scholarly journals 926. Antibody Response to HPV Vaccination in Pediatric and Adolescent People Living with HIV (PLWH)

2020 ◽  
Vol 7 (Supplement_1) ◽  
pp. S496-S497
Author(s):  
Roukaya Al Hammoud ◽  
Elizabeth R Unger ◽  
Gitika Panicker ◽  
Gabriela P Del Bianco ◽  
Gloria Heresi ◽  
...  

Abstract Background Immune dysfunction related to HIV infection is associated with an inability to clear HPV infection and may compromise the immunogenicity of quadrivalent HPV vaccine Gardasil® (4v HPV). Methods Between 2005 and 2017, males and females 7 to 20 years old age, were offered 3-dose 4v HPV vaccine. Plasma IgG titers to HPV 6 (H6), 11 (H11), 16 (H16) and 18 (H18) were measured using multiplex VLP-based ELISA. For the 36 patients, median interval from 1st dose to 2nd and 3rd doses were 73 and 216 days. Plasma sample 1 was collected at median of 91 days after dose 1, sample 2, 169 and sample 3, 740 after respective vaccine doses. A 4th sample was available for 26 patients, median 2327 days after dose 1. Rank-sum test, Χ 2 or Fisher’s Exact Test were employed. Results Before vaccination, 10 (28%) were seropositive to 1 or more HPV types. The baseline seropositives were older than seronegatives (16 years vs 11; p=0.007). After dose 3 all participants had an Ab response to at least 1 HPV type and 32 (89%) were seropositive for 4 HPV types. Seroconversions were H18, 87%; H16 97%; H11, 100%; H6, 97%. Seroconversions after 1 dose of 4v HPV among the baseline seronegatives were 61%, 90%, 86% and 86%, respectively and 22 became seropositive for all 4 types. The 4 baseline seronegative PLWH with partial seroconversion had higher median HIV viral load (VL) compared to baseline seronegative group with full seroconversion (12,920 vs 101 copies/ml; p = 0.052), but had comparable CD4 counts. The rate of post vaccination seropositivity and baseline to peak titer response for each HPV type was not significantly different for baseline sero-groups. Among baseline seronegative, all 19 sampled distant from vaccination remained seropositive to at least 1 HPV type (84% to 3 or more types) and 6 (32%) became seronegative (sero-reversion). Those showing sero-reversion had higher VL compared to the 14 who remained seropositive (9100 vs 48; p =0.015). Time from last dose of 4v HPV to sample 4, CD4%, age, gender, and race/ethnicity were similar between the groups. Bar Graphs representing Ab response to the 4 HPV types following each dose of 4v HPV vaccine Conclusion In the complex environment of a pediatric HIV specialty clinic, most PLWH mounted Ab responses to 4v HPV that were durable. H18 was least immunogenic. Patients with higher HIV VL were less likely to seroconvert for all types and were more likely to sero-revert. Disclosures All Authors: No reported disclosures

BMJ Open ◽  
2020 ◽  
Vol 10 (8) ◽  
pp. e039383
Author(s):  
Aaron MacCosham ◽  
Mariam El-Zein ◽  
Ann N Burchell ◽  
Pierre-Paul Tellier ◽  
François Coutlée ◽  
...  

IntroductionHuman papillomavirus (HPV) is a causal agent of malignancies including cervical, vulvar, vaginal, penile, anal and oropharyngeal cancer, as well as benign conditions such as anogenital warts. HPV vaccination protects individuals against infections with the target HPV types and their clinical outcomes. However, little is known about the protection an immunised individual confers to their sexual partner or its impact on HPV transmission dynamics. In this context, the Transmission Reduction and Prevention with HPV vaccination (TRAP-HPV) study was designed to determine the efficacy of an HPV vaccine in reducing transmission of genital and oral HPV infection in sexual partners of vaccinated individuals.Methods and analysisThe TRAP-HPV study is an ongoing randomised controlled trial among heterosexual couples living in Montreal, Canada. Sexually active couples, aged between 18 and 45 years, who have been in a relationship no longer than 6 months are considered eligible. Participants are independently randomised to receive either the intervention HPV vaccine, Gardasil 9, or a placebo hepatitis A vaccine, Avaxim, creating four vaccination groups among couples: intervention–intervention, intervention–placebo, placebo–intervention and the placebo–placebo. Participants provide genital (vaginal/penile) and oral samples at baseline and five follow-up visits over a 1-year duration. Linear Array HPV genotyping is used to detect 36 HPV types. Cox proportional hazard regression models will be used to estimate the effect of vaccination on HPV transmission.Ethics and disseminationThe TRAP-HPV study received ethical approval by institutional review boards McGill University, Concordia University and Centre Hospitalier de l’Université de Montréal. Before enrolment, all participants provide informed written consent. Results will be published in peer-reviewed journals and presented at national and international conferences. The generated empirical evidence could be used in mathematical models of vaccination to inform policymakers in Canada and elsewhere.Trial registration numberNCT01824537.


HIV ◽  
2020 ◽  
pp. 111-118
Author(s):  
Hillary Dunlevy

Human papillomavirus (HPV) is a pervasive infection worldwide, with high rates of infection in people living with HIV. HPV lesions range from benign condyloma to precancerous and cancerous lesions in sites of anogenital and oropharyngeal HPV infection. The most effective prevention of infection, condylomas, precancerous lesions, and malignancy is through HPV vaccination, with recently expanded indications for 9-valent HPV vaccination up to age 45. Multiple modalities exist for treatment of anogenital condyloma, with high recurrence rates for most. For millions of people living with HIV, screening for premalignant lesions has been found to prevent HPV-related cervical cancer. Anal Papanicolaou testing and high-resolution anoscopy with biopsy are effective at identifying precancerous lesions. Treatment is available but has high rates of recurrence of HPV-related lesions. Studies are underway to help create guidelines for anal HPV lesion screening and cancer prevention.


Biomedicines ◽  
2021 ◽  
Vol 9 (6) ◽  
pp. 683
Author(s):  
Maria Isaguliants ◽  
Marina Nosik ◽  
Anastasia Karlsen ◽  
Natalia Petrakova ◽  
Marina Enaeva ◽  
...  

Women living with HIV-1 are at high risk of infection with human papillomavirus of high carcinogenic risk (HR HPVs). M. tuberculosis (TB) promotes HPV infection and increases the risk to develop HPV-associated cancer. Our knowledge of persisting HR HPVs genotypes, and of the factors promoting HR HPV infection in people living with HIV-1 with clinical TB manifestations is sparse. Here, we analyzed 58 women living with HIV-1 with clinical TB manifestations (WLWH with TB) followed up in specialized centers in Russia, a middle income country endemic for HIV-1 and TB, for the presence in cervical smears of DNA of twelve HR HPV genotypes. DNA encoding HPV16 E5, E6/E7 was sequenced. Sociodemographic data of patients was collected by questionnaire. All women were at C2-C3 stages of HIV-infection (by CDC). The majority were over 30 years old, had secondary education, were unemployed, had sexual partners, experienced 2–3 pregnancies and at least one abortion, and were smokers. The most prevalent was HPV16 detected in the cervical smears of 38% of study participants. Altogether 34.5% of study participants were positive for HR HPV types other than HPV16; however, but none of these types was seen in more than 7% of tested samples. Altogether, 20.7% of study participants were positive for several HR HPV types. Infections with HPVs other than HPV16 were common among WLWH with generalized TB receiving combined ART/TB-therapy, and associated with their ability to work, indirectly reflecting both their health and lifestyle. The overall prevalence of HR HPVs was associated with sexual activity of women reflected by the number of pregnancies, and of HPV 16, with young age; none was associated to CD4+-counts, route of HIV-infection, duration of life with HIV, forms of TB-infection, or duration of ART, characterizing the immune status. Thus, WLWH with TB—especially young—were predisposed to infection with HPV16, advancing it as a basis for a therapeutic HPV vaccine. Phylogenetic analysis of HPV16 E5, E6/E7 DNA revealed no common ancestry; sequences were similar to those of the European and American HPV16 strains, indicating that HPV vaccine for WLWH could be the same as HPV16 vaccines developed for the general population. Sociodemographic and health correlates of HR HPV prevalence in WLWH deserve further analysis to develop criteria/recommendations for prophylactic catch-up and therapeutic HPV vaccination of this highly susceptible and vulnerable population group.


Author(s):  
Katarzyna Smolarczyk ◽  
Wojciech Pieta ◽  
Slawomir Majewski

HPV (human papillomavirus) vaccinations have been introduced into the population of many countries through vaccination programs, although their acceptance varies from country to country, largely dependent on the state of knowledge about diseases caused by genital HPV types as well as cultural, social, and religious factors. The aim of the study was to analyze the state of knowledge about HPV and HPV vaccines among doctors during their specialization in gynecology and obstetrics, dermatology and venereology, and pediatrics. Another objective of the study was to analyze the impact of the state of knowledge about HPV vaccination on their attitude to primary prevention, i.e., vaccinations. A questionnaire was used to collect the data and 639 doctors took part in the study. The analysis was carried out mainly using descriptive statistical methods. In Poland, doctors’ knowledge about HPV is low, independent of gender, age, and subject of specialization. Doctors’ knowledge about the HPV vaccine is very low and independent of sex, age, and subject of specialization. However, doctors’ knowledge about HPV and the HPV vaccine influences the attitude to HPV vaccination and does not affect pro-active behaviors.


Vaccines ◽  
2021 ◽  
Vol 9 (2) ◽  
pp. 83
Author(s):  
Alessandro Ghelardi ◽  
Roberto Marrai ◽  
Giorgio Bogani ◽  
Francesco Sopracordevole ◽  
Paola Bay ◽  
...  

Data suggest that adjuvant human papillomavirus (HPV)-vaccination in women treated for cervical HPV diseases reduces recurrent disease. This study investigates adjuvant HPV-vaccination and the rate of recurrence in women undergoing surgery for vulvar high-grade squamous intraepithelial lesions (HSIL). From January 2013 to April 2020, we enrolled 149 women in a prospective case-control study. The control group (NV-group) was treated by standard surgery alone, while the study group received adjuvant vaccination soon after surgery (V-group). A follow-up was performed by vulvoscopy and HPV test. Statistical analysis was performed by Fisher’s exact test. HSIL recurrence was observed in 24/76 (32%) patients in NV-group and in 8/42 patients (19%) of the vaccinated group. By analysing the recurrence rate related to the incident and reactivated latent HPV infection, we found a significant difference between (17/76) 22.3% in NV-group and (2/42) 4.8% in V-group (p = 0.01). A reduction of 78.5% in incident/reactivated HPV infections was demonstrated. Data results add to the current knowledge about the mechanism of post-surgical adjuvant HPV vaccination. Our prospective study is the first to document the vaccine clinical effectiveness in preventing “reactivation” of latent HPV infections. Quadrivalent HPV vaccine administered after the surgical treatment for vulvar HSIL appears to be useful in preventing recurrent disease.


2021 ◽  
Vol 32 (5) ◽  
pp. 435-443
Author(s):  
Maria Elena Ceballos ◽  
Patricio Ross ◽  
Martin Lasso ◽  
Isabel Dominguez ◽  
Marcela Puente ◽  
...  

In this prospective, multicentric, observational study, we describe the clinical characteristics and outcomes of people living with HIV (PLHIV) requiring hospitalization due to COVID-19 in Chile and compare them with Chilean general population admitted with SARS-CoV-2. Consecutive PLHIV admitted with COVID-19 in 23 hospitals, between 16 April and 23 June 2020, were included. Data of a temporally matched-hospitalized general population were used to compare demography, comorbidities, COVID-19 symptoms, and major outcomes. In total, 36 PLHIV subjects were enrolled; 92% were male and mean age was 44 years. Most patients (83%) were on antiretroviral therapy; mean CD4 count was 557 cells/mm3. Suppressed HIV viremia was found in 68% and 56% had, at least, one comorbidity. Severe COVID-19 occurred in 44.4%, intensive care was required in 22.2%, and five patients died (13.9%). No differences were seen between recovered and deceased patients in CD4 count, HIV viral load, or time since HIV diagnosis. Hypertension and cardiovascular disease were associated with a higher risk of death ( p = 0.02 and 0.006, respectively). Compared with general population, the HIV cohort had significantly more men (OR 0.15; IC 95% 0.07–0.31) and younger age (OR 8.68; IC 95% 2.66–28.31). In PLHIV, we found more intensive care unit admission (OR 2.31; IC 95% 1.05–5.07) but no differences in the need for mechanical ventilation or death. In this cohort of PLHIV hospitalized with COVID-19, hypertension and cardiovascular comorbidities, but not current HIV viro-immunologic status, were the most important risk factors for mortality. No differences were found between PLHIV and general population in the need for mechanical ventilation and death.


Vaccines ◽  
2021 ◽  
Vol 9 (7) ◽  
pp. 776
Author(s):  
Tomasz Milecki ◽  
Maciej Michalak ◽  
Jakub Milecki ◽  
Michał Michalak ◽  
Radosław Kadziszewski ◽  
...  

Introduction: Human papillomavirus (HPV) is associated with six types of cancer in men and women. A vaccine against HPV, preferably administered before initial sexual intercourse, has been proven to be highly effective in preventing these cancers. An effective healthcare provider recommendation has significant influence on HPV vaccine uptake; therefore, it is critical that medical students receive comprehensive training in this area. Aim: The aim of the study was to assess the knowledge of medical students regarding Human Papillomavirus’s (HPV) ways of transmission, risk of cancer development, and vaccination against HPV. This study also investigated factors among medical students that would affect their intention to recommend HPV vaccination to others. Materials and Methods: The study was conducted among 1061 (678 women and 383 men) medical students who filled in our questionnaire. The medical students were divided into two subgroups: (1) pre-clinical medical students (MS pre-clinical; first-to third-year students; n = 683) and (2) clinical medical students (MS clinical; fourth-to six-year students; n = 378). Results: A total259 (24.41%) of the 1061 medical students were vaccinated against HPV. We found a significant improvement in the general level of knowledge in the later years of education (4–6) compared to the early years of education (1–3). However, it was demonstrated that, despite medical education advancements, there are still significant gaps of knowledge about the relationship between HPV infection and cancers other than cervical cancer, as well as in relation to the routes by which HPV is transmitted. Medical students’ intentions to recommend HPV vaccine to others were related to their own HPV-related knowledge and their own vaccination status. Conclusion: Medical students have gaps of knowledge regarding particular issues and aspects of HPV. It is necessary to further educate medical students in the field of prevention and in the treatment of lesions caused by HPV infection. Medical students’ intention to recommend the HPV vaccine can be improved by including them and members of their families in the HPV vaccination program.


2021 ◽  
Vol 18 (1) ◽  
Author(s):  
Anita Mesic ◽  
Alexander Spina ◽  
Htay Thet Mar ◽  
Phone Thit ◽  
Tom Decroo ◽  
...  

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.


2017 ◽  
Vol 27 (3) ◽  
pp. 27017
Author(s):  
Vanessa Laís Diefenthäler ◽  
Mariele Do Amaral Schneider Cardoso ◽  
Janice De Fátima Pavan Zanella ◽  
Paulo Ricardo Moreira ◽  
Janaina Coser

*** Anal lesion caused by human papillomavirus in a woman living with HIV/AIDS ***AIMS: To describe a case of anal lesion caused by human papillomavirus (HPV) infection in a woman living with HIV/AIDS.CASE DESCRIPTION: A 35-year-old woman, diagnosed with HIV five years ago, reported pruritus ani, anal bleeding, painful defecation, and presence of small warts in the perianal region. The patient was seen at a specialized care center and was subjected to clinical examination with visual inspection, which revealed perianal condyloma. Histopathological examination confirmed the presence of moderate to severe dysplasia associated with HPV-compatible changes. The anal lesion was excised. At the onset of the symptoms, the patient was not on antiretroviral therapy and her HIV viral load was at its highest (2,951 copies/mL) compared with her previous laboratory tests. She had gone through emotional stress and presented with recurrent genital herpes simplex virus infections. These factors may have predisposed her to the development of anal condyloma.CONCLUSIONS: Since HIV infection may alter the history of HPV infection, it is important that screening strategies include cytological analysis of both the cervix and the anal region.


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