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Full-Text Articles in Medicine and Health Sciences

Use Of Medications Of Questionable Benefit In Advanced Dementia, Jennifer Tjia, Becky Briesacher, Daniel Peterson, Qin Liu, Susan Andrade, Susan Mitchell Jul 2015

Use Of Medications Of Questionable Benefit In Advanced Dementia, Jennifer Tjia, Becky Briesacher, Daniel Peterson, Qin Liu, Susan Andrade, Susan Mitchell

Jennifer Tjia

IMPORTANCE: Advanced dementia is characterized by severe cognitive impairment and complete functional dependence. Patients' goals of care should guide the prescribing of medication during such terminal illness. Medications that do not promote the primary goal of care should be minimized. OBJECTIVES: To estimate the prevalence of medications with questionable benefit used by nursing home residents with advanced dementia, identify resident- and facility-level characteristics associated with such use, and estimate associated medication expenditures. DESIGN, SETTING, AND PARTICIPANTS: Cross-sectional study of medication use by nursing home residents with advanced dementia using a nationwide long-term care pharmacy database linked to the Minimum Data …


Lineage-Specific T-Cell Responses To Cancer Mucosa Antigen Oppose Systemic Metastases Without Mucosal Inflammatory Disease., Adam Snook, Peng Li, Benjamin J Stafford, Elizabeth J Faul, Lan Huang, Ruth C Birbe, Alessandro Bombonati, Stephanie Schulz, Matthias Schnell, Laurence Eisenlohr, Scott Waldman Aug 2013

Lineage-Specific T-Cell Responses To Cancer Mucosa Antigen Oppose Systemic Metastases Without Mucosal Inflammatory Disease., Adam Snook, Peng Li, Benjamin J Stafford, Elizabeth J Faul, Lan Huang, Ruth C Birbe, Alessandro Bombonati, Stephanie Schulz, Matthias Schnell, Laurence Eisenlohr, Scott Waldman

Adam E Snook

Cancer mucosa antigens are emerging as a new category of self-antigens expressed normally in immunologically privileged mucosal compartments and universally by their derivative tumors. These antigens leverage the established immunologic partitioning of systemic and mucosal compartments, limiting tolerance opposing systemic antitumor efficacy. An unresolved issue surrounding self-antigens as immunotherapeutic targets is autoimmunity following systemic immunization. In the context of cancer mucosa antigens, immune effectors to self-antigens risk amplifying mucosal inflammatory disease promoting carcinogenesis. Here, we examined the relationship between immunotherapy for systemic colon cancer metastases targeting the intestinal cancer mucosa antigen guanylyl cyclase C (GCC) and its effect on inflammatory …


Antipsychotic Use Among Nursing Home Residents, Becky Briesacher, Jennifer Tjia, Terry Field, Daniel Peterson, Jerry Gurwitz Jun 2013

Antipsychotic Use Among Nursing Home Residents, Becky Briesacher, Jennifer Tjia, Terry Field, Daniel Peterson, Jerry Gurwitz

Jennifer Tjia

The prescribing of antipsychotic medications persists at high levels in US nursing homes (NHs) despite extensive data demonstrating marginal clinical benefits and serious adverse effects, including death.1- 2 However, imprecise and outdated data have limited the understanding of the current state of antipsychotic medication prescribing in NHs.3 We analyzed recent and detailed NH prescription data to address: (1) What is the current level of antipsychotic use? (2) Does antipsychotic use in NHs display geographic variation? and (3) Which antipsychotics are most commonly prescribed?


The Effects Of Laropiprant, A Selective Prostaglandin D₂ Receptor 1 Antagonist, On The Antiplatelet Activity Of Clopidogrel Or Aspirin., Aimee Dallob, Wen-Lin Luo, Julie Mabalot Luk, Lisa Ratcliffe, Amy O Johnson-Levonas, Jules I Schwartz, Victor Dishy, Walter K. Kraft, Jan N De Hoon, Anne Van Hecken, Inge De Lepeleire, Waldemar Radziszewski, John A Wagner, Eseng Lai Mar 2012

The Effects Of Laropiprant, A Selective Prostaglandin D₂ Receptor 1 Antagonist, On The Antiplatelet Activity Of Clopidogrel Or Aspirin., Aimee Dallob, Wen-Lin Luo, Julie Mabalot Luk, Lisa Ratcliffe, Amy O Johnson-Levonas, Jules I Schwartz, Victor Dishy, Walter K. Kraft, Jan N De Hoon, Anne Van Hecken, Inge De Lepeleire, Waldemar Radziszewski, John A Wagner, Eseng Lai

walter k Kraft

Laropiprant (LRPT) is being developed in combination with Merck's extended-release niacin (ERN) formulation for the treatment of dyslipidemia. LRPT, an antagonist of the prostaglandin PGD₂ receptor DP1, reduces flushing symptoms associated with ERN. LRPT also has affinity for the thromboxane A₂ receptor TP (approximately 190-fold less potent at TP compared with DP1). Aspirin and clopidogrel are two frequently used anti-clotting agents with different mechanisms of action. Since LRPT may potentially be co-administered with either one of these agents, these studies were conducted to assess the effects of steady-state LRPT on the antiplatelet activity of steady-state clopidogrel or aspirin. Bleeding time …


A Glycosylated Recombinant Human Granulocyte Colony Stimulating Factor Produced In A Novel Protein Production System (Avi-014) In Healthy Subjects: A First-In Human, Single Dose, Controlled Study., Roslyn Varki, Ed Pequignot, Mark C Leavitt, Andres Ferber, Walter K Kraft Mar 2012

A Glycosylated Recombinant Human Granulocyte Colony Stimulating Factor Produced In A Novel Protein Production System (Avi-014) In Healthy Subjects: A First-In Human, Single Dose, Controlled Study., Roslyn Varki, Ed Pequignot, Mark C Leavitt, Andres Ferber, Walter K Kraft

walter k Kraft

BACKGROUND: AVI-014 is an egg white-derived, recombinant, human granulocyte colony-stimulating factor (G-CSF). This healthy volunteer study is the first human investigation of AVI-014. METHODS: 24 male and female subjects received a single subcutaneous injection of AVI-014 at 4 or 8 mcg/kg. 16 control subjects received 4 or 8 mcg/kg of filgrastim (Neupogen, Amgen) in a partially blinded, parallel fashion. RESULTS: The Geometric Mean Ratio (GMR) (90% CI) of 4 mcg/kg AVI-014/filgrastim AUC(0-72 hr) was 1.00 (0.76, 1.31) and Cmax was 0.86 (0.66, 1.13). At the 8 mcg/kg dose, the AUC(0-72) GMR was 0.89 (0.69, 1.14) and Cmax was 0.76 (0.58, …