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1.
Sci Rep ; 14(1): 13182, 2024 Jun 08.
Article in English | MEDLINE | ID: mdl-38849496

ABSTRACT

Recombinant HIV-1 genomes identified in three or more epidemiological unrelated individuals are defined as circulating recombinant forms (CRFs). CRFs can further recombine with other pure subtypes or recombinants to produce secondary recombinants. In this study, a new HIV-1 intersubtype CRF, designated CRF159_01103, isolated from three men who have sex with men with no epidemiological linkage, was identified in Baoding city, Hebei Province, China. CRF159_01103 was derived from CRF103_01B and CRF01_AE. Bayesian molecular clock analysis was performed on the CRF01-AE and CRF103_01B regions of CRF159_01103. The time of origin of CRF159_01103 was predicted to be 2018-2019, indicating that it is a recent recombinant virus. The emergence of CRF159_01103 has increased the complexity of the HIV-1 epidemic in Hebei Province.


Subject(s)
HIV Infections , HIV-1 , Phylogeny , Recombination, Genetic , HIV-1/genetics , HIV-1/classification , HIV-1/isolation & purification , Humans , China/epidemiology , HIV Infections/virology , HIV Infections/epidemiology , Male , Genome, Viral , Homosexuality, Male , Bayes Theorem
2.
BMC Microbiol ; 24(1): 192, 2024 Jun 03.
Article in English | MEDLINE | ID: mdl-38831399

ABSTRACT

BACKGROUND: HIV-infected persons demonstrate notable disturbances in their intestinal microbiota; however, the impact of intestinal microbiota on HIV susceptibility in men who have sex with men (MSM), as well as the effects of HIV and antiretroviral therapy (ART) on their gut microbiota, remains under active study. Thus, our research focuses on clarifying the distinctions in intestinal microbiota composition among uninfected MSM and non-MSM healthy controls, investigating the alterations in early-stage intestinal microbial communities following HIV infection, and assessing how ART affects the intestinal microbiota. METHODS: This study enrolled four participant groups: uninfected MSM, Recent HIV-1 infection (RHI) MSM, MSM on ART, and non-MSM healthy controls, with 30 individuals in each group. We utilized 16S ribosomal DNA (16S rDNA) amplicon sequencing to analyze fecal microbiota and employed Luminex multiplex assays to measure plasma markers for microbial translocation (LBP, sCD14) and the inflammatory marker CRP. FINDINGS: Comparing uninfected MSM to non-MSM healthy controls, no substantial variances were observed in α and ß diversity. Uninfected MSM had higher average relative abundances of Bacteroidetes, Prevotella, and Alloprevotella, while Bacteroides, Firmicutes, and Faecalibacterium had lower average relative abundances. MSM on ART had lower intestinal microbiota diversity than RHI MSM and uninfected MSM. In MSM on ART, Megasphaera and Fusobacterium increased, while Faecalibacterium and Roseburia decreased at genus level. Additionally, treatment with a non-nucleoside reverse transcriptase inhibitor (NNRTI) led to significant alterations in intestinal microbiota diversity and composition compared to RHI MSM. The random forest model showed that HIV infection biomarkers effectively distinguished between newly diagnosed HIV-infected MSM and HIV-negative MSM, with an ROC AUC of 76.24% (95% CI: 61.17-91.31%). CONCLUSIONS: MSM showed early intestinal microbiota imbalances after new HIV infection. MSM on ART experienced worsened dysbiosis, indicating a combined effect of HIV and ART. NNRTI-based treatment notably changed intestinal microbiota, suggesting a potential direct impact of NNRTI drugs on intestinal microbiota.


Subject(s)
Gastrointestinal Microbiome , HIV Infections , Homosexuality, Male , RNA, Ribosomal, 16S , Humans , Male , Gastrointestinal Microbiome/drug effects , Gastrointestinal Microbiome/genetics , HIV Infections/microbiology , HIV Infections/drug therapy , HIV Infections/complications , Adult , RNA, Ribosomal, 16S/genetics , Bacteria/classification , Bacteria/genetics , Bacteria/isolation & purification , Bacteria/drug effects , Feces/microbiology , Feces/virology , Middle Aged , HIV-1/genetics , Dysbiosis/microbiology
3.
J Int AIDS Soc ; 27(6): e26256, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38837614

ABSTRACT

INTRODUCTION: High levels of HIV stigma as well as stigma directed towards sexual and/or gender minorities (SGMs) are well documented in the African setting. These intersecting stigmas impede psychosocial wellbeing and HIV prevention and care. Yet, there are few if any evidence-based interventions that focus on reducing internalized stigma and promoting mental health and HIV wellness for SGMs in Africa. We developed and evaluated a group-based intervention drawing on cognitive behavioural therapy (CBT) strategies for men who have sex with men (MSM) and transgender women (TGW) at risk for or living with HIV in Lagos, Nigeria. METHODS: The intervention comprised four weekly in-person group sessions facilitated by community health workers. We conducted a delayed intervention group randomized controlled trial (April-September 2022), with pre-post surveys plus 3-month follow-up (immediate group only), as well as qualitative research with participants and programme staff. Outcomes included internalized stigma related to SGM and HIV status, depression, resiliency/coping and pre-exposure prophylaxis (PrEP)/HIV treatment use. RESULTS: Mean age of the 240 participants was 26 years (range 18-42). Seventy-seven percent self-identified as MSM and 23% TGW; 27% were people with HIV. Most (88%) participants attended all four sessions, and 98% expressed high intervention satisfaction. There was significant pre-post improvement in each psychosocial outcome, in both the immediate and delayed arms. There were further positive changes for the immediate intervention group by 3-month follow-up (e.g. in intersectional internalized stigma, depression). While baseline levels of ever-PrEP use were the same, 75% of immediate-group participants reported currently using PrEP at 3 months post-intervention versus 53% of delayed-group participants right after the intervention (p<0.01). Participants post-intervention described (in qualitative interviews) less self-blame, and enhanced social support and resilience when facing stigma, as well as motivation to use PrEP, and indicated that positive pre-intervention changes in psychosocial factors found in the delayed group mainly reflected perceived support from the study interviewers. CONCLUSIONS: This study demonstrated the feasibility and acceptability of a group-based CBT model for MSM and TGW in Nigeria. There were also some indications of positive shifts related to stigma, mental health and PrEP, despite issues with maintaining the randomized design in this challenging environment.


Subject(s)
HIV Infections , Sexual and Gender Minorities , Social Stigma , Humans , Nigeria , Male , HIV Infections/prevention & control , HIV Infections/psychology , Adult , Female , Sexual and Gender Minorities/psychology , Young Adult , Mental Health , Adolescent , Cognitive Behavioral Therapy/methods , Homosexuality, Male/psychology , Pre-Exposure Prophylaxis
4.
PLoS One ; 19(6): e0289905, 2024.
Article in English | MEDLINE | ID: mdl-38837972

ABSTRACT

Despite significant progress in Ghana's HIV response, disparities in HIV prevalence persist among different populations. Gays, bisexuals, and other men who have sex with men (GBMSM) in the country remain vulnerable to HIV infection due to high levels of stigma and discrimination, limited access to healthcare services, and low HIV knowledge levels. While limited studies focus on HIV prevention and care in the Ghanaian GBMSM context, we did not find studies on GBMSM in slums. We, therefore, explored stigma and motivations of HIV testing among GBMSM in slums. In collaboration with our community partners, we recruited and conducted face-to-face interviews among 12 GBMSM from slums in Accra and Kumasi, Ghana. Our multiple-reviewer summative content analysis identified the following: under HIV stigma, we identified two categories, avoidance of GBMSM living with HIV and fear of testing positive for HIV. Under motivations for HIV testing, we identified three categories; HIV vulnerability, knowing one's HIV status, and positive messaging about HIV. Our findings provide valuable insights into stigma and motivations for HIV testing among GBMSM in Ghanaian slums. They also highlight the importance of targeted HIV education interventions to empower GBMSM to take responsibility for their sexual health and address the unique challenges they face accessing HIV testing services.


Subject(s)
HIV Infections , HIV Testing , Homosexuality, Male , Motivation , Poverty Areas , Social Stigma , Humans , Male , Ghana/epidemiology , HIV Infections/psychology , HIV Infections/diagnosis , HIV Infections/epidemiology , Adult , Homosexuality, Male/psychology , Sexual and Gender Minorities/psychology , Young Adult , Middle Aged , Bisexuality/psychology
5.
Psychiatr Pol ; 58(1): 183-199, 2024 Feb 28.
Article in English, Polish | MEDLINE | ID: mdl-38852188

ABSTRACT

OBJECTIVES: Some studies suggest that homosexual identity, compared to heterosexual, may be associated with a reduced risk of premature ejaculation (PE). The aim of this study was to test this relationship and to investigate possible underlaying mechanisms. METHODS: The present study drew on a database obtained from a cross-sectional online study of the sexuality of Polish heterosexual (HM; N = 1,121), gay (GM; N = 1,789) and bisexual (BM; N = 743) men. The dependent variable was the PE diagnosis based on the PEDT questionnaire. The explanatory variables were characteristics of sexual and partnership patterns, health and minority stress among GM and BM. Statistical one- and multifactor analyses were performed. RESULTS: Homosexual identity proved to be an independent negative predictor of PE diagnosis. The preference for insertive penetration activity (including vaginal), performance anxiety and financial difficulties increased the risk of PE, while the experience of insertive and receptive forms of oral and anal sex but not vaginal sex, a higher level of education, better general sexual functioning and regular physical activity reduced such risk. The predictive meaning of homosexual identity has not been present in multifactor models for group of men in relationships. CONCLUSIONS: Homosexual identity is associated with a lower risk of PE diagnosis. This may be due to the differences in sexualities of GM and HM, as well as other psychosocial factors.


Subject(s)
Premature Ejaculation , Humans , Male , Premature Ejaculation/psychology , Premature Ejaculation/epidemiology , Adult , Cross-Sectional Studies , Poland , Homosexuality, Male/psychology , Homosexuality, Male/statistics & numerical data , Sexual Behavior/psychology , Sexual Behavior/statistics & numerical data , Young Adult , Sexual Partners/psychology , Middle Aged , Surveys and Questionnaires , Risk Factors , Heterosexuality/psychology , Heterosexuality/statistics & numerical data , Bisexuality/psychology , Bisexuality/statistics & numerical data
6.
J Med Microbiol ; 73(6)2024 Jun.
Article in English | MEDLINE | ID: mdl-38833520

ABSTRACT

Introduction. ListerineÒ is a bactericidal mouthwash widely used to prevent oral health problems such as dental plaque and gingivitis. However, whether it promotes or undermines a healthy oral microbiome is unclear.Hypothesis/Gap Statement. We hypothesized that the daily use of Listerine Cool Mint would have a significant impact on the oropharyngeal microbiome.Aim. We aimed to assess if daily usage of Listerine Cool Mint influenced the composition of the pharyngeal microbiome.Methodology. The current microbiome substudy is part of the Preventing Resistance in Gonorrhoea trial. This was a double-blind single-centre, crossover, randomized controlled trial of antibacterial versus placebo mouthwash to reduce the incidence of gonorrhoea/chlamydia/syphilis in men who have sex with men (MSM) taking HIV pre-exposure prophylaxis (PrEP). Fifty-nine MSM taking HIV PrEP were enrolled. In this crossover trial, participants received 3 months of daily Listerine followed by 3 months of placebo mouthwash or vice versa. Oropharyngeal swabs were taken at baseline and after 3 months use of each mouthwash. DNA was extracted for shotgun metagenomic sequencing (Illumina Inc.). Non-host reads were taxonomically classified with MiniKraken and Bracken. The alpha and beta diversity indices were compared between baseline and after each mouthwash use. Differentially abundant bacterial taxa were identified using ANOVA-like differential expression analysis.Results. Streptococcus was the most abundant genus in most samples (n = 103, 61.7 %) with a median relative abundance of 31.5% (IQR 20.6-44.8), followed by Prevotella [13.5% (IQR 4.8-22.6)] and Veillonella [10.0% (IQR 4.0-16.8)]. Compared to baseline, the composition of the oral microbiome at the genus level (beta diversity) was significantly different after 3 months of Listerine (P = 0.006, pseudo-F = 2.29) or placebo (P = 0.003, pseudo-F = 2.49, permutational multivariate analysis of variance) use. Fusobacterium nucleatum and Streptococcus anginosus were significantly more abundant after Listerine use compared to baseline.Conclusion. Listerine use was associated with an increased abundance of common oral opportunistic bacteria previously reported to be enriched in periodontal diseases, oesophageal and colorectal cancer, and systemic diseases. These findings suggest that the regular use of Listerine mouthwash should be carefully considered.


Subject(s)
Cross-Over Studies , Microbiota , Mouthwashes , Oropharynx , Salicylates , Terpenes , Humans , Mouthwashes/administration & dosage , Mouthwashes/pharmacology , Male , Salicylates/pharmacology , Salicylates/therapeutic use , Salicylates/administration & dosage , Microbiota/drug effects , Double-Blind Method , Adult , Oropharynx/microbiology , Terpenes/administration & dosage , Terpenes/pharmacology , Drug Combinations , Homosexuality, Male , Gonorrhea/microbiology , Gonorrhea/prevention & control , HIV Infections/prevention & control , Pre-Exposure Prophylaxis/methods , Syphilis/prevention & control , Syphilis/microbiology , Bacteria/classification , Bacteria/drug effects , Bacteria/genetics , Bacteria/isolation & purification
7.
BMC Microbiol ; 24(1): 201, 2024 Jun 08.
Article in English | MEDLINE | ID: mdl-38851693

ABSTRACT

BACKGROUND: People living with HIV (PLWH) are at increased risk of acquisition of multidrug resistant organisms due to higher rates of predisposing factors. The gut microbiome is the main reservoir of the collection of antimicrobial resistance determinants known as the gut resistome. In PLWH, changes in gut microbiome have been linked to immune activation and HIV-1 associated complications. Specifically, gut dysbiosis defined by low microbial gene richness has been linked to low Nadir CD4 + T-cell counts. Additionally, sexual preference has been shown to strongly influence gut microbiome composition in PLWH resulting in different Prevotella or Bacteroides enriched enterotypes, in MSM (men-who-have-sex-with-men) or no-MSM, respectively. To date, little is known about gut resistome composition in PLWH due to the scarcity of studies using shotgun metagenomics. The present study aimed to detect associations between different microbiome features linked to HIV-1 infection and gut resistome composition. RESULTS: Using shotgun metagenomics we characterized the gut resistome composition of 129 HIV-1 infected subjects showing different HIV clinical profiles and 27 HIV-1 negative controls from a cross-sectional observational study conducted in Barcelona, Spain. Most no-MSM showed a Bacteroides-enriched enterotype and low microbial gene richness microbiomes. We did not identify differences in resistome diversity and composition according to HIV-1 infection or immune status. However, gut resistome was more diverse in MSM group, Prevotella-enriched enterotype and gut micorbiomes with high microbial gene richness compared to no-MSM group, Bacteroides-enriched enterotype and gut microbiomes with low microbial gene richness. Additionally, gut resistome beta-diversity was different according to the defined groups and we identified a set of differentially abundant antimicrobial resistance determinants based on the established categories. CONCLUSIONS: Our findings reveal a significant correlation between gut resistome composition and various host variables commonly associated with gut microbiome, including microbiome enterotype, microbial gene richness, and sexual preference. These host variables have been previously linked to immune activation and lower Nadir CD4 + T-Cell counts, which are prognostic factors of HIV-related comorbidities. This study provides new insights into the relationship between antibiotic resistance and clinical characteristics of PLWH.


Subject(s)
Gastrointestinal Microbiome , HIV Infections , Humans , HIV Infections/microbiology , HIV Infections/virology , HIV Infections/complications , Gastrointestinal Microbiome/genetics , Male , Adult , Cross-Sectional Studies , Female , Middle Aged , Metagenomics , HIV-1/genetics , HIV-1/drug effects , Prevotella/genetics , Prevotella/isolation & purification , Spain , Dysbiosis/microbiology , Feces/microbiology , Feces/virology , Sexual Behavior , Bacteria/genetics , Bacteria/classification , Bacteria/drug effects , Bacteria/isolation & purification , Homosexuality, Male
8.
BMC Public Health ; 24(1): 1307, 2024 May 14.
Article in English | MEDLINE | ID: mdl-38745217

ABSTRACT

BACKGROUND: In Guangdong Province, China, there is lack of information on the HIV epidemic among high-risk groups and the general population, particularly in relation to sexual transmission, which is a predominant route. The new HIV infections each year is also uncertain owing to HIV transmission from men who have sex with men (MSM) to women, as a substantial proportion of MSM also have female sexual partnerships to comply with social demands in China. METHODS: A deterministic compartmental model was developed to predict new HIV infections in four risk groups, including heterosexual men and women and low- and high-risk MSM, in Guangdong Province from 2016 to 2050, considering HIV transmission from MSM to women. The new HIV infections and its 95% credible interval (CrI) were predicted. An adaptive sequential Monte Carlo method for approximate Bayesian computation (ABC-SMC) was used to estimate the unknown parameter, a mixing index. We calibrated our results based on new HIV diagnoses and proportions of late diagnoses. The Morris and Sobol methods were applied in the sensitivity analysis. RESULTS: New HIV infections increased during and 2 years after the COVID-19 pandemic, then declined until 2050. New infections rose from 8,828 [95% credible interval (CrI): 6,435-10,451] in 2016 to 9,652 (95% CrI: 7,027-11,434) in 2019, peaking at 11,152 (95% CrI: 8,337-13,062) in 2024 before declining to 7,084 (95% CrI: 5,165-8,385) in 2035 and 4,849 (95% CrI: 3,524-5,747) in 2050. Women accounted for approximately 25.0% of new HIV infections, MSM accounted for 40.0% (approximately 55.0% of men), and high-risk MSM accounted for approximately 25.0% of the total. The ABC-SMC mixing index was 0.504 (95% CrI: 0.239-0.894). CONCLUSIONS: Given that new HIV infections and the proportion of women were relatively high in our calibrated model, to some extent, the HIV epidemic in Guangdong Province remains serious, and services for HIV prevention and control are urgently needed to return to the levels before the COVID-19 epidemic, especially in promoting condom-based safe sex and increasing awareness of HIV prevention to general population.


Subject(s)
COVID-19 , HIV Infections , Humans , China/epidemiology , HIV Infections/epidemiology , HIV Infections/transmission , HIV Infections/prevention & control , Male , Female , COVID-19/epidemiology , COVID-19/prevention & control , Bayes Theorem , Homosexuality, Male/statistics & numerical data , Adult , Models, Statistical
9.
Int J Public Health ; 69: 1606658, 2024.
Article in English | MEDLINE | ID: mdl-38742100

ABSTRACT

Objectives: This study aimed to adapt and validate the HIV PrEP Stigma Scale (HPSS) in French and German languages (HPSS-FR/DE) and assess its applicability across diverse linguistic and cultural contexts. Methods: The original scale was adapted to French and German and administered through an online survey in multiple European nations. A four-factor structure was extracted from the data, including negative social consequences, social pressure, self-support, and external support. The scale's construct validity, reliability, and cross-linguistic consistency were evaluated. Results: The adapted HPSS-FR/DE demonstrated robust psychometric properties, good construct validity, acceptable reliability, and consistent measurement across different languages. This adaptation enhances its utility in multicultural settings, offering a comprehensive tool to assess PrEP-related stigma. Conclusion: This study provides a suitable tool to address PrEP stigma in multicultural environments to enhance PrEP uptake and adherence among men who have sex with men. Moreover, it lays the groundwork for further investigations into PrEP stigma across diverse populations and cultural settings, enabling the development of targeted public health interventions and policies to combat this issue effectively.


Subject(s)
HIV Infections , Pre-Exposure Prophylaxis , Psychometrics , Social Stigma , Humans , Male , HIV Infections/prevention & control , Adult , Reproducibility of Results , Surveys and Questionnaires , Germany , Middle Aged , Female , Homosexuality, Male/psychology , Young Adult
10.
BMC Public Health ; 24(1): 1247, 2024 May 07.
Article in English | MEDLINE | ID: mdl-38714973

ABSTRACT

BACKGROUND: Young Black gay and bisexual men (YBGBM) in the United States face significant disparities in HIV care outcomes. Mobile health (mHealth) interventions have shown promise with improving outcomes for YBGBM across the HIV care continuum. METHODS: We developed an mHealth application using human-centered design (HCD) from 2019-2021 in collaboration with YBGBM living with HIV and with HIV service providers. Our HCD process began with six focus groups with 50 YBGBM and interviews with 12 providers. These insights were used to inform rapid prototyping, which involved iterative testing and refining of program features and content, with 31 YBGBM and 12 providers. We then collected user feedback via an online survey with 200 YBGBM nationwide and usability testing of a functional prototype with 21 YBGBM. RESULTS: Focus groups and interviews illuminated challenges faced by YBGBM living with HIV, including coping with an HIV diagnosis, stigma, need for social support, and a dearth of suitable information sources. YBGBM desired a holistic approach that could meet the needs of those newly diagnosed as well as those who have been living with HIV for many years. Program preferences included video-based content where users could learn from peers and experts, a range of topics, a community of people living with HIV, and tools to support their health and well-being. Providers expressed enthusiasm for an mHealth program to improve HIV care outcomes and help them serve clients. Rapid prototyping resulted in a list of content topics, resources, video characteristics, community features, and mHealth tools to support adherence, retention, goal setting, and laboratory results tracking, as well as tools to help organization staff to support clients. Online survey and usability testing confirmed the feasibility, acceptability, and usability of the content, tools, and features. CONCLUSIONS: This study demonstrates the potential of a video-based mHealth program to address the unique needs of YBGBM living with HIV, offering support and comprehensive information through a user-friendly interface and videos of peers living with HIV and of experts. The HCD approach allowed for continuous improvements to the concept to maximize cultural appropriateness, utility, and potential effectiveness for both YBGBM and HIV service organizations.


Subject(s)
Black or African American , Continuity of Patient Care , Focus Groups , HIV Infections , Telemedicine , Humans , Male , HIV Infections/therapy , HIV Infections/psychology , Young Adult , Black or African American/psychology , Adult , Homosexuality, Male/psychology , United States , Sexual and Gender Minorities/psychology , Program Development , Adolescent
11.
Front Public Health ; 12: 1330282, 2024.
Article in English | MEDLINE | ID: mdl-38737858

ABSTRACT

Introduction: Low-level HIV epidemic settings like Singapore face the challenge of reaching men at-risk who have less contact with programmes. We investigated patterns of meeting platform use by men seeking male sexual partners (MSM) as potential marker of risk to differentiate sub-groups for interventions. Methods: Latent Class Analysis (LCA) was applied to a survey sample of MSM recruited from bars/clubs, saunas and a smartphone application, using purposive sampling. The best-fit LCA model which identified homogeneous sub-groups with similar patterns of meeting platform was factored in multivariable regression to identify associations with risk behaviors on the pathway to HIV infection. Results: Overall 1,141 MSM were recruited from bars/clubs (n = 426), saunas (n = 531), and online (n = 184). Five patterns emerged, reflecting salient platform use characteristics: Sauna-centric (SC; n = 413), App-centric (AC; n = 276), Multiple-platforms (MP; n = 123), Platform-inactive (PI; n = 257), and "Do not hook up" (DNH; n = 72) classes. Men in the SC and MP classes had high probabilities of using saunas to meet partners; SC were older and less likely to have disclosed their sexual orientation. The MP class had high probabilities of connecting across all platforms in addition to saunas and more likely to have disclosed their sexual orientation, than the PI class. Men in the SC and MP classes had twice the odds of reporting multiple sex partners (aORSC = 2.1; 95%CI: 1.33.2; aORMP = 2.2; 95%CI: 1.14.6). Single/non-partnered MSM and those using alcohol/drugs during sex had 1.7 (95%CI: 1.22.5) and 3.2 (95%CI: 2.05.1) the odds respectively, of reporting multiple sex partners. The SC and MP classes had higher odds of engaging in group sex while MSM using alcohol/drugs during sex had twice the odds of reporting group sex. Alcohol/drugs and group sex were independently associated with condomless sex (as was lower education). Group sex, alcohol/drugs during sex, disclosure of sexual orientation or being Singaporean/permanent resident were associated with recent testing for HIV. Discussion: The five distinct risk profiles identified can help tailor differentiated HIV interventions-combined with field knowledge and other prevention-to expand HIV self-testing, Pre-Exposure Prophylaxis and other services (e.g., Mpox vaccination) to sub-groups at risk.


Subject(s)
HIV Infections , Homosexuality, Male , Latent Class Analysis , Risk-Taking , Sexual Partners , Humans , Male , Singapore/epidemiology , HIV Infections/epidemiology , Adult , Homosexuality, Male/statistics & numerical data , Surveys and Questionnaires , Middle Aged , Sexual Behavior/statistics & numerical data , Young Adult , Smartphone/statistics & numerical data , Mobile Applications , Risk Factors
12.
PLoS One ; 19(5): e0302785, 2024.
Article in English | MEDLINE | ID: mdl-38768150

ABSTRACT

INTRODUCTION: The rates of gonorrhea and chlamydia have been increasing in the years preceding the COVID19 pandemic. Because most gonorrhea and chlamydia infections are located in the oropharynx and rectum for men who have sex with men (MSM), and because at-home self-collected swabs for these infections are not licensed by Health Canada or the United States Food and Drug Administration, decreased accessed to in-person care during and since the COVID19 pandemic potentially means missed case findings. OBJECTIVES: To evaluate the performance of at-home self-collected pharyngeal and rectal swabs for gonorrhea and chlamydia nucleic acid amplification testing. METHODOLOGY: All persons who contacted our Sexual Health Clinic and who had a clinical indication to complete oral and/or rectal swabs for gonorrhea and chlamydia were invited to complete at-home swabs in advance of their scheduled appointments. We mailed swabs and instructions to those who consented. Participants brought these swabs to their scheduled in clinic appointments, where we repeated the same swabs. All matching swabs were sent to the laboratory for analysis to determine concordance. RESULTS: From September 8, 2022 to July 18, 2023, we enrolled 296 eligible participants who provided 1184 swabs. For analysis, cancelled specimens and specimens with invalid results were excluded, leaving 1032 swabs for comparison. We identified 66 STI diagnoses in 47 unique participants. Overall accuracy was high (exceeding 99%), except for rectal chlamydia, which was 96.0%. While the performance of self-swabs for chlamydia was lower compared to gonorrhea, at-home swabs identified six chlamydia infections that were missed by in-clinic collected swabs (two pharyngeal, four rectal). Removing these six cases as "false positives" increased overall accuracy for chlamydia detection to 99.7% (pharyngeal) and 97.8% (rectal). CONCLUSION: Self-collected at-home swabs had good performance acceptable for gonorrhea and chlamydia nucleic acid amplification testing.


Subject(s)
Chlamydia Infections , Chlamydia trachomatis , Gonorrhea , Neisseria gonorrhoeae , Pharynx , Rectum , Specimen Handling , Humans , Chlamydia trachomatis/isolation & purification , Chlamydia trachomatis/genetics , Chlamydia Infections/diagnosis , Chlamydia Infections/microbiology , Gonorrhea/diagnosis , Gonorrhea/microbiology , Male , Neisseria gonorrhoeae/isolation & purification , Neisseria gonorrhoeae/genetics , Rectum/microbiology , Pharynx/microbiology , Specimen Handling/methods , Adult , Female , Nucleic Acid Amplification Techniques/methods , Homosexuality, Male , Middle Aged , Self Care , Young Adult
13.
Front Public Health ; 12: 1348686, 2024.
Article in English | MEDLINE | ID: mdl-38770362

ABSTRACT

Background: Men who have sex with men (MSM) face significant risks of Chlamydia trachomatis (CT) and/or Neisseria gonorrhoeae (NG) infection. Nevertheless, only limited studies have looked into the site-specific infection and clearance of CT/NG. In order to prevent transmission, it is essential to understand the underlying factors that drive infection and spontaneous clearance. Methods: A 12-week cohort study examined the association between CT/NG infection, self-clearance, and sexual behaviors among MSM. The Willingness Service recruited participants who completed weekly questionnaires and provided urine, throat, and rectal swab samples. Results: The study involved 151 men, in which 51 (33.8%) were diagnosed with CT/NG infection during the study period. HIV (OR = 11.31), kissing (OR = 1.59), receptive oral sex (OR = 36.64), and insertive anal sex (OR = 19.73) constituted significant risk factors. 100% condom use (OR = 5.78) and antibiotic (OR = 7.53) were more likely to cause spontaneous clearance. Discussion: MSM may engage in riskier sexual behaviors due to insufficient knowledge and awareness of STI prevention, leading to increased susceptibility to NG/CT. It is crucial to concentrate on enhancing health education for MSM. Conclusion: This study found that the rectum was the most prevalent site of CT/NG and sexual behavior can influence the infection. Additionally, the appropriate use of antibiotics and consistent condom use may contribute to clear spontaneously.


Subject(s)
Chlamydia Infections , Gonorrhea , Homosexuality, Male , Sexual Behavior , Humans , Male , Gonorrhea/epidemiology , Chlamydia Infections/epidemiology , China/epidemiology , Homosexuality, Male/statistics & numerical data , Adult , Prospective Studies , Incidence , Risk Factors , Sexual Behavior/statistics & numerical data , Chlamydia trachomatis/isolation & purification , Surveys and Questionnaires , Neisseria gonorrhoeae/isolation & purification , Young Adult , Middle Aged
14.
PLoS One ; 19(5): e0299587, 2024.
Article in English | MEDLINE | ID: mdl-38771788

ABSTRACT

A high prevalence of mpox in men who have sex with men and in people with HIV, plus visually striking and contagious lesions, have raised concerns for mpox stigma. 24 PCR-confirmed mpox patients were surveyed over the course of three months, utilizing an mpox stigma scale adapted from the HIV Stigma Scale plus assessment of pain, analgesic efficacy, and healthcare experiences. Participants were cis-male (100%), with male sexual partners (96%), mostly African-American (88%), and living with HIV (79%). Patients answered 4-16 of 24 (mean 10) stigma questions affirmatively, particularly related to negative effects of mpox on the LGBTQ community. 79% reported pain, most commonly of limbs and perianal area, with perianal pain being rated most severe. The most effective pain relief occurred with opioids (100% major relief, n = 2) and tecovirimat (63% major relief, 25% moderate, n = 16). Patients were satisfied with care provided at the studied clinics, but had negative experiences at all other mentioned sites.


Subject(s)
Pain , Social Stigma , Humans , Male , Adult , Middle Aged , Pain/psychology , Baltimore/epidemiology , Surveys and Questionnaires , Disease Outbreaks , Homosexuality, Male/psychology , HIV Infections/psychology , HIV Infections/epidemiology , HIV Infections/drug therapy , Female , Sexual and Gender Minorities/psychology , Young Adult
15.
Zhonghua Yu Fang Yi Xue Za Zhi ; 58(5): 686-689, 2024 May 06.
Article in Chinese | MEDLINE | ID: mdl-38715510

ABSTRACT

From June 16 to 30, 2023, men who have sex with men (MSM) who had visited Voluntary Counseling Testing (VCT) clinics in the Luohu, Futian and Nanshan districts of Shenzhen were included in this study to analyze their awareness of Mpox and the influencing factors. The mean age of the 262 MSM was (34.78±8.94) years, with the majority being unmarried (75.2%) and 79.0% confirmed to be infected with HIV. The awareness rates for five primary indicators, current status of Mpox, pathogen and source of infection, mode of transmission, population susceptibility, clinical manifestations and treatment were 68.4%, 84.7%, 60.3%, 87.8%, and 52.5%, respectively. The awareness rates for five secondary indicators, earliest transmission location (44.7%), main mode of transmission (54.2%), role of masks (46.9%), drug accessibility (46.6%), and self-limiting nature (38.2%) were all below 60%. The MSM population in Shenzhen perceived their likelihood of being infected (2.76±1.32) and discriminated against (3.87±1.26) as relatively low. The logistic analysis showed that the high school or vocational school education (OR:3.094, 95%CI:1.180-9.299), college or above education (OR:5.360, 95%CI:2.159-15.501), and higher scores on questions affecting learning or work (OR:2.196, 95%CI:1.409-3.599) were promoting factors for Mpox awareness, while higher scores on questions concerning the possibility of Mpox mortality (OR:0.591, 95%CI:0.432-0.791) was the hindering factor for Mpox awareness.


Subject(s)
HIV Infections , Health Knowledge, Attitudes, Practice , Homosexuality, Male , Male , Humans , Adult , China/epidemiology , HIV Infections/epidemiology , Surveys and Questionnaires , Middle Aged , Young Adult
16.
Rev Gastroenterol Peru ; 44(1): 35-40, 2024.
Article in Spanish | MEDLINE | ID: mdl-38734910

ABSTRACT

OBJECTIVE: To determine the prevalence and genotypic characteristics of anal papillomaviruses in HIV-positive men who have sex with men (MSM). MATERIALS AND METHODS: This is a prospective cross-sectional observational study of HIV-positive MSM at Almenara General Hospital between September 2017 and December 2018. HPV detection and typing was performed using a polymerase chain reaction technique that evaluated 21 genotypes stratified according to oncogenic risk into six low-risk and fifteen high-risk. RESULTS: we evaluated 214 HIV-positive MSM. The overall prevalence of anal infection by papillomavirus infection was 70% (150/214). 86% (129/150) were caused by high-risk genotypes, 79% (102/129) of them were affected by a two or more-papillomavirus genotype. The most frequent high-risk genotypes were HPV-16, 31% (46/150); HPV-52, 22% (33/150); HPV-33, 21% (31/150); HPV-58, 21% (31/150) and HPV-31, 20% (30/150). In addition, HPV-18 reached 7% (10/150). The most frequent low-risk genotypes were HPV-6, 30% (45/150) and HPV-11, 29% (44/150). CONCLUSIONS: Prevalence of anal papillomavirus infection in HIV-positive MSM is very high in the hospital investigated. Most of these infections occurs with high-risk oncogenic genotypes. Papillomavirus 16 was the most frequent high-risk genotype.


Subject(s)
Anus Diseases , Genotype , Homosexuality, Male , Papillomavirus Infections , Humans , Male , Cross-Sectional Studies , Papillomavirus Infections/epidemiology , Papillomavirus Infections/virology , Prevalence , Adult , Prospective Studies , Homosexuality, Male/statistics & numerical data , Middle Aged , Anus Diseases/epidemiology , Anus Diseases/virology , Papillomaviridae/genetics , HIV Infections/epidemiology , HIV Infections/complications , Young Adult
17.
Euro Surveill ; 29(19)2024 May.
Article in English | MEDLINE | ID: mdl-38726697

ABSTRACT

BackgroundIn France, lymphogranuloma venereum (LGV) testing switched from universal to selective testing in 2016.AimTo investigate changes in LGV-affected populations, we performed a nationwide survey based on temporarily reinstated universal LGV testing from 2020 to 2022.MethodsEach year, during three consecutive months, laboratories voluntarily sent anorectal Chlamydia trachomatis-positive samples from men and women to the National Reference Centre for bacterial sexually transmitted infections. We collected patients' demographic, clinical and biological data. Genovars L of C. trachomatis were detected using real-time PCR. In LGV-positive samples, the ompA gene was sequenced.ResultsIn 2020, LGV positivity was 12.7% (146/1,147), 15.2% (138/907) in 2021 and 13.3% (151/1,137) in 2022 (p > 0.05). It occurred predominantly in men who have sex with men (MSM), with rare cases among transgender women. The proportion of HIV-negative individuals was higher than that of those living with HIV. Asymptomatic rectal LGV increased from 36.1% (44/122) in 2020 to 52.4% (66/126) in 2022 (p = 0.03). Among users of pre-exposure prophylaxis (PrEP), LGV positivity was 13.8% (49/354) in 2020, 15.6% (38/244) in 2021 and 10.9% (36/331) in 2022, and up to 50% reported no anorectal symptoms. Diversity of the LGV ompA genotypes in the Paris region increased during the survey period. An unexpectedly high number of ompA genotype L1 variant was reported in 2022.ConclusionIn rectal samples from MSM in France, LGV positivity was stable, but the proportion of asymptomatic cases increased in 2022. This underscores the need of universal LGV testing and the importance of continuous surveillance.


Subject(s)
Chlamydia trachomatis , Homosexuality, Male , Lymphogranuloma Venereum , Humans , Lymphogranuloma Venereum/epidemiology , Lymphogranuloma Venereum/diagnosis , Male , Chlamydia trachomatis/genetics , Chlamydia trachomatis/isolation & purification , Homosexuality, Male/statistics & numerical data , France/epidemiology , Adult , Female , Middle Aged , Surveys and Questionnaires , Chlamydia Infections/epidemiology , Chlamydia Infections/diagnosis , Young Adult , Rectum/microbiology , Prevalence , Sexual and Gender Minorities/statistics & numerical data
18.
J Int AIDS Soc ; 27(5): e26251, 2024 May.
Article in English | MEDLINE | ID: mdl-38695100

ABSTRACT

INTRODUCTION: Simplified hepatitis C virus (HCV) diagnostic strategies have the potential to improve HCV diagnoses and treatment. We aimed to investigate the impact of simplified HCV diagnostic strategies on HCV incidence and its effect on HCV diagnosis and treatment among men who have sex with men (MSM) regardless of HIV status and use of HIV pre-exposure prophylaxis (PrEP) in Taiwan. METHODS: A compartmental deterministic model was developed to describe the natural history of HCV disease progression, the HCV care cascade and the HIV status and PrEP using among MSM. The model was calibrated to available data for HCV and HIV epidemiology and population demographics in Taiwan. We simulated the epidemic from 2004 and projected the impact of simplified testing strategies on the HCV epidemic among MSM over 2022-2030. RESULTS: Under the current testing approach in Taiwan, total HCV incidence would increase to 12.6 per 1000 person-years among MSM by 2030. Single-visit point-of-care RNA testing had the largest impact on reducing the number of new HCV infections over 2022-2030, with a 31.1% reduction (interquartile range: 24.9%-32.8%). By 2030, single-visit point-of-care HCV testing improved HCV diagnosis to 90.9%, HCV treatment to 87.7% and HCV cure to 81.5% among MSM living with HCV. Compared to status quo, prioritized simplified HCV testing for PrEP users and MSM living with diagnosed HIV had considerable impact on the broader HCV epidemic among MSM. A sensitivity analysis suggests that reinfection risk would have a large impact on the effectiveness of each point-of-care testing scenario. CONCLUSIONS: Simplified HCV diagnostic strategies could control the ongoing HCV epidemic and improve HCV testing and treatment among Taiwanese MSM. Single-visit point-of-care RNA testing would result in large reductions in HCV incidence and prevalence among MSM. Efficient risk-reduction strategies will need to be implemented alongside point-of-care testing to achieve HCV elimination among MSM in Taiwan.


Subject(s)
HIV Infections , Hepatitis C , Homosexuality, Male , Pre-Exposure Prophylaxis , Humans , Male , Taiwan/epidemiology , Homosexuality, Male/statistics & numerical data , Pre-Exposure Prophylaxis/methods , HIV Infections/diagnosis , HIV Infections/prevention & control , HIV Infections/epidemiology , Hepatitis C/diagnosis , Hepatitis C/epidemiology , Hepatitis C/prevention & control , Incidence , Adult , Epidemics/prevention & control , Middle Aged , Young Adult
19.
J Int AIDS Soc ; 27(5): e26242, 2024 May.
Article in English | MEDLINE | ID: mdl-38695517

ABSTRACT

INTRODUCTION: Men who have sex with men (MSM), especially those living with HIV, are at an increased risk of anal cancer. The prevalence and incidence of its precursor, anal high-grade squamous intraepithelial lesions (HSILs), among MSM who started antiretroviral therapy during acute HIV acquisition are yet to be explored. METHODS: Participants in an acute HIV acquisition cohort in Bangkok, Thailand, who agreed to take part in this study, were enrolled. All participants were diagnosed and started antiretroviral therapy during acute HIV acquisition. Human papillomavirus (HPV) genotyping and high-resolution anoscopy, followed by anal biopsy as indicated, were done at baseline and 6-monthly visits. RESULTS: A total of 89 MSM and four transgender women were included in the analyses. Median age at enrolment was 26 years. Baseline prevalence of histologic anal HSIL was 11.8%. With a total of 147.0 person-years of follow-up, the incidence of initial histologic anal HSIL was 19.7 per 100 person-years. Factors associated with incident anal HSIL were anal HPV 16 (adjusted hazards ratio [aHR] 4.33, 95% CI 1.03-18.18), anal HPV 18/45 (aHR 6.82, 95% CI 1.57-29.51), other anal high-risk HPV (aHR 4.23, 95% CI 1.27-14.14), syphilis infection (aHR 4.67, 95% CI 1.10-19.90) and CD4 count <350 cells/mm3 (aHR 3.09, 95% CI 1.28-7.48). CONCLUSIONS: With antiretroviral therapy initiation during acute HIV acquisition, we found the prevalence of anal HSIL among cisgender men and transgender women who have sex with men to be similar to those without HIV. Subsequent anal HSIL incidence, although lower than that of those with chronic HIV acquisition, was still higher than that of those without HIV. Screening for and management of anal HSIL should be a crucial part of long-term HIV care for all MSM.


Subject(s)
HIV Infections , Homosexuality, Male , Squamous Intraepithelial Lesions , Transgender Persons , Humans , Thailand/epidemiology , Male , Adult , HIV Infections/drug therapy , HIV Infections/epidemiology , HIV Infections/complications , Prevalence , Transgender Persons/statistics & numerical data , Incidence , Female , Homosexuality, Male/statistics & numerical data , Squamous Intraepithelial Lesions/epidemiology , Squamous Intraepithelial Lesions/pathology , Young Adult , Anus Neoplasms/epidemiology , Papillomaviridae/isolation & purification , Papillomaviridae/genetics , Papillomavirus Infections/epidemiology , Cohort Studies , Biopsy , Genotype , Anal Canal/pathology , Anal Canal/virology
20.
Am J Mens Health ; 18(3): 15579883231218580, 2024.
Article in English | MEDLINE | ID: mdl-38700239

ABSTRACT

Alcohol misuse is a significant health concern among gay, bisexual, same-gender-loving, and other men who have sex with men (MSM). Yet, little is known about the severity and predictors of alcohol misuse among self-reported young Black MSM. This study aimed to identify patterns of and factors associated with alcohol misuse in a sample of young Black MSM living in New York City. Baseline data from a randomized controlled trial aimed at improving the uptake of HIV testing among 250 MSM aged 18 to 29 were analyzed. Log-binominal regression analyses were conducted to assess the association of demographic and psychosocial factors with alcohol misuse in the past year and past 3 months among young Black MSM. Overall, 33.2% and 28.0% of young Black MSM in the study experienced alcohol misuse in the past year and past 3 months, respectively. In the adjusted model, factors positively associated with past-year alcohol misuse included marijuana use, a history of drug use, and having one-two or more than two male sex partners. Likewise, participants who used marijuana and those with one-two or more than two male partners were more likely to report past 3-month alcohol misuse. No significant association was found between positive screening for depressive symptoms, chemsex, internalized homophobia, and the likelihood of having alcohol misuse. The high prevalence of alcohol misuse underscores the importance of raising awareness of alcohol misuse and designing alcohol risk reduction programs that jointly address HIV risk among young Black MSM.


Subject(s)
Black or African American , Homosexuality, Male , Humans , Male , New York City/epidemiology , Homosexuality, Male/statistics & numerical data , Homosexuality, Male/psychology , Adult , Young Adult , Black or African American/statistics & numerical data , Black or African American/psychology , Adolescent , Alcoholism/epidemiology , Risk Factors
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