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1.
Clin Infect Dis ; 78(5): 1131-1139, 2024 May 15.
Artigo em Inglês | MEDLINE | ID: mdl-38325290

RESUMO

BACKGROUND: Approximately 15% of patients in sexually transmitted infection (STI) clinics report penicillin allergies, complicating treatment for syphilis and gonorrhea. Nonetheless, >90% do not have a penicillin allergy when evaluated. We developed and validated an algorithm to define which patients reporting penicillin allergy can be safely treated at STI clinics with these drugs. METHODS: Randomized controlled trial to assess feasibility and safety of penicillin allergy evaluations in STI clinics. Participants with reported penicillin allergy answered an expert-developed questionnaire to stratify risk. Low-risk participants underwent penicillin skin testing (PST) followed by amoxicillin 250 mg challenge or a graded oral challenge (GOC)-amoxicillin 25 mg followed by 250 mg. Reactions were recorded, and participant/provider surveys were conducted. RESULTS: Of 284 participants, 72 (25.3%) were deemed high risk and were excluded. Of 206 low-risk participants, 102 (49.5%) underwent PST without reactions and 3 (3%) had mild reactions during the oral challenge. Of 104 (50.5%) participants in the GOC, 95 (91.3%) completed challenges without reaction, 4 (4.2%) had mild symptoms after 25 mg, and 4 (4.2%) after 250-mg doses. Overall, 195 participants (94.7%) successfully completed the study and 11 (5.3%) experienced mild symptoms. Of 14 providers, 12 (85.7%) completed surveys and 11 (93%) agreed on the safety/effectiveness of penicillin allergy assessment in STI clinics. CONCLUSIONS: An easy-to-administer risk-assessment questionnaire can safely identify patients for penicillin allergy evaluation in STI clinics by PST or GOC, with GOC showing operational feasibility. Using this approach, 67% of participants with reported penicillin allergy could safely receive first-line treatments for gonorrhea or syphilis. Clinical Trials Registration. Clinicaltrials.gov (NCT04620746).


Assuntos
Algoritmos , Hipersensibilidade a Drogas , Penicilinas , Humanos , Hipersensibilidade a Drogas/diagnóstico , Masculino , Adulto , Feminino , Penicilinas/efeitos adversos , Penicilinas/administração & dosagem , Pessoa de Meia-Idade , Testes Cutâneos/métodos , Antibacterianos/administração & dosagem , Antibacterianos/efeitos adversos , Antibacterianos/uso terapêutico , Infecções Sexualmente Transmissíveis/diagnóstico , Infecções Sexualmente Transmissíveis/tratamento farmacológico , Adulto Jovem , Pacientes Ambulatoriais , Inquéritos e Questionários
2.
Sex Transm Infect ; 99(3): 156-161, 2023 05.
Artigo em Inglês | MEDLINE | ID: mdl-35636931

RESUMO

OBJECTIVES: Observational studies demonstrate an association between vaginal douching and bacterial vaginosis (BV) characterised by Gram stain. We sought to describe the effect of a douching cessation intervention on the composition and structure of the vaginal microbiota and molecular-BV, a state defined by low levels of Lactobacillus spp evaluated by molecular tools. METHODS: 33 women self-collected mid-vaginal swabs twice weekly (982 samples) during a douching observation phase (4 weeks) followed by a douching cessation phase (12 weeks) in a 2005 single crossover pilot study conducted in Baltimore, Maryland. Vaginal microbiota were characterised by 16S rRNA gene amplicon sequencing (V3-V4) and clustered into community state types (CSTs). Conditional logistic regression modelling allowed each participant to serve as their own control. Wilcoxon signed-rank tests were used to evaluate changes in microbiota between phases. Broad-range qPCR assays provided estimates of bacterial absolute abundance per swab in a subsample of seven participants before and after douching. A piecewise linear mixed effects model was used to assess rates of change in bacterial absolute abundance before and after douching. RESULTS: There was no statistically significant change in the odds of molecular-BV versus Lactobacillus-dominated CSTs comparing the douching cessation interval to douching observation (adjusted OR 1.77, 95% CI 0.89 to 3.55). Removal of L. iners-dominated CST III from the outcome did not affect the results. There were no significant changes in the relative abundance of four Lactobacillus spp and no meaningful changes in other taxa investigated. There was no significant change in bacterial absolute abundance between a participant's sample collected 3 days prior to and following douching (p=0.46). CONCLUSIONS: In this pilot study, douching cessation was not associated with major changes in vaginal microbiota. Douching cessation alone may not durably shift the vaginal microbiota and additional interventions may be needed to restore optimal vaginal microbiota among those who douche.


Assuntos
Vaginose Bacteriana , Humanos , Feminino , Vaginose Bacteriana/microbiologia , Irrigação Terapêutica , Projetos Piloto , RNA Ribossômico 16S/genética , Vagina/microbiologia , Lactobacillus/genética , Bactérias/genética
3.
MMWR Recomm Rep ; 70(4): 1-187, 2021 07 23.
Artigo em Inglês | MEDLINE | ID: mdl-34292926

RESUMO

These guidelines for the treatment of persons who have or are at risk for sexually transmitted infections (STIs) were updated by CDC after consultation with professionals knowledgeable in the field of STIs who met in Atlanta, Georgia, June 11-14, 2019. The information in this report updates the 2015 guidelines. These guidelines discuss 1) updated recommendations for treatment of Neisseria gonorrhoeae, Chlamydia trachomatis, and Trichomonas vaginalis; 2) addition of metronidazole to the recommended treatment regimen for pelvic inflammatory disease; 3) alternative treatment options for bacterial vaginosis; 4) management of Mycoplasma genitalium; 5) human papillomavirus vaccine recommendations and counseling messages; 6) expanded risk factors for syphilis testing among pregnant women; 7) one-time testing for hepatitis C infection; 8) evaluation of men who have sex with men after sexual assault; and 9) two-step testing for serologic diagnosis of genital herpes simplex virus. Physicians and other health care providers can use these guidelines to assist in prevention and treatment of STIs.


Assuntos
Infecções Sexualmente Transmissíveis/terapia , Centers for Disease Control and Prevention, U.S. , Humanos , Estados Unidos
4.
Sex Transm Dis ; 48(1): 1-4, 2021 01.
Artigo em Inglês | MEDLINE | ID: mdl-32826481

RESUMO

BACKGROUND: Effectiveness of sexually transmitted disease (STD)/HIV mobile van outreach programs has been shown to assist in identifying new cases of syphilis and HIV among high-risk populations. However, specific types of mobile outreach testing and their varying abilities to assist in STD/HIV case identification have not been thoroughly explored. METHODS: We analyzed data from the Baltimore City Health Department syphilis and HIV testing intake interviews and subsequent laboratory results for clients at any of the 6 different Baltimore City Health Department mobile outreach testing setting types between 2015 and 2018. A total of 8098 syphilis and 7946 HIV testing encounters were included. Cross-tabulation and proportion estimates were used to obtain the volume of new syphilis and HIV diagnoses across the different mobile outreach testing setting types. Multivariable firth logistic regressions for rare events were used to obtain odds ratios for new syphilis diagnoses across the different mobile outreach setting categories. RESULTS: Testing at street corners yielded the highest proportion of new syphilis cases (0.83%), whereas at community centers, it produced the highest proportion of new HIV cases (0.48%). The adjusted odds for new syphilis were 2.14 among street corners compared with community centers. CONCLUSIONS: The findings indicated that street corners were the most successful at detecting new syphilis cases, whereas community centers were the most successful at detecting new HIV cases. However, because of the small number of new cases detected and low uptake per testing event between 2015 and 2018, STD/HIV mobile testing does not seem to be effective overall.


Assuntos
Infecções por HIV , Infecções Sexualmente Transmissíveis , Sífilis , Baltimore/epidemiologia , Infecções por HIV/diagnóstico , Infecções por HIV/epidemiologia , Humanos , Razão de Chances , Infecções Sexualmente Transmissíveis/diagnóstico , Infecções Sexualmente Transmissíveis/epidemiologia , Sífilis/diagnóstico , Sífilis/epidemiologia
5.
Curr Urol Rep ; 21(7): 29, 2020 Jun 03.
Artigo em Inglês | MEDLINE | ID: mdl-32488742

RESUMO

PURPOSE OF REVIEW: We conducted a review of the literature describing the most up-to-date diagnosis and treatment options of chronic bacterial prostatitis. RECENT FINDINGS: Recurrence after oral antimicrobial therapy is common, due in part to the rising rates of antimicrobial resistance and inability to completely clear the offending bacteria from the prostate following prostatitis. Recent literature has described various treatment options for chronic bacterial prostatitis refractory to conventional antimicrobial agents, including the use of alternative agents such as fosfomycin, direct antimicrobial injections into the prostate, surgical removal of infected prostatic tissue, chronic oral antibiotic suppression, and an emerging novel therapy utilizing bacteriophages to target antibiotic resistant bacteria. Management of chronic bacterial prostatitis, especially recurrence after oral antimicrobial treatment, remains challenging. This review highlights an urgent need for further evidence assessing the efficacy and safety of treatment modalities for chronic bacterial prostatitis refractory to conventional oral antimicrobials.


Assuntos
Antibacterianos/uso terapêutico , Infecções Bacterianas/terapia , Prostatite/terapia , Antibacterianos/administração & dosagem , Infecções Bacterianas/complicações , Infecções Bacterianas/diagnóstico , Bacteriófagos , Doença Crônica , Farmacorresistência Bacteriana , Humanos , Masculino , Prostatectomia , Prostatite/diagnóstico , Prostatite/microbiologia , Recidiva
6.
Prostate ; 79(14): 1622-1628, 2019 10.
Artigo em Inglês | MEDLINE | ID: mdl-31376187

RESUMO

BACKGROUND: The protist Trichomonas vaginalis causes a common, sexually transmitted infection and has been proposed to contribute to the development of chronic prostate conditions, including benign prostatic hyperplasia and prostate cancer. However, few studies have investigated the extent to which it involves the prostate in the current antimicrobial era. We addressed this question by investigating the relation between T. vaginalis antibody serostatus and serum prostate-specific antigen (PSA) concentration, a marker of prostate infection, inflammation, and/or cell damage, in young, male, US military members. METHODS: We measured T. vaginalis serum IgG antibodies and serum total PSA concentration in a random sample of 732 young, male US active duty military members. Associations between T. vaginalis serostatus and PSA were investigated by linear regression. RESULTS: Of the 732 participants, 341 (46.6%) had a low T. vaginalis seropositive score and 198 (27.0%) had a high score, with the remainder seronegative. No significant differences were observed in the distribution of PSA by T. vaginalis serostatus. However, slightly greater, nonsignificant differences were observed when men with high T. vaginalis seropositive scores were compared with seronegative men, and when higher PSA concentrations were examined (≥0.70 ng/mL). Specifically, 42.5% of men with high seropositive scores had a PSA concentration greater than or equal to 0.70 ng/mL compared with 33.2% of seronegative men (adjusted P = .125). CONCLUSIONS: Overall, our findings do not provide strong support for prostate involvement during T. vaginalis infection, although our suggestive positive findings for higher PSA concentrations do not rule out this possibility entirely. These suggestive findings may be relevant for prostate condition development because higher early- to mid-life PSA concentrations have been found to predict greater prostate cancer risk later in life.


Assuntos
Anticorpos Antiprotozoários/sangue , Antígeno Prostático Específico/sangue , Doenças Prostáticas/parasitologia , Tricomoníase/complicações , Trichomonas vaginalis/imunologia , Adulto , Humanos , Imunoglobulina G/sangue , Masculino , Militares , Estados Unidos
7.
Sex Transm Dis ; 46(2): 86-90, 2019 02.
Artigo em Inglês | MEDLINE | ID: mdl-30308531

RESUMO

BACKGROUND: An understanding of the biological reasons why 25% to 35% of women resist infection during vaginal intercourse with a man infected with Neisseria gonorrhoeae could lead to novel control measures. We sought modifiable biological bases for infection resistance by comparing women in the same core-mixing group who did or did not become infected after sexual exposure. METHODS: We enrolled 61 female contacts of index men with gonorrhea seen at Baltimore City Health Department clinics from January 2008 through May 2012. Exposure and sexual practices and histories, co-infections, physical signs on exam, patient symptom report, and menstrual history were collected. RESULTS: Thirty-eight (62.3%) of the exposed women developed cervical infections. Multiple logistic regression found that a vaginal pH of 4.5 or higher at presentation to clinic was significantly associated with gonococcal infection (adjusted odds ratio, 5.5; P = 0.037) in women who presented within one menstrual cycle, 35 days. In this group of women, there was a significant association between acquiring an N. gonorrhoeae cervical infection and sexual exposure during menstruation (adjusted odds ratio 12.5; P = 0.05). CONCLUSIONS: Modification of vaginal pH could be explored as novel strategy for reducing the risk of N. gonorrhoeae infections in women.


Assuntos
Gonorreia/transmissão , Menstruação , Comportamento Sexual , Vagina/química , Vagina/fisiologia , Adulto , Colo do Útero/microbiologia , Estudos de Coortes , Feminino , Gonorreia/sangue , Humanos , Concentração de Íons de Hidrogênio , Modelos Logísticos , Neisseria gonorrhoeae/fisiologia , Fatores de Risco , Vagina/microbiologia , Adulto Jovem
8.
Sex Transm Dis ; 46(12): 810-812, 2019 12.
Artigo em Inglês | MEDLINE | ID: mdl-31663976

RESUMO

A retrospective chart review characterized clinicians' use of maintenance intravaginal boric acid for women with recurrent vulvovaginal candidiasis or bacterial vaginosis. Average length of use was 13 months with high patient satisfaction and few adverse events. Prospective studies are needed to evaluate the efficacy of maintenance boric acid for these conditions.


Assuntos
Anti-Infecciosos Locais/administração & dosagem , Ácidos Bóricos/administração & dosagem , Candidíase Vulvovaginal/tratamento farmacológico , Vaginose Bacteriana/tratamento farmacológico , Administração Intravaginal , Adulto , Esquema de Medicação , Feminino , Humanos , Pessoa de Meia-Idade , Satisfação do Paciente , Recidiva , Estudos Retrospectivos , Resultado do Tratamento
10.
Prostate ; 78(13): 1024-1034, 2018 09.
Artigo em Inglês | MEDLINE | ID: mdl-30133756

RESUMO

BACKGROUND: To extend our previous observation of a short-term rise in prostate-specific antigen (PSA) concentration, a marker of prostate inflammation and cell damage, during and immediately following sexually transmitted and systemic infections, we examined the longer-term influence of these infections, both individually and cumulatively, on PSA over a mean of 10 years of follow-up in young active duty U.S. servicemen. METHODS: We measured PSA in serum specimens collected in 1995-7 (baseline) and 2004-6 (follow-up) from 265 men diagnosed with chlamydia (CT), 72 with gonorrhea (GC), 37 with non-chlamydial, non-gonococcal urethritis (NCNGU), 58 with infectious mononucleosis (IM), 91 with other systemic or non-genitourinary infections such as varicella; and 125-258 men with no infectious disease diagnoses in their medical record during follow-up (controls). We examined the influence of these infections on PSA change between baseline and follow-up. RESULTS: The proportion of men with any increase in PSA (>0 ng/mL) over the 10-year average follow-up was significantly higher in men with histories of sexually transmitted infections (CT, GC, and NCNGU; 67.7% vs 60.8%, P = 0.043), systemic infections (66.7% vs 54.4%, P = 0.047), or any infections (all cases combined; 68.5% vs 54.4%, P = 0.003) in their military medical record compared to controls. CONCLUSIONS: While PSA has been previously shown to rise during acute infection, these findings demonstrate that PSA remains elevated over a longer period. Additionally, the overall infection burden, rather than solely genitourinary-specific infection burden, contributed to these long-term changes, possibly implying a role for the cumulative burden of infections in prostate cancer risk.


Assuntos
Infecções por Chlamydia/sangue , Gonorreia/sangue , Antígeno Prostático Específico/sangue , Uretrite/sangue , Idoso , Seguimentos , Humanos , Masculino , Adulto Jovem
11.
Sex Transm Dis ; 45(10): 677-683, 2018 10.
Artigo em Inglês | MEDLINE | ID: mdl-29624558

RESUMO

BACKGROUND: There are no fully oral recommended treatment regimens for gonorrhea. Inadequately treated pharyngeal gonococcal infections are a likely reservoir for transmission and development of antimicrobial resistance. We sought to determine an oral cefixime dosing regimen that would theoretically treat pharyngeal infections by gonococci with minimum inhibitory concentrations 0.5 µg/mL. METHODS: We conducted an open-label, nonrandomized, phase I pharmacokinetic and safety study of cefixime in 25 healthy male and female volunteers divided into 4 dosing cohorts (cohort A, 400 mg; cohort B, 800 mg; cohort C, 1200 mg; and cohort D, 800 mg every 8 hours × 3 doses [total dose 2400 mg]) with a target serum concentration of at least 2.0 µg/mL for more than 20 hours. Cefixime concentrations from serum and pharyngeal fluid were determined with use of a validated liquid chromatography-tandem mass spectrometry assay. Safety measures included laboratories, physical examinations, and symptom diaries. RESULTS: None of the single-dose regimens attained the target concentration; however, 50% of subjects in cohort D attained the target concentration. Variation in absorption and protein binding contributed to differences in concentrations. Pharyngeal fluid concentrations were negligible. The single-dose regimens were well tolerated; the multidose regimen resulted in mild to moderate gastrointestinal symptoms in 43% of subjects. CONCLUSIONS: None of the dosing regimens achieved the target concentration. However, the proposed theoretical target was extrapolated from penicillin data; there are no empirically derived pharmacokinetic/pharmacodynamic criteria for pharyngeal gonorrhea. Under alternative cephalosporin-specific therapeutic goals, the multidose regimen may be effective, although the absence of cefixime in pharyngeal fluid is concerning. A clinical trial evaluating efficacy and defining pharmacokinetic/pharmacodynamic outcomes may be warranted.


Assuntos
Cefixima/farmacocinética , Cefalosporinas/farmacologia , Farmacorresistência Bacteriana , Gonorreia/tratamento farmacológico , Neisseria gonorrhoeae/efeitos dos fármacos , Faringe/microbiologia , Administração Oral , Adolescente , Adulto , Antibacterianos/administração & dosagem , Antibacterianos/farmacocinética , Cefixima/administração & dosagem , Estudos de Coortes , Feminino , Humanos , Masculino , Testes de Sensibilidade Microbiana , Pessoa de Meia-Idade , Adulto Jovem
12.
BMC Infect Dis ; 18(1): 504, 2018 Oct 04.
Artigo em Inglês | MEDLINE | ID: mdl-30286741

RESUMO

BACKGROUND: Healthcare exposure may increase drug-resistant Enterobacteriaceae colonization risk. Nascent antimicrobial stewardship efforts in low- and middle-income countries require setting-specific data. We aimed to evaluate risk factors for inpatient drug resistant Enterobacteriaceae colonization in a resource-limited setting in India. METHODS: Patients age ≥ 6 months admitted with ≥24 h of fever to a tertiary hospital in Pune, India were enrolled in a prospective cohort. Perirectal swabs, collected on admission and hospitalization day 3 or 4, were cultured in vancomycin- and ceftriaxone-impregnated media to assess for ceftriaxone-resistant Enterobacteriaceae (CTRE) and carbapenem-resistant Enterobacteriaceae (CPRE). Multivariable analyses assessed risk factors for drug-resistant Enterobacteriaceae colonization among participants without admission colonization. RESULTS: Admission perirectal swabs were collected on 897 participants; 87 (10%) had CTRE and 14 (1.6%) had CPRE colonization. Admission CTRE colonization was associated with recent healthcare contact (p < 0.01). Follow-up samples were collected from 620 participants, 67 (11%) had CTRE and 21 (3.4%) had CPRE colonization. Among 561 participants without enrollment CTRE colonization, 49 (9%) participants were colonized with CTRE at follow-up. Detection of CTRE colonization among participants not colonized with CTRE at admission was independently associated with empiric third generation cephalosporin treatment (adjusted odds ratio [OR] 2.9, 95% CI 1.5-5.8). Follow-up transition to CPRE colonization detection was associated with ICU admission (OR 3.0, 95% CI 1.0-8.5). CONCLUSIONS: Patients who receive empiric third generation cephalosporins and are admitted to the ICU rapidly develop detectable CTRE and CPRE colonization. Improved antimicrobial stewardship and infection control measures are urgently needed upon hospital admission.


Assuntos
Antibacterianos/uso terapêutico , Infecção Hospitalar/complicações , Infecções por Enterobacteriaceae/tratamento farmacológico , Enterobacteriaceae/isolamento & purificação , Adolescente , Adulto , Antibacterianos/farmacologia , Ceftriaxona/farmacologia , Ceftriaxona/uso terapêutico , Cefalosporinas/farmacologia , Cefalosporinas/uso terapêutico , Criança , Pré-Escolar , Farmacorresistência Bacteriana , Enterobacteriaceae/efeitos dos fármacos , Infecções por Enterobacteriaceae/complicações , Infecções por Enterobacteriaceae/microbiologia , Feminino , Humanos , Índia , Pacientes Internados , Unidades de Terapia Intensiva , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Adulto Jovem
14.
J Infect Dis ; 215(8): 1312-1320, 2017 04 15.
Artigo em Inglês | MEDLINE | ID: mdl-28329303

RESUMO

Background: In India, antimicrobial consumption is high, yet systematically collected data on the epidemiology, risk factors, and outcomes of antimicrobial-resistant infections are limited. Methods: A prospective study of adults and children hospitalized for acute febrile illness was conducted between August 2013 and December 2015. In-hospital outcomes were recorded, and logistic regression was performed to identify independent predictors of community-onset antimicrobial-resistant infections. Results: Among 1524 patients hospitalized with acute febrile illness, 133 isolates were found among 115 patients with community-onset infections; 66 isolates (50.0%) were multidrug resistant and, of 33 isolates tested for carbapenem susceptibility, 12 (36%) were resistant. Multidrug-resistant infections were associated with recent antecedent antibiotic use (adjusted odds ratio [aOR], 4.17; 95% confidence interval [CI], 1.19-19.7) and were independently associated with mortality (aOR, 6.06; 95% CI, 1.2-55.7). Conclusion: We found a high burden of community-onset antimicrobial-resistant infection among patients with acute febrile illness in India. Multidrug-resistant infection was associated with prior antibiotic use and an increased risk of mortality.


Assuntos
Antibacterianos/uso terapêutico , Bactérias/efeitos dos fármacos , Infecções Bacterianas/tratamento farmacológico , Infecção Hospitalar/tratamento farmacológico , Farmacorresistência Bacteriana Múltipla , Mortalidade Hospitalar , Doença Aguda , Adolescente , Adulto , Antibacterianos/metabolismo , Bactérias/isolamento & purificação , Infecções Bacterianas/mortalidade , Criança , Pré-Escolar , Infecção Hospitalar/mortalidade , Feminino , Humanos , Índia , Tempo de Internação , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Fatores de Risco , Centros de Atenção Terciária , Adulto Jovem
15.
Prostate ; 77(13): 1325-1334, 2017 May.
Artigo em Inglês | MEDLINE | ID: mdl-28703328

RESUMO

BACKGROUND: To investigate mechanisms underlying our previous observation of a large rise in serum prostate-specific antigen, a marker of prostate pathology, during both sexually transmitted and systemic infections, we measured serum high-sensitivity C-reactive protein (hsCRP), a marker of systemic inflammation, in our previous case-control study of young, male US military members and compared our findings to those for PSA. METHODS: We measured hsCRP before and during infection for 299 chlamydia, 112 gonorrhea, and 59 non-chlamydial, non-gonococcal urethritis (NCNGU) cases; before and after infection for 55 infectious mononucleosis (IM) and 90 other systemic/non-genitourinary cases; and for 220-256 controls. RESULTS: Only gonorrhea cases were significantly more likely to have a large hsCRP rise (≥1.40 mg/L or ≥239%) during infection than controls (P < 0.01). However, gonorrhea, IM, and other systemic/non-genitourinary cases were more likely to have a rise of any magnitude up to one year post-diagnosis than controls (p = 0.038-0.077). CONCLUSIONS: These findings, which differ from those for PSA, suggest distinct mechanisms of elevation for hsCRP and PSA, and support both direct (eg, prostate infection) and indirect (eg, systemic inflammation-mediated prostate cell damage) mechanisms for PSA elevation. Future studies should explore our PSA findings further for their relevance to both prostate cancer screening and risk.


Assuntos
Proteína C-Reativa/análise , Infecções por Chlamydia/sangue , Gonorreia/sangue , Mononucleose Infecciosa/sangue , Antígeno Prostático Específico/análise , Prostatite , Uretrite/sangue , Adulto , Humanos , Masculino , Pessoa de Meia-Idade , Prostatite/sangue , Prostatite/diagnóstico , Prostatite/etiologia , Estatística como Assunto , Uretrite/diagnóstico , Uretrite/etiologia
16.
Artigo em Inglês | MEDLINE | ID: mdl-28584140

RESUMO

Clostridium difficile causes antibiotic-associated diarrhea and is a major public health concern. Current therapies disrupt the protective intestinal flora, do not reliably prevent recurrent infections, and will be decreasingly effective should less susceptible strains emerge. CRS3123 is an oral agent that inhibits bacterial methionyl-tRNA synthetase and has potent activity against C. difficile and aerobic Gram-positive bacteria but little activity against Gram-negative bacteria, including anaerobes. This first-in-human, double-blind, placebo-controlled, dose escalation study evaluated the safety and systemic exposure of CRS3123 after a single oral dose in healthy adults. Five cohorts of eight subjects each received CRS3123 or placebo in a 3:1 ratio. Doses for the respective active arms were 100 mg, 200 mg, 400 mg, 800 mg, and 1,200 mg. Blood and urine were collected for pharmacokinetic analysis. CRS3123 concentrations were measured with validated LC-MS/MS techniques. There were no serious adverse events or immediate allergic reactions during administration of CRS3123. In the CRS3123-treated groups, the most frequent adverse events were decreased hemoglobin, headache, and abnormal urine analysis; all adverse events in the active-treatment groups were mild to moderate, and their frequency did not increase with dose. Although CRS3123 systemic exposure increased at higher doses, the increase was less than dose proportional. The absorbed drug was glucuronidated at reactive amino groups on the molecule, which precluded accurate pharmacokinetic analysis of the parent drug. Overall, CRS3123 was well tolerated over this wide range of doses. This safety profile supports further investigation of CRS3123 as a treatment for C. difficile infections. (This study has been registered at ClinicalTrials.gov under identifier NCT01551004.).


Assuntos
Antibacterianos/farmacocinética , Antibacterianos/uso terapêutico , Benzopiranos/farmacologia , Clostridioides difficile/efeitos dos fármacos , Infecções por Clostridium/tratamento farmacológico , Metionina tRNA Ligase/antagonistas & inibidores , Tiofenos/farmacologia , Adulto , Benzopiranos/uso terapêutico , Infecção Hospitalar/tratamento farmacológico , Infecção Hospitalar/prevenção & controle , Relação Dose-Resposta a Droga , Método Duplo-Cego , Feminino , Humanos , Masculino , Placebos/uso terapêutico , Tiofenos/uso terapêutico , Adulto Jovem
17.
Sex Transm Infect ; 93(2): 145-147, 2017 03.
Artigo em Inglês | MEDLINE | ID: mdl-27147615

RESUMO

OBJECTIVE: Researchers often assess condom use only among participants who report recent sexual behaviour, excluding participants who report no recent vaginal sex or who did not answer questions about their sexual behaviour, but self-reported sexual behaviour may be inaccurate. This study uses a semen Y-chromosome biomarker to assess semen exposure among participants who reported sexual abstinence or did not report their sexual behaviour. METHODS: This prospective cohort study uses data from 715 sexually active African-American female adolescents in Atlanta, surveyed at baseline, 6 months and 12 months. Participants completed a 40 min interview and were tested for semen Y-chromosome with PCR from a self-administered vaginal swab. We predicted Y-chromosome test results from self-reported sexual behaviour using within-subject panel regression. RESULTS: Among the participants who reported abstinence from vaginal sex in the past 14 days, 9.4% tested positive for semen Y-chromosome. Among item non-respondents, 6.3% tested positive for semen Y-chromosome. Women who reported abstinence and engaged in item non-response regarding their sexual behaviour had respectively 62% and 78% lower odds of testing positive for Y-chromosome (OR 0.38 (0.21 to 0.67), OR 0.22 (0.12 to 0.40)), controlling for smoking, survey wave and non-coital sexual behaviours reported during abstinence. CONCLUSIONS: Adolescents who report sexual abstinence under-report semen exposure. Research should validate self-reported sexual behaviour with biomarkers. Adolescents who engage in item non-response regarding vaginal sex test positive for semen Y-chromosome at similar rates, which supports the practice of grouping non-respondents with adolescents reporting abstinence in statistical analysis. TRIAL REGISTRATION NUMBER: NCT00633906.


Assuntos
Comportamento do Adolescente , Cromossomos Humanos Y/genética , Autorrelato , Sêmen/química , Abstinência Sexual/estatística & dados numéricos , Comportamento Sexual/estatística & dados numéricos , Vagina/química , Adolescente , Negro ou Afro-Americano/estatística & dados numéricos , Biomarcadores/análise , Feminino , Humanos , Masculino , Reação em Cadeia da Polimerase , Estudos Prospectivos , Estados Unidos
18.
Clin Infect Dis ; 63(4): 532-8, 2016 08 15.
Artigo em Inglês | MEDLINE | ID: mdl-27098167

RESUMO

Antimicrobial stewardship programs (ASPs) are a key national initiative to promote appropriate use of antibiotics and to reduce the burden of resistance. The dilemma of managing the outlier physician is especially complex. We outline strategies to establish a successful ASP that reviews appropriate efforts to achieve the goal of modifying outlier physicians' behavior. One must try to differentiate deviation from ASP norms from all other issues of outliers. Essential elements include identifying and understanding the local problems, planning, and achieving hospital administration and medical staff support. A successful ASP includes effective communication and acceptance of evidence-based recommendations, so that patient clinical outcomes will be optimized.


Assuntos
Antibacterianos/uso terapêutico , Gestão de Antimicrobianos , Padrões de Prática Médica , Comunicação , Medicina Baseada em Evidências , Fidelidade a Diretrizes , Humanos , Médicos , Guias de Prática Clínica como Assunto
19.
Int J Cancer ; 138(9): 2221-30, 2016 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-26678984

RESUMO

Although Epstein-Barr virus has been detected in prostate tissue, no associations have been observed with prostate cancer in the few studies conducted to date. One possible reason for these null findings may be use of cumulative exposure measures that do not inform the timing of infection, i.e., childhood versus adolescence/early adulthood when infection is more likely to manifest as infectious mononucleosis (IM). We sought to determine the influence of young adult-onset IM on the prostate by measuring prostate-specific antigen (PSA) as a marker of prostate inflammation/damage among U.S. military members. We defined IM cases as men diagnosed with IM from 1998 to 2003 (n = 55) and controls as men without an IM diagnosis (n = 255). We selected two archived serum specimens for each participant, the first collected after diagnosis for cases and one randomly selected from 1998 to 2003 for controls (index), as well as the preceding specimen (preindex). PSA was measured in each specimen. To explore the specificity of our findings for prostate as opposed to systemic inflammation, we performed a post hoc comparison of other infectious disease cases without genitourinary involvement (n = 90) and controls (n = 220). We found that IM cases were more likely to have a large PSA rise than controls (≥ 20 ng/mL: 19.7% versus 8.8%, p = 0.027; ≥ 40% rise: 25.7% versus 9.4%, p = 0.0021), as were other infectious disease cases (25.7% versus 14.0%, p = 0.020; 27.7% versus 18.0%, p = 0.092). These findings suggest that, in addition to rising because of prostate infection, PSA may also rise because of systemic inflammation, which could have implications for PSA interpretation in older men.


Assuntos
Infecções/microbiologia , Mononucleose Infecciosa/sangue , Antígeno Prostático Específico/sangue , Próstata/virologia , Adolescente , Adulto , Biomarcadores/sangue , Humanos , Infecções/sangue , Infecções/complicações , Mononucleose Infecciosa/patologia , Inflamação/sangue , Inflamação/virologia , Masculino , Adulto Jovem
20.
Wound Repair Regen ; 24(5): 767-774, 2016 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-27487792

RESUMO

The present status of clinical leg ulcer healing research was reviewed by 25 experts over 2 days on September 28 and 29, 2015. Multiple clinical effectiveness reviews were presented suggesting that published clinical wound healing research often does not meet present (2015) evidence based standards. Specific areas requiring remediation were highlighted and approaches to overcoming existing challenges were proposed. Participants using anonymous voting technology developed an action plan to resolve perceived deficiencies. Statements were accepted if 75% of participants agreed. Older patients with a high frequency of comorbid conditions posed particular difficulties in designing clinical research protocols and better diagnostic categorization is necessary A standardized model template for collecting information about diagnosis and evaluation of the effect of interventions on healing of all types of leg ulcers was considered a high priority. Such a model template could be modified depending on the specific etiology of the leg ulcers. Generally agreed on quantifiable standards to establish degree of morbidity was considered a high priority. There was universal agreement that sources of funding and conflicts of interest needed to be disclosed in presentations and all publications. All clinical research studies should be registered with appropriate authorities. There was substantial enthusiasm for a clinical research network with quality standards for membership and an advisory research core available to investigators. Such a network should be funded and actively managed to insure long-term viability. The governance of such an entity needs to be established by the wound care community. The present trend to integrate patients into the clinical research process was endorsed and there was enthusiasm to develop patient advocacy for wound healing research.

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