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1.
J Clin Microbiol ; 58(2)2020 01 28.
Artigo em Inglês | MEDLINE | ID: mdl-31723015

RESUMO

Laboratory diagnosis of microbial agents associated with sexually transmitted infections plays an important role in both the care of victims of child sexual abuse (CSA) and the investigation of suspected CSA incidents, with law enforcement implications. Rapid and sensitive test results prompt immediate actions to treat and protect the victimized children. The development and maturation of automated nucleic acid amplification tests (NAATs) has greatly improved the assay sensitivity and specificity, with only a 1- to 2-h turnaround time. Unfortunately, the performance characteristics of NAATs have been determined largely with a few limited specimen types and evaluated in adults only. This minireview attempts to cover the scope of infectious agents potentially implicated in CSA, specimen collection, laboratory test modalities, and laboratory report constraints, further complicated by infrequently collected specimen types from prepubertal children <13 years of age.


Assuntos
Abuso Sexual na Infância/diagnóstico , Técnicas de Laboratório Clínico/métodos , Técnicas de Amplificação de Ácido Nucleico/métodos , Infecções Sexualmente Transmissíveis/diagnóstico , Criança , Pré-Escolar , Feminino , Humanos , Masculino , Sensibilidade e Especificidade , Manejo de Espécimes/métodos
2.
Clin Trials ; 14(3): 314-318, 2017 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-28135804

RESUMO

INTRODUCTION: Equipoise is usually discussed as an ethical issue in clinical trials. However, it also has practical implications. BACKGROUND: Clinical equipoise is usually construed to mean uncertainty or disagreement among the expert clinician community. However, an individual physician's sense of equipoise may vary by location, based on the local standard of care or availability of specific treatment options, and these differences can affect providers' willingness to enroll participants into clinical trials. There are also logistical barriers to enrollment in international trials due to prolonged timelines for approvals by government agencies and ethical review boards. CASE STUDY: A multinational clinical trial of bridging strategies for treatment of non-adherent HIV-infected youth, experienced differing perceptions of equipoise due to disparities in availability of treatment options by country. Unfortunately, the countries with most demand for the trial were those where the approval process was most delayed, and the study was closed early due to slow accrual. DISCUSSION: When planning multicenter clinical trials, it is important to take into account heterogeneity among research sites and try to anticipate differences in equipoise and logistical factors between sites, in order to plan to address these issues at the design stage.


Assuntos
Pesquisa Biomédica/métodos , Ensaios Clínicos como Assunto , Infecções por HIV/terapia , Seleção de Pacientes , Projetos de Pesquisa , Equipolência Terapêutica , Saúde Global , Disparidades em Assistência à Saúde , Humanos , Estudos Multicêntricos como Assunto , Cooperação e Adesão ao Tratamento , Incerteza
3.
J Pediatr ; 166(4): 827-33, 2015 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-25491092

RESUMO

OBJECTIVE: To evaluate the utility of quantitative herpes simplex virus (HSV) polymerase chain reaction (PCR) levels for prognosis and management of neonatal HSV disease. STUDY DESIGN: Clinical and virologic data were abstracted by medical record review from neonatal HSV cases treated at Seattle Children's Hospital between 1993 and 2012. HSV PCR results from plasma (n = 47), cerebrospinal fluid (n = 56), or both (n = 40) at the time of diagnosis were available from 63 infants; 26 with skin-eye-mouth (SEM), 18 with central nervous system (CNS), and 19 with disseminated (DIS) disease. RESULTS: Plasma HSV PCR was positive in 78% of the infants with SEM, 64% with CNS and 100% with DIS disease. Mean plasma viral level was 2.8 log10 copies/mL in SEM, 2.2 log10 copies/mL in CNS, and 7.2 log10 copies/mL in DIS infants. The HSV levels were higher among infants who died compared with surviving infants, 8.1 log10 copies/mL (range 7.7-8.6) vs 3.8 log10 copies/mL (range 0.0-8.6), P = .001, however, level of HSV DNA in the cerebrospinal fluid or in plasma did not correlate with neurologic outcome. Dynamics of HSV clearance from plasma during high-dose acyclovir treatment showed single-phase exponential decay with a median viral half-life of 1.26 days (range: 0.8-1.51). CONCLUSIONS: Plasma HSV levels correlate with clinical presentation of neonatal HSV disease and mortality, but not neurologic outcome.


Assuntos
Líquido Cefalorraquidiano/virologia , DNA Viral/análise , Herpes Simples/sangue , Complicações Infecciosas na Gravidez/sangue , Simplexvirus/isolamento & purificação , Progressão da Doença , Feminino , Seguimentos , Herpes Simples/líquido cefalorraquidiano , Herpes Simples/diagnóstico , Humanos , Lactente , Recém-Nascido , Masculino , Reação em Cadeia da Polimerase , Complicações Infecciosas na Gravidez/líquido cefalorraquidiano , Complicações Infecciosas na Gravidez/diagnóstico , Estudos Retrospectivos , Índice de Gravidade de Doença , Simplexvirus/genética
4.
Otolaryngol Head Neck Surg ; 170(5): 1430-1441, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38415855

RESUMO

OBJECTIVE: To determine the positivity rate of congenital cytomegalovirus (cCMV) testing among universal, hearing-targeted CMV testing (HT-cCMV) and delayed targeted dried blood spot (DBS) testing newborn screening programs, and to examine the characteristics of successful HT-cCMV testing programs. STUDY DESIGN: Prospective survey of birth hospitals performing early CMV testing. SETTING: Multiple institutions. METHODS: Birth hospitals participating in the National Institutes of Health ValEAR clinical trial were surveyed to determine the rates of cCMV positivity associated with 3 different testing approaches: universal testing, HT-cCMV, and DBS testing. A mixed methods model was created to determine associations between successful HT-cCMV screening and specific screening protocols. RESULTS: Eighty-two birth hospitals were surveyed from February 2019 to December 2021. Seven thousand six hundred seventy infants underwent universal screening, 9017 infants HT-cCMV and 535 infants delayed DBS testing. The rates of cCMV positivity were 0.5%, 1.5%, and 7.3%, respectively. The positivity rate for universal CMV screening was less during the COVID-19 pandemic than that reported prior to the pandemic. There were no statistically significant drops in positivity for any approach during the pandemic. For HT-cCMV testing, unique order sets and rigorous posttesting protocols were associated with successful screening programs. CONCLUSION: Rates of cCMV positivity differed among the 3 approaches. The rates are comparable to cohort studies reported in the literature. Universal CMV prevalence decreased during the pandemic but not significantly. Institutions with specific order set for CMV testing where the primary care physician orders the test and the nurse facilitates the testing process exhibited higher rates of HT-cCMV testing.


Assuntos
Infecções por Citomegalovirus , Triagem Neonatal , Humanos , Infecções por Citomegalovirus/diagnóstico , Infecções por Citomegalovirus/congênito , Infecções por Citomegalovirus/epidemiologia , Triagem Neonatal/métodos , Recém-Nascido , Estudos Prospectivos , COVID-19/epidemiologia , COVID-19/diagnóstico , Estados Unidos/epidemiologia , Teste em Amostras de Sangue Seco , Feminino , Masculino
6.
Physiother Theory Pract ; 39(7): 1325-1341, 2023 Jul 03.
Artigo em Inglês | MEDLINE | ID: mdl-35225753

RESUMO

INTRODUCTION: The world's population is experiencing an increasing prevalence of depressive disorders. A comprehensive literature review identifies a schism between current medical interventions and the increasing prevalence. Current treatment paradigms warrant analysis. OBJECTIVE: This manuscript theorizes an interdisciplinary team inclusive of physiotherapy as a standard would reverse the increasing prevalence. Physiotherapists' musculoskeletal expertise and biopsychosocial approach play a valuable role in mental health. METHODS: A clinical narrative review of depression, including parallels with chronic pain, is provided as a substantive foundation. The review includes challenges in primary care as the gateway to mental health. Depression's underlying mechanisms, standard interventions, current theories, and future paradigms are explored. RESULTS: A theoretical construct was formulated. This construct identified compromised emotion-regulation and self-efficacy as common dysfunctions that enables and perpetuates depression. Physical activity with cognitive reappraisals positively influences these common dysfunctions and improves general intervention outcomes. The psychologically informed physiotherapist is defined. Physiotherapists can provide functional interventions and cognitive reappraisals that address biopsychosocial needs and build resilience. CONCLUSION: Individualized physical and functional activity that facilitate therapeutic alliance, functional improvements, cognitive reappraisals, emotion-regulation and self-efficacy delivered by a physiotherapist provide sustainable behavioral change and completes the interdisciplinary mental health team.


Assuntos
Dor Crônica , Fisioterapeutas , Humanos , Depressão/terapia , Modalidades de Fisioterapia , Dor Crônica/terapia , Saúde Mental , Autoeficácia , Fisioterapeutas/psicologia
7.
Int J Neonatal Screen ; 9(2)2023 Mar 24.
Artigo em Inglês | MEDLINE | ID: mdl-37092511

RESUMO

Congenital cytomegalovirus (cCMV) continues to be a major public health care issue due to its high prevalence throughout the world. However, there is a paucity of studies evaluating how providers manage this infection. This study surveyed North American Pediatric Infectious Disease (PID) physicians to elicit their approach towards the evaluation and treatment of this condition. Thirty-two PID physicians responded to this survey. Institutional testing and screening for cCMV were infrequently reported. The respondents in general agreed upon most laboratory and diagnostic testing except for neuroimaging. For those tests, there was a disparity in indications for head ultrasound versus brain MRI imaging. Most (68.8%) agreed with the clinical practice of starting valganciclovir in an infant less than 1 month of age with one sign or symptom of disease, and 62.5% would do so for an infant with isolated sensorineural hearing loss. However, only 28.1% would treat cCMV-infected infants older than 1 month of age. In conclusion, few healthcare institutions represented by PID physicians in this cohort had a cCMV screening or testing initiative, yet most respondents would test at a much higher level based on their clinical practice. While there is general consensus in evaluation and treatment of these children, there are disparities in practices regarding neuroimaging and indications for antiviral treatment with respect to age and severity of disease. There is a great need for an evidence based policy statement to standardize cCMV workup and treatment.

8.
AIDS ; 37(14): 2131-2136, 2023 11 15.
Artigo em Inglês | MEDLINE | ID: mdl-37650755

RESUMO

OBJECTIVE: To develop an injectable dosage form of the daily oral HIV drugs, tenofovir (T), lamivudine (L), and dolutegravir (D), creating a single, complete, all-in-one TLD 3-drug-combination that demonstrates long-acting pharmacokinetics. DESIGN: Using drug-combination-nanoparticle (DcNP) technology to stabilize multiple HIV drugs, the 3-HIV drugs TLD, with disparate physical-chemical properties, are stabilized and assembled with lipid-excipients to form TLD-in-DcNP . TLD-in-DcNP is verified to be stable and suitable for subcutaneous administration. To characterize the plasma time-courses and PBMC concentrations for all 3 drugs, single subcutaneous injections of TLD-in-DcNP were given to nonhuman primates (NHP, M. nemestrina ). RESULTS: Following single-dose TLD-in-DcNP , all drugs exhibited long-acting profiles in NHP plasma with levels that persisted for 4 weeks above predicted viral-effective concentrations for TLD in combination. Times-to-peak were within 24 hr in all NHP for all drugs. Compared to a free-soluble TLD, TLD-in-DcNP provided exposure enhancement and extended duration 7.0-, 2.1-, and 20-fold as AUC boost and 10-, 8.3-, and 5.9-fold as half-life extension. Additionally, DcNP may provide more drug exposure in cells than plasma with PBMC-to-plasma drug ratios exceeding one, suggesting cell-targeted drug-combination delivery. CONCLUSIONS: This study confirms that TLD with disparate properties can be made stable by DcNP to enable TLD concentrations of 4 weeks in NHP. Study results highlighted the potential of TLD-in-DcNP as a convenient all-in-one, complete HIV long-acting product for clinical development.


Assuntos
Fármacos Anti-HIV , Infecções por HIV , Animais , Tenofovir , Lamivudina/uso terapêutico , Preparações Farmacêuticas , Infecções por HIV/tratamento farmacológico , Leucócitos Mononucleares , Oxazinas/uso terapêutico , Piridonas/uso terapêutico , Compostos Heterocíclicos com 3 Anéis , Combinação de Medicamentos , Fármacos Anti-HIV/uso terapêutico
9.
J Pediatric Infect Dis Soc ; 12(12): 602-609, 2023 Dec 16.
Artigo em Inglês | MEDLINE | ID: mdl-37815035

RESUMO

BACKGROUND: IMPAACT 2014 study is a phase I/II, multicenter, open-label, nonrandomized study of doravirine (DOR) co-formulated with lamivudine (3TC) and tenofovir disoproxil fumarate (TDF) as fixed-dose combination (DOR FDC) in adolescents with HIV-1. We report the efficacy, safety, and tolerability of DOR FDC through 96 weeks. METHODS: Participants were adolescents aged 12 to <18 years who weighed at least 45 kg and who were either antiretroviral (ARV)-naïve or virologically suppressed without documented resistance mutations to DOR/3TC/TDF. The efficacy endpoint was the proportion of participants with HIV-1 RNA <40 copies/mL assessed at weeks 48 and 96 using the observed failure approach. Safety and tolerability outcomes were incidence of adverse events (AEs) and treatment discontinuations. RESULTS: A total of 45 adolescents, median age 15 (range, 12-17) years, 58% females, were enrolled and 2 (4.4%) participants were ARV naïve. Of the 45 participants, 42 (93.3%) completed the study and 41 (91.1%) completed the study treatment. At week 48, 41/42 (97.6%; 95% confidence interval [CI], 87.4-99.9) and week 96, 37/40 (92.5%; 95% CI, 79.6-98.4) participants had achieved or maintained HIV-1 RNA <40 copies/mL. There were no treatment-related discontinuations due to AEs and no drug-related AEs ≥grade 3 or deaths. CONCLUSIONS: We found once-daily dosing of DOR FDC to be safe and well tolerated for maintaining viral suppression through 96 weeks in adolescents living with HIV-1.


Assuntos
Fármacos Anti-HIV , Infecções por HIV , Soropositividade para HIV , Adolescente , Feminino , Humanos , Masculino , Fármacos Anti-HIV/efeitos adversos , Antirretrovirais/uso terapêutico , Infecções por HIV/tratamento farmacológico , Lamivudina/efeitos adversos , RNA/uso terapêutico , Tenofovir/efeitos adversos , Resultado do Tratamento
10.
J Acquir Immune Defic Syndr ; 92(2): 153-161, 2023 02 01.
Artigo em Inglês | MEDLINE | ID: mdl-36215957

RESUMO

BACKGROUND: We studied the pharmacokinetics (PK) and safety of 100-mg doravirine and doravirine/lamivudine/tenofovir disoproxil fumarate fixed-dose combination (100/300/300 mg DOR FDC) treatment in adolescents with HIV-1. METHODS: Adolescents ages 12 to younger than 18 years were enrolled in 2 sequential cohorts. Cohort 1 evaluated intensive PK and short-term safety of 100-mg single-dose doravirine in adolescents ≥35 kg. Cohort 2 participants either initiated treatment with DOR FDC (antiretroviral (ARV)-naïve) or switched to DOR FDC from a previous ARV regimen (virologically suppressed). The first 10 Cohort 2 participants had intensive PK evaluations, and safety, sparse PK, and HIV RNA were assessed through week 24. RESULTS: Fifty-five adolescents, median age 15.0 years and baseline weight 51.5 kg, were enrolled. Nine participants completed Cohort 1 PK assessments (8 of the 9 participants weighed ≥45 kg) and 45 initiated study drug in Cohort 2. The doravirine geometric mean (GM) AUC 0-∞ was 34.8 µM∙hour, and the GM C 24 was 514 nM after a single dose, with a predicted steady-state GM C 24,ss,pred of 690 nM. Cohort 2 enrolled adolescents weighing ≥45 kg. Plasma concentrations of doravirine, tenofovir, and lamivudine achieved by Cohort 2 participants were similar to those reported in adults. No drug-related serious or grade 3 or 4 adverse events occurred. Forty-two of 45 participants (93.3%; 95% CI: [81.7, 98.6]) achieved or maintained HIV-1 RNA <40 copies/mL. CONCLUSIONS: Doravirine and DOR FDC achieved target PK in adolescents with HIV-1. DOR FDC was well-tolerated and maintained excellent virologic efficacy through 24 weeks, offering a favorable option for adolescents.


Assuntos
Fármacos Anti-HIV , Infecções por HIV , Soropositividade para HIV , HIV-1 , Adulto , Humanos , Adolescente , Criança , Lamivudina/efeitos adversos , Lamivudina/farmacocinética , Fármacos Anti-HIV/efeitos adversos , Fármacos Anti-HIV/farmacocinética , Infecções por HIV/tratamento farmacológico , Tenofovir/uso terapêutico , Antirretrovirais/uso terapêutico , Piridonas/uso terapêutico , Soropositividade para HIV/tratamento farmacológico , RNA Viral , Comprimidos , Emtricitabina/uso terapêutico
11.
J Pediatric Infect Dis Soc ; 11(3): 94-101, 2022 Mar 24.
Artigo em Inglês | MEDLINE | ID: mdl-34894240

RESUMO

BACKGROUND: Over the past several decades, there have been advances in diagnosis and treatment of neonatal herpes simplex virus (HSV) disease. There has been no recent comprehensive evaluation of the impact of these advances on the management and outcomes for neonates with HSV. METHODS: Clinical data for initial presentation, treatment, and outcomes were abstracted from medical records of neonates with HSV treated at Seattle Children's Hospital between 1980 and 2016. RESULTS: One hundred thirty infants with a diagnosis of neonatal HSV were identified. Between 1980 and 2016, high-dose acyclovir treatment for neonatal HSV infection increased from 0% to close to 95%, with subsequent decrease in overall HSV-related mortality from 20.9% to 5.6%. However, even among infants treated with high-dose acyclovir, mortality was 40.9% for infants with disseminated (DIS) disease, and only 55% of infants with central nervous system (CNS) disease were without obvious neurologic abnormalities at 24 months. Over the study period, the time between initial symptoms and diagnosis decreased. Skin recurrences were more common with HSV-2 than HSV-1 (80% vs 55%; P = .02) and in infants with lesions at initial diagnosis (76% vs 47%; P = .02). CONCLUSION: Changes in the standard of care for management of neonatal HSV disease have led to improvements in timeliness of diagnosis and outcome but mortality in infants with DIS disease and neurologic morbidity in infants with CNS disease remain high. Future research should focus on prevention of perinatal infection and subsequent recurrences.


Assuntos
Herpes Simples , Complicações Infecciosas na Gravidez , Aciclovir/uso terapêutico , Antivirais/uso terapêutico , Criança , Feminino , Herpes Simples/diagnóstico , Herpes Simples/tratamento farmacológico , Herpes Simples/epidemiologia , Humanos , Lactente , Recém-Nascido , Gravidez , Complicações Infecciosas na Gravidez/diagnóstico , Complicações Infecciosas na Gravidez/tratamento farmacológico , Complicações Infecciosas na Gravidez/epidemiologia
12.
Pediatrics ; 150(4)2022 10 01.
Artigo em Inglês | MEDLINE | ID: mdl-36052601

RESUMO

Premastication is a potential route of transmission of HIV from caregiver to child. We report the case of a 13-month-old Alaska Native child from rural Alaska who presented with failure to thrive, recurrent pneumonias, severe dental decay, and dysphagia. The mother was HIV-uninfected. Respiratory failure prompted transfer to a children's hospital outside of Alaska where the child received a diagnosis of HIV infection. A grandparent who had been acting as primary caregiver was discovered to be HIV-infected with detectable viral load resulting from intermittent nonadherence to her medication regimen. This grandparent reported feeding the child premasticated food. Sequencing of the hypervariable C2V5 region of the HIV envelope gene in both patients demonstrated less than 0.05% variation, consistent with transmission from grandparent to child. Health care providers should be aware that transmission of HIV can occur via premastication, educate parents and caregivers regarding this risk, and rigorously pursue HIV testing when indicated even in children with HIV-uninfected mothers.


Assuntos
Infecções por HIV , Cuidadores , Criança , Feminino , Alimentos , Infecções por HIV/diagnóstico , Infecções por HIV/tratamento farmacológico , Humanos , Lactente , Transmissão Vertical de Doenças Infecciosas , Mastigação , Mães
13.
J Pediatric Infect Dis Soc ; 10(3): 382-385, 2021 Apr 03.
Artigo em Inglês | MEDLINE | ID: mdl-32955095

RESUMO

Severe drug hypersensitivity reactions to antibiotics are rare but trimethoprim-sulfamethoxazole (TMP-SMX) is uniquely associated with numerous and varied manifestations including a reaction resembling septic shock, first observed in human immunodeficiency virus (HIV)/AIDS patients. Over the past 25 years about 20 cases have been reported and an association with the virus and related immune system dysregulation was assumed. However, recent reports in adults have recognized similar shock-like reactions in non-HIV infected individuals. Here we review severe TMP-SMX hypersensitivity reactions and within the context of these known reactions, describe three non-HIV infected adolescent patients with shock-like reactions to TMP-SMX observed in one institution over 1.5 years.


Assuntos
Hipersensibilidade a Drogas , Infecções por HIV , Adolescente , Adulto , Antibacterianos/efeitos adversos , Hipersensibilidade a Drogas/etiologia , Infecções por HIV/tratamento farmacológico , Humanos , Combinação Trimetoprima e Sulfametoxazol/efeitos adversos
14.
J Investig Med ; 69(5): 1050-1055, 2021 06.
Artigo em Inglês | MEDLINE | ID: mdl-34074706

RESUMO

Data and Safety Monitoring Boards (DSMBs) derived from the need to monitor large federally funded multi-center clinical trials and evolved to include commercial and other large and complex trials. Eventually, academic health centers also created institutionally focused trial monitoring mechanisms. The basic general principles that define traditional DSMBs extend to the institutional level. The primary responsibilities are assuring safety of the participants, preserving the integrity of the trial, and ensuring the reliability of the results. Institutionally chartered DSMBs meet these responsibilities but usually have fewer members, have a structure specific to the needs of the trial, are more focused and/or have different scope reviewing smaller, single site, higher risk, and investigator-initiated studies and are flexible to accommodate institution-specific requirements and approaches. Their purpose is to meet the responsibilities of oversight for safety and data integrity, ensure proper study design, rigor and conduct, as well as provide statistical support appropriate to the setting of the research. Academic health centers should recognize the importance and existence of institution level safety and data monitoring and provide support as much as possible. Investigators should have sufficient resources available to assemble DSMBs. The Clinical and Translational Science Awards Collaborative DSMB Workgroup provides an online manual to assist investigators.


Assuntos
Comitês de Monitoramento de Dados de Ensaios Clínicos , Segurança do Paciente , Ciência Translacional Biomédica , Humanos , Reprodutibilidade dos Testes , Pesquisadores
16.
J Clin Transl Sci ; 4(2): 75-80, 2020 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-32313695

RESUMO

A collaborative research model was developed and tested to enable regional healthcare systems to join multisite clinical trials emanating from the Clinical and Translational Science Award (CTSA) Trial Innovation Network (TIN) by the Institute of Translational Health Sciences at the University of Washington and the Northwest Participant and Clinical Interactions (NW PCI) Network. The NW PCI is a collaborative group of regional research programs located at medical centers, healthcare systems, and universities across Washington, Wyoming, Alaska, Montana, and Idaho. This article describes the purpose, development, barriers, and initial experience with feasibility assessment for TIN-supported studies in the NW PCI. The tools and processes of the NW PCI Network were adapted to enable network sites to assess studies for clinical relevance and feasibility. Seven of seventeen TIN-supported studies were reviewed for consideration; three of which resulted in successful completion of study documentation for site selection by NW PCI sites. The NW PCI/TIN model can be adapted by other CTSAs to increase involvement of regional research programs in national multisite clinical research studies. Barriers to expanding TIN-supported trials to regional networks include short timelines for study document submissions, insufficient site reimbursement rates, and non-feasible study designs.

17.
J Clin Transl Sci ; 3(4): 147-151, 2019 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-31660239

RESUMO

Every research study that includes volunteer participants requires safety assurances in proportion to the risks of the study. Investigator-initiated clinical research can present unique regulatory challenges particularly for studies with a risk profile that warrants more oversight than minimal risk but less than for large, commercial, or high-risk research. The use of an independent safety officer (ISO) offers a middle way of right-sizing oversight to match the risk. ISOs are clinicians or researchers with relevant expertise who are independent of the investigator and the research study. Their relationship to the study is defined by a formal charter which is aligned with the protocol and Data and Safety Monitoring Plan to address the oversight process, responsibilities of the ISO, and clearly describe the variables to be monitored. The ISO responsibilities include reviewing safety data, adverse events, recruitment, demographics, study progress, data quality, protocol changes, and any new scientific information that pertains to the trial. Finally, the ISO reports in their review on any significant findings may propose modifications to the study or a need to stop the trial.

18.
Antivir Ther ; 13(3): 349-55, 2008.
Artigo em Inglês | MEDLINE | ID: mdl-18572747

RESUMO

BACKGROUND: To investigate the effect of exposure to protease inhibitor (PI) therapy in utero on cord blood lipids in infants born to mothers enrolled in AIDS Clinical Trials Group protocol 5084, a prospective, multicentre, observational study of antiretroviral therapy (ART) during pregnancy. METHODS: Clinical outcome was determined in 80 infants born to women treated with PIs and 73 infants born to women treated with other antiretrovirals during pregnancy. Cord blood serum from 117 of these infants was assayed for total, low-density lipoprotein (LDL) and high-density lipoprotein (HDL) cholesterol, triglyceride, apolipoprotein A1 (apoA1), apolipoprotein B100 (apoB) and lipoprotein (a). Covariates considered in the analysis included race/ethnicity, gestational age, infant gender, infant birth weight, mode of delivery, maternal tobacco and alcohol use, post-partum body mass index, and ART duration. RESULTS: Cord blood total and HDL cholesterol, triglyceride, apoA1, apoB, lipoprotein (a) and apoB/apoA1 ratio were not different between the two groups. Cord blood lipid levels in these HIV-exposed infants were similar to those reported in other neonatal cohorts. Controlling for race/ethnicity, infants born to women treated with PIs had higher LDL cholesterol than those born to women not treated with PIs (29 mg/dl versus 27 mg/dl, P = 0.006). CONCLUSION: Only LDL cholesterol was significantly higher in the cord blood of PI-exposed infants versus those not exposed to PIs in utero. As the difference between the two groups was small, the clinical relevance of the effect of maternal PI treatment on infant LDL cholesterol levels at birth is not clear.


Assuntos
Antirretrovirais/uso terapêutico , LDL-Colesterol/sangue , Sangue Fetal/metabolismo , Infecções por HIV/tratamento farmacológico , Inibidores da Protease de HIV/uso terapêutico , HIV-1 , Complicações Infecciosas na Gravidez/tratamento farmacológico , Antirretrovirais/efeitos adversos , Apolipoproteína A-I/sangue , Apolipoproteínas B/sangue , HDL-Colesterol/sangue , Quimioterapia Combinada , Feminino , Infecções por HIV/transmissão , Infecções por HIV/virologia , Inibidores da Protease de HIV/efeitos adversos , Humanos , Recém-Nascido , Lipoproteína(a)/sangue , Masculino , Gravidez , Complicações Infecciosas na Gravidez/virologia , Estudos Prospectivos , Resultado do Tratamento , Triglicerídeos/sangue , Estados Unidos
19.
HIV Clin Trials ; 9(2): 126-36, 2008.
Artigo em Inglês | MEDLINE | ID: mdl-18474497

RESUMO

BACKGROUND: The effects of gestational nucleoside reverse transcriptase inhibitors (NRTIs) on mitochondrial DNA (mtDNA) are controversial. The effects of mtDNA depletion on mitochondrial function have not been assessed. METHOD: In peripheral blood mononuclear cells (PBMCs) from infants born to HIV-infected women and infants born to HIV-1-uninfected women, mtDNA copy numbers were determined by quantitative PCR; nuclear (COXIV)- and mitochondrial (COXII)-encoded polypeptides of the oxidative phosphorylation enzyme cytochrome c-oxidase (COX or complex IV) were quantified by Western blot. RESULTS: Overall, 86 infants born to HIV-infected women and 50 controls were studied. HIV-infected mothers had a median CD4 count of 506 cells/microL; 59% had HIV RNA 50 copies/mL. No infant had clinical evidence of mitochondrial disease. The birth weight was lower (p = .016) and the body length higher (p = .002) in the HIV-exposed newborns. Eighty-one HIV-infected women had received gestational NRTIs (median duration 162 days). Median mtDNA copies/PBMC in the HIV-exposed infants were 505 (range, 120-1365) vs. 213 (27-426) in controls (p < .001). COX II/IV ratios were similar in both groups. Although mtDNA levels correlated inversely with maternal lactate, mitochondrial indices did not correlate with maternal CD4+ count, HIV RNA, smoking, or alcohol consumption. CONCLUSION: We found elevated mtDNA copy numbers in PBMC of infants born to HIV-infected women, the majority of whom received NRTI-based therapy, when compared to those born to healthy HIV-negative controls, but there was no difference in mtDNA-encoded respiratory chain protein. The clinical consequence of these findings is unknown and requires further investigations.


Assuntos
DNA Mitocondrial/análise , Infecções por HIV/tratamento farmacológico , Leucócitos Mononucleares/química , Leucócitos Mononucleares/enzimologia , Proteínas Mitocondriais/análise , Complicações Infecciosas na Gravidez , Adolescente , Adulto , Peso ao Nascer , Western Blotting , Estatura , Contagem de Linfócito CD4 , Citocromos c/análise , Feminino , HIV-1/isolamento & purificação , Humanos , Recém-Nascido , Reação em Cadeia da Polimerase/métodos , Gravidez , Complicações Infecciosas na Gravidez/tratamento farmacológico , RNA Viral/sangue , Carga Viral
20.
Am J Obstet Gynecol ; 196(4): 331.e1-7, 2007 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-17403409

RESUMO

OBJECTIVE: The objective of the study was to determine whether protease inhibitors increase glucose intolerance and insulin resistance in pregnancy. STUDY DESIGN: In this multicenter, prospective, observational study, 149 human immunodeficiency virus-1-infected pregnant women had fasting insulin, glucose, and C-peptide measured followed by a 1 hour, 50 g glucose test. Glucose intolerance was defined as a 1 hour glucose greater than 130 mg/dL. Glucose intolerance, homeostasis model assessment of insulin resistance and pancreatic beta-cell function, and pregnancy outcomes were compared between those taking protease inhibitors and those not. RESULTS: Fifty-seven of 149 subjects (38%) had glucose intolerance. Body mass index, Hispanic ethnicity, and maternal age, but not protease inhibitors, were associated with glucose intolerance. There were no differences in insulin resistance, beta-cell function, or pregnancy outcome associated with protease inhibitor use. CONCLUSIONS: Protease inhibitors do not increase risk of glucose intolerance or insulin resistance among pregnant women.


Assuntos
Infecções por HIV/tratamento farmacológico , Inibidores da Protease de HIV/uso terapêutico , Complicações Infecciosas na Gravidez/tratamento farmacológico , Resultado da Gravidez , Adolescente , Adulto , Glicemia , Diabetes Gestacional/prevenção & controle , Relação Dose-Resposta a Droga , Esquema de Medicação , Feminino , Seguimentos , Idade Gestacional , Intolerância à Glucose , Teste de Tolerância a Glucose , Infecções por HIV/diagnóstico , Humanos , Recém-Nascido , Modelos Logísticos , Gravidez , Complicações Infecciosas na Gravidez/diagnóstico , Probabilidade , Estudos Prospectivos , Medição de Risco , Estatísticas não Paramétricas
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