Allergen Immunotherapy in a 45 Year-old Caucasian Male with a 20 Year History of HIV with Severe Allergic Rhinitis: Monitoring of HIV Viral Load and T Cells During Immunotherapy

2009 ◽  
Vol 123 (2) ◽  
pp. S61-S61 ◽  
Author(s):  
J. Wheeler Jr. ◽  
V. Van Stee ◽  
J. Bayuk
Keyword(s):  
T Cells ◽  
Allergic Rhinitis ◽  
Viral Load ◽  
Allergen Immunotherapy ◽  
Hiv Viral Load ◽  
Caucasian Male ◽  
History Of

scholarly journals Predictors of virological failure among people living with HIV receiving first line antiretroviral treatment in Myanmar: retrospective cohort analysis

2021 ◽  
Vol 18 (1) ◽  
Author(s):  
Anita Mesic ◽  
Alexander Spina ◽  
Htay Thet Mar ◽  
Phone Thit ◽  
Tom Decroo ◽  
...  
Keyword(s):  
Viral Load ◽  
Virological Failure ◽  
Antiretroviral Treatment ◽  
People Living With Hiv ◽  
First Line ◽  
Hiv Viral Load ◽  
Loss To Follow Up ◽  
History Of ◽  
Living With Hiv

Abstract Background Progress toward the global target for 95% virological suppression among those on antiretroviral treatment (ART) is still suboptimal. We describe the viral load (VL) cascade, the incidence of virological failure and associated risk factors among people living with HIV receiving first-line ART in an HIV cohort in Myanmar treated by the Médecins Sans Frontières in collaboration with the Ministry of Health and Sports Myanmar. Methods We conducted a retrospective cohort study, including adult patients with at least one HIV viral load test result and having received of at least 6 months’ standard first-line ART. The incidence rate of virological failure (HIV viral load ≥ 1000 copies/mL) was calculated. Multivariable Cox’s regression was performed to identify risk factors for virological failure. Results We included 25,260 patients with a median age of 33.1 years (interquartile range, IQR 28.0–39.1) and a median observation time of 5.4 years (IQR 3.7–7.9). Virological failure was documented in 3,579 (14.2%) participants, resulting in an overall incidence rate for failure of 2.5 per 100 person-years of follow-up. Among those who had a follow-up viral load result, 1,258 (57.1%) had confirmed virological failure, of which 836 (66.5%) were switched to second-line treatment. An increased hazard for failure was associated with age ≤ 19 years (adjusted hazard ratio, aHR 1.51; 95% confidence intervals, CI 1.20–1.89; p < 0.001), baseline tuberculosis (aHR 1.39; 95% CI 1.14–1.49; p < 0.001), a history of low-level viremia (aHR 1.60; 95% CI 1.42–1.81; p < 0.001), or a history of loss-to-follow-up (aHR 1.24; 95% CI 1.41–1.52; p = 0.041) and being on the same regimen (aHR 1.37; 95% CI 1.07–1.76; p < 0.001). Cumulative appointment delay was not significantly associated with failure after controlling for covariates. Conclusions VL monitoring is an important tool to improve programme outcomes, however limited coverage of VL testing and acting on test results hampers its full potential. In our cohort children and adolescents, PLHIV with history of loss-to-follow-up or those with low-viremia are at the highest risk of virological failure and might require more frequent virological monitoring than is currently recommended.

scholarly journals Allergen immunotherapy improves defective follicular regulatory T cells in patients with allergic rhinitis

2019 ◽  
Vol 144 (1) ◽  
pp. 118-128 ◽  
Author(s):  
Yin Yao ◽  
Zhi-Chao Wang ◽  
Nan Wang ◽  
Peng-Cheng Zhou ◽  
Cai-Ling Chen ◽  
...  
Keyword(s):  
T Cells ◽  
Allergic Rhinitis ◽  
Regulatory T Cells ◽  
Allergen Immunotherapy

P5341Predictive factors of atherosclerotic cardiovascular diseases events in HIV-HVC co-infected patients: results from hepavih ANRS co13 cohort

2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
F Boccara ◽  
B K Tan ◽  
M Chalouni ◽  
D Salmon Ceron ◽  
A Cinaud ◽  
...  
Keyword(s):  
Viral Load ◽  
Sustained Viral Response ◽  
Biological Data ◽  
Personal History ◽  
Hiv Viral Load ◽  
Factors Associated ◽  
Coronary Syndrome ◽  
Increased Risk ◽  
History Of

Abstract Introduction Several studies highlighted an increased risk of cardiovascular disease (CVD) in HIV-HCV co-infected patients without clearly identifying specific virologic factors associated with atherosclerotic CVD (ASCVD) events. Purpose Hence, we analyzed data collection from the French nationwide ANRS CO13 HEPAVIH cohort to determine the incidence of ASCVD events in HIV-HCV co-infected patients and the predictive factors associated with its occurrence. Methods The French multicenter nationwide ANRS CO13 HEPAVIH clinic-based cohort collected prospective clinical and biological data from HIV-HCV co-infected patients followed-up in 28 different university hospitals between December 2005 to November 2016. Participants with at least one year of follow-up were included. Primary outcome was the occurrence of major ASCVD events (cardiovascular death, acute coronary syndrome, coronary revascularization and stroke). Secondary outcomes were total ASCVD events including major ASCVD events and minor ASCVD events (peripheral arterial disease [PAD]). Incidence rates were estimated using Aalen-Johansen method and factors associated with ASCVD identified with Cox proportional hazards models. Results A total of 1213 patients were included: median age 45.4 years [42.1–49.0], 70.3% men, current smoking 70.2%, overweight 19.5%, liver cirrhosis 18.9%, chronic alcohol consumption 7.8%, diabetes mellitus (5.9%), personal history of CVD 2.7%, and statins use 4.1%. After a median follow-up of 5.1 years [3.9–7.0], 44 participants experienced at least one ASCVD event (26 major ASCVD event, and 20 a minor event). Incidences for total, major and minor ASCVD events were of 6.98 [5.19; 9.38], 4.01 [2.78; 6.00], and 3.17 [2.05; 4.92] per 1000 person-years, respectively. Personal history of CVD (Hazard Ratio (HR)=13.94 [4.25–45.66]), high total cholesterol (HR=1.63 [1.24–2.15]), low HDL cholesterol (HR=0.08 [0.02–0.34]) and undetectable HIV viral load (HR=0.41 [0.18–0.96]) were identified as independent factors associated with major ASCVD events while cirrhosis status, liver fibrosis and HCV sustained viral response were not. Cumulative incidence of CV events Conclusion HIV-HCV co-infected patients experience a high incidence of ASCVD events both coronary and peripheral artery diseases. Traditional CV risk factors are the main determinants of ASCVD whereas undetectable HIV viral load seems to be protective. Management of cholesterol abnormalities and controlling viral load are essential to modify this high cardiovascular risk. Acknowledgement/Funding Agence Natoinale de Recherche sur le SIDA et les Hépatites virales

scholarly journals Predictors of Missed Hepatitis C Intake Appointments and Failure to Establish Hepatitis C Care Among Patients Living With HIV

2018 ◽  
Vol 5 (7) ◽  
Author(s):  
Edward R Cachay ◽  
Lucas Hill ◽  
Francesca Torriani ◽  
Craig Ballard ◽  
David Grelotti ◽  
...  
Keyword(s):  
Viral Load ◽  
Hepatitis C ◽  
Drug Use ◽  
Mental Health Disorder ◽  
Integrated Treatment ◽  
Hiv Treatment ◽  
Hcv Treatment ◽  
Hiv Viral Load ◽  
History Of ◽  
Living With Hiv

Abstract Background We estimated and characterized the proportion of patients living with HIV (PLWH) who missed hepatitis C (HCV) intake appointments and subsequently failed to establish HCV care. Methods Logistic regression analyses were used to identify factors associated with missed HCV intake appointments and failure to establish HCV care among PLWH referred for HCV treatment between January 2014 and December 2017. In addition to demographics, variables included HIV treatment characteristics, type of insurance, liver health status, active alcohol or illicit drug use, unstable housing, and history of a mental health disorder (MHD). Results During the study period, 349 new HCV clinic appointments were scheduled for 202 unduplicated patients. Approximately half were nonwhite, and 80% had an undetectable HIV viral load. Drug use (31.7%), heavy alcohol use (32.8%), and MHD (37.8%) were prevalent. Over the 4-year period, 21.9% of PLWH referred for HCV treatment missed their HCV intake appointment. The proportion increased each year, from 17.2% in 2014 to 25.4% in 2017 (P = .021). Sixty-six of the 202 newly referred HCV patients (32.7%) missed their first HCV appointment, and 28 of these (42.4%) failed to establish HCV care. Having a history of MHD, CD4 &lt;200, ongoing drug use, and being nonwhite were independent predictors of missing an intake HCV appointment. The strongest predictor of failure to establish HCV care was having a detectable HIV viral load. Conclusions The proportion of PLWH with missed HCV appointments increased over time. HCV elimination among PLWH may require integrated treatment of MHD and substance use.

scholarly journals Loss to Followup in HIV-Infected Patients from Asia-Pacific Region: Results from TAHOD

2012 ◽  
Vol 2012 ◽  
pp. 1-10 ◽  
Author(s):  
Jialun Zhou ◽  
Junko Tanuma ◽  
Romanee Chaiwarith ◽  
Christopher K. C. Lee ◽  
Matthew G. Law ◽  
...  
Keyword(s):  
Viral Load ◽  
Drug Regimen ◽  
Clinic Visit ◽  
Asia Pacific ◽  
Pacific Region ◽  
Asia Pacific Region ◽  
Hiv Viral Load ◽  
History Of ◽  
Lost To Follow Up

This study examined characteristics of HIV-infected patients in the TREAT Asia HIV Observational Database who were lost to follow-up (LTFU) from treatment and care. Time from last clinic visit to 31 March 2009 was analysed to determine the interval that best classified LTFU. Patients defined as LTFU were then categorised into permanently LTFU (never returned) and temporary LTFU (re-entered later), and these groups compared. A total of 3626 patients were included (71% male). No clinic visits for 180 days was the best-performing LTFU definition (sensitivity 90.6%, specificity 92.3%). During 7697 person-years of follow-up, 1648 episodes of LFTU were recorded (21.4 per 100-person-years). Patients LFTU were younger (P=0.002), had HIV viral load ≥500 copies/mL or missing (P=0.021), had shorter history of HIV infection (P=0.048), and received no, single- or double-antiretroviral therapy, or a triple-drug regimen containing a protease inhibitor (P<0.001). 48% of patients LTFU never returned. These patients were more likely to have low or missing haemoglobin (P<0.001), missing recent HIV viral load (P<0.001), negative hepatitis C test (P=0.025), and previous temporary LTFU episodes (P<0.001). Our analyses suggest that patients not seen at a clinic for 180 days are at high risk of permanent LTFU, and should be aggressively traced.

scholarly journals Allergen immunotherapy decreases interleukin 4 production in CD4+ T cells from allergic individuals.

1993 ◽  
Vol 178 (6) ◽  
pp. 2123-2130 ◽  
Author(s):  
H Secrist ◽  
C J Chelen ◽  
Y Wen ◽  
J D Marshall ◽  
D T Umetsu
Keyword(s):  
T Cells ◽  
Allergic Rhinitis ◽  
Cd4 T Cells ◽  
Allergen Immunotherapy ◽  
Subcutaneous Administration ◽  
Interleukin 4 ◽  
Clinical Effects ◽  
Cytokine Profiles ◽  
Memory Cd4 T Cells

Allergen specific CD4+ T cell clones generated from allergic individuals have been shown to produce increased levels of the cytokine interleukin 4 (IL-4), compared to allergen specific clones generated from nonallergic individuals. This difference between CD4+ T cells from allergic and nonallergic individuals with regard to cytokine production in response to allergen is thought to be responsible for the development of allergic disease with increased IgE synthesis in atopic individuals. We examined the production of IL-4 in subjects with allergic rhinitis and in allergic individuals treated with allergen immunotherapy, a treatment which involves the subcutaneous administration of increasing doses of allergen and which is highly effective and beneficial for individuals with severe allergic rhinitis. We demonstrated that the quantity of IL-4 produced by allergen specific memory CD4+ T cells from allergic individuals could be considerably reduced by in vivo treatment with allergen (allergen immunotherapy). Immunotherapy reduced IL-4 production by allergen specific CD4+ T cells to levels observed with T cells from nonallergic subjects, or to levels induced with nonallergic antigens such as tetanus toxoid. In most cases the levels of IL-4 produced were inversely related to the length of time on immunotherapy. These observations indicate that immunotherapy accomplishes its clinical effects by reducing IL-4 synthesis in allergen specific CD4+ T cells. In addition, these observations indicate that the cytokine profiles of memory CD4+ T cells can indeed be altered by in vivo therapies. Thus, the cytokine profiles of memory CD4+ T cells are mutable, and are not fixed as had been suggested by studies of murine CD4+ memory T cells. Finally, treatment of allergic diseases with allergen immunotherapy may be a model for other diseases which may require therapies that alter inappropriate cytokine profiles of memory CD4+ T cells.

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