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https://www.readbyqxmd.com/read/28814907/new-prognostic-biomarkers-and-therapeutic-effect-of-bevacizumab-for-patients-with-non-small-cell-lung-cancer
#1
Maiko Niki, Takashi Yokoi, Takayasu Kurata, Shosaku Nomura
BACKGROUND: Several biomarkers have emerged as potential prognostic and predictive markers for non-small-cell lung cancer (NSCLC). Successful inhibition of angiogenesis with the antivascular endothelial growth factor antibody, bevacizumab, has improved the efficacy seen with standard cytotoxic therapy of NSCLC. However, despite such enhanced treatment strategies, the prognosis for patients with advanced NSCLC remains poor. PATIENTS AND METHODS: We assessed potential biomarkers in 161 NSCLC patients and 42 control patients...
2017: Lung Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28797171/novel-composite-drug-delivery-system-as-a-novel-radio-sensitizer-for-the-local-treatment-of-cervical-carcinoma
#2
Shan Xu, Yu Ying Tang, Yan Xin Yu, Qin Yun, Jing Pin Yang, Heng Zhang, Qiuxia Peng, Xiaoyang Sun, Ling Lin Yang, ShaoZhi Fu, Jing Bo Wu
In this study, we investigated in vivo radiosensitizing effects of a gel-based dual drug delivery system (DDS) (PECE/DDP + mPEG-PCL/PTX, or PDMP) in a cervical cancer model, and determined its possible mechanisms of action. A xenograft cervical cancer model was used to investigate the radio sensitization effect of PDMP. Mice underwent paclitaxel (PTX) + cisplatin (DDP), PECE, or PDMP treatment followed by single radiation doses ranging from 0 Gy to 20 Gy. Radio sensitization was analyzed by tumor regrowth delay (TGD)...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28775166/aneuploid-cell-survival-relies-upon-sphingolipid-homeostasis
#3
Yun-Chi Tang, Hui Yuwen, Kaiying Wang, Peter M Bruno, Kevin Bullock, Amy A Deik, Stefano Santaguida, Marianna Trakala, Sarah J Pfau, Na Zhong, Tao Huang, Lan Wang, Clary B Clish, Michael T Hemann, Angelika Amon
Aneuploidy, a hallmark of cancer cells, poses an appealing opportunity for cancer treatment and prevention strategies. Using a cell-based screen to identify small molecules that could selectively kill aneuploid cells, we identified the compound N-[2-hydroxy-1-(4-morpholinylmethyl)-2-phenylethyl]-decanamide monohydrochloride (DL-PDMP), an antagonist of UDP-glucose ceramide glucosyltransferase. DL-PDMP selectively inhibited proliferation of aneuploid primary mouse embryonic fibroblasts and aneuploid colorectal cancer cells...
August 3, 2017: Cancer Research
https://www.readbyqxmd.com/read/28759893/kilmartin-s-castigation-of-physicians-medical-society-regarding-warrantless-searches-into-pdmp-demeans-ag-s-office
#4
Michael E Migliori
No abstract text is available yet for this article.
August 1, 2017: Rhode Island Medical Journal
https://www.readbyqxmd.com/read/28738683/state-prescription-drug-monitoring-programs-and-fatal-drug-overdoses
#5
Young Hee Nam, Dennis G Shea, Yunfeng Shi, John R Moran
OBJECTIVES: To examine the impact of prescription drug monitoring programs (PDMPs) on drug overdose deaths. STUDY DESIGN: We used variation in the timing of state PDMP legislation and implementation to estimate the impact of these programs on drug overdose mortality rates across all drug categories from 1999 to 2014 and separately for each category from 1999 to 2010. Data used include US all-jurisdiction mortality data, estimated population data, and sociodemographic data from the CDC and the US Census Bureau...
May 2017: American Journal of Managed Care
https://www.readbyqxmd.com/read/28722211/using-prescription-monitoring-program-data-to-characterize-out-of-pocket-payments-for-opioid-prescriptions-in-a-state-medicaid-program
#6
Daniel M Hartung, Sharia M Ahmed, Luke Middleton, Joshua Van Otterloo, Kun Zhang, Shellie Keast, Hyunjee Kim, Kirbee Johnston, Richard A Deyo
BACKGROUND: Out-of-pocket payment for prescription opioids is believed to be an indicator of abuse or diversion, but few studies describe its epidemiology. Prescription drug monitoring programs (PDMPs) collect controlled substance prescription fill data regardless of payment source and thus can be used to study this phenomenon. OBJECTIVE: To estimate the frequency and characteristics of prescription fills for opioids that are likely paid out-of-pocket by individuals in the Oregon Medicaid program...
July 19, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28692945/impact-of-new-york-prescription-drug-monitoring-program-i-stop-on-statewide-overdose-morbidity
#7
Richard Brown, Moira R Riley, Lydia Ulrich, Ellen Percy Kraly, Paul Jenkins, Nicole L Krupa, Anne Gadomski
BACKGROUND: Prescription Drug Monitoring programs (PDMPs) are intended to reduce opioid prescribing and aberrant drug-related behavior thereby reducing morbidity and mortality due to prescription opioid overdose. Expansion of the New York (NY) State's PDMP in 2013 included the institution of the I-STOP law that mandated clinicians to consult the statewide PDMP database to review the patient's prescription history prior to prescribing opioids. METHODS: Trends in prescription opioid distribution, prescribing, and prescription opioid and heroin overdose morbidity in NY were analyzed using time series...
June 23, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28633638/evaluating-the-impact-of-prescription-drug-monitoring-program-implementation-a-scoping-review
#8
Erin P Finley, Ashley Garcia, Kristen Rosen, Don McGeary, Mary Jo Pugh, Jennifer Sharpe Potter
BACKGROUND: Prescription drug monitoring programs (PDMPs) have been implemented in 49 out of 50 states in an effort to reduce opioid-related misuse, abuse, and mortality, yet the literature evaluating the impact of PDMP implementation remains limited. We conducted a scoping review to: (1) describe available evidence regarding impact of PDMPs in the U.S.; and (2) propose a conceptual model to inform future PDMP implementation and evaluation efforts. METHODS: Scoping systematic review following Arksey and O'Malley's (2005) methodology...
June 20, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28581272/the-usefulness-of-platelet-derived-microparticle-as-biomarker-of-antiplatelet-therapy-in-kawasaki-disease
#9
Hyun Jung Kim, Eun Hye Choi, Yeon Jung Lim, Hong Ryang Kil
Little is known about platelet dynamics and the effect of antiplatelet therapy in Kawasaki disease (KD). This study sought to define platelet activation dynamics in KD patients by assaying platelet-derived microparticles (PDMPs). We measured plasma PDMPs levels in 46 patients with KD using an enzyme-linked immunosorbent assay (ELISA). Blood samples were collected before, at 2-5 days, and 9-15 days after intravenous immunoglobulin (IVIG) infusion, 2 months and 4-5 months after the onset of KD. We measured PDMP levels in 23 febrile and 10 afebrile control patients...
July 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28557587/the-prevalence-of-and-factors-associated-with-receiving-concurrent-controlled-substance-prescriptions
#10
Erin A Ferries, Aaron M Gilson, Rajendar R Aparasu, Hua Chen, Michael L Johnson, Marc L Fleming
BACKGROUND: Controlled substance prescription (CSP) use and abuse in the United States has become a public health epidemic. One common and dangerous indicator of abuse involves obtaining CSPs concurrently. OBJECTIVE: The objective of this study was to identify the prevalence and factors associated with individuals receiving potentially inappropriate concurrent CSPs. METHODS: This was a retrospective, cohort analysis using data from the 2013-2014 Texas prescription drug monitoring program (PDMP)...
May 30, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28535204/colocalization-of-receptors-for-shiga-toxins-with-lipid-rafts-in-primary-human-renal-glomerular-endothelial-cells-and-influence-of-d-pdmp-on-synthesis-and-distribution-of-glycosphingolipid-receptors
#11
Nadine Legros, Gottfried Pohlentz, Jana Runde, Stefanie Dusny, Hans-Ulrich Humpf, Helge Karch, Johannes Müthing
Damage of human renal glomerular endothelial cells (HRGECs) of the kidney represents the linchpin in the pathogenesis of the hemolytic uremic syndrome (HUS) caused by Shiga toxins (Stxs) of enterohemorrhagic Escherichia coli (EHEC). We performed a comprehensive structural analysis of the Stx receptor glycosphingolipids (GSLs) globotriaosylceramide (Gb3Cer, Galα4alβ4Glcβ1Cer) and globotetraosylceramide (Gb4Cer, GalNAcβ3Galα4Galβ4Glcβ1Cer) and their distribution in lipid raft analogue detergent-resistant membranes (DRMs) and nonDRMs prepared from primary HRGECs...
May 23, 2017: Glycobiology
https://www.readbyqxmd.com/read/28498498/impact-of-prescription-drug-monitoring-programs-pdmps-on-opioid-utilization-among-medicare-beneficiaries-in-10%C3%A2-us-states
#12
Patience Moyo, Linda Simoni-Wastila, Beth Ann Griffin, Eberechukwu Onukwugha, Donna Harrington, G Caleb Alexander, Francis Palumbo
BACKGROUND AND AIMS: Prescription Drug Monitoring Programs (PDMPs) are a principal strategy used in the United States to address prescription drug abuse. We (1) compared opioid use pre- and post-PDMP implementation and (2) estimated differences of PDMP impact by reason for Medicare eligibility and plan type. DESIGN: Analysis of opioid prescription claims in US states that implemented PDMPs relative to non-PDMP states during 2007-12. SETTING: Florida, Louisiana, Nebraska, New Jersey, Vermont, Georgia, Wisconsin, Maryland, New Hampshire and Arkansas, USA...
May 12, 2017: Addiction
https://www.readbyqxmd.com/read/28421563/the-current-utilization-and-perceptions-of-prescription-drug-monitoring-programs-among-emergency-medicine-providers-in-florida
#13
Henry W Young, Joseph A Tyndall, Linda B Cottler
BACKGROUND: Pain is among the most commonly treated symptoms in the emergency department, and opioids are commonly prescribed from the emergency department to treat moderate to severe pain. Prescription drug monitoring programs (PDMP) can be used to assist physicians identify individuals at increased risk to misuse or abuse opioids. While the use of the PDMP has been shown useful among clinicians, in the past, utilization of the PDMP has been less than optimal. The objective of this study was to assess the current utilization and perceptions of the prescription drug monitoring program among emergency medicine providers in Florida...
December 2017: International Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28383713/unsolicited-reporting-to-prescribers-of-opioid-analgesics-by-a-state-prescription-drug-monitoring-program-an-observational-study-with-matched-comparison-group
#14
Leonard D Young, Peter W Kreiner, Lee Panas
Objective.:  State prescription drug monitoring programs (PDMPs) can help detect individuals with multiple provider episodes (MPEs; also referred to as doctor/pharmacy shopping), an indicator of prescription drug abuse and/or diversion. Although unsolicited reporting by PDMPs to prescribers of opioid analgesics is thought to be an important practice in reducing MPEs and the potential harm associated with them, evidence of its effectiveness is mixed. This exploratory research evaluates the impact of unsolicited reports sent by Massachusetts' PDMP to the prescribers of persons with MPEs...
April 4, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28363317/validation-of-prescriber-risk-indicators-obtained-from-prescription-drug-monitoring-program-data
#15
Peter W Kreiner, Gail K Strickler, Eduardo A Undurraga, Maria E Torres, Ruslan V Nikitin, Anne Rogers
BACKGROUND: Prescription opioids are commonly overprescribed. However, validated measures of inappropriate controlled substance prescribing are lacking. This study examined associations between prescriber risk indicators developed as part of a public health surveillance project and medical board disciplinary actions against prescribers. METHODS: We compiled 12 prescriber risk indicators using data from the Maine prescription drug monitoring program (PDMP) for 2010...
April 1, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28322796/modulation-of-the-sphingolipid-rheostat-is-involved-in-paclitaxel-resistance-of-the-human-prostate-cancer-cell-line-pc3-pr
#16
Yuka Aoyama, Sayaka Sobue, Naoki Mizutani, Chisato Inoue, Yoshiyuki Kawamoto, Yuji Nishizawa, Masatoshi Ichihara, Mamoru Kyogashima, Motoshi Suzuki, Yoshinoti Nozawa, Takashi Murate
Taxoids are anti-cancer drugs frequently used to treat solid tumors, but they are sometimes ineffective and tumors may become resistant to their action. Here, we examined the involvement of sphingolipid metabolic enzymes in paclitaxel (PTX) resistance using a human prostate cancer cell line, PC3, and its PTX-resistant subline, PC3-PR. PTX (20 nM) suppressed cell proliferation and increased various ceramide species in PC3, but not PC3-PR, cells. PC3-PR contained higher S1P levels than did PC3, regardless of PTX treatment...
April 29, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28152391/prescription-drug-monitoring-programs-nonmedical-use-of-prescription-drugs-and-heroin-use-evidence-from-the-national-survey-of-drug-use-and-health
#17
Mir M Ali, William N Dowd, Timothy Classen, Ryan Mutter, Scott P Novak
In the United States, nonmedical prescription opioid use is a major public health concern. Various policy initiatives have been undertaken to tackle this crisis, including state prescription drug monitoring programs (PDMPs). This study uses the 2004-2014 National Survey of Drug Use and Health (NSDUH) and exploits state-level variation in the timing of PDMP implementation and PDMP characteristics to investigate whether PDMPs are associated with a reduction in prescription opioid misuse or whether they have the unintended consequence of increasing heroin use...
June 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28101955/prescription-drug-monitoring-programs-produce-a-limited-impact-on-painkiller-prescribing-in-medicare-part-d
#18
Courtney R Yarbrough
OBJECTIVE: To measure the impact of prescription drug monitoring programs (PDMPs) on prescribing of opioid and nonopioid painkillers. DATA SOURCE: 2010-2013 physician-level Medicare Part D prescribing data released by the Centers for Medicare and Medicaid Services and Propublica. STUDY DESIGN: Using difference-in-differences models with physician-level fixed effects, the study compares prescribing in states with and without PDMPs for opioid and nonopioid analgesics, oxycodone, hydrocodone, and opioids by controlled substances Schedules II-IV...
January 18, 2017: Health Services Research
https://www.readbyqxmd.com/read/28081222/at7867-inhibits-human-colorectal-cancer-cells-via-akt-dependent-and-akt-independent-mechanisms
#19
Shihu Zhang, Zhengming Deng, Chen Yao, Ping Huang, Yi Zhang, Shibing Cao, Xiangcheng Li
AKT is often hyper-activated in human colorectal cancers (CRC). This current study evaluated the potential anti-CRC activity by AT7867, a novel AKT and p70S6K1 (S6K1) dual inhibitor. We showed that AT7867 inhibited survival and proliferation of established (HT-29, HCT116 and DLD-1 lines) and primary human CRC cells. Meanwhile, it provoked caspase-dependent apoptosis in the CRC cells. Molecularly, AT7867 blocked AKT-S6K1 activation in CRC cells. Restoring AKT-S6K1 activation, via expression of a constitutively-active AKT1 ("ca-AKT1"), only partially attenuated AT7867-induced HT-29 cell death...
2017: PloS One
https://www.readbyqxmd.com/read/27865938/pdmp-a-ceramide-analogue-acts-as-an-inhibitor-of-mtorc1-by-inducing-its-translocation-from-lysosome-to-endoplasmic-reticulum
#20
Takashi Ode, Katarzyna A Podyma-Inoue, Kazue Terasawa, Jin-Ichi Inokuchi, Toshihide Kobayashi, Tetsuro Watabe, Yuichi Izumi, Miki Hara-Yokoyama
Mammalian or mechanistic target of rapamycin complex 1 (mTORC1) is a master regulator of cell growth, metabolism, and cell differentiation. Recent studies have revealed that the recruitment of mTORC1 to lysosomes is essential for its activation. The ceramide analogue 1-phenyl-2-decanoylamino-3-morpholino-1-propanol (PDMP), a well known glycosphingolipid synthesis inhibitor, also affects the structures and functions of various organelles, including lysosomes and endoplasmic reticulum (ER). We investigated whether PDMP regulates the mTORC1 activity through its effects on organellar behavior...
January 1, 2017: Experimental Cell Research
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