table: see text] No significant financial relationships to disclose.
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Affiliation(s)
- J. Moreno
- Thomas Jefferson University Hospital, Philadelphia, PA; Royal Marsden Hospital, London, United Kingdom; Memorial Sloan-Kettering Cancer Center, New York, NY; University of Washington, Seattle, WA; Immunicon Corporation, Huntingdon Valley, PA; University of Michigan, Ann Arbor, MI; Cleveland Clinic, Cleveland, OH
| | - J. S. DeBono
- Thomas Jefferson University Hospital, Philadelphia, PA; Royal Marsden Hospital, London, United Kingdom; Memorial Sloan-Kettering Cancer Center, New York, NY; University of Washington, Seattle, WA; Immunicon Corporation, Huntingdon Valley, PA; University of Michigan, Ann Arbor, MI; Cleveland Clinic, Cleveland, OH
| | - D. Shaffer
- Thomas Jefferson University Hospital, Philadelphia, PA; Royal Marsden Hospital, London, United Kingdom; Memorial Sloan-Kettering Cancer Center, New York, NY; University of Washington, Seattle, WA; Immunicon Corporation, Huntingdon Valley, PA; University of Michigan, Ann Arbor, MI; Cleveland Clinic, Cleveland, OH
| | - B. Montgomery
- Thomas Jefferson University Hospital, Philadelphia, PA; Royal Marsden Hospital, London, United Kingdom; Memorial Sloan-Kettering Cancer Center, New York, NY; University of Washington, Seattle, WA; Immunicon Corporation, Huntingdon Valley, PA; University of Michigan, Ann Arbor, MI; Cleveland Clinic, Cleveland, OH
| | - M. C. Miller
- Thomas Jefferson University Hospital, Philadelphia, PA; Royal Marsden Hospital, London, United Kingdom; Memorial Sloan-Kettering Cancer Center, New York, NY; University of Washington, Seattle, WA; Immunicon Corporation, Huntingdon Valley, PA; University of Michigan, Ann Arbor, MI; Cleveland Clinic, Cleveland, OH
| | - H. Tissing
- Thomas Jefferson University Hospital, Philadelphia, PA; Royal Marsden Hospital, London, United Kingdom; Memorial Sloan-Kettering Cancer Center, New York, NY; University of Washington, Seattle, WA; Immunicon Corporation, Huntingdon Valley, PA; University of Michigan, Ann Arbor, MI; Cleveland Clinic, Cleveland, OH
| | - G. Doyle
- Thomas Jefferson University Hospital, Philadelphia, PA; Royal Marsden Hospital, London, United Kingdom; Memorial Sloan-Kettering Cancer Center, New York, NY; University of Washington, Seattle, WA; Immunicon Corporation, Huntingdon Valley, PA; University of Michigan, Ann Arbor, MI; Cleveland Clinic, Cleveland, OH
| | - L. W. Terstappen
- Thomas Jefferson University Hospital, Philadelphia, PA; Royal Marsden Hospital, London, United Kingdom; Memorial Sloan-Kettering Cancer Center, New York, NY; University of Washington, Seattle, WA; Immunicon Corporation, Huntingdon Valley, PA; University of Michigan, Ann Arbor, MI; Cleveland Clinic, Cleveland, OH
| | - K. J. Pienta
- Thomas Jefferson University Hospital, Philadelphia, PA; Royal Marsden Hospital, London, United Kingdom; Memorial Sloan-Kettering Cancer Center, New York, NY; University of Washington, Seattle, WA; Immunicon Corporation, Huntingdon Valley, PA; University of Michigan, Ann Arbor, MI; Cleveland Clinic, Cleveland, OH
| | - D. Raghavan
- Thomas Jefferson University Hospital, Philadelphia, PA; Royal Marsden Hospital, London, United Kingdom; Memorial Sloan-Kettering Cancer Center, New York, NY; University of Washington, Seattle, WA; Immunicon Corporation, Huntingdon Valley, PA; University of Michigan, Ann Arbor, MI; Cleveland Clinic, Cleveland, OH
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Chen BT, Loberg RD, Neeley CK, O'Hara SM, Gross S, Doyle G, Dunn RL, Kalikin LM, Pienta KJ. Preliminary study of immunomagnetic quantification of circulating tumor cells in patients with advanced disease. Urology 2005; 65:616-21. [PMID: 15780403 DOI: 10.1016/j.urology.2004.10.053] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2004] [Accepted: 10/25/2004] [Indexed: 10/25/2022]
Abstract
OBJECTIVES To enumerate the amount of circulating tumor cells (CTCs) in patients with advanced prostate cancer and to investigate the relationship between these numbers, prostate-specific antigen (PSA) and prostate-specific membrane antigen (PSM) expression, and clinical parameters. METHODS Whole blood was collected in proprietary CellSave tubes. Mononuclear cell fractions were isolated using epithelial cell antibody-coated magnetic nanoparticles. On one half of each immunomagnetically enriched cell fraction, automated fluorescent microscopy was used to identify the epithelial tumor cells. From the remainder of each sample, RNA extraction, cDNA synthesis, and polymerase chain reaction amplification of PSA and PSM were performed. RESULTS Eighty-four patients with advanced prostate cancer submitted 130 samples for analysis. Intact CTCs were identified in 62% of samples; 83.3% of CTC-positive and 0% of CTC-negative samples were reverse transcriptase-polymerase chain reaction positive for PSA and PSM (P = 0.001). A significant positive correlation was found between the CTC number and PSA (r = 0.49), alkaline phosphatase (r = 0.47), and lactate dehydrogenase (r = 0.55) levels, and a significant negative correlation with hemoglobin (r = -0.35). The initial Gleason grade, prior therapy, current therapy, and type of metastasis (bone, soft tissue) did not correlate significantly with the CTC number. CONCLUSIONS The presence of intact CTCs and the expression of PSA and PSM demonstrated robust agreement. The tumor cell numbers reflected current disease status and correlated significantly with the clinical disease indicators of PSA, hemoglobin, and liver function tests. These findings warrant further investigation of the diagnostic and prognostic value of enumerating intact CTCs.
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Affiliation(s)
- B T Chen
- Department of Urology, University of Michigan School of Medicine, Ann Arbor, Michigan, USA.
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20
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McMillan N, O’Rourke B, Riedel S, O’Neill M, O’Neill A, Bertho A, Doyle G, Beverley K, Hammond J, Augousti A, Mason J, Skelly D, O’Neill A, Boller D, Cave S. A new democratic phase coherent data-scatter technique for calibration, measurement, fingerprinting and rapid archival identification of ultraviolet-visible multi-component food spectra. Anal Chim Acta 2004. [DOI: 10.1016/j.aca.2003.10.084] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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21
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Abstract
This study assessed the clinical use of three ultrasound measurements; median nerve cross-sectional area, median nerve flattening ratio and palmar displacement of the flexor retinaculum, for the diagnosis of carpal tunnel syndrome. The measurements were made in 20 carpal tunnel sufferers and 20 controls. The sensitivity, specificity and predictive values of each were calculated in various clinical settings. Values for each of the three variables were significantly different in the patient and control populations. The differences we recorded were smaller than those found in previous studies. The tests had a sensitivity of 72% and a specificity of 90%. Alterations in the morphology of the carpal tunnel in patients with carpal tunnel syndrome can be measured in the district general hospital setting. The measurements described maybe a useful non-invasive confirmatory test in patients in whom there is a strong clinical suspicion of carpal tunnel syndrome. However, they would be of no benefit in epidemiological surveys of populations with a low incidence of carpal tunnel syndrome.
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Affiliation(s)
- L Leonard
- Department of Orthopaedic Surgery, Royal United Hospital, Bath, UK.
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22
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Doyle G, Eriksen KA, Van Engen D. Mixed copper/iron clusters. The preparation and structures of [(Ph3P)2Cu]2Fe(CO)4 and [(diphos)2Cu]2Cu6Fe4(CO)16. J Am Chem Soc 2002. [DOI: 10.1021/ja00312a019] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Doyle G, Eriksen KA, Van Engen D. Preparation of copper(I) carbonyl complexes derived from sulfonic acids. Crystal structure of carbonylcopper ethanesulfonate (Cu(CO)C2H5SO3). Inorg Chem 2002. [DOI: 10.1021/ic00162a025] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Doyle G, Eriksen KA, Van Engen D. Mixed copper/iron clusters. The preparation and structure of the large planar cluster anions, Cu3Fe3(CO)123- and Cu5Fe4(CO)163-. J Am Chem Soc 2002; 108:445-51. [DOI: 10.1021/ja00263a014] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Olson NZ, Otero AM, Marrero I, Tirado S, Cooper S, Doyle G, Jayawardena S, Sunshine A. Onset of analgesia for liquigel ibuprofen 400 mg, acetaminophen 1000 mg, ketoprofen 25 mg, and placebo in the treatment of postoperative dental pain. J Clin Pharmacol 2001; 41:1238-47. [PMID: 11697757 DOI: 10.1177/00912700122012797] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Ibuprofen is a peripherally acting nonsteroidal anti-inflammatory drug indicated fo ranalgesia, antipyresis, and various arthritic conditions. A solubilized 200 mg liquigel formulation of ibuprofen has been shown to have a more rapid rate of absorption compared with ibuprofen 200 mg tablets. Ibuprofen liquigels have a kinetic profile similar to ibuprofen suspension, with both a higher Cmax and an earlier tmax than any solid tablet. The objective of this single-dose, double-blind, triple-dummy, parallel-group study was to assess the time to onset of relief and overall analgesic efficacy of liquigel ibuprofen 400 mg, ketoprofen 25 mg compared with acetaminophen 1000 mg, and placebo in 239 patients with moderate or severe pain following third molar extractions. Treatments were compared over 6 hours using standard scales for pain intensity and relief and stopwatch onset of meaningful relief. All active treatments provided meaningful relief significantly faster compared with placebo. Ibuprofen provided significantly faster relief compared with acetaminophen and ketoprofen. By the end of the study (6 h), onset of meaningful relief was achieved by 36%, 99%, 96%, and 88% of the patients in the placebo, ketoprofen, ibuprofen, and acetaminophen groups, respectively. The median times to onset of relief were > 6 hours for placebo, 25.5 minutes for ketoprofen, 24.2 minutes for ibuprofen, and 29.9 minutes for acetaminophen. In addition, both ibuprofen and ketoprofen showed statistical superiority over acetaminophen at earlier time points on the time-effect curves for pain relief and pain intensity difference. Consistent results were seen with respect to the 6-hour summary efficacy variables: the three active treatments were significantly better than placebo, and ibuprofen was significantly better than both acetaminophen and ketoprofen. Liquigel ibuprofen 400 mg was shown to provide faster relief and superior overall efficacy compared with ketoprofen 25 mg, acetaminophen 1000 mg, and placebo. No serious adverse effects were reported in this single-dose study.
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Affiliation(s)
- N Z Olson
- Analgesic Development, Ltd, New York NY 10022-1009, USA
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31
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Moreno JG, O'Hara SM, Gross S, Doyle G, Fritsche H, Gomella LG, Terstappen LW. Changes in circulating carcinoma cells in patients with metastatic prostate cancer correlate with disease status. Urology 2001; 58:386-92. [PMID: 11549486 DOI: 10.1016/s0090-4295(01)01191-8] [Citation(s) in RCA: 126] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
OBJECTIVES To investigate the diurnal variations in circulating tumor cells (CTCs) in metastatic carcinoma of the prostate (CAP) and to determine whether the change in CTCs correlated with disease progression. METHODS Samples were prepared by immunomagnetic selection of cells from 7 mL of blood targeting the epithelial cell adhesion molecule and differential fluorescent labeling of the collected cells using a nucleic acid dye, antibodies directed against the common leukocyte (CD45), and cytokeratin antigens. Events that stained with the nucleic acid dye and expressed cytokeratin but lacked CD45 were defined as CTCs by multiparameter flow cytometry. RESULTS Male controls (n = 22) exhibited 0.8 +/- 1.2 events per 7 mL blood compared with 5.9 +/- 4.7 in 10 samples from patients with localized CAP and 46.6 +/- 65.6 events in 10 samples from patients with metastatic CAP. Diurnal testing of 8 cases demonstrated stable levels of CTCs. Ten patients were serially analyzed during a 6-month period for serum prostate-specific antigen and CTCs. The correlation between the prostate-specific antigen level and CTC number was fair. Slow disease progression was found in 4 patients with low CTC numbers (3.0 +/- 3) but it was significantly higher than the control group (P <0.002). Rapid disease progression occurred in 6 patients who demonstrated high CTC numbers (68.5 +/- 71.9). Two patients received chemotherapy that caused substantial fluctuations in the CTCs with less pronounced changes in the prostate-specific antigen level. CONCLUSIONS We conclude that the level of CTCs can be quantified in the circulation of patients with metastatic CAP and that the change in CTCs correlates with disease progression with no diurnal variations.
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Affiliation(s)
- J G Moreno
- Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
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32
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Abstract
BACKGROUND Ibuprofen liquigel is a solubilized potassium ibuprofen 200-mg gelatin capsule formulation that was approved for over-the-counter use in 1995. OBJECTIVE This study compared the analgesic efficacy and tolerability of ibuprofen liquigel 200 mg, ibuprofen liquigel 400 mg, acetaminophen caplets 1000 mg, and placebo in patients experiencing moderate or severe pain after surgical removal of impacted third molars. METHODS This randomized, double-blind, parallel-group, 6-hour study was conducted in 210 patients experiencing moderate or severe postoperative pain. Ratings of pain intensity and pain relief were recorded every 15 minutes for the first hour, at 90 and 120 minutes, and then hourly through hour 6. The onsets of first perceptible relief and meaningful relief were recorded using 2 stopwatches. An analysis of variance model was employed to test for significant differences (P < or = 0.05) between treatment groups with respect to pain relief, pain intensity difference, total pain relief (TOTPAR), and summed pain intensity difference (SPID). Stopwatch measures were analyzed using the Cox proportional hazards model. Drug tolerability was assessed by monitoring the occurrence of adverse events. RESULTS During the first 2 hours of the study (TOTPAR 2 and SPID 2), all active treatments were significantly more efficacious than placebo (P < 0.001), with ibuprofen liquigel 200 and 400 mg significantly more efficacious than acetaminophen 1000 mg (P < 0.05 and P < 0.01, respectively). For the entire duration of the study (TOTPAR 6 and SPID 6), only the 2 doses of ibuprofen liquigel were significantly more efficacious than placebo (P < 0.001). Ibuprofen liquigel 200 and 400 mg were also significantly more efficacious than acetaminophen 1000 mg on the summary measures TOTPAR 6 and SPID 6 (P < 0.01 and P < 0.001, respectively). Analysis of the stopwatch data revealed that all active treatments displayed significantly more rapid onsets to confirmed first perceptible relief (P < 0.001 to < 0.05) and meaningful relief (P < 0.001 to < 0.01) than did placebo, with ibuprofen liquigel 400 mg displaying a significantly more rapid onset to meaningful relief than acetaminophen 1000 mg (P < 0.05) and a significantly more rapid onset to confirmed first perceptible relief than acetaminophen 1000 mg (P < 0.001) and ibuprofen liquigel 200 mg (P < 0.01). All adverse events were considered mild or moderate, with an overall incidence of 11.5% in the ibuprofen liquigel 200-mg group, 6.8% in the ibuprofen liquigel 400-mg group, 19.0% in the acetaminophen 1000-mg group, and 25.9% in the placebo group. CONCLUSIONS Ibuprofen liquigel provided greater peak and overall analgesic effects and a more rapid onset to analgesia than did acetaminophen 1000 mg.
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Affiliation(s)
- E V Hersh
- University of Pennsylvania School of Dental Medicine, Philadelphia 19104-6003, USA
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Paquette D, Snider J, Bouchard F, Olivotto I, Bryant H, Decker K, Doyle G. Performance of screening mammography in organized programs in Canada in 1996. The Database Management Subcommittee to the National Committee for the Canadian Breast Cancer Screening Initiative. CMAJ 2000; 163:1133-8. [PMID: 11079057 PMCID: PMC80245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023] Open
Abstract
BACKGROUND The results of randomized trials show that breast cancer screening by mammography reduces breast cancer mortality by up to 40% in women aged 50-69 years. Because of these results, by 1998, 22 countries, including Canada, had established population-based organized screening programs. This paper presents the results of screening mammography in 1996 for 7 provincially organized breast cancer screening programs in Canada. METHODS Analyses of interim performance indicators for screening mammography have been calculated from data submitted to the Canadian Breast Cancer Screening database. The data set consisted of data from 7 provincial programs and was limited to mammographic screens for women aged 50-69 years (n = 203,303). Screening outcomes and performance indicators were calculated for abnormalities detected by screening mammography only. RESULTS The abnormal recall rate was 9.5% for first screens and 4.6% for subsequent screens, and the cancer detection rate per 1000 women screened was 6.9 for first screens and 3.8 for subsequent screens. The positive predictive value (i.e., the proportion of women who tested positive by mammography who were found to have breast cancer on screen-initiated diagnostic work-up) increased from 7.2% at the first screen to 8.2% at subsequent screens. Estimated participation rates within organized programs varied from 10.6% to 54.2%, depending on the province. INTERPRETATION For 1996, organized breast cancer screening programs met or exceeded many of the interim measures used in international programs. It is possible to translate the benefits of breast cancer screening by mammography, as demonstrated in randomized trials, into population-based community programs. Screening mammography through organized programs should increase to allow more comprehensive monitoring in Canada.
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Affiliation(s)
- D Paquette
- Centre for Chronic Disease Prevention and Control (Formerly the Laboratory Centre for Disease Control), Health Canada, Ottawa, Ont
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34
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Packman B, Packman E, Doyle G, Cooper S, Ashraf E, Koronkiewicz K, Jayawardena S. Solubilized ibuprofen: evaluation of onset, relief, and safety of a novel formulation in the treatment of episodic tension-type headache. Headache 2000; 40:561-7. [PMID: 10940094 DOI: 10.1046/j.1526-4610.2000.00087.x] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To evaluate the relative efficacy of a new solubilized formulation of ibuprofen compared with acetaminophen caplets. METHODS This double-blind, randomized, parallel group study evaluated 154 subjects taking a single dose of solubilized ibuprofen, 400 mg; acetaminophen, 1000 mg; or placebo for the relief of episodic tension-type headache. Time to relief was measured using a stopwatch, and overall efficacy was measured using traditional categorical pain and relief scales. RESULTS Ibuprofen capsules (liquigel), 400 mg, were significantly faster than both acetaminophen, 1000 mg, and placebo for all time-to-relief measures. Ibuprofen liquigel had a median time to first perceptible pain relief of 39 minutes compared with 47 minutes for acetaminophen and 113 minutes for placebo. For median time to meaningful relief, ibuprofen liquigel had a time of 39 minutes compared with 53 minutes for acetaminophen and more than 180 minutes for placebo (P</=.02 for both measures). In addition, ibuprofen liquigels demonstrated significantly superior overall analgesic efficacy compared with acetaminophen, 1000 mg, for the relief of episodic tension-type headache. Both active treatments had a side effect profile similar to placebo. CONCLUSIONS Although several other studies have demonstrated the overall analgesic superiority of ibuprofen to acetaminophen, this study demonstrated that the liquigel formulation also provides a clinically relevant advantage for time to analgesic effects.
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Affiliation(s)
- B Packman
- Institute for Applied Pharmaceutical Research, Philadelphia, PA, USA
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35
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Price RB, Doyle G, Murphy D. Effects of composite thickness on the shear bond strength to dentin. J Can Dent Assoc 2000; 66:35-9. [PMID: 10680332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
The manufacturers of some condensable posterior composites claim that their products can be placed in bulk and light-cured in 5-mm-thick increments. This study compared the shear bond strengths of three composite resins when bonded to dentin in 2- and 5-mm-thick increments. Overall the bond strengths were adversely affected by the composite thickness (p < 0.0001). The shear bond strength of each composite tested was much lower when polymerized in a 5-mm increment than in a 2-mm increment of composite (p < or = 0.0005). The two condensable composites tested had a lower bond strength than the conventional composite when polymerized in a 5-mm bulk increment (p < or = 0.01).
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Affiliation(s)
- R B Price
- Department of Dental Clinical Sciences, Faculty of Dentistry, Dalhousie University, Halifax
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Abstract
BACKGROUND Delineation of non-steroidal anti-inflammatory drug (NSAID) gastrointestinal toxicity has largely depended on retrospective epidemiologic studies which demonstrate that lower doses of NSAIDs pose a lower risk of gastrointestinal toxicity. Ibuprofen, a propionic acid NSAID, has, in most such studies, exhibited a favourable profile in terms of gastrointestinal bleeding. Since 1984, ibuprofen has been available as a non-prescription analgesic/antipyretic with a limit of 1200 mg/day for 10 days of continuous use. Trials and spontaneously reported adverse experiences suggest that gastrointestinal symptoms and bleeding are rare. METHODS This study prospectively evaluated the gastrointestinal tolerability, as compared to placebo, of the maximum non-prescription dose and duration of ibuprofen use in healthy subjects representative of a non-prescription analgesic user population. RESULTS Gastrointestinal adverse experiences were similar in the placebo and ibuprofen groups (67 out of 413, 16% with placebo vs. 161 out of 833, 19% with ibuprofen). There was no difference between the two groups in the proportion discontinuing due to a gastrointestinal event. Gastrointestinal adverse experiences reported by >/= 1% of subjects were: dyspepsia, abdominal pain, nausea, diarrhoea, flatulence, and constipation. Seventeen (1.4%) subjects had positive occult blood tests: their frequency was comparable between treatments. CONCLUSIONS When used as directed to treat episodic pain, non-prescription ibuprofen at the maximum dose of 1200 mg/day for 10 days, is well-tolerated.
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Affiliation(s)
- G Doyle
- Clinical Research Department, Whitehall-Robins Healthcare, Madison, New Jersey, USA
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37
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Wong JK, Mustard R, Gray RR, Sadler DJ, Sanabria J, Bohnen JM, Schouten BD, Doyle G, Pugash RA. Predicting infection in localized intraabdominal fluid collections: value of pH and pO2 measurements. J Vasc Interv Radiol 1999; 10:421-7. [PMID: 10229469 DOI: 10.1016/s1051-0443(99)70059-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
PURPOSE To evaluate the use of pH, pO2, and the subjective opinion of the radiologist compared with bacterial culture in accurate diagnoses of bacterial infection in intraabdominal fluid collections. MATERIALS AND METHODS Prospectively, 79 patients who were suspected of having an intraabdominal fluid collection underwent diagnostic fluid aspiration. The aspirate was cultured and measured for pH and pO2. A pH < or = 7.1 and a PO2 < or = 49 mm Hg were threshold values used to separate infected from sterile fluid collections. RESULTS pH alone had a 92% sensitivity and 79% specificity, whereas PO2 alone had a 51% sensitivity and 79% specificity. pH or pO2 combined yielded a 92% sensitivity and 60% specificity. The radiologist's opinion produced a 83% sensitivity and 92% specificity. pH and the radiologist's opinion combined produced a 78% sensitivity and 96% specificity. pH or the radiologist's opinion combined had a 95% sensitivity and a 63% specificity. CONCLUSION pH is the most sensitive indicator of infection and the radiologist's opinion is the most specific. We recommend proceeding to drainage if the radiologist believes the collection to be infected and performing pH analysis if not. If the pH < or = 7.04, proceed to drainage. If neither of the above criteria are met, drainage could be delayed, pending the results of culture.
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Affiliation(s)
- J K Wong
- Foothills Hospital, Calgary, Alberta, Canada
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38
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Doyle G, Simmons M, Granke K. Axillary vein thrombosis during pregnancy in association with a lupus anticoagulant. W V Med J 1998; 94:87-9. [PMID: 9581509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A 42-year-old multiparous pregnant woman presented with swelling and pain of the left arm at 34 weeks gestation. She had no discoloration of her arm nor a loss of radial pulse. Duplex scanning demonstrated a thrombosis in the axillary vein. She was found to have a positive circulating lupus anticoagulant. Intravenous heparin was administered and resulted in resolution of discomfort and swelling on day four of therapy. The patient was maintained on therapeutic doses of subcutaneous heparin until vaginal delivery at 39 weeks. Prenatal course was complicated by a resolving infection believed to be due to cat-scratch disease which produced a five centimeter cystic lesion in the left axillae which was removed in the first trimester. Titers for cat-scratch disease were positive for mother and infant at delivery but infant titers were negative at six weeks. Axillary vein thrombosis in pregnancy can be complicated by pulmonary embolism and should be treated by heparin.
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Affiliation(s)
- G Doyle
- Department of Family Medicine, West Virginia University School of Medicine, Morgantown, USA
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39
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Schneerman MC, Lee WS, Doyle G, Weber DF. RFLP mapping of the centromere of chromosome 4 in maize using isochromosomes for 4S. Theor Appl Genet 1998; 96:361-366. [PMID: 24710872 DOI: 10.1007/s001220050749] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The centromere of maize chromosome 4 was previously localized to a 26-cM interval using molecular markers and B-A translocations. The objective of the present study was to refine the placement of the centromere using secondary trisomics. Two independently isolated secondary trisomics (having an isochromosome plus two normal homologs) for 4S were recovered. RFLP analysis of populations segregating for them placed the centromere of chromosome 4 between bnl15.45 and bnl7.20, two RFLP loci that are 5.4-cM apart on the UMC map and 11.5-cM apart on the BNL map.
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Affiliation(s)
- M C Schneerman
- Genetics Group, Department of Biological Sciences, Illinois State University, Normal, IL 61790-4120, USA , US
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40
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Gerrow JD, Boyd MA, Doyle G, Scott D. Clinical evaluation in prosthodontics: practical methods to improve validity and reliability at the undergraduate level. J Prosthet Dent 1996; 75:675-80. [PMID: 8725846 DOI: 10.1016/s0022-3913(96)90256-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The potential causes of reliability and validity problems with traditional methods of evaluating a student's clinical prosthodontic skills are reviewed. Practical methods of evaluating critical skills in a reliable and valid way are presented. These methods include clinical tests using written criteria and anonymous examiners, skills assessment by faculty members, patient-based written examinations, and bell ringer examinations.
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Affiliation(s)
- J D Gerrow
- Faculty of Dentistry, Dalhousie University, Halifax, N.S., Canada
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41
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Affiliation(s)
- G Doyle
- Young People's Department, St Luke's Hospital, Middlesbrough
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Vella J, Carmody M, Campbell E, Browne O, Doyle G, Donohoe J. Glomerulonephritis after ventriculo-atrial shunt. QJM 1995; 88:911-8. [PMID: 8593552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
We describe five patients with glomerulonephritis (GN) associated with cerebrospinal fluid shunt insertion to relieve hydrocephalus. A ventriculo-atrial (V-A) shunt had been placed on average 12.5 years prior to the diagnosis of nephritis (range 0.5-21 years). Four patients developed membranoproliferative glomerulonephritis (MPGN) with associated hypocomplementaemia. A single patient developed focal proliferative glomerulonephritis. Coagulase-negative staphylococci were cultured in four patients, either from blood or from the shunt. Four patients had their shunts removed, two of whom also received antibiotics. The other patient received antibiotics alone for infective endocarditis due to staphylococcal bacteraemia which originated in the shunt. All patients had substantial renal impairment at the time of diagnosis (GFR, glomerular filtration rate, 20-45 ml/min). There was significant improvement in renal function after appropriate treatment; four of the five patients doubled their GFRs and two patients regained normal function.
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Affiliation(s)
- J Vella
- Department of Nephrology, Beaumont Hospital, Dublin, Ireland
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Farrell J, Gill D, Doyle G, Walshe JJ, Barry-Kinsella C, Doyle M, Farrell J, Walshe J, Abernathy VE, Murnaghan DJ, Higgins J, Darling M, Halligan A, O’Brien E, Conroy R, Walshe JJ, Middleton D, Martin J, Douglas JF, Vella J, Burke P, Hickey D, Staunton C, Little D, Keeling F, O’Callaghan J, Bouchier-Hayes D, Carmody M, Walshe J, Donohoe J, Buckley A, O’Meara N, McMahon M, Cronin CJ, Jefferson JA, Maxwell AP, Doherty CC, Hughes AE, Nevin NC, Browne G, Keogh JAB, Jefferson JA, Wright GD, Hughes AE, Doherty CC, Nevin NC, Spencer S, Spencer R, Hickey D, Walshe JJ, Spencer S, Murphy D, Farrell J, Walshe JJ, Maxwell AP, Doherty CC, Fogarty DG, Hughes AE, Nevin NC, Vella J, Campbell E, Doyle G, Carmody M, Donohoe J, Thomas G, Kelly D, Crosbie O, Hegarty J, Crowley C, Watson A, Keogh B, Tormey V, Conlon P, Farrell J, Horgan J, Donohoe J, Walshe JJ, Stafford DB, Johnson J, O’Callaghan J, Walshe J, Murphy BG, Yong A, McNamee PT, Leavey S, O’Neill D, Jennings S, Doyle G, Donohoe J, Carmody M. Irish nephrological society. Ir J Med Sci 1995. [DOI: 10.1007/bf02967210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Doyle G. Child sexual abuse--looking in the wrong direction? Br J Psychiatry 1994; 165:406. [PMID: 7864976 DOI: 10.1192/bjp.165.3.406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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Doyle G. Chicken Little on the sidelines. J Med Assoc Ga 1994; 83:341-2. [PMID: 8071631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Buhl ML, Long GJ, Doyle G. A Mössbauer effect and Fenske-Hall molecular orbital study of the bonding in a series of organoiron-copper clusters. J Organomet Chem 1993. [DOI: 10.1016/0022-328x(93)83292-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Taylor IW, Taylor T, James I, Doyle G, Dorf G, Darragh A, Chasseaud LF. Pharmacokinetics of the anti-inflammatory drug ximoprofen in healthy subjects and in disease states. Eur J Clin Pharmacol 1991; 40:101-6. [PMID: 2060536 DOI: 10.1007/bf00315147] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The pharmacokinetics of ximoprofen, a potent new non-steroidal anti-inflammatory agent, has been investigated in normal healthy subjects and in patients with hepatic or renal disease. After intravenous infusion of 22.8 mg to healthy subjects, plasma ximoprofen concentrations declined in a polyexponential manner with a terminal phase half-life of 1.9 h. The systemic clearance of ximoprofen was 115 ml.min-1 and the volumes of distribution were 18.01 Vz and 13.81 Vss. Ximoprofen was 80-90% bound to plasma proteins. The systemic availabilities (f) of orally and rectally administered doses of 30 mg of ximoprofen were 98% and 56% respectively and, in the case of the rectal dose, absorption appeared to be prolonged leading to "flip-flop" kinetics. After single oral doses of 30 mg of ximoprofen to patients with hepatic disease, half-life (2.2 h), peak plasma concentrations (1.55 micrograms.ml-1 cf 1.04 micrograms.ml-1 in healthy subjects) and areas under the curve (6.12 micrograms.h.ml-1 cf 3.54 micrograms.h.ml-1 in healthy subjects) were significantly different from those in healthy subjects. After single oral doses of 30 mg of ximoprofen to patients with renal disease, pharmacokinetic parameters of half-life (4.0 h), mean residence time (6.0 h) and area under the curve (9.2 micrograms.h.ml-1) were significantly different from those in healthy subjects. There were no significant differences in pharmacokinetic parameters between patients having differing degrees of renal disease. These data nevertheless suggest that accumulation of ximoprofen in hepatic or renal disease would be of slight or negligible clinical relevance and that no alteration of the dose regimen (up to 15 mg twice daily) may be required when ximoprofen is administered in these disease states.
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Affiliation(s)
- I W Taylor
- Department of Metabolism and Pharmacokinetics, Huntington Research Centre Ltd., Cambridgeshire, UK
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Green A, O'Meara Y, Sheehan J, Carmody M, Doyle G, Donohoe J. The use of cyclosporin A in adult nephrotic syndrome: nine cases and literature review. Ir J Med Sci 1990; 159:178-81. [PMID: 2228527 DOI: 10.1007/bf02937238] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Nine adult patients with resistant nephrotic syndrome were treated with cyclosporin A (CyA). All had failed to respond to high dose corticosteroids with or without cyclophosphamide. Three patients had minimal change disease, 3 had focal sclerosing glomerulosclerosis (FSGS), 2 had mesangiocapillary GN, and one had membranous nephropathy. The mean age of the patients was 26.4 years (range 16 to 39 years). CyA was given orally twice daily at a mean dose of 6.7 mg/kg/24 hours (range 6-10 mg/kg/24 hours). Four patients achieved full remission, two patients went into partial remission and three failed to respond. Two patients developed clinical nephrotoxicity, which reversed on dose reduction or cessation of CyA. All 3 patients with minimal change disease who responded subsequently relapsed after stopping CyA, but remitted rapidly on reintroduction of the drug. We suggest that the mode of action of CyA in nephrotic syndrome may be related to intra-renal vasoconstriction in addition to its direct immunosuppressive effect. In this limited series, we found that CyA can be an effective therapy for otherwise refractory nephrotic syndrome, although relapse on withdrawal of CyA may well be a significant clinical problem.
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Affiliation(s)
- A Green
- Department of Nephrology, Beaumont Hospital, Dublin
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O'Meara Y, Green A, Carmody M, Doyle G, Donohoe J. Systemic vasculitis with renal involvement--a review. Ir J Med Sci 1989; 158:300-3. [PMID: 2697709 DOI: 10.1007/bf02983692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Twenty five patients with renal vasculitis presenting over an eight year period were reviewed. Ten had microscopic polyarteritis, 6 classic polyarteritis, 5 overlap syndrome, 2 Churg-Strauss syndrome and 2 Wegener's granulomatosis. Clinical features included hypertension, pulmonary involvement, neurological involvement and arthralgia. Serum creatinine was over 500 umol/l in 13 patients, 10 of whom required dialysis. Visceral angiography was positive in 80% of those studied, Focal and segmental necrotising glomerulonephritis was the commonest renal lesion. Treatment consisted of corticosteroids and cytotoxic agents in most cases. Plasmapheresis was used for rapidly progressive renal failure, severe pulmonary haemorrhage or cerebral vasculitis. Improvement or stabilisation of renal function was seen in 68% of patients treated. There were 4 early deaths and one late death. The diagnosis, histology, treatment and outcome of renal vasculitis is discussed. The importance of early diagnosis and treatment is emphasised in this potentially reversible cause of acute renal failure.
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Pero RW, Johnson DB, Markowitz M, Doyle G, Lund-Pero M, Seidegard J, Halper M, Miller DG. DNA repair synthesis in individuals with and without a family history of cancer. Carcinogenesis 1989; 10:693-7. [PMID: 2702717 DOI: 10.1093/carcin/10.4.693] [Citation(s) in RCA: 32] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
The influence of family history on DNA repair synthesis, unscheduled DNA synthesis (UDS), was assessed in volunteers with or without a family history of cancer. UDS, following treatment of mononuclear leukocytes with N-acetoxy-2-acetylaminofluorene, was measured as the incorporation of [3H]thymidine into DNA in the presence of hydroxyurea. The positive family history group (n = 71) had an average of 2.4 first-degree relatives with cancer, defined as any major cancer, excluding skin cancer: 31 participants reported that cancer occurred in both their parents. The "no family history' comparison group (n = 29) had no family history of cancer through the second degree. There was a significant reduction in UDS in cells from individuals with family history, compared to those with no family history (P greater than 0.002). This relationship was not explained by factors known to influence UDS, such as age, smoking or hypertension. We conclude that reduced UDS in mononuclear leukocytes is associated with a family history of any major cancer, and is not confined to a history of cancer of any single organ site. This conclusion is further supported by the observation that individuals (n = 13) with parents who had an earlier onset of cancer (less than 60 years) also had a significantly lower DNA repair synthesis than those (n = 18) whose parents had later diagnosis of cancer (greater than 60 years).
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Affiliation(s)
- R W Pero
- PMI-Strang Clinic, Division of Biochemical Epidemiology, New York, NY 10016
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