Autoantibodies among HIV-1 infected individuals and the effect of Anti-retroviral therapy (ART) on it.

2021 ◽  
Vol 19 ◽  
Author(s):  
Runal John Steve ◽  
Diviya Alex ◽  
Binesh Lal Yesudhason ◽  
John Antony Jude Prakash ◽  
Nitty Skariah Mathews ◽  
...  
Keyword(s):  
Antinuclear Antibody ◽  
Anticardiolipin Antibody ◽  
Cross Sectional Study ◽  
Marginal Effect ◽  
Duration Of Treatment ◽  
Median Viral Load ◽  
Median Percentage ◽  
Cross Sectional ◽  
Percentage Positivity ◽  
Hiv 1

Background:: Antiretroviral therapy (ART) has led to a decline in autoimmune diseases but lacks studies on its effect on autoantibodies. Methods: A cross-sectional study with archived samples from 100 paired HIV-1 infected ART naïve and experienced individuals and 100 prospectively collected matched blood-donor controls. Antinuclear antibody, IgG anticardiolipin antibody, IgM and IgG β2 glycoprotein-1 antibodies, and total IgG levels were detected. Results are expressed as mean with standard deviation (SD), median, percentage positivity, and a p<0.05 is considered significant. The study was approved by the Institutional Review Board. Results: The median viral load of the treatment naïve samples was 4.34 Log copies/mL while all were virally suppressed post ART with a median duration of treatment for 12 months (range: 3-36 months). The percentage positivity of antinuclear antibody was 5% among ART naïve and controls with a decrease to 2% post ART (p= 0.441). The positivity for anti-cardiolipin antibody was 15% among ART naïve while none of the ART experienced or controls were positive (p<0.05). IgM β2 glycoprotein-1 was 4%, 1% and 3% among ART naïve, treated and controls respectively (p<0.05). IgG β2 glycoprotein-1 was 2% among ART naïve while none of the treated and controls were positive (p<0.05). The mean total IgG level among ART naïve, experienced, and controls were 21.82 (SD 6.67), 16.91 (SD 3.38), 13.70 (SD 2.24) grams/Litre respectively (p<0.05). Conclusion: ART has a significant effect on IgG anti-cardiolipin antibody and total IgG but only a marginal effect on ANA, IgM, and IgG β2 glycoprotein-1 antibodies.

scholarly journals 333. Weight Gain Among HIV-Infected Patients in Southern India on Treatment with Integrase Strand Transfer Inhibitor-based Antiretroviral Therapy

2019 ◽  
Vol 6 (Supplement_2) ◽  
pp. S177-S177
Author(s):  
Rifa Khan ◽  
Amrose Pradeep ◽  
Chithra Devaraja ◽  
Bala Krishnan
Keyword(s):  
Weight Gain ◽  
Viral Suppression ◽  
Opportunistic Infections ◽  
Oral Candidiasis ◽  
Cross Sectional Study ◽  
Strand Transfer ◽  
Median Viral Load ◽  
Cross Sectional ◽  
Initiation Of Therapy ◽  
Hiv 1

Abstract Background Addition of integrase strand transfer-inhibitors (mainly dolutegravir) has strengthened anti-retroviral therapy (ART), to sustain viral suppression in HIV-1 and 2-infected patients. For judicious use in the future, we examine weight gain in ART-naïve, and those exposed to INSTI-based regimens as first, second, and third-line ART. Methods We undertook a retrospective cross-sectional study of patients initiated on INSTI-based regimens from 15 January 2017 to 22 December 2018 (n = 333). Descriptive statistical analyses were performed using STATA 15.1. Cross-tabulation and stratification were conducted to measure the strength of association. A linear regression model was used to study the increase in weight per unit of time. Results 331 patients are infected with HIV-1 and 2 with HIV-2. 66% are male, median age= 38 years (IQR 31–44). Median CD4 count at INSTI initiation was 226 cell/cubic mL (IQR 87–395). Median viral load at initiation of INSTI-based therapy was log104.768 copies/mL (IQR 2.9—5.63). Most common opportunistic infections were pulmonary tuberculosis (n = 97), oral candidiasis (n = 84), and herpes zoster (n = 44). Median hemeoglobin was 12gm% (IQR 10.5–13.8). 39% were initiated on TDF+3TC+DTG and 32% were initiated on TDF+FTC+DTG. 74% experienced weight gain; average increase was 3.69 Kg (SD 3.56) at 3 months. 19.5% gained >4 kg; median BMI at initiation of therapy was 22.56 kg/m2 (IQR 19.8–25.1) and 25.4 kg/m2 (IQR 22.5–28.7) at an average of 9.5 months post initiation of dolutegravir-based ART. 70% of ART naïve (n = 73) experienced weight gain; 17.8% gained 8.36 kg at 9 months. Higher weight gain was observed in patients with opportunistic infections. Association with gender (OR = 0.9 95%, CI 0.54 -1.5; P = 0.70) and age (OR=0.9, 95% CI 0.97–1.01;P = 0.71) was not significant. Weight gain was positively correlated with time (r=+1); predicted increase in weight per 0.1 months after initiation of INSTI-based regimen (F=4.62, P = 0.032). Conclusion Access and adherence to INSTI have positively influenced viral suppression of HIV-infection.To ensure the prevention of obesity and apt use of ART for malnourished patients, it is imperative to monitor weight gain in patients who are initiated on INSTI-based regimens. Further research to study the mechanism of weight gain is warranted. Disclosures All authors: No reported disclosures.

scholarly journals Factors Influencing HIV Drug Resistance among Pregnant Women in Luanda, Angola: Findings from a Cross-Sectional Study

2021 ◽  
Vol 6 (1) ◽  
pp. 29
Author(s):  
Cruz S. Sebastião ◽  
Joana Morais ◽  
Miguel Brito
Keyword(s):  
Drug Resistance ◽  
Pregnant Women ◽  
Rural Areas ◽  
Cross Sectional Study ◽  
Drug Resistant ◽  
Sectional Study ◽  
Cross Sectional ◽  
Hiv Drug Resistance ◽  
Hiv 1 ◽  
High Educational

The increase in HIV infection and drug-resistant strains is an important public health concern, especially in resource-limited settings. However, the identification of factors related to the propagation of infectious diseases represents a crucial target offering an opportunity to reduce health care costs as well as deepening the focus on preventing infection in high-risk groups. In this study, we investigate the factors related to drug resistance among HIV-infected pregnant women in Luanda, the capital city of Angola. This was a part of a cross-sectional study conducted with 42 HIV-positive pregnant women. A blood sample was collected, and HIV-1 genotyping was carried out using an in-house method. Multivariate analyses were performed to determine the interaction between sociodemographic characteristics and drug resistance. HIV drug resistance was detected in 44.1% of the studied population. High probabilities of drug resistance were observed for HIV-infected pregnant women living in rural areas (AOR: 2.73; 95% CI: 0.50–14.9) with high educational level (AOR: 6.27; 95% CI: 0.77–51.2) and comorbidities (AOR: 5.47; 95% CI: 0.28–106) and infected with a HIV-1 non-B subtype other than subtype C (AOR: 1.60; 95% CI: 0.25–10.3). The present study reports high HIV drug resistance. Furthermore, older-age, rural areas, high educational levels, unemployed status, having comorbidities, and HIV-1 subtypes were factors related to drug resistance. These factors impact on drug susceptibility and need to be urgently addressed in order to promote health education campaigns able to prevent the spread of drug-resistant HIV strains in Angola.

scholarly journals Molecular transmission networks and pre-treatment drug resistance among individuals with acute HIV-1 infection in Baoding, China

PLoS ONE ◽  
2021 ◽  
Vol 16 (12) ◽  
pp. e0260670
Author(s):  
Penghui Shi ◽  
Zhixia Chen ◽  
Juan Meng ◽  
Miaomiao Su ◽  
Xuegang Yang ◽  
...  
Keyword(s):  
Drug Resistance ◽  
Dynamic Networks ◽  
Cross Sectional Study ◽  
Gene Sequences ◽  
Cross Sectional ◽  
Transmission Networks ◽  
Cell Counts ◽  
Acute Hiv ◽  
Pre Treatment ◽  
Hiv 1

Background Human immunodeficiency virus type 1 (HIV-1) genetic diversity and pre-treatment drug resistance (PDR) are major barriers to successful antiretroviral therapy (ART). In China, sexual intercourse is the most frequent route of HIV-1 transmission. However, few studies have analyzed PDR and transmission networks in detail among individuals in China with acute HIV-1 infection and their sexual contacts. Methods A cross-sectional study was conducted in Baoding City, Hebei Province, China from 2019–2020. CD4 T cell counts and viral loads were assessed and a HIV-1 genotypic PDR assay was developed in-house. Transmission networks were visualized using Cytoscape with a threshold genetic distance of 0.015 among HIV-1 subtypes. Results From 139 newly diagnosed and drug-naïve individuals with HIV-1, 132 pol gene sequences were obtained and revealed eight HIV-1 subtypes. Circulating recombinant form (CRF)01_AE was the most frequent subtype (53.0%, 70/132) followed by CRF07_BC (26.5%, 35/132), B (13.6%, 18/132), unique recombinant forms (2.3%, 3/132), CRF55_01B (1.5%, 2/132), CRF103_01B (1.5%, 2/132), CRF65_cpx (0.8%, 1/132), and C (0.8%, 1/132). A total of 47 pol gene sequences were used to generate 10 molecular transmission networks. The overall prevalence of PDR was 7.6% and that of PDR to non-nucleotide reverse transcriptase inhibitors was 6.1%. Of three transmission networks for PDR, two were closely associated with Beijing and Tianjin, while another was restricted to sequences determined in this study. Conclusions These results demonstrate that during acute HIV-1 infection, PDR is transmitted in dynamic networks. This suggests that early detection, diagnosis, surveillance, and treatment are critical to effectively control HIV-1 spread.

scholarly journals A CROSS SECTIONAL STUDY ON KNOWLEDGE OF TUBERCULOISIS AMONG RURAL AND URBAN POPULATION OF UDAIPUR DISTRICT, RAJASTHAN

2020 ◽  
pp. 1-2
Author(s):  
Ganesh Salvi ◽  
Rakhi Luthra
Keyword(s):  
Risk Factors ◽  
Pulmonary Tuberculosis ◽  
Urban Population ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Duration Of Treatment ◽  
Cross Sectional ◽  
Rural And Urban ◽  
Tuberculosis Risk

AIM: To assess the knowledge regarding Tuberculosis cause, spread, types and duration of treatment among rural and urban population of Udaipur, Rajasthan. Methodology: A cross sectional study was conducted during January to March 2020 in OPD’s of PHC and UHC of Udaipur city. Total of 216 participants were included. Results: Our study showed that 30.09% were believed that Tb spread form Air, 42.22% were aware about Pulmonary tuberculosis and 53.24% were know that treatment of Tb lasts for 6 months. Conclusion: There is a need to aware people more about Tuberculosis risk factors, symptoms and treatment.

scholarly journals Settings for identifying recent HIV infections: the Portuguese experience

2008 ◽  
Vol 13 (36) ◽  
Author(s):  
H Cortes Martins ◽  
M T Paixão
Keyword(s):  
Hiv Infections ◽  
Cross Sectional Study ◽  
Western European Country ◽  
Reference Laboratory ◽  
Cross Sectional ◽  
Sexually Transmitted ◽  
Aids Epidemic ◽  
Acquired Immunodeficiency ◽  
Immunodeficiency Syndrome ◽  
Hiv 1

Portugal has been the western European country with the highest rate of notified acquired immunodeficiency syndrome (AIDS) cases since 1999 and human immunodeficiency virus (HIV) infection cases since 2000. Nonetheless, exact information on the magnitude and trends of recently acquired infections is missing. In a cross-sectional study we aimed to determine HIV prevalence, the proportion of recently acquired infections and the incidence among patients attending a Sexually Transmitted Infections (STI) clinic and among HIV positive cases tested at the AIDS Reference Laboratory (ARL), by using the Avidity Index (AI) of antibodies to identify recent HIV-1 seroconversions. Demographic and behavioural data were collected. At the STI clinic 253 patients were enrolled, 16 were found to be HIV infected (14 HIV-1, 2 HIV-2) and a prevalence of 6.3% was obtained. Four recent HIV-1 infections were identified and the HIV-1 incidence was 3.3% per year. At the ARL, 332 newly diagnosed cases of HIV-1 infection were studied, 59 (17.8%) were recent infections and an annual incidence of 4.1% was estimated. These findings support STI clinics as key sentinel sites for recently acquired HIV infections and illustrate the viability of testing for recent HIV infections in these settings and reinforce the value of this method in the surveillance for better monitoring current trends of the HIV/AIDS epidemic in Portugal.

scholarly journals Impact of a decade of successful antiretroviral therapy initiated at HIV-1 seroconversion on blood and rectal reservoirs

eLife ◽  
2015 ◽  
Vol 4 ◽  
Author(s):  
Eva Malatinkova ◽  
Ward De Spiegelaere ◽  
Pawel Bonczkowski ◽  
Maja Kiselinova ◽  
Karen Vervisch ◽  
...  
Keyword(s):  
Antiretroviral Therapy ◽  
Treatment Initiation ◽  
Cross Sectional Study ◽  
Functional Cure ◽  
Cross Sectional ◽  
Polymerase Chain ◽  
Low Levels ◽  
Rectal Biopsies ◽  
Hiv 1

Persistent reservoirs remain the major obstacles to achieve an HIV-1 cure. Prolonged early antiretroviral therapy (ART) may reduce the extent of reservoirs and allow for virological control after ART discontinuation. We compared HIV-1 reservoirs in a cross-sectional study using polymerase chain reaction-based techniques in blood and tissue of early-treated seroconverters, late-treated patients, ART-naïve seroconverters, and long-term non-progressors (LTNPs) who have spontaneous virological control without treatment. A decade of early ART reduced the total and integrated HIV-1 DNA levels compared with later treatment initiation, but not reaching the low levels found in LTNPs. Total HIV-1 DNA in rectal biopsies did not differ between cohorts. Importantly, lower viral transcription (HIV-1 unspliced RNA) and enhanced immune preservation (CD4/CD8), reminiscent of LTNPs, were found in early compared to late-treated patients. This suggests that early treatment is associated with some immunovirological features of LTNPs that may improve the outcome of future interventions aimed at a functional cure.

scholarly journals Detection of Treponema pallidum (Syphilis) Antibodies among HIV-Infected Individuals and Sexually-active Attendees of Two Health Facilities in Port Harcourt, Nigeria

2020 ◽  
pp. 17-23
Author(s):  
Iheanyi O. Okonko ◽  
Tochi I. Cookey ◽  
Sofiat Adewuyi-Oseni ◽  
Amaka M. Awanye
Keyword(s):  
Treponema Pallidum ◽  
Rapid Test ◽  
Test Strip ◽  
Cross Sectional Study ◽  
Sexually Active ◽  
Cross Sectional ◽  
Port Harcourt ◽  
Serological Reactivity ◽  
Hiv Antibodies ◽  
Hiv 1

Aim: This study reports on the detection of Treponema pallidum (syphilis) antibodies in HIV infected patients in Port Harcourt, Nigeria. Screening for syphilis was carried out to determine the prevalence levels of these infections, as biological markers of risk, modes, and time functions of their transmission. Study Design: Cross-sectional study. Place and Duration of Study: University of Port Harcourt Teaching Hospital (UPTH) and O.B. Lulu Briggs Medical Centre, University of Port Harcourt, both in Port Harcourt, Nigeria, between August 2012 and July 2015. Methods: A total of 100 HIV-infected individuals and 100 sexually-active attendees were recruited for this study. Samples of blood were collected and re-screened for the presence of HIV antibodies using the Determine HIV-1/2 (Alere), HIV ½ Stat-Pak (Chembio), and HIV-1/2/P24/O ELISA kit (Dia.Pro). The same set of samples were screened for Treponema pallidum specific antibodies using the syphilis Ultra Rapid Test Strip (ACON(R), USA) and syphilis rapid strips (Global, USA) following the respective manufacturer's instructions. Results: Among the 200 samples, serological reactivity was detected for syphilis in 3(1.5%). The incidence of syphilis was higher in males (2.0%) than in females (1.0%). Age, sex, and locality did not significantly (P>0.05) influence the rate of syphilis. Conclusion: This study further confirms the presence of syphilis among the population studied. Routine screening of Syphilis among patients is therefore advocated.

High viremia and Poor Immunity are Potential Surrogates of Anti-toxoplasmic Immunoglobulin G Quantification among HIV-Infected Individuals: A Cross-sectional Study in Yaoundé, Cameroon

2020 ◽  
Author(s):  
Aude Christelle Ka'e ◽  
Samuel Martin Sosso ◽  
Joseph Fokam ◽  
Rachel Kamgaing Simo ◽  
Sara Riwom Essama ◽  
...  
Keyword(s):  
Opportunistic Infection ◽  
Immune Status ◽  
Cross Sectional Study ◽  
People Living With Hiv ◽  
Sectional Study ◽  
Cross Sectional ◽  
Reference Centre ◽  
Resource Limited ◽  
Common Opportunistic Infection ◽  
Hiv 1

Abstract Background: Toxoplasmosis remains a neglected common opportunistic infection in immunocompromised individuals, who are mainly people living with HIV (PLWHIV) in whom reactivation of toxoplasmosis may occur with advanced HIV conditions in resource-limited settings (RLS). Our objective was to evaluate the correlation between the anti-toxoplasmic IgG (Tg-IgG) concentration and the immuno-virological status of PLWHIV.Methods : A prospective and cross-sectional study was conducted among PLWHIV aged>18 years from February to November 2018 at the Chantal BIYA international Reference Centre. Blood samples were collected from eligible consenting PLWHIV; Tg-IgG level was assessed by quantitative ELISA, CD4-T lymphocytes counts were measured by flow cytometry and HIV-1 plasma viral load (PVL) measurement by real-time-PCR. Data were analysed using Excel and Graph Pad softwares; with p<0.05 considered statistically significant.Results : A total of 100 PLWHIV were enrolled: 56% seropositive for IgG anti- Toxoplasma gondii, 33% seronegative and 11% indeterminate results. According to viremia, 100% (19/19) of those with PVL>1000 copies/mL were seropositive to Tg-IgG versus 52.85% (37/70) of those with PVL<1000 copies/mL (median [IQR] IgG concentration 152.78 [139.24-444.43] versus 34.44 [13.04-36.47] IU/mL, respectively); p<0.0001. According to CD4, 100% (11/11) of those with T-CD4<200 cells/µL were seropositive to Tg-IgG versus 57.69% (45/78) of those with T-CD4>200 cells/µL (median IgG [IQR] 432.92 [145.06-450.47] versus 35.01 [15.01-38.01] IU/mL, respectively); p<0.0001. Interestingly, there were moderate-positive and strong-negative correlations respectively with HIV-1 PVL (r = 0.54; p<0.0001) and T-CD4 (r = -0.70; p<0.0001) as compared to Tg-IgG concentration. After adjusting for age, gender, immune status and PVL in logistic regression, only poor immune status (T-CD4<200 cells/µL) was independently associated to Tg-IgG seropositivity (p=0.0004).Conclusion : In a typical RLS like Cameroon, about half of PLWHIV might be seropositive to Tg-IgG. Of relevance, decreasing immunity appears with risk of increasing IgG anti- T gondii concentration, which suggests a relapse of toxoplasmosis. Thus, in the context of immunodeficiency, routine quantification of Tg-IgG would alleviate the programmatic burden of this opportunistic infection in RLS with generalized HIV epidemics.

scholarly journals Silent infections with human immunodeficiency virus type 1 are highly unlikely in multitransfused seronegative hemophiliacs [see comments]

Blood ◽  
1990 ◽  
Vol 76 (10) ◽  
pp. 1924-1926 ◽  
Author(s):  
J Gibbons ◽  
JM Cory ◽  
IK Hewlett ◽  
JS Epstein ◽  
ME Eyster
Keyword(s):  
Human Immunodeficiency Virus ◽  
High Risk ◽  
Human Immunodeficiency Virus Type ◽  
Virus Type ◽  
Cross Sectional Study ◽  
Cross Sectional ◽  
Immunodeficiency Virus ◽  
Contaminated Blood ◽  
Hiv 1

Abstract We used the polymerase chain reaction (PCR) to determine the frequency of silent human immunodeficiency virus type 1 (HIV-1) infections in seronegative high-risk individuals with hemophilia who had been exposed to contaminated blood products more than 3 years previously. In a cross- sectional study of a cohort of 57 prospectively followed seronegative hemophiliacs who received multiple transfusions before 1986, HIV-1 proviral DNA was found transiently in only one patient. These data suggest that the rate of HIV infection among high-risk antibody negative individuals with hemophilia is very low to absent, in the range of 0% to 2%. These findings should provide considerable reassurance to seronegative persons with hemophilia and their sexual partners.

scholarly journals Association between lipodystrophy and length of exposure to ARTs in adult HIV-1 infected patients in Montreal

2019 ◽  
Vol 19 (1) ◽  
Author(s):  
Ahmad Alikhani ◽  
Helene Morin ◽  
Stephanie Matte ◽  
Pouriya Alikhani ◽  
Cécile Tremblay ◽  
...  
Keyword(s):  
Cross Sectional Study ◽  
Continuous Variable ◽  
Antiretroviral Drugs ◽  
Cumulative Exposure ◽  
Sectional Study ◽  
Cross Sectional ◽  
Centre Hospitalier Universitaire ◽  
Antiretroviral Drug ◽  
Trunk Limb ◽  
Hiv 1

Abstract Background The aim of this study was to establish the prevalence of lipodystrophy and its association to cumulative exposure to antiretroviral drugs. Method We conducted a cross sectional study in all HIV- infected patients attending the HIV clinic in the Centre hospitalier universitaire de Montréal (CHUM) with DEXA scan. Lipodystrophy was defined as a trunk/limb fat ratio ≥ 1.5. Association between cumulative exposure to antiretroviral (measured in years of use) with trunk/limb fat ratio (coded as a continuous variable) was assessed using univariate and multivariate linear regression for each antiretroviral drug with at least 40 exposed patients. Results One hundred sixty-six patients were included. Seventy-five percent were male, median age was 56 years, 67% were Caucasian. Overall, prevalence of lipodystrophy was 47%, with a mean trunk/limb fat ratio of 1.87, SD = 1.03, min = 0.6 and max = 5.87. Each 10-year increase in age and HIV infection duration was associated with an average increase of 0.24 and 0.34 for the trunk/limb fat ratio respectively. (p = 0.003, p = 0.002, respectively) Patients classified as lipodystrophic were more likely to be diabetic (50 vs. 28%, p = 0.07) and to have dyslipidemia (47 vs. 19%, p = 0.01). According to viral load at DEXA test, each one log increase was associated with less probability (0.7) of lipodystrophy. (p = 0.01) Among ARV drugs tested, there was an association between years of use of d4T, ritonavir and raltegravir and higher trunk/limb fat ratio (indicating more lipodystrophy) (p < 0.05). Conclusion Lipodystrophy is very common in HIV infected patients and is correlated with duration of some new antiretroviral drugs.

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