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In April 2008, the Infectious Diseases Society of America (IDSA) entered into an agreement with Connecticut Attorney General Richard Blumenthal to voluntarily undertake a special review of its 2006 Lyme disease guidelines. This agreement ended the Attorney General's investigation into the process by which the guidelines were developed. The IDSA agreed to convene an independent panel to conduct a one-time review of the guidelines. The Review Panel members, vetted by an ombudsman for potential conflicts of interest, reviewed the entirety of the 2006 guidelines, with particular attention to the recommendations devoted to post—Lyme disease syndromes. After multiple meetings, a public hearing, and extensive review of research and other information, the Review Panel concluded that the recommendations contained in the 2006 guidelines were medically and scientifically justified on the basis of all of the available evidence and that no changes to the guidelines were necessary.

Chloroquine was used for malaria treatment until resistant Plasmodium falciparum was identified. Because 4-aminoquinolines with modified side chains, such as AQ-13, are active against resistant parasites, we compared AQ-13 against artemether plus lumefantrine for treatment of uncomplicated P falciparum malaria. We did a randomised, non-inferiority trial. We screened men (≥18 years) with uncomplicated malaria in Missira (northeast Mali) and Bamako (capital of Mali) for eligibility (≥2000 asexual P falciparum parasites per μL of blood). Eligible participants were randomly assigned to either the artemether plus lumefantrine group or AQ-13 group by permuting blocks of four with a random number generator. Physicians and others caring for the participants were masked, except for participants who received treatment and the research pharmacist who implemented the randomisation and provided treatment. Participants received either 80 mg of oral artemether and 480 mg of oral lumefantrine twice daily for 3 days or 638·50 mg of AQ-13 base (two oral capsules) on days 1 and 2, and 319·25 mg base (one oral capsule) on day 3. Participants were monitored for parasite clearance (50 μL blood samples twice daily at 12 h intervals until two consecutive negative samples were obtained) and interviewed for adverse events (once every day) as inpatients during week 1. During the 5-week outpatient follow-up, participants were examined for adverse events and recurrent infection twice per week. All participants were included in the intention-to-treat analysis and per-protocol analysis, except for those who dropped out in the per-protocol analysis. The composite primary outcome was clearance of asexual parasites and fever by day 7, and absence of recrudescent infection by parasites with the same molecular markers from days 8 to 42 (defined as cure). Non-inferiority was considered established if the proportion of patients who were cured was higher for artemether plus lumefantrine than for AQ-13 and the upper limit of the 95% CI was less than the non-inferiority margin of 15%. This trial is registered at ClinicalTrials.gov, number NCT01614964. Between Aug 6 and Nov 18, 2013, and between Sept 18 and Nov 20, 2015, 66 Malian men with uncomplicated malaria were enrolled. 33 participants were randomly assigned to each group. There were no serious adverse events (grade 2–4) and asexual parasites were cleared by day 7 in both groups. 453 less-severe adverse events (≤grade 1) were reported: 214 in the combination group and 239 in the AQ-13 group. Two participants withdrew from the AQ-13 group after parasite clearance and three were lost to follow-up. In the artemether plus lumefantrine group, two participants had late treatment failures (same markers as original isolates). On the basis of the per-protocol analysis, the AQ-13 and artemether plus lumefantrine groups had similar proportions cured (28 [100%] of 28 vs 31 [93·9%] of 33; p=0·50) and AQ-13 was not inferior to artemether plus lumefantrine (difference −6·1%, 95% CI −14·7 to 2·4). Proportions cured were also similar between the groups in the intention-to-treat analysis (28 of 33, 84·8% for AQ-13 vs 31 of 33, 93·9% for artemether and lumefantrine; p=0·43) but the upper bound of the 95% CI exceeded the 15% non-inferiority margin (difference 9·1%, 95% CI −5·6 to 23·8). The per-protocol analysis suggested non-inferiority of AQ-13 to artemether plus lumefantrine. By contrast, the intention-to-treat analysis, which included two participants who withdrew and three who were lost to follow-up from the AQ-13 group, did not meet the criterion for non-inferiority of AQ-13, although there were no AQ-13 treatment failures. Studies with more participants (and non-immune participants) are needed to decide whether widespread use of modified 4-aminoquinolones should be recommended. US Food and Drug Administration Orphan Product Development, National Institutes of Health, US Centers for Disease Control and Prevention, Burroughs-Wellcome Fund, US State Department, and WHO.

Abstract Four patients with adult-onset, disseminated mycobacterial infection had 5′ UTR mutations in IKBKG without clear physical stigmata of NEMO deficiency. These mutations caused decreased levels of NEMO protein and Toll-like receptor driven cytokine production. Three patients died from disseminated disease. These mutations may be missed by whole exome sequencing.

Slow extended daily dialysis (SLEDD) is the newest form of dialysis that is being used increasingly to replace continuous venovenous hemodialysis (CVVHD) for critically ill patients; it is less expensive to administer and has similar safety for patients who are prone to hemodynamic instability. Unfortunately, there are limited data regarding the appropriate dosing of antimicrobial agents for patients undergoing SLEDD. Furthermore, many nonnephrologists are not familiar with the differences between SLEDD, other continuous renal replacement therapies—for example, CVVHD—and routine hemodialysis. Thus, there is potential for inaccurate and, at worst, inadequate dosing of critical antimicrobial agents for this patient population. We review the available pharmacokinetic data on SLEDD and give preliminary recommendations for how to approach dosing in this situation.

Abstract On November 7, 2018, the National Rifle Association (NRA) issued a tweet advising “self-important anti-gun doctors to stay in their lane.” The tweet has galvanized physicians to share their experiences with gun violence through the grassroots #ThisISOurLane campaign. Infectious diseases physicians are regularly called upon to manage complications such as infected wounds and osteomyelitis in gunshot victims. Yet, Infectious Diseases as a specialty has been poorly represented in the national dialogue on gun violence. Over 80 medical societies have endorsed statements on gun violence, including the American College of Physicians (ACP) and the American College of Cardiology; the Infectious Diseases Society of America has not. We argue that gun violence does affect the Infectious Diseases community and issue a call to action to engage in the conversation, advocate for our patients, and join with other medical societies in affirming a commitment to gun violence prevention.

Background. Invasive candidiasis is the third most common bloodstream infection in the intensive care unit (ICU) and is associated with morbidity and mortality. Prophylaxis and preemptive therapy are attractive strategies for this setting. Methods. We conducted a multicenter, randomized, double-blind, placebo-controlled trial of caspofungin as antifungal prophylaxis in 222 adults who were in the ICU for at least 3 days, were ventilated, received antibiotics, had a central line, and had 1 additional risk factor (parenteral nutrition, dialysis, surgery, pancreatitis, systemic steroids, or other immunosuppressants). Subjects' (1,3)-β-D-glucan levels were monitored twice weekly. The primary endpoint was the incidence of proven or probable invasive candidiasis by EORTC/MSG criteria in patients who did not have disease at baseline. Patients who had invasive candidiasis were allowed to break the blind and receive preemptive therapy with caspofungin. The preemptive approach analysis included patients all patients who received study drug, including those positive at baseline. Results. The incidence of proven/probable invasive candidiasis in the placebo and caspofungin arms was 16.7% (14/84) and 9.8% (10/102), respectively, for prophylaxis (P = .14), and 30.4% (31/102) and 18.8% (22/117), respectively, for the preemptive approach (P = .04); however, this analysis included patients with baseline disease. There were no significant differences in the secondary endpoints of mortality, antifungal use, or length of stay. There were no safety differences. Conclusions. Caspofungin was safe and tended to reduce the incidence of invasive candidiasis when used for prophylaxis, but the difference was not statistically significant. A preemptive therapy approach deserves further study. Clinical Trials Registration. NCT00520234.