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Chirag Patel

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https://www.readbyqxmd.com/read/28809767/using-reported-rates-of-sexually-transmitted-diseases-to-illustrate-potential-methodological-issues-in-the-measurement-of-racial-and-ethnic-disparities
#1
Harrell W Chesson, Chirag G Patel, Thomas L Gift, Kyle T Bernstein, Sevgi O Aral
BACKGROUND: Racial disparities in the burden of sexually transmitted diseases (STDs) have been documented and described for decades. Similarly, methodological issues and limitations in the use of disparity measures to quantify disparities in health have also been well documented. The purpose of this study was to use historic STD surveillance data to illustrate four of the most well-known methodological issues associated with the use of disparity measures. METHODS: We manually searched STD surveillance reports to find examples of racial/ethnic distributions of reported STDs that illustrate key methodological issues in the use of disparity measures...
September 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28800141/effects-of-strong-cyp3a-inhibition-and-induction-on-the-pharmacokinetics-of-ixazomib-an-oral-proteasome-inhibitor-results-of-drug-drug-interaction-studies-in-patients-with-advanced-solid-tumors-or-lymphoma-and-a-physiologically-based-pharmacokinetic-analysis
#2
Neeraj Gupta, Michael J Hanley, Karthik Venkatakrishnan, Alberto Bessudo, Drew W Rasco, Sunil Sharma, Bert H O'Neil, Bingxia Wang, Guohui Liu, Alice Ke, Chirag Patel, Karen Rowland Yeo, Cindy Xia, Xiaoquan Zhang, Dixie-Lee Esseltine, John Nemunaitis
At clinically relevant ixazomib concentrations, in vitro studies demonstrated that no specific cytochrome P450 (CYP) enzyme predominantly contributes to ixazomib metabolism. However, at higher than clinical concentrations, ixazomib was metabolized by multiple CYP isoforms, with the estimated relative contribution being highest for CYP3A at 42%. This multiarm phase 1 study (Clinicaltrials.gov identifier: NCT01454076) investigated the effect of the strong CYP3A inhibitors ketoconazole and clarithromycin and the strong CYP3A inducer rifampin on the pharmacokinetics of ixazomib...
August 11, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28754585/the-impact-of-the-american-college-of-obstetricians-and-gynecologists-guideline-changes-in-pap-tests-on-annual-chlamydia-test-rates
#3
Hsien-Lin Hsieh, Jill Huppert, Chirag G Patel, Guoyu Tao
PURPOSE: To assess impact of the 2009 American College of Obstetricians and Gynecologists (ACOG) Pap guideline changes on chlamydia testing rates among sexually active young women. METHODS: The study included sexually active women aged 15-25 years enrolled in commercial health plans from 2005 to 2014. We identified sexually active women by diagnosis, procedure, and drug codes in inpatient, outpatient, and drug claims databases. We identified Pap tests and chlamydia tests among sexually active adolescents (15-20 years) and young adults (21-25 years) over time...
July 25, 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28731395/nasoseptal-flap-necrosis-a-rare-complication-of-endoscopic-endonasal-surgery
#4
Joseph D Chabot, Chirag R Patel, Marion A Hughes, Eric W Wang, Carl H Snyderman, Paul A Gardner, Juan C Fernandez-Miranda
OBJECTIVE The vascularized nasoseptal flap (NSF) has become the workhorse for skull base reconstruction during endoscopic endonasal surgery (EES) of the ventral skull base. Although infrequently reported, as with any vascularized flap the NSF may undergo ischemic necrosis and become a nidus for infection. The University of Pittsburgh Medical Center's experience with NSF was reviewed to determine the incidence of necrotic NSF in patients following EES and describe the clinical presentation, imaging characteristics, and risk factors associated with this complication...
July 21, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28710141/perspective-improving-nutritional-guidelines-for-sustainable-health-policies-current-status-and-perspectives
#5
Paolo Magni, Dennis M Bier, Sergio Pecorelli, Carlo Agostoni, Arne Astrup, Furio Brighenti, Robert Cook, Emanuela Folco, Luigi Fontana, Robert A Gibson, Ranieri Guerra, Gordon H Guyatt, John Pa Ioannidis, Ann S Jackson, David M Klurfeld, Maria Makrides, Basil Mathioudakis, Alessandro Monaco, Chirag J Patel, Giorgio Racagni, Holger J Schünemann, Raanan Shamir, Niv Zmora, Andrea Peracino
A large body of evidence supports the notion that incorrect or insufficient nutrition contributes to disease development. A pivotal goal is thus to understand what exactly is appropriate and what is inappropriate in food ingestion and the consequent nutritional status and health. The effective application of these concepts requires the translation of scientific information into practical approaches that have a tangible and measurable impact at both individual and population levels. The agenda for the future is expected to support available methodology in nutrition research to personalize guideline recommendations, properly grading the quality of the available evidence, promoting adherence to the well-established evidence hierarchy in nutrition, and enhancing strategies for appropriate vetting and transparent reporting that will solidify the recommendations for health promotion...
July 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28710076/opportunities-and-challenges-for-environmental-exposure-assessment-in-population-based-studies
#6
Chirag J Patel, Jacqueline Kerr, Duncan C Thomas, Bhramar Mukherjee, Beate Ritz, Nilanjan Chatterjee, Marta M Jankowska, Juliette Madan, Margaret R Karagas, Kimberly A McAllister, Leah E Mechanic, M Daniele Fallin, Christine Ladd-Acosta, Ian A Blair, Susan L Teiltelbaum, Christopher I Amos
BACKGROUND: A growing number and increasing diversity of factors are available for epidemiological studies. These measures provide new avenues for discovery and prevention yet they also raise many challenges for adoption in epidemiological investigations. METHODS: We evaluate 1) designs to investigate diseases that consider heterogeneous and multi-dimensional indicators of exposure and behavior, 2) the implementation of numerous methods to capture indicators of exposure, and 3) the analytical methods required for discovery and validation...
July 14, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28683730/urinalysis-findings-and-urinary-kidney-injury-biomarker-concentrations
#7
Girish N Nadkarni, Steven G Coca, Allison Meisner, Shanti Patel, Kathleen F Kerr, Uptal D Patel, Jay L Koyner, Amit X Garg, Heather Thiessen Philbrook, Charles L Edelstein, Michael Shlipak, Joe El-Khoury, Chirag R Parikh
INTRODUCTION: Urinary biomarkers of kidney injury are presumed to reflect renal tubular damage. However, their concentrations may be influenced by other factors, such as hematuria or pyuria. We sought to examine what non-injury related urinalysis factors are associated with urinary biomarker levels. METHODS: We examined 714 adults who underwent cardiac surgery in the TRIBE-AKI cohort that did not experience post-operative clinical AKI (patients with serum creatinine change of ≥ 20% were excluded)...
July 6, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28681243/synergistic-inhibition-of-glioma-cell-proliferation-by-withaferin-a-and-tumor-treating-fields
#8
Edwin Chang, Christoph Pohling, Nooshin Beygui, Chirag B Patel, Jarrett Rosenberg, Dong Ho Ha, Sanjiv S Gambhir
Glioblastoma (GBM) is the most aggressive and lethal form of brain cancer. Standard therapies are non-specific and often of limited effectiveness; thus, efforts are underway to uncover novel, unorthodox therapies against GBM. In previous studies, we investigated Withaferin A, a steroidal lactone from Ayurvedic medicine that inhibits proliferation in cancers including GBM. Another novel approach, tumor treating fields (TTFields), is thought to disrupt mitotic spindle formation and stymie proliferation of actively dividing cells...
July 5, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28648637/xyloglucan-a-functional-biomacromolecule-for-drug-delivery-applications
#9
REVIEW
Abhijeet D Kulkarni, Aditya A Joshi, Chirag L Patil, Prasad D Amale, Harun M Patel, Sanjay J Surana, Veena S Belgamwar, Kapil S Chaudhari, Chandrakantsing V Pardeshi
The near future of drug delivery system would lie in the search of a versatile and innocuous material, based mostly on the natural resources. The tamarind seed xyloglucan (XG) is a natural neutral hemicellulose and a hydrophilic polysaccharide consisting of a main chain of glucan backbone with xylose and galactose side chains. XG is endowed with idiosyncratic mucoadhesive and in situ gelling properties which rated XG as an attractive, functional polymer for numerous drug delivery applications. In milieu of this, the present review is designed to underline the plausible potential of XG or XG-based systems in drug delivery...
June 23, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28634509/movements-here-today-gone-tomorrow-images-in-clinical-neurology-case-of-hyperglycemic-hemichorea
#10
Timothy S Chang, Chirag B Patel, Adrienne M Keener, Inna Keselman, Nasheed I Jamal
No abstract text is available yet for this article.
July 2017: Neurohospitalist
https://www.readbyqxmd.com/read/28600083/evaluation-of-clinical-target-volume-expansion-required-for-involved-site-neck-radiotherapy-for-lymphoma-to-account-for-the-absence-of-a-pre-chemotherapy-pet-ct-in-the-radiotherapy-treatment-position
#11
David Bird, Chirag Patel, Andrew F Scarsbrook, Viv Cosgrove, Emma Thomas, Di Gilson, Robin J D Prestwich
BACKGROUND AND PURPOSE: Involved site radiotherapy clinical target volume (CTV) for lymphoma requires an expansion to account for the absence of radiotherapy treatment-position pre-chemotherapy imaging, which is not widely implemented. This prospective imaging study aims to quantify CTV expansion required for neck radiotherapy. MATERIALS AND METHODS: 10 patients from a prospective single centre imaging study underwent a pre-chemotherapy FDG-PET-CT in both the diagnostic and radiotherapy treatment position, and subsequently received neck radiotherapy post-chemotherapy...
June 6, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28571187/study-of-short-and-intermediate-term-clinical-outcomes-of-patients-with-protected-and-unprotected-lmca-stenting
#12
Pooja M Vyas, Jayesh S Prajapati, Sibasis S Sahoo, Iva Vipul Patel, Jagjeet K Deshmukh, Chirag Patel, Roopesh Singhal
INTRODUCTION: Significant unprotected Left Main Coronary Artery (LMCA) disease is detected in 5%-7% of cases undergoing Coronary Angiography (CAG). Present guidelines have revealed the significance of anatomical location in left main artery stenosis and syntax scores for determination of Major Adverse Cardiac Events (MACE). Debate still persists over the best treatment regarding outcomes of Coronary Artery Bypass Grafting (CABG) and LMCA stenting for patients with LMCA disease. AIM: Aim of the study was to evaluate short and intermediate term clinical outcomes of Percutaneous Coronary Intervention (PCI) in LMCA disease in respect to mortality, Cerebrovascular Accidents (CVA), reinfarction, stent restenosis and need for repeat target lesion revascularization...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28536869/the-technique-and-benefits-of-angiographic-embolization-of-inferior-epigastric-arteries-prior-to-pedicled-tram-flap-breast-reconstruction-results-from-a-single-center
#13
Alysse J Sever, Chirag Patel, Yahya Albeer, Vigen B Darian
PURPOSE: To report a single center's experience with selective arterial embolization of the deep inferior epigastric arteries (DIEA) prior to pedicled TRAM flap breast reconstruction including techniques and outcomes. MATERIALS AND METHODS: Retrospective chart review was performed for 15 patients who underwent pedicled TRAM flap breast reconstruction after selective embolization of bilateral DIEA. Data were analyzed to display the spectrum of postoperative outcomes following the TRAM flap procedure status post-selective angiographic embolization of the bilateral DIEA to improve vascularity of the TRAM flaps by rendering the tissue partially ischemic to undergo neovascularization...
May 23, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28521236/targeting-t-cell-metabolism-to-regulate-t-cell-activation-differentiation-and-function-in-disease
#14
REVIEW
Chirag H Patel, Jonathan D Powell
It is becoming increasingly clear that metabolic reprogramming plays a critical role in T cell activation, differentiation and function. To this end, cellular metabolism not only meets the energetic demands of T cells but also provides critical substrates for their growth and function. Furthermore, metabolites themselves are emerging as key regulators of immune responses. As the details of how metabolic reprogramming regulates immune function are revealed, new potential targets for modulating immune responses have emerged...
June 2017: Current Opinion in Immunology
https://www.readbyqxmd.com/read/28490463/a-first-in-human-phase-i-dose-escalation-study-of-tak-117-a-selective-pi3k-alpha-isoform-inhibitor-in-patients-with-advanced-solid-malignancies
#15
Dejan Juric, Johann S de Bono, Patricia M LoRusso, John Nemunaitis, Elisabeth I Heath, Eunice L Kwak, Teresa Macarulla Mercadé, Elena Geuna, Maria Jose de Miguel-Luken, Chirag Patel, Keisuke Kuida, Serap Sankoh, Eric H Westin, Fabian Zohren, Yaping Shou, Josep Tabernero
Purpose: To evaluate the safety, maximum tolerated dose (MTD), pharmacokinetics, pharmacodynamics, and preliminary antitumor activity of TAK-117 (MLN1117/INK1117), an investigational PI3Kα-selective inhibitor, in patients with advanced solid tumors. <p>Experimental Design: Seventy-one patients received oral TAK-117 once daily (QD, 100-300 mg [n = 24]), or 3 days per week (Mon-Wed-Fri [MWF], 200-1200 mg [n = 27]; Mon-Tue-Wed [MTuW], 200-900 mg [n = 20]), in 21-day cycles. Dose escalation proceeded via a 3+3 design...
May 10, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28458509/reduction-in-bacterial-load-using-hypochlorous-acid-hygiene-solution-on-ocular-skin
#16
David W Stroman, Keri Mintun, Arthur B Epstein, Crystal M Brimer, Chirag R Patel, James D Branch, Kathryn Najafi-Tagol
PURPOSE: To examine the magnitude of bacterial load reduction on the surface of the periocular skin 20 minutes after application of a saline hygiene solution containing 0.01% pure hypochlorous acid (HOCl). METHODS: Microbiological specimens were collected immediately prior to applying the hygiene solution and again 20 minutes later. Total microbial colonies were counted and each unique colony morphology was processed to identify the bacterial species and to determine the susceptibility profile to 15 selected antibiotics...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28449295/kbg-syndrome-an-australian-experience
#17
Natalia Murray, Bronwyn Burgess, Robin Hay, Alison Colley, Sulekha Rajagopalan, Julie McGaughran, Chirag Patel, Annabelle Enriquez, Linda Goodwin, Zornitza Stark, Tiong Tan, Meredith Wilson, Tony Roscioli, Mustafa Tekin, Himanshu Goel
In 2011, heterozygous mutations in the ANKRD11 gene were identified in patients with KBG syndrome. Since then, 100 cases have been described with the expansion of the clinical phenotype. Here we present 18 KBG affected individuals from 13 unrelated families, 16 with pathogenic mutations in the ANKRD11 gene. Consistent features included intellectual disability, macrodontia, and the characteristic broad forehead with hypertelorism, and a prominent nasal bridge. Common features included hand anomalies, cryptorchidism, and a large number of palate abnormalities...
April 27, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28381511/a-single-demyelinating-attack-is-enough-to-limit-brain-growth-in-children
#18
Yael Hacohen, Chirag B Patel, Rogier Hintzen
No abstract text is available yet for this article.
April 5, 2017: Neurology
https://www.readbyqxmd.com/read/28291243/a-standard-database-for-drug-repositioning
#19
Adam S Brown, Chirag J Patel
Drug repositioning, the process of discovering, validating, and marketing previously approved drugs for new indications, is of growing interest to academia and industry due to reduced time and costs associated with repositioned drugs. Computational methods for repositioning are appealing because they putatively nominate the most promising candidate drugs for a given indication. Comparing the wide array of computational repositioning methods, however, is a challenge due to inconsistencies in method validation in the field...
March 14, 2017: Scientific Data
https://www.readbyqxmd.com/read/28251040/analytic-complexity-and-challenges-in-identifying-mixtures-of-exposures-associated-with-phenotypes-in-the-exposome-era
#20
REVIEW
Chirag J Patel
PURPOSE OF REVIEW: Mixtures, or combinations and interactions between multiple environmental exposures, are hypothesized to be causally linked with disease and health-related phenotypes. Established and emerging molecular measurement technologies to assay the exposome, the comprehensive battery of exposures encountered from birth to death, promise a new way of identifying mixtures in disease in the epidemiological setting. In this opinion, we describe the analytic complexity and challenges in identifying mixtures associated with phenotype and disease...
2017: Current Epidemiology Reports
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