The dire sexual health crisis among MSM in the Philippines: an exploding HIV epidemic in the absence of essential health services

Reconstructing the phylodynamic history and geographic spread of the CRF01_AE-predominant HIV-1 epidemic in the Philippines from PR/RT sequences sampled from 2008 to 2018

The Philippines has had a rapidly growing human immunodeficiency virus (HIV) epidemic with a shift in the prevalent subtype from B to CRF01_AE. However, the phylodynamic history of CRF01_AE in the Philippines has yet to be reconstructed. We conducted a descriptive retrospective study reconstructing the history of HIV-1 CRF01_AE transmissions in the Philippines through molecular epidemiology. Partial polymerase sequences (n = 1144) collected between 2008 and 2018 from three island groups were collated from the Research Institute for Tropical Medicine drug resistance genotyping database. Estimation of the time to the most recent common ancestor (tMRCA), effective reproductive number (Re), effective viral population size (Ne), relative migration rates, and geographic spread of CRF01_AE was performed with BEAST. Re and Ne were compared between CRF01_AE and B. Most CRF01_AE sequences formed a single clade with a tMRCA of June 1996 [95 per cent highest posterior density (HPD): December 1991, October 1999]. An increasing CRF01_AE Ne was observed from the tMRCA to 2013. The CRF01_AE Re reached peaks of 2.46 [95 per cent HPD: 1.76, 3.27] in 2007 and 2.52 [95 per cent HPD: 1.83, 3.34] in 2015. A decrease of CRF01_AE Re occurred in the intervening years of 2007 to 2011, reaching as low as 1.43 [95 per cent HPD: 1.06, 1.90] in 2011, followed by a rebound. The CRF01_AE epidemic most likely started in Luzon and then spread to the other island groups of the country. Both CRF01_AE and Subtype B exhibited similar patterns of Re fluctuation over time. These results characterize the subtype-specific phylodynamic history of the largest CRF01_AE cluster in the Philippines, which contextualizes and may inform past, present, and future public health measures toward controlling the HIV epidemic in the Philippines.

Divergent Perspectives of Filipino PLWH, Their Partners, and Care Providers on Sexuality After an HIV Diagnosis: A Q-Methodological Analysis

ABSTRACT

This study explores the perspectives that Filipinos with professional and personal experience with people living with HIV hold about sexuality after an HIV diagnosis. Twenty people living with HIV (PLWH), 11 partners of PLWH, and 10 HIV care professionals in the Philippines were asked to rank-order 54 statements about sexuality post-HIV diagnosis. They shared the reasoning behind their rankings on an online survey platform. By-person factor analysis was done, with factors extracted based on principal component analysis followed by varimax rotation. The analysis yielded six factors with 22 males' and 3 females' Q-sorts exemplifying the views regarding sexuality post-HIV diagnosis: to be human, is to be sexual; information is power; fear of being othered; partnership for enhanced sexuality; disclosure and trust; and communication is foundational. This study revealed diverse viewpoints about sexuality after an HIV diagnosis. HIV care professionals play a decisive role in addressing concerns relating to the sexual health and well-being of newly diagnosed PLWH.

Outcomes of a community-led online-based HIV self-testing demonstration among cisgender men who have sex with men and transgender women in the Philippines during the COVID-19 pandemic: a retrospective cohort study

Introduction

The Philippines, which has the fastest rising HIV epidemic globally, has limited options for HIV testing and its uptake remains low among cisgender men who have sex with men (cis-MSM) and transgender women (TGW), especially amid the COVID-19 pandemic. As HIV self-testing (HIVST) and technology-based approaches could synergize to expand uptake of HIV testing, we aimed to evaluate the outcomes of a community-led online-based HIVST demonstration and to explore factors associated with HIVST-related behaviours and outcomes.

Methods

We did a secondary data analysis among cis-MSM and TGW who participated in the HIVST demonstration, who were recruited online and tested out-of-facility, in Western Visayas, Philippines, from March to November 2020. We reviewed data on demographics, sexuality-, and context-related variables. Using multivariable logistic regression, we tested for associations between the aforementioned covariates and two primary outcomes, opting for directly-assisted HIVST (DAH) and willingness to secondarily distribute kits.

Results

HIVST kits were distributed to 647 individuals (590 cis-MSM, 57 TGW), 54.6% were first-time testers, 10.4% opted DAH, and 46.1% were willing to distribute to peers. Reporting rate was high (99.3%) with 7.6% reactivity rate. While linkage to prevention (100%) and care (85.7%) were high, pre-exposure prophylaxis (PrEP) (0.3%) and antiretroviral therapy (ART) (51.0%) initiation were limited. There were no reports of adverse events. Those who were employed, had recent anal intercourse, opted for DAH, not willing to secondarily distribute, and accessed HIVST during minimal to no quarantine restriction had significantly higher reactivity rates. Likelihood of opting for DAH was higher among those who had three or more partners in the past year (aOR = 2.01 [CI = 1.01–4.35]) and those who accessed during maximal quarantine restrictions (aOR = 4.25 [CI = 2.46–7.43]). Odds of willingness to share were higher among those in urban areas (aOR = 1.64 [CI = 1.15–2.36]) but lower among first-time testers (aOR = 0.45 [CI = 0.32–0.62]).

Conclusions

HIVST could effectively reach hard-to-reach populations. While there was demand in accessing online-based unassisted approaches, DAH should still be offered. Uptake of PrEP and same-day ART should be upscaled by decentralizing these services to community-based organizations. Differentiated service delivery is key to respond to preferences and values of key populations amid the dynamic geographical and sociocultural contexts they are in.

Phylodynamic analysis reveals changing transmission dynamics of HIV-1 CRF01_AE in Japan from heterosexuals to men who have sex with men

BACKGROUND

HIV-1 circulating recombinant form (CRF) 01_AE is the second major subtype in Japan. Our previous study indicated that CRF01_AE was predominantly circulating in heterosexuals/injecting drug users (IDUs). With implications of increased CRF01_AE infections among men who have sex with men (MSM), this study sought to investigate whether the transmission dynamics of CRF01_AE infections in Japan have changed.

METHODS

Sequences from 8032 newly diagnosed HIV-1-infected individuals were analysed. For 614 (7.6%) of CRF01_AE cases, clusters were identified and categorised by transmission risks. Median times to the most recent common ancestors (tMRCA) were estimated.

RESULTS

The individuals were predominantly Japanese (64%) and male (72%). MSM became the predominant transmission risk from 2014. Thirty transmission clusters (TCs) and 48 pairs, including 40% of individuals, were identified. MSM were approximately five times more likely to be in a TC compared to heterosexuals, and were the major contributors to TCs. tMRCA data suggest that MSM TCs emerged from 1996 and became predominant around 2000.

CONCLUSIONS

CRF01_AE has spread among MSM, with frequent and continuous cluster formations, and MSM has become the predominant transmission risk. Our study suggested that CRF01_AE transmission has shifted from heterosexuals/IDUs to MSM. Prevention measures targeting key populations should be considered for controlling CRF01_AE spread.

'It's like getting an Uber for sex': social networking apps as spaces of risk and opportunity in the Philippines among men who have sex with men

The HIV epidemic in the Philippines has been expanding rapidly, with most newly diagnosed cases occurring among 'men who have sex with men' (MSM). New social contexts of HIV are evident in the evolving phenomenon of more MSM seeking partners online via social networking applications ('apps'). This study examines findings from a virtual ethnography of app use among MSM, focus group discussions with community-based healthcare workers, and key informant interviews with healthcare workers, policymakers and researchers in Metro Manila. We argue that participants viewed the expanding epidemic and apps as intimately linked, regarding the apps as 'risky spaces' for 'risky behaviour'. However, such narratives neglected the agentive capabilities of the apps and how they have transformed sexual practice, creating new ways of being as sexual subjects, while perpetuating old imaginaries among healthcare workers of 'hard-to-reach' populations. Such narratives of 'risk' have led to new interventions by healthcare workers on the apps, viewing these technologies as opportunities to reach more MSM for health promotion. However, the interventions have created new complexities by reconfiguring boundaries with target populations. By conducting community-based outreach through encouraging behaviour change in one-to-one interactions with app users, the potential impact of these interventions is limited.

Plasma Levels of a Cleaved Form of Galectin-9 Are the Most Sensitive Biomarkers of Acquired Immune Deficiency Syndrome and Tuberculosis Coinfection

Acquired immunodeficiency syndrome (AIDS) complicated with tuberculosis (TB) is a global public issue. Due to the paucity of bacteria in AIDS/TB, blood-based biomarkers that reflect disease severity are desired. Plasma levels of matricellular proteins, such as osteopontin (OPN) and galectin-9 (Gal-9), are known to be elevated in AIDS and TB. Therefore, full-length (FL)-Gal9 and FL-OPN, and their truncated forms (Tr-Gal9, Ud-OPN), and 38 cytokines/chemokines were measured in the plasma of 24 AIDS (other than TB), 49 TB, and 33 AIDS/TB patients. Receiver-operating characteristic analysis was used to screen molecules that could distinguish either between disease and normal group, among each disease group, or between deceased patients and survivors. Selected molecules were further analyzed for significant differences. Tr-Gal9 had the highest ability to differentiate TB from AIDS or AIDS/TB, while Ud-OPN distinguished multidrug resistance (MDR)-TB from non-MDR TB, and extra-pulmonary TB from pulmonary TB. Molecules significantly elevated in deceased patients included; FL-Gal9, Tr-Gal9, interleukin (IL)-1 receptor antagonist, IL-17A and transforming growth factor-α in AIDS; IL-6, granulocyte colony-stimulating factor and monocyte chemotactic protein-1 in TB; and macrophage inflammatory protein-1β in AIDS/TB. From the sensitivity, specificity, and significant elevation, Tr-Gal9 is the best biomarker of inflammation and severity in AIDS and AIDS/TB.

Is the Philippines ready for HIV self-testing?

BACKGROUND

The Philippines is facing a rapidly rising HIV epidemic among young men who have sex with men (MSM). Testing rates among young populations is poor. HIV self-testing (HIVST) is a promising strategy to address this testing gap. The study's purpose was to explore the perceived acceptability, feasibility and programmatic challenges of HIVST among key informants and target users.

METHOD

A qualitative study involving semi-structured interviews and focus group discussions (FGD). We interviewed 15 key informants involved with HIV testing programs or policies and 42 target users in six FGD in Metro Manila. We held separate discussions with high socio-economic MSM (n = 12), urban poor MSM (n = 15) and transgender women (TGW) (n = 15). Results were analysed using a thematic framework approach.

RESULTS

MSM and TGW welcomed the convenience and privacy HIVST could provide. They preferred an inexpensive accurate blood-based kit attained from reputable sites. Key informants at national and local level equally welcomed HIVST but identified a number of policy and regulatory issues. Both groups articulated the challenge of enrolling those who test reactive using HIVST to further testing and treatment in an environment characterised by acute stigma around HIV.

CONCLUSIONS

HIVST was found to be highly acceptable to target users and was welcomed as an additional testing approach at national level. Strategic alliances are now needed between stakeholders to proactively deliver a patient-centred HIVST program that could provide an effective, safe means of increasing testing coverage in this escalating context.

Going global: the adoption of the World Health Organization's enabling recommendation on oral pre-exposure prophylaxis for HIV

In September 2015, the World Health Organization (WHO) launched evidence-based guidelines by recommending that any person at substantial HIV risk should be offered oral pre-exposure prophylaxis (PrEP) containing tenofovir disoproxil fumarate (TDF) as an additional prevention choice. Since 2017, PrEP medicines have also been listed in the WHO's Essential Medicines List, including TDF/emtricitabine (FTC) and TDF in combination with lamivudine (3TC). A descriptive policy review and analysis of countries adopting WHO's 2015 recommendation on oral PrEP was conducted. As of June 2018, we identified 35 countries that had some type of policy on oral PrEP, and an additional five countries where a specific policy on PrEP is currently pending. A total of 19 high-income countries (HICs) and 21 low- and middle-income countries (LMICs) have adopted or have a pending policy. Most countries that have adopted or pending PrEP are in the European (42.9%) or African (30.0%) region. TDF/FTC is the most commonly recommended PrEP drug in the guidelines reviewed, although seven countries, namely in sub-Saharan Africa (6/7), are also recommending the use of TDF/3TC for PrEP. In sum, by the end of 2018, at least 40 countries (20.6%) are anticipated to have adopted WHO's oral PrEP recommendation. Nonetheless, policy uptake does not reflect broader programmatic coverage of PrEP services, which remain limited across all settings, irrespective of income status. Enhancing global partnerships is needed to support and track ongoing policy adoption and to ensure that policy is translated into meaningful implementation of PrEP services.

Putting the "where" in HIV care: Unpacking narratives of antiretroviral therapy adherence among HIV-Positive men who have sex with men

This study explores the spatial constitution of adherence to antiretroviral therapy (ART) by recasting therapeutic landscapes (Gesler, 1992) and how it structures the exercise of expressive agency (Bowden, 2014). Engagement in antiretroviral therapy among HIV-positive men who have sex with men (MSM) is contextualized within the discursive-materiality of emplaced assemblages for HIV Care in the Philippines. Combining qualitative data from field visits and semi-structured interviews, three key spatial narratives were derived illustrating how adherence to ART unfolds in place: (a) an unwelcoming treatment hub, (b) an unsafe and safe home, and (c) a constraining workplace. The results illustrate the spatial, multilayered barriers to ART adherence proposing insights for the theorization of adherence as an emplaced process and the implications of using of place-based interventions in resource-limited countries beyond the discourse of free service and availability.

Trends and emerging directions in HIV risk and prevention research in the Philippines: A systematic review of the literature

BACKGROUND

The Philippines is experiencing one of the fastest growing epidemics globally. Evidence-based public health policies are needed. To describe the public health literature on HIV risk groups and prevention approaches in the Philippines, we reviewed published empirical studies with HIV-related outcomes.

METHODS

Based on an a priori systematic review protocol, we searched PubMed, PsycINFO and CINAHL databases for quantitative studies conducted in the Philippines that reported on HIV risk groups factors and interventions to prevent HIV. The search included studies published as of April 2018.

RESULTS

We identified 755 records, screened 699 unique titles and abstracts, and conducted full text review of 122 full reports of which 51 articles met inclusion criteria. The majority were cross-sectional studies describing HIV and STI prevalence and risk factors in samples recruited from the Philippines. Four HIV prevention programs conducted in the Philippines were identified, all of which reported improvements on HIV knowledge, attitudes, and behaviors. Overall, female sex workers (FSWs) constituted the primary study population, and few studies reported data from men who have sex with men (MSM), people who inject drugs (PWIDs), and youth. No studies reported on transgender populations. Most studies were focused on examining condom use-related outcomes and STI history, few had biomarkers for HIV, and none addressed biomedical HIV prevention strategies.

CONCLUSION

This review identifies an agenda for future HIV research that is needed to address the growing and shifting nature of the HIV epidemic in the Philippines.

"An Evil Lurking Behind You": Drivers, Experiences, and Consequences of HIV-Related Stigma Among Men Who Have Sex With Men With HIV in Manila, Philippines

The Philippines has a rapidly growing HIV epidemic, with men who have sex with men (MSM) accounting for a majority of known cases. Currently, there is little understanding about MSM's experiences of HIV-related stigma in the Philippines and how they influence behavior and quality of life. Twenty-one interviews with MSM living with HIV and with communitybased organization workers were conducted in Manila from June to August 2017. MSM participants were affected by the intersection of HIV-related stigma and stigma toward homosexuality that are rooted in connotations of morality, "dirtiness," and sin. We identified specific patterns by which MSM living with HIV experienced enacted, felt, and internalized stigma and discuss implications of stigma for mental health, delays in HIV testing, and avoidance of HIV health services. Findings support the development of public health strategies in the Philippines that address stigma at societal and individual levels to reduce stigma-related harms.

"I am not promiscuous enough!": Exploring the low uptake of HIV testing by gay men and other men who have sex with men in Metro Manila, Philippines

The Philippines faces a severe HIV epidemic among gay and other men who have sex with men (MSM). HIV testing uptake remains low. A case series of 12 men from Metro Manila were interviewed to explore barriers to uptake of HIV testing services. Most did not see the need to get tested for HIV despite significant risk, based on the misconception they were feeling well or showed no symptoms. Being of a higher socioeconomic class, feeling morally superior to other gay men, distance of the testing facility, fear of what will happen once infected, fear of HIV- and sexual stigma, fear of side effects of antiretroviral drugs and fear of high health care expenses after testing positive for HIV were key reasons why MSM kept postponing their test. Misconceptions about HIV risk, disease, and treatment and care need to be addressed in order to increase uptake of HIV services in this population.

Development of Point-of-Care Testing for Disaster-Related Infectious Diseases

After disaster, the victims lose their safe lives and are even exposed to nature where they could suffer from animal bites and vectors followed by suffering from zoonosis or vector-born diseases. Because of the urgent need for rapid and cheap diagnosis for infectious diseases after disaster, anonymous questionnaire clarified that leptospirosis, dengue, diarrhea, and cholera were recognized as common disaster-related infections in the Philippines, while diarrhea and pneumonia were more common in Indonesia. It should also be noted that infectious disease itself such as tuberculosis associated with acquired immune deficiency syndrome in South Africa is a disaster. Thus, the possible occurrence of similar situation in Asia should be prevented. We have conducted an international collaborative research in the Philippines and Indonesia on dengue virus, leptospira and mycobacterium tuberculosis (MTB) infectious diseases. Development of point-of-care testing for molecular diagnosis and disease severity was the principal purpose of the research. Loop-mediated isothermal amplification assay, which does not require a source of electricity, was developed for leptospirosis, dengue and MTB and has been proved to be useful where resource is limited. The plasma levels of matricellular proteins, including galectin-9 and osteopontin, were found to reflect the disease severities in dengue virus and MTB infection, probably because matricellular proteins are one of the most functional extracellular proteins that are associated with inflammatory edema. The study on disaster-related infectious disease facilitates the international cooperation for development of point-of-care testing for tropical infectious diseases.