RESUMO
WHAT IS KNOWN: Potentially inappropriate medication (PIM) is a risk factor for drug-related problems (DRPs) and an important inpatient safety issue. PIM-Check is a screening tool designed to detect PIM in internal medicine patients. OBJECTIVE: This study aimed to determine whether PIM-Check could help to identify and reduce DRPs. METHOD: Prospective interventional study conducted on patients admitted to internal medicine wards in a university hospital between 1 September 2015 and 30 October 2015. Adult patients were included if they were hospitalized for more than 48 hours. Patients received either usual care (period 1 = control) or usual care plus medication screening by the wards' chief residents using PIM-Check (period 2 = intervention). An expert panel, composed of a clinical pharmacist, a clinical pharmacologist and two attending physicians in internal medicine, blinded to patient groups, identified DRPs. RESULTS: A total of 297 patients were included (intervention: 109). The groups' demographic parameters were similar. The expert panel identified 909 DRPs (598: control; 311: intervention). The mean number of DRPs per patient was similar in the control (3.2; 95% CI: 2.9-3.5) and intervention groups (2.9; 95% CI: 2.4-3.3) (P = .12). PIM-Check displayed 33.4% of the 311 DRPs identified in the intervention group. WHAT IS NEW AND CONCLUSION: In this study, PIM-Check had limited value, as the average number of DRPs per person was similar in both groups. Although one-third of DRPs counted in intervention group had been identified by PIM-Check, this did not lead to a reduction in DRPs. This lack of impact of PIM-Check on drug prescription may be explained by the number of alerts displayed by the application and hospital physicians' reluctance to modify the treatments for chronic conditions previously prescribed by general practitioners.
Assuntos
Efeitos Colaterais e Reações Adversas Relacionados a Medicamentos/prevenção & controle , Prescrição Inadequada/prevenção & controle , Lista de Medicamentos Potencialmente Inapropriados , Padrões de Prática Médica/normas , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Hospitalização , Hospitais Universitários , Humanos , Medicina Interna , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Fatores de Risco , Adulto JovemRESUMO
BACKGROUND: Recent studies have independently implicated the chemokine CXCL12 and its receptors, CXCR4 and CXCR7, in the pathophysiology of Kaposi sarcoma (KS). OBJECTIVES: We investigated whether the CXCL12/CXCR4-CXCR7 protein trio could constitute KS biomarkers. METHODS: Endothelial and spindle cells positive for CXCL12/CXCR4-CXCR7, human herpesvirus-8 latency-associated nuclear antigen (LANA), Ki67 antigen (proliferation) and vascular endothelial growth factor (VEGF) were quantitated in skin lesions from patients with AIDS-associated KS, patients with classic KS and patients with angiomas, using immunohistochemistry and quantitative image analysis (16, 21 and 20 skin lesions, respectively). Plasma CXCL12 concentrations were measured by enzyme-linked immunosorbent assay from 20 patients with AIDS-KS, 12 HIV-infected patients without KS and 13 healthy donors' samples. RESULTS: Cells positive for CXCL12, CXCR4, CXCR7, LANA, Ki67 and VEGF were significantly enriched in patients with AIDS-associated KS and classic KS vs. angiomas (P < 0·001), and in nodular vs. macular/papular KS lesions (P < 0·05). CXCL12, CXCR4 and CXCR7 detection correlated with LANA, Ki67 and VEGF detection (r > 0·4; P < 0·05). However, plasma CXCL12 concentrations did not differ between patients with AIDS-associated KS, HIV-infected patients without KS, and healthy donors. CONCLUSIONS: The CXCL12/CXCR4-CXCR7 trio is upregulated in KS and correlates with KS pathophysiological markers and the severity of skin lesions. Histological assessment of the CXCL12 axis could serve as a valuable biomarker for KS diagnosis and progression.
Assuntos
Biomarcadores Tumorais/metabolismo , Quimiocina CXCL12/metabolismo , Receptores CXCR4/metabolismo , Receptores CXCR/metabolismo , Sarcoma de Kaposi/metabolismo , Neoplasias Cutâneas/metabolismo , Adulto , Inibidores da Angiogênese/uso terapêutico , Antígenos Virais/metabolismo , Estudos de Casos e Controles , Feminino , Humanos , Lenalidomida , Masculino , Proteínas Nucleares/metabolismo , Talidomida/análogos & derivados , Talidomida/uso terapêutico , Fator A de Crescimento do Endotélio Vascular/metabolismoRESUMO
We describe the pharmacokinetics of dolutegravir (DTG) in a premature neonate after maternal intensification of an antiretroviral (ARV) regimen by adding DTG. During the last 2 weeks of pregnancy, the ARV was tenofovir-emtricitabine, atazanavir-ritonavir, and DTG (50 mg once daily). From the interaction between atazanavir and DTG via CYP3A4 and UGT1A1 and placental efflux transporter inhibition and considering the infant's probable enzymatic immaturity, the DTG elimination half-life was estimated to be 4-fold longer in neonates than in adults.
