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227 Canalith Repositioning Maneuvers (CRM) for Benign Paroxysmal Positional Vertigo (BPPV): A Synthesis of Systematic Reviews. Ann Emerg Med 2022. [DOI: 10.1016/j.annemergmed.2022.08.250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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PD-0322 Artificial intelligence organ-at-risk dose prediction for high-risk prostate cancer IMRT. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)02815-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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500 The Four Year Clinical and Economic Impact of an Extended Screening Program for Developmental Dysplasia of the Hip in Cardiff and Vale University Health Board. Br J Surg 2021. [DOI: 10.1093/bjs/znab258.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Aim
Early detection of DDH is associated with the increased success of non-surgical treatment. Therefore, Cardiff and Vale Health Board (CAVUHB) implemented an extended screening program for Developmental dysplasia of the Hip (DDH) to improve neonatal public health within the population.
Method
A 4-year prospective case-control study of all patients born between 01/01/2016-31/12/2019 (n = 21843) who underwent ultrasonographic screening for DDH in CAVUHB. Ultrasounds were graded using Graf’s classification, with treatment outcomes determined by patient’s records and costings based on NHS tariffs.
Results
Screening of those with risk factors diagnosed 49% of treated DDH cases. Screening for risk factors cost CAVUHB £175,000 per annum, with a cost per favourable outcome of £12351. The mean cost of DDH treatment of a late presenting patient was £23,782, incurring a cost reduction of 48%. Cost-effectiveness and positive predictive value (PPV) of calcaneovalgus malformations, oligohydramnios, and plagiocephaly demonstrating PPV similar to that of primary risk factors. Calcaneovalgus malformations demonstrated significantly higher PPV than primary risk factors for DDH (p < 0.05).
Conclusions
CAVUHB cost-effectively reduced morbidity and surgical mortality within the neonatal population, as a result of its extended screening program for DDH. The novel findings of prevalence and predictive value of secondary risk factors as a marker of treatable DDH are significant, as currently they are not included in the national new-born and infant physical examination (NIPE) guidance. High predictive value with low population prevalence indicates that these are cost reducing and clinically valuable markers of disease that could provide value if within a national screening program.
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192 An Audit of The Delivery of Paediatric Orthopaedic Services at The Bristol Royal Children’s Hospital in Response to The British Orthopaedic Association Standards for Trauma (BOAST) COVID-19 Guidance. Br J Surg 2021. [PMCID: PMC8135796 DOI: 10.1093/bjs/znab134.241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Introduction Guidance from the BOAST helped structure our paediatric orthopaedic service n response to COVID-19. We assessed our compliance with 'BOAST COVID-19 standards', whether it is possible to run a safe and effective paediatric orthopaedic service. Method We performed a prospective audit of clinic and theatre data (16th March to 30th April 2020), from the paediatric orthopaedic department at the BRCH against the 'BOAST COVID-19 standards'. We also performed a retrospective audit. Results Patients booked into acute fracture clinic (AFC) and fracture clinic follow-up (FFO) reduced by 40% and 48% respectively from 2019 to 2020. A virtual fracture clinic (VFC) was implemented with an increasing trend seen. The number of patient initiated follow-up appointments increased in AFC and FFO from 16% to 75% and 12% to 35% respectively. Radiography was reduced; only 17% and 39% of AFC and FFO patients respectively required radiographs. On-call referrals and trauma cases dropped by 50% with similar case mix year-on-year. All elective operating was cancelled in 2020. Conclusions By reducing clinic admissions and theatre throughput, it was possible to run an effective paediatric orthopaedic service in a busy tertiary referral centre. Our aim now is to determine the long-term efficacy, cost, and sustainability of our COVID-19 service.
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A Prospective, Correlative Study Evaluating the Use of an AI-guided Decision Software for Improved Dental Management Prior to Head and Neck Radiotherapy. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.2262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Predictive Dosimetry Using Machine Learning to Guide Dental Management and Extractions Prior to Head and Neck Radiotherapy. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Quantifying Temporal Trends and the Impact of Advances in Radiation Planning on Heart and Lung Dose for Lung Cancer Treatment Using a Machine Learning Model. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.2167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Dosimetric Tradeoffs of Mean Heart Dose Reduction Predicted by Machine Learning–Guided Decision Support Software in Lung Cancer. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.2537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Identical and Nonidentical Twins: Risk and Factors Involved in Development of Islet Autoimmunity and Type 1 Diabetes. Diabetes Care 2019; 42:192-199. [PMID: 30061316 PMCID: PMC6341285 DOI: 10.2337/dc18-0288] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 06/28/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE There are variable reports of risk of concordance for progression to islet autoantibodies and type 1 diabetes in identical twins after one twin is diagnosed. We examined development of positive autoantibodies and type 1 diabetes and the effects of genetic factors and common environment on autoantibody positivity in identical twins, nonidentical twins, and full siblings. RESEARCH DESIGN AND METHODS Subjects from the TrialNet Pathway to Prevention Study (N = 48,026) were screened from 2004 to 2015 for islet autoantibodies (GAD antibody [GADA], insulinoma-associated antigen 2 [IA-2A], and autoantibodies against insulin [IAA]). Of these subjects, 17,226 (157 identical twins, 283 nonidentical twins, and 16,786 full siblings) were followed for autoantibody positivity or type 1 diabetes for a median of 2.1 years. RESULTS At screening, identical twins were more likely to have positive GADA, IA-2A, and IAA than nonidentical twins or full siblings (all P < 0.0001). Younger age, male sex, and genetic factors were significant factors for expression of IA-2A, IAA, one or more positive autoantibodies, and two or more positive autoantibodies (all P ≤ 0.03). Initially autoantibody-positive identical twins had a 69% risk of diabetes by 3 years compared with 1.5% for initially autoantibody-negative identical twins. In nonidentical twins, type 1 diabetes risk by 3 years was 72% for initially multiple autoantibody-positive, 13% for single autoantibody-positive, and 0% for initially autoantibody-negative nonidentical twins. Full siblings had a 3-year type 1 diabetes risk of 47% for multiple autoantibody-positive, 12% for single autoantibody-positive, and 0.5% for initially autoantibody-negative subjects. CONCLUSIONS Risk of type 1 diabetes at 3 years is high for initially multiple and single autoantibody-positive identical twins and multiple autoantibody-positive nonidentical twins. Genetic predisposition, age, and male sex are significant risk factors for development of positive autoantibodies in twins.
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Azobenzene Hydrogels as Stimuli-Responsive, Antibacterial Oral Drug Delivery Networks. Dent Mater 2019. [DOI: 10.1016/j.dental.2019.08.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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PSXV-35 Impacts of bovine maternal nutrition on muscle fiber type in skeletal muscle of the progeny. J Anim Sci 2018. [DOI: 10.1093/jas/sky404.529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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94DEVELOPING INTERNATIONAL STANDARDS FOR THE CARE OF OLDER PEOPLE IN THE EMERGENCY DEPARTMENT. Age Ageing 2018. [DOI: 10.1093/ageing/afy126.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Abstract OT3-06-07: A phase I/II dose escalation and expansion study to investigate the safety, pharmacokinetics, pharmacodynamics and clinical activity of GSK525762 in combination with fulvestrant in subjects with ER+ breast cancer. Cancer Res 2018. [DOI: 10.1158/1538-7445.sabcs17-ot3-06-07] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background:
Advanced or metastatic ER+BC (estrogen receptor positive breast cancer) is an incurable illness that will prove fatal for most afflicted women. Current standards of care include endocrine, targeted, and chemotherapy. Preclinical data suggest that altering the expression of the estrogen receptor (ER) as well as other ER-responsive genes may provide therapeutic benefit for women for whom endocrine therapy alone has proven inadequate. The bromodomain (BRD) and extra-terminal (BET) family of proteins (BRD2, BRD3, BRD4 and BRDT) bind to acetyl-histone residues and epigenetically control transcription of genes driving cell survival and proliferation. BET proteins have been implicated in carcinogenesis and treatment resistance in multiple tumors including ER+BC, and are a novel target for therapy in breast cancer. GSK525762 is a pan-BET inhibitor that has shown strong synergistic activity with fulvestrant in killing ER+BC cells in vitro and in xenograft models. The combination of BET agents with endocrine therapy may provide therapeutic benefit and restore sensitivity to ER targeting agents like fulvestrant.
Trial Design & Specific Aims:
This study is a Phase I/II dose-escalation, expansion (Phase I) and randomized control (Phase II) study with oral administration of GSK525762 in combination with fulvestrant in advanced or metastatic ER+BC subjects, whose disease has progressed on prior treatment with at least one line of endocrine therapy.
Phase I of the study is designed as parallel single arms to determine a recommended Phase 2 dose (RP2D) based on safety, tolerability, pharmacokinetic, and efficacy profiles in two distinct populations of ER+ breast cancer:
Subjects with disease that relapsed during treatment or within 12 months of adjuvant therapy with an AI, OR disease that progressed during treatment with an AI for advanced/metastatic disease.
OR
Subjects with disease that progressed during treatment with the combination of a CDK4/6 inhibitor plus letrozole for advanced or metastatic disease.
Phase II of the study is a randomized, double-blind, placebo-controlled cohort, designed to evaluate the efficacy of the combination.
Key Eligibility Criteria: Patients must have received <3 lines of systemic anti-cancer therapy (≤1 line of chemo), measurable disease, and PS 0-1.
Statistical Methods: A modified toxicity probability interval (mTPI) design will be used to monitor safety. A Bayesian adaptive design will be used to evaluate efficacy in Phase 1.
Present and Target Accrual: Target enrolment will be ˜300 subjects across ˜50 sites worldwide. To date, 2 subjects have been enrolled.
Contact Information: Elizabeth Cunningham, Elizabeth.A.Cunningham@GSK.com.
NCT02964507
Funding: GSK
Citation Format: Pluard T, Oh SY, Oliveira M, Cescon D, Tan-Chiu E, Wu Y, Carpenter C, Cunningham E, Ballas M, Dhar A, Sparano J. A phase I/II dose escalation and expansion study to investigate the safety, pharmacokinetics, pharmacodynamics and clinical activity of GSK525762 in combination with fulvestrant in subjects with ER+ breast cancer [abstract]. In: Proceedings of the 2017 San Antonio Breast Cancer Symposium; 2017 Dec 5-9; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2018;78(4 Suppl):Abstract nr OT3-06-07.
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OC-0253: Machine Learning-Based Enables Data-driven Radiotherapy Treatment Planning Decision Support. Radiother Oncol 2017. [DOI: 10.1016/s0167-8140(17)30696-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Attitudes and understanding of exercise and healthy lifestyles in people with mild to moderate sub-acute stroke. Physiotherapy 2016. [DOI: 10.1016/j.physio.2016.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Pilot Study of the Dose-Sparing Capability and Interfraction Repeatability of a Shape-Optimized Endorectal Balloon for Proton Beam Prostate Cancer Treatment. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.1115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Who does it better? Comparison of trauma care and pelvic binder use at two hospitals in wales. Int J Surg 2015. [DOI: 10.1016/j.ijsu.2015.07.522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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A Comparison of Complications of Total Wrist Fusion and Silastic Arthroplasty. Geriatr Orthop Surg Rehabil 2015; 5:213. [PMID: 26246945 PMCID: PMC4252155 DOI: 10.1177/2151458514543003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
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Relationships between pazopanib exposure and clinical safety and efficacy in patients with advanced renal cell carcinoma. Br J Cancer 2014; 111:1909-16. [PMID: 25349968 PMCID: PMC4229638 DOI: 10.1038/bjc.2014.503] [Citation(s) in RCA: 137] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Revised: 07/29/2014] [Accepted: 08/18/2014] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Pazopanib, an oral angiogenesis inhibitor targeting vascular endothelial growth factor receptor (VEGFR)/platelet-derived growth factor receptor (PDGFR)/c-Kit, is approved in locally advanced/metastatic renal cell carcinoma (RCC). METHODS Data from trials in advanced solid tumours and advanced/metastatic RCC were used to explore the relationships between plasma pazopanib concentrations and biomarker changes, safety, and efficacy. Initially, the relationships between pharmacokinetic parameters and increased blood pressure were investigated, followed by analysis of steady-state trough concentration (Cτ) and sVEGFR2, safety, progression-free survival (PFS), response rate, and tumour shrinkage. Efficacy/safety end points were compared at Cτ decile boundaries. RESULTS Strong correlation between increased blood pressure and Cτ was observed (r(2)=0.91), whereas weak correlation was observed between Cτ and decline from baseline in sVEGFR2 (r(2)=0.27). Cτ threshold of >20.5 μg ml(-1) was associated with improved efficacy (PFS, P<0.004; tumour shrinkage, P<0.001), but there was no appreciable benefit in absolute PFS or tumour shrinkage from Cτ >20.5 μg ml(-1). However, the association of Cτ with certain adverse events, particularly hand-foot syndrome, was continuous over the entire Cτ range. CONCLUSIONS The threshold concentration for efficacy overlaps with concentrations at which toxicity occurs, although some toxicities increase over the entire Cτ range. Monitoring Cτ may optimise systemic exposure to improve clinical benefit and decrease the risk of certain adverse events.
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SU-E-I-80: Beta-Minus Emitting Radiotracers Improves Molecular Endoscopy. Med Phys 2014. [DOI: 10.1118/1.4888030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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TU-F-12A-06: BEST IN PHYSICS (IMAGING) - A Novel Catheter-Based Radionuclide Imaging System to Characterize Atherosclerotic Plaque. Med Phys 2014. [DOI: 10.1118/1.4889361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Scedosporium prolificans osteomyelitis following penetrating injury: A case report. Med Mycol Case Rep 2014; 4:26-9. [PMID: 24855598 PMCID: PMC4024514 DOI: 10.1016/j.mmcr.2014.03.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2014] [Revised: 03/07/2014] [Accepted: 03/12/2014] [Indexed: 11/30/2022] Open
Abstract
Scedosporium prolificans are opportunistic moulds that can cause mycetoma following penetrating injuries. This fungus is more virulent than other species and treatment options are limited. Here we describe the first known case in the UK of S. prolificans osteomyelitis, in a 4 year old following penetrating injury. Successful outcome with limb salvage and foot function is achieved after repeated surgical debridement, and combination chemotherapy with voriconazole/terbinafine.
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Hyperbilirubinemia in pazopanib- or sunitinib-treated patients in COMPARZ is associated with UGT1A1 polymorphisms. Ann Oncol 2013; 24:2927-8. [PMID: 24107802 DOI: 10.1093/annonc/mdt394] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Global health education in U.S. medical schools. BMC MEDICAL EDUCATION 2013; 13:3. [PMID: 23331630 PMCID: PMC3637494 DOI: 10.1186/1472-6920-13-3] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2012] [Accepted: 01/07/2013] [Indexed: 05/03/2023]
Abstract
Interest in global health (GH) among medical students worldwide is measurably increasing. There is a concomitant emphasis on emphasizing globally-relevant health professions education. Through a structured literature review, expert consensus recommendations, and contact with relevant professional organizations, we review the existing state of GH education in US medical schools for which data were available. Several recommendations from professional societies have been developed, along with a renewed emphasis on competencies in global health. The implementation of these recommendations was not observed as being uniform across medical schools, with variation noted in the presence of global health curricula. Recommendations for including GH in medical education are suggested, as well as ways to formalize GH curricula, while providing flexibility for innovation and adaptation.
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352 Final Results of the First in Man Trial of MK4827, a Poly (ADP-ribose) Polymerase (PARP) Inhibitor with Antitumor Activity in BRCA Carriers and Sporadic Cancer Patients. Eur J Cancer 2012. [DOI: 10.1016/s0959-8049(12)72150-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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FDG-Cerenkov Imaging: A Molecular Approach to Real-time Treatment Guidance. Int J Radiat Oncol Biol Phys 2012. [DOI: 10.1016/j.ijrobp.2012.07.2323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Disparities in prevalence of key chronic diseases by gender and race/ethnicity among antiretroviral-treated HIV-infected adults in the US. Antivir Ther 2012; 18:65-75. [PMID: 23111762 DOI: 10.3851/imp2450] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/09/2012] [Indexed: 10/27/2022]
Abstract
BACKGROUND Certain sociodemographic subgroups of HIV-infected patients may experience more chronic disease than others due to behavioural risk factors, advanced HIV disease or complications from extended use of combination antiretroviral therapy (cART), but recent comparative data are limited. METHODS We studied HIV-infected adult patients in care during 2006-2010 who had been prescribed ≥ 6 months of cART. We analysed the prevalence of selected key chronic conditions and polymorbidity (having 2 or more out of 10 key conditions) by gender and race/ethnicity. RESULTS Of the 3,166 HIV-infected patients (median age 47 years, CD4⁺ T-cell count 496 cells/mm³, duration of cART use 6.8 years), 21% were female, 57% were non-Hispanic White and over half were current or former tobacco smokers. The five most frequent conditions among women (median age 45 years) were dyslipidaemia (67.3%), hypertension (57.4%), obesity (31.7%), viral hepatitis B or C coinfection (29.0%) and low high-density lipoprotein cholesterol (HDLc; 27.3%). The five most frequent conditions in men (median age 47 years) were dyslipidaemia (81.2%), hypertension (54.4%), low HDLc (41.1%), elevated triglycerides (32.3%) and elevated non-HDLc (26.8%). In multivariable analyses, Hispanic patients had higher prevalence of obesity and diabetes than White patients; Black patients had higher prevalence of obesity and hypertension but lower rates of lipid abnormalities. Of all patients, 73.7% of women and 66.8% of men had polymorbidity, with no evidence of disparities by race/ethnicity. CONCLUSIONS Among contemporary cART-treated HIV-infected adults, chronic conditions and polymorbidity were common, underscoring the importance of chronic disease prevention and management among ageing HIV-infected patients.
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P62—Hazard evaluation of 6-2 fluorotelomer alcohol (6-2 FTOH), 1,1,2,2-tetrahydroperfluorooctanol. Reprod Toxicol 2012. [DOI: 10.1016/j.reprotox.2011.11.096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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TU-A-BRA-04: Real-Time Metabolic Image-Guidance to Aid Intraoperative Radiation Therapy: Pilot Results in a Small-Animal Model. Med Phys 2012. [DOI: 10.1118/1.4735872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Care managers are an emerging new component of Michigan health care. MICHIGAN MEDICINE 2012; 111:6-7. [PMID: 22594154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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Abstract
GENI, the Global Environment for Network Innovations, is a National Science Foundation project to create a "virtual laboratory at the frontiers of network science and engineering for exploring future internets at scale." It provides researchers, educators, and students with resources that they can use to build their own networks that span the country and---through federation---the world. GENI enables experimenters to try out bold new network architectures and designs for networked systems, and to deploy and evaluate these systems on a diverse set of resources over a large footprint.
This tutorial is a starting point for running experiments on GENI. It provides an overview of GENI and covers the process of creating a network and running a simple experiment using two tools: the Flack GUI and the INSTOOLS instrumentation service.
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Uncertain marketplace holds opportunities for Michigan physicians. MICHIGAN MEDICINE 2012; 111:7. [PMID: 22455193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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Co-electrodeposition of inorganic fullerene (IF-WS2) nano-particles with cobalt from a gluconate bath with anionic and cationic surfactants. Electrochim Acta 2011. [DOI: 10.1016/j.electacta.2011.05.093] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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WE-G-211-05: Advances in X-Ray Luminescence Computed Tomography: Towards In-Vivo Imaging of Radioluminescent Nanophosphors. Med Phys 2011. [DOI: 10.1118/1.3613444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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An exploration of the experiences and perceptions of people who have maintained weight loss. J Hum Nutr Diet 2011; 24:342-50. [DOI: 10.1111/j.1365-277x.2011.01156.x] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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First in human trial of the poly(ADP)-ribose polymerase inhibitor MK-4827 in patients with advanced cancer with antitumor activity in BRCA-deficient and sporadic ovarian cancers. Gynecol Oncol 2011. [DOI: 10.1016/j.ygyno.2010.12.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Folate Receptor Targeted Nanophosphors for Enhanced Tumor Radiotherapy. Int J Radiat Oncol Biol Phys 2010. [DOI: 10.1016/j.ijrobp.2010.07.1520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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362 First in human trial of a poly(ADP)-ribose polymerase (PARP) inhibitor MK-4827 in advanced cancer patients (p) with antitumor activity in BRCA-deficient and sporadic ovarian cancers. EJC Suppl 2010. [DOI: 10.1016/s1359-6349(10)72069-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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MO-E-204C-08: Characterization of Cerenkov Optical Irradiation from Radioactive Probes in Phantoms and Living Subjects. Med Phys 2010. [DOI: 10.1118/1.3469125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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MO-E-204C-05: X-Ray Luminescence Computed Tomography Via Selective X-Ray Excitation. Med Phys 2010. [DOI: 10.1118/1.3469122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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TU-B-202-01: Revision of NRC's Safety Culture Policy Statement and Proposed 10 CFR Part 37, “Physical Security of Byproduct Material.”. Med Phys 2010. [DOI: 10.1118/1.3469203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Variation of the neurofilament medium KSP repeat sub-domain across mammalian species: implications for altering axonal structure. ACTA ACUST UNITED AC 2010; 213:128-36. [PMID: 20008369 DOI: 10.1242/jeb.033787] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The evolution of larger mammals resulted in a corresponding increase in peripheral nerve length. To ensure optimal nervous system functionality and survival, nerve conduction velocities were likely to have increased to maintain the rate of signal propagation. Increases of conduction velocities may have required alterations in one of the two predominant properties that affect the speed of neuronal transmission: myelination or axonal diameter. A plausible mechanism to explain faster conduction velocities was a concomitant increase in axonal diameter with evolving axonal length. The carboxy terminal tail domain of the neurofilament medium subunit is a determinant of axonal diameter in large caliber myelinated axons. Sequence analysis of mammalian orthologs indicates that the neurofilament medium carboxy terminal tail contains a variable lysine-serine-proline (KSP) repeat sub-domain flanked by two highly conserved sub-domains. The number of KSP repeats within this region of neurofilament medium varies among species. Interestingly, the number of repeats does not change within a species, suggesting that selective pressure conserved the number of repeats within a species. Mapping KSP repeat numbers onto consensus phylogenetic trees reveals independent KSP expansion events across several mammalian clades. Linear regression analyses identified three subsets of mammals, one of which shows a positive correlation in the number of repeats with head-body length. For this subset of mammals, we hypothesize that variations in the number of KSP repeats within neurofilament medium carboxy terminal tail may have contributed to an increase in axonal caliber, increasing nerve conduction velocity as larger mammals evolved.
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Safety assessment of a modified acetolactate synthase protein (GM-HRA) used as a selectable marker in genetically modified soybeans. Regul Toxicol Pharmacol 2009; 55:309-20. [PMID: 19682528 DOI: 10.1016/j.yrtph.2009.08.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2009] [Revised: 08/04/2009] [Accepted: 08/06/2009] [Indexed: 11/24/2022]
Abstract
Acetolactate synthase (ALS) enzymes have been isolated from numerous organisms including soybeans (Glycine max; GM-ALS) and catalyze the first common step in biosynthesis of branched chain amino acids. Expression of an ALS protein (GM-HRA) with two amino acid changes relative to native GM-ALS protein in genetically modified soybeans confers tolerance to herbicidal active ingredients and can be used as a selectable transformation marker. The safety assessment of the GM-HRA protein is discussed. Bioinformatics comparison of the amino acid sequence did not identify similarities to known allergenic or toxic proteins. In vitro studies demonstrated rapid degradation in simulated gastric fluid (<30s) and intestinal fluid (<1min). The enzymatic activity was completely inactivated at 50 degrees C for 15 min demonstrating heat lability. The protein expressed in planta is not glycosylated and genetically modified soybeans expressing the GM-HRA protein produced similar protein/allergen profiles as its non-transgenic parental isoline. No adverse effects were observed in mice following acute oral exposure at a dose of at least 436 mg/kg of body weight or in a 28-day repeated dose dietary toxicity study at doses up to 1247 mg/kg of body weight/day. The results demonstrate GM-HRA protein safety when used in agricultural biotechnology.
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TH-A-213A-01: Multi-Modality Image-Guided Near Infrared Spectroscopy: Optimization and Clinical Applications. Med Phys 2009. [DOI: 10.1118/1.3182593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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A phase I study of MK-2206, an oral potent allosteric Akt inhibitor (Akti), in patients (pts) with advanced solid tumor (ST). J Clin Oncol 2009. [DOI: 10.1200/jco.2009.27.15_suppl.3503] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
3503 Background: Akt facilitates cell proliferation/survival and is a suspected driver of progression in ST. MK-2206, a highly selective non-ATP competitive allosteric Akti, has nM IC50 and broad preclinical antitumor activity. Methods: Safety and tolerability of MK-2206 administered QOD in 28-day cycles (cy) was assessed. Doses evaluated: 30, 60, 90 mg, and 75 mg. Main eligibility criteria: ≥18 yo, evaluable advanced ST, ECOG ≤1, HbA1c ≤8% or fasting glucose ≤110% upper limit of normal. PK and phosphorylated Akt (pAkt) in whole blood by meso-scale ELISA were measured. Sequential tumor biopsies were performed in a subset of pts. Results: Dose escalation occurred in 19 pts (8 female/11 male; median age 57 yo; ECOG 0/1: 5/14) and 37 cy of therapy with no DLTs at 30 and 60 mg. CTCAE G3/4 skin rash and CTCAE G3 mucositis were observed at 90 mg in 4/7 pts. After further accrual at 60 mg confirmed safety at this dose, 75 mg was explored; however, 2/3 pts experienced DLT of rash. Dose escalation is complete; the MTD of MK-2206 is 60 mg QOD. Common drug-related AEs included skin (47.1%), gastrointestinal (41.2%), and general disorders (29.4%). AUC0–48hr and Cmax were dose proportional up to 60 mg. Median Tmax is 6 hrs and mean t1/2 ranged from 63 to 76 hr. MK-2206 concentrations exceeding a preliminary, statistically determined PK target of approximately 50–65 nM for significant pAkti in blood were maintained over the entire dosing interval in all patients in the 60 mg cohort. Evidence of PD activity included decreases in whole blood pAkt at all dose levels, reversible CTCAE G1/2 hyperglycemia and CTCAE G1 insulin c-peptide elevations. RECIST stable disease following 2 cycles of therapy was observed in 1 pt at 30 mg and 5 pts at 60 mg. Observed clinical activity included: central tumor necrosis, decreased ascites and peripheral edema, reduction in index lesions, normalization of LFTs, and decreased CA-125. Conclusions: MK-2206 is generally well tolerated at doses up to 60 mg QOD with plasma concentrations that portend activity in preclinical models. PK/PD data suggest a substantial and maintained target inhibition at 60 mg. [Table: see text]
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