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  1. Article ; Online: Metabolomic Signatures Differentiate Immune Responses in Avian Influenza Vaccine Recipients.

    Howard, Leigh M / Jensen, Travis L / Goll, Johannes B / Gelber, Casey E / Bradley, Matthew D / Sherrod, Stacy D / Hoek, Kristen L / Yoder, Sandra / Jimenez-Truque, Natalia / Edwards, Kathryn / Creech, C Buddy

    The Journal of infectious diseases

    2024  

    Abstract: Background: Avian influenza viruses pose significant risk to human health. Vaccines targeting the hemagglutinin of these viruses are poorly immunogenic without the use of adjuvants.: Methods: Twenty healthy men and women (18-49 years of age) were ... ...

    Abstract Background: Avian influenza viruses pose significant risk to human health. Vaccines targeting the hemagglutinin of these viruses are poorly immunogenic without the use of adjuvants.
    Methods: Twenty healthy men and women (18-49 years of age) were randomized to receive two doses of inactivated influenza A/H5N1 vaccine alone (IIV) or with AS03 adjuvant (IIV-AS03) one month apart. Urine and serum samples were collected on day 0 and on days 1, 3, and 7 following first vaccination and subjected to metabolomics analyses to identify metabolites, metabolic pathways, and metabolite clusters associated with immunization.
    Results: Seventy-three differentially abundant (DA) serum and 88 urine metabolites were identified for any post-vaccination day comparison. Pathway analysis revealed enrichment of tryptophan, tyrosine and nicotinate metabolism in urine and serum among IIV-AS03 recipients. Increased urine abundance of 4-vinylphenol sulfate on Day 1 was associated with serologic response based on hemagglutination inhibition responses. In addition, 9 DA urine metabolites were identified in participants with malaise compared to those without.
    Conclusions: Our findings suggest that tryptophan, tyrosine, and nicotinate metabolism are upregulated among IIV-AS03 recipients compared with IIV alone. Metabolites within these pathways may serve as measures of immunogenicity and may provide mechanistic insights for adjuvanted vaccines.
    Language English
    Publishing date 2024-01-05
    Publishing country United States
    Document type Journal Article
    ZDB-ID 3019-3
    ISSN 1537-6613 ; 0022-1899
    ISSN (online) 1537-6613
    ISSN 0022-1899
    DOI 10.1093/infdis/jiad611
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Risk Factors for Adverse Events in Children Receiving Outpatient Parenteral Antibiotic Therapy.

    Townsley, Elizabeth / Gillon, Jessica / Jimenez-Truque, Natalia / Katz, Sophie / Garguilo, Kathryn / Banerjee, Ritu

    Hospital pediatrics

    2021  Volume 11, Issue 2, Page(s) 153–159

    Abstract: Background: Outpatient parenteral antibiotic therapy (OPAT) can decrease length of hospital stay but is associated with adverse events (AEs). The purpose of this study was to quantify and identify risk factors for OPAT-associated AEs in children.: ... ...

    Abstract Background: Outpatient parenteral antibiotic therapy (OPAT) can decrease length of hospital stay but is associated with adverse events (AEs). The purpose of this study was to quantify and identify risk factors for OPAT-associated AEs in children.
    Methods: Retrospective single-center study of children ≤21 years old discharged on OPAT from January 2016 to April 2019 with infectious diseases follow-up. Demographic and clinical factors and medication and central venous catheter (CVC)-associated AEs were assessed through chart review. Univariable and multivariable analyses were performed.
    Results: Among 181 OPAT courses, an AE occurred in 70 (39%). Medication AEs occurred in 30 of 181 courses (16.6%). Children residing in an urban area had a 4.5 times higher risk of having a medication-related AE compared with those in a rural area (odds ratio: 4.51; 95% confidence interval: 1.60-12.77;
    Conclusions: In this cohort, 39% of children experienced an OPAT-associated AE, and CVC AEs were more common than medication AEs. Longer duration of intravenous therapy and urban residence were independently associated with OPAT-associated AEs, highlighting the importance of converting to oral antibiotic therapy as soon as feasible to reduce OPAT-associated AEs.
    MeSH term(s) Adolescent ; Anti-Bacterial Agents/adverse effects ; Central Venous Catheters ; Child ; Child, Preschool ; Humans ; Infant ; Outpatients ; Retrospective Studies ; Risk Factors ; Young Adult
    Chemical Substances Anti-Bacterial Agents
    Language English
    Publishing date 2021-01-14
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 2154-1671
    ISSN (online) 2154-1671
    DOI 10.1542/hpeds.2020-001388
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  3. Article: Incidence of Acute Kidney Injury Among Infants in the Neonatal Intensive Care Unit Receiving Vancomycin With Either Piperacillin/Tazobactam or Cefepime.

    Bartlett, Jenna W / Gillon, Jessica / Hale, Jennifer / Jimenez-Truque, Natalia / Banerjee, Ritu

    The journal of pediatric pharmacology and therapeutics : JPPT : the official journal of PPAG

    2020  Volume 25, Issue 6, Page(s) 521–527

    Abstract: Objectives: To determine whether combination therapy with vancomycin and TZP is associated with a higher incidence of acute kidney injury (AKI) compared with vancomycin with cefepime in infants admitted to the NICU.: Methods: This retrospective ... ...

    Abstract Objectives: To determine whether combination therapy with vancomycin and TZP is associated with a higher incidence of acute kidney injury (AKI) compared with vancomycin with cefepime in infants admitted to the NICU.
    Methods: This retrospective cohort study included infants in the NICU who received vancomycin/cefepime or vancomycin/TZP for at least 48 hours. The primary outcome was incidence of AKI, which was defined by the neonatal modified Kidney Disease Improving Global Outcomes AKI criteria.
    Results: Forty-two infants who received vancomycin with cefepime and 58 infants who received vancomycin with TZP were included in the analysis. The median gestational age at birth, birth weight, and dosing weight were lower in the TZP group, but other baseline characteristics were comparable, including corrected gestational age. Two patients (3%) receiving vancomycin/TZP versus 2 patients (5%) receiving vancomycin/cefepime met criteria for AKI during their antibiotic course (p = 1.00). There were no clinically significant changes in serum creatinine or urine output from baseline to the end of combination antibiotic treatment in either group.
    Conclusions: Among infants admitted to our NICU, AKI incidence associated with vancomycin and either TZP or cefepime therapy was low and did not differ by antibiotic combination.
    Language English
    Publishing date 2020-08-20
    Publishing country United States
    Document type Journal Article
    ZDB-ID 3028543-4
    ISSN 1551-6776
    ISSN 1551-6776
    DOI 10.5863/1551-6776-25.6.521
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Evaluation of Empirical Dosing Regimens for Meropenem in Intensive Care Unit Patients Using Population Pharmacokinetic Modeling and Target Attainment Analysis.

    An, Guohua / Creech, C Buddy / Wu, Nan / Nation, Roger L / Gu, Kenan / Nalbant, Demet / Jimenez-Truque, Natalia / Fissell, William / Rolsma, Stephanie / Patel, Pratish C / Watanabe, Amy / Fishbane, Nicholas / Kirkpatrick, Carl M J / Landersdorfer, Cornelia B / Winokur, Patricia

    Antimicrobial agents and chemotherapy

    2023  Volume 67, Issue 1, Page(s) e0131222

    Abstract: In the present study, population pharmacokinetic (PK) analysis was performed based on meropenem data from a prospective study conducted in 114 critically ill patients with a wide range of renal functions and various disease conditions. The final model ... ...

    Abstract In the present study, population pharmacokinetic (PK) analysis was performed based on meropenem data from a prospective study conducted in 114 critically ill patients with a wide range of renal functions and various disease conditions. The final model was a one-compartment model with linear elimination, with creatinine clearance and continuous renal replacement therapy affecting clearance, and total bodyweight impacting the volume of distribution. Our model is a valuable addition to the existing meropenem population PK models, and it could be particularly useful during implementation of a therapeutic drug monitoring program combined with Bayesian forecasting. Based on the final model developed, comprehensive Monte Carlo simulations were performed to evaluate the probability of target attainment (PTA) of 16 different dosing regimens. Simulation results showed that 2 g administered every 8 h with 3-h prolonged infusion (PI) and 4 g/day by continuous infusion (CI) appear to be two empirical dosing regimens that are superior to many other regimens when both target attainment and potential toxicity are considered and renal function information is not available. Following a daily CI dose of 6 g or higher, more than 30% of the population with a creatinine clearance of <60 mL/min is predicted to have neurotoxicity. With the availability of institution- and/or unit-specific meropenem susceptibility patterns, as well as an individual patient's renal function, our PTA results may represent useful references for physicians to make dosing decisions.
    MeSH term(s) Humans ; Meropenem/pharmacokinetics ; Anti-Bacterial Agents/pharmacokinetics ; Prospective Studies ; Creatinine ; Bayes Theorem ; Intensive Care Units ; Critical Illness/therapy ; Monte Carlo Method ; Microbial Sensitivity Tests
    Chemical Substances Meropenem (FV9J3JU8B1) ; Anti-Bacterial Agents ; Creatinine (AYI8EX34EU)
    Language English
    Publishing date 2023-01-09
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural
    ZDB-ID 217602-6
    ISSN 1098-6596 ; 0066-4804
    ISSN (online) 1098-6596
    ISSN 0066-4804
    DOI 10.1128/aac.01312-22
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Development of a Kinetic ELISA and Reactive B Cell Frequency Assay to Detect Respiratory Syncytial Virus Pre-Fusion F Protein-Specific Immune Responses in Infants.

    Rolsma, Stephanie L / Yoder, Sandra M / Nargi, Rachel S / Brady, Eric / Jimenez-Truque, Natalia / Thomsen, Isaac / Kontos, Marissa / Carnahan, Robert H / Sutton, Rachel E / Armstrong, Erica / Dally, Len / Crowe, James E / Edwards, Kathryn M / Creech, C Buddy

    Journal of the Pediatric Infectious Diseases Society

    2023  Volume 12, Issue 5, Page(s) 298–305

    Abstract: Background: Respiratory syncytial virus (RSV) is a major cause of respiratory disease in infants, making vaccination an attractive preventive strategy. Due to earlier reports of vaccine-enhanced disease in RSV-naive children, assessing prior RSV ... ...

    Abstract Background: Respiratory syncytial virus (RSV) is a major cause of respiratory disease in infants, making vaccination an attractive preventive strategy. Due to earlier reports of vaccine-enhanced disease in RSV-naive children, assessing prior RSV infection is critical for determining eligibility for future infant vaccine trials. However, this is complicated by the presence of maternally transferred maternal antibodies. We sought to develop assays that measure immune responses to RSV pre-fusion (F) protein that discriminates between maternal and infant responses.
    Methods: We measured RSV-specific responses in two groups of children <3 years of age; those with laboratory-confirmed RSV (RSV-infected) and those enrolled prior to their first RSV season (RSV-uninfected). Serial blood samples were obtained and recent infections with RSV and other respiratory viruses were assessed during follow-up. An RSV pre-F-specific kinetic enzyme-linked immunosorbent assay (kELISA) and an F-specific reactive B cell frequency (RBF) assay were developed.
    Results: One hundred two young children were enrolled between July 2015 and April 2017; 74 were in the RSV-uninfected group and 28 were in the RSV-infected group. Participants were asked to provide sequential blood samples over time, but only 53 participants in the RSV-uninfected group and 22 participants in the RSV-infected groups provided multiple samples. In the RSV-infected group, most had positive kELISA and RBF during the study. In the RSV-uninfected group, two patterns emerged: declining kELISA values without reactive B cells, due to maternal transplacental antibody transfer, and persistently positive kELISA with reactive B cells, due to asymptomatic undiagnosed RSV infection.
    Conclusions: A kELISA targeting RSV pre-F epitopes and an RBF assay targeting RSV F-specific B cells generally allow discrimination between maternally and infant-derived antibodies.
    MeSH term(s) Child ; Infant ; Humans ; Child, Preschool ; Antibodies, Neutralizing ; Antibodies, Viral ; Viral Fusion Proteins ; Respiratory Syncytial Virus, Human ; Respiratory Syncytial Virus Infections ; Immunity ; Enzyme-Linked Immunosorbent Assay
    Chemical Substances Antibodies, Neutralizing ; Antibodies, Viral ; Viral Fusion Proteins
    Language English
    Publishing date 2023-04-07
    Publishing country England
    Document type Journal Article
    ZDB-ID 2668791-4
    ISSN 2048-7207 ; 2048-7193
    ISSN (online) 2048-7207
    ISSN 2048-7193
    DOI 10.1093/jpids/piad019
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  6. Article ; Online: Population pharmacokinetics and target attainment analyses to identify a rational empirical dosing strategy for cefepime in critically ill patients.

    An, Guohua / Creech, C Buddy / Wu, Nan / Nation, Roger L / Gu, Kenan / Nalbant, Demet / Jimenez-Truque, Natalia / Fissell, William / Patel, Pratish C / Fishbane, Nicholas / Watanabe, Amy / Rolsma, Stephanie / Kirkpatrick, Carl M J / Landersdorfer, Cornelia B / Winokur, Patricia

    The Journal of antimicrobial chemotherapy

    2023  Volume 78, Issue 6, Page(s) 1460–1470

    Abstract: Objectives: We aimed to identify rational empirical dosing strategies for cefepime treatment in critically ill patients by utilizing population pharmacokinetics and target attainment analysis.: Patients and methods: A prospective and opportunistic ... ...

    Abstract Objectives: We aimed to identify rational empirical dosing strategies for cefepime treatment in critically ill patients by utilizing population pharmacokinetics and target attainment analysis.
    Patients and methods: A prospective and opportunistic pharmacokinetic (PK) study was conducted in 130 critically ill patients in two ICU sites. The plasma concentrations of cefepime were determined using a validated LC-MS/MS method. All cefepime PK data were analysed simultaneously using the non-linear mixed-effects modelling approach. Monte Carlo simulations were performed to evaluate the PTA of cefepime at different MIC values following different dose regimens in subjects with different renal functions.
    Results: The PK of cefepime in critically ill patients was best characterized by a two-compartment model with zero-order input and first-order elimination. Creatinine clearance and body weight were identified to be significant covariates. Our simulation results showed that prolonged 3 h infusion does not provide significant improvement on target attainment compared with the traditional intermittent 0.5 h infusion. In contrast, for a given daily dose continuous infusion provided much higher breakpoint coverage than either 0.5 h or 3 h intermittent infusions. To balance the target attainment and potential neurotoxicity, cefepime 3 g/day continuous infusion appears to be a better dosing regimen than 6 g/day continuous infusion.
    Conclusions: Continuous infusion may represent a promising strategy for cefepime treatment in critically ill patients. With the availability of institution- and/or unit-specific cefepime susceptibility patterns as well as individual patients' renal function, our PTA results may represent useful references for physicians to make dosing decisions.
    MeSH term(s) Humans ; Cefepime ; Anti-Bacterial Agents/therapeutic use ; Chromatography, Liquid ; Prospective Studies ; Critical Illness ; Tandem Mass Spectrometry ; Monte Carlo Method ; Microbial Sensitivity Tests
    Chemical Substances Cefepime (807PW4VQE3) ; Anti-Bacterial Agents
    Language English
    Publishing date 2023-04-18
    Publishing country England
    Document type Journal Article ; Research Support, N.I.H., Extramural
    ZDB-ID 191709-2
    ISSN 1460-2091 ; 0305-7453
    ISSN (online) 1460-2091
    ISSN 0305-7453
    DOI 10.1093/jac/dkad106
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  7. Article ; Online: Safety of Live Attenuated Influenza Vaccine in Children With Asthma.

    Sokolow, Andrew G / Stallings, Amy P / Kercsmar, Carolyn / Harrington, Theresa / Jimenez-Truque, Natalia / Zhu, Yuwei / Sokolow, Katherine / Moody, M Anthony / Schlaudecker, Elizabeth P / Walter, Emmanuel B / Staat, Mary Allen / Broder, Karen R / Creech, C Buddy

    Pediatrics

    2022  Volume 149, Issue 4

    Abstract: Background and objectives: Asthma is considered a precaution for use of quadrivalent live attenuated influenza vaccine (LAIV4) in persons aged ≥5 years because of concerns for wheezing events. We evaluated the safety of LAIV4 in children with asthma, ... ...

    Abstract Background and objectives: Asthma is considered a precaution for use of quadrivalent live attenuated influenza vaccine (LAIV4) in persons aged ≥5 years because of concerns for wheezing events. We evaluated the safety of LAIV4 in children with asthma, comparing the proportion of children with asthma exacerbations after LAIV4 or quadrivalent inactivated influenza vaccine (IIV4).
    Methods: We enrolled 151 children with asthma, aged 5 to 17 years, during 2 influenza seasons. Participants were randomly assigned 1:1 to receive IIV4 or LAIV4 and monitored for asthma symptoms, exacerbations, changes in peak expiratory flow rate (PEFR), and changes in the asthma control test for 42 days after vaccination.
    Results: We included 142 participants in the per-protocol analysis. Within 42 days postvaccination, 18 of 142 (13%) experienced an asthma exacerbation: 8 of 74 (11%) in the LAIV4 group versus 10 of 68 (15%) in the IIV4 group (LAIV4-IIV4 = -0.0390 [90% confidence interval -0.1453 to 0.0674]), meeting the bounds for noninferiority. When adjusted for asthma severity, LAIV4 remained noninferior to IIV4. There were no significant differences in the frequency of asthma symptoms, change in PEFR, or childhood asthma control test/asthma control test scores in the 14 days postvaccination between LAIV4 and IIV4 recipients. Vaccine reactogenicity was similar between groups, although sore throat (P = .051) and myalgia (P <.001) were more common in the IIV4 group.
    Conclusions: LAIV4 was not associated with increased frequency of asthma exacerbations, an increase in asthma-related symptoms, or a decrease in PEFR compared with IIV4 among children aged 5 to 17 years with asthma.
    MeSH term(s) Adolescent ; Asthma ; Child ; Child, Preschool ; Humans ; Influenza Vaccines/adverse effects ; Influenza, Human/diagnosis ; Influenza, Human/prevention & control ; Vaccines, Attenuated/adverse effects ; Vaccines, Inactivated
    Chemical Substances Influenza Vaccines ; Vaccines, Attenuated ; Vaccines, Inactivated
    Language English
    Publishing date 2022-03-27
    Publishing country United States
    Document type Journal Article ; Randomized Controlled Trial ; Research Support, U.S. Gov't, P.H.S.
    ZDB-ID 207677-9
    ISSN 1098-4275 ; 0031-4005
    ISSN (online) 1098-4275
    ISSN 0031-4005
    DOI 10.1542/peds.2021-055432
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  8. Article ; Online: Safety and immunogenicity of live, attenuated intranasal Bordetella pertussis vaccine (BPZE1) in healthy adults.

    Buddy Creech, C / Jimenez-Truque, Natalia / Kown, Naomi / Sokolow, Katherine / Brady, Eric J / Yoder, Sandra / Solovay, Ken / Rubin, Keith / Noviello, Stephanie / Hensel, Elizabeth / Selamawi, Semhal / Bakare, Adetunji / Makowski, Mat / Lu, Kristina

    Vaccine

    2022  Volume 40, Issue 47, Page(s) 6740–6746

    Abstract: Background: BPZE1 is a live, attenuated pertussis vaccine derived from B. pertussis strain Tohama I modified by genetic removal or inactivation of 3 B. pertussis toxins: pertussis toxin, dermonecrotic toxin, and tracheal cytotoxin. This Phase 2a study ... ...

    Abstract Background: BPZE1 is a live, attenuated pertussis vaccine derived from B. pertussis strain Tohama I modified by genetic removal or inactivation of 3 B. pertussis toxins: pertussis toxin, dermonecrotic toxin, and tracheal cytotoxin. This Phase 2a study evaluated the safety and immunogenicity of liquid or lyophilized BPZE1 vaccine administered intranasally by needleless tuberculin syringe or mucosal atomization device (VaxINator
    Methods: Fifty healthy male and non-pregnant female participants 18-49 years of age were enrolled. Participants were randomized 3:3:3:1 to a single lyophilized dose of 10
    Results: Across all groups, 35/50 (70 %) experienced at least one local adverse event (AE) and 31/50 (62 %) experienced at least one systemic AE, with similar AE frequencies observed between the highest 10
    Discussion: Lyophilized BPZE1 vaccine was well tolerated and immunogenic at the highest dose (10
    MeSH term(s) Adult ; Male ; Female ; Humans ; Pertussis Vaccine/adverse effects ; Bordetella pertussis ; Whooping Cough/prevention & control ; Tuberculin ; Administration, Intranasal ; Vaccines, Attenuated ; Immunogenicity, Vaccine
    Chemical Substances Pertussis Vaccine ; Tuberculin ; Vaccines, Attenuated
    Language English
    Publishing date 2022-10-08
    Publishing country Netherlands
    Document type Randomized Controlled Trial ; Journal Article ; Research Support, N.I.H., Extramural
    ZDB-ID 605674-x
    ISSN 1873-2518 ; 0264-410X
    ISSN (online) 1873-2518
    ISSN 0264-410X
    DOI 10.1016/j.vaccine.2022.09.075
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  9. Article ; Online: Maternal pertussis immunization: can it help infants?

    Jiménez-Truque, Natalia / Edwards, Kathryn M

    JAMA

    2014  Volume 311, Issue 17, Page(s) 1736–1737

    MeSH term(s) Diphtheria-Tetanus-Pertussis Vaccine/immunology ; Diphtheria-Tetanus-acellular Pertussis Vaccines/immunology ; Female ; Humans ; Infant, Newborn/immunology ; Pregnancy ; Whooping Cough/prevention & control
    Chemical Substances Diphtheria-Tetanus-Pertussis Vaccine ; Diphtheria-Tetanus-acellular Pertussis Vaccines
    Language English
    Publishing date 2014-05-07
    Publishing country United States
    Document type Comment ; Editorial
    ZDB-ID 2958-0
    ISSN 1538-3598 ; 0254-9077 ; 0002-9955 ; 0098-7484
    ISSN (online) 1538-3598
    ISSN 0254-9077 ; 0002-9955 ; 0098-7484
    DOI 10.1001/jama.2014.3555
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  10. Article: Balanced Cellular and Humoral Immune Responses Targeting Multiple Antigens in Adults Receiving a Quadrivalent Inactivated Influenza Vaccine.

    Yu, Esther Dawen / Grifoni, Alba / Sutherland, Aaron / Voic, Hannah / Wang, Eric / Frazier, April / Jimenez-Truque, Natalia / Yoder, Sandra / Welsh, Sabrina / Wooden, Stacey / Koff, Wayne / Creech, Buddy / Sette, Alessandro / da Silva Antunes, Ricardo

    Vaccines

    2021  Volume 9, Issue 5

    Abstract: The role of T cell immunity has been acknowledged in recent vaccine development and evaluation. We tested the humoral and cellular immune responses to ... ...

    Abstract The role of T cell immunity has been acknowledged in recent vaccine development and evaluation. We tested the humoral and cellular immune responses to Flucelvax
    Language English
    Publishing date 2021-04-23
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2703319-3
    ISSN 2076-393X
    ISSN 2076-393X
    DOI 10.3390/vaccines9050426
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