Hamid Vega-Ramírez

ORCID: 0000-0003-0390-9992
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About
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Research Areas
  • HIV/AIDS Research and Interventions
  • HIV, Drug Use, Sexual Risk
  • Sex work and related issues
  • LGBTQ Health, Identity, and Policy
  • Adolescent Sexual and Reproductive Health
  • Sexuality, Behavior, and Technology
  • COVID-19 and Mental Health
  • Reproductive Health and Technologies
  • Healthcare professionals’ stress and burnout
  • Long-Term Effects of COVID-19
  • Sex and Gender in Healthcare
  • HIV/AIDS drug development and treatment
  • Health disparities and outcomes
  • Attention Deficit Hyperactivity Disorder
  • COVID-19 and healthcare impacts
  • Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Intimate Partner and Family Violence
  • Autism Spectrum Disorder Research
  • HIV Research and Treatment
  • Renal Transplantation Outcomes and Treatments
  • Mental Health Treatment and Access
  • Adolescent and Pediatric Healthcare
  • Gender Roles and Identity Studies
  • Ethics and Legal Issues in Pediatric Healthcare
  • Resilience and Mental Health

Instituto Nacional de Psiquiatría
2019-2025

Sexual Health Clinic
2022

Fundação Oswaldo Cruz
2022

Escola Nacional de Saúde Pública
2022

Universidad Peruana Cayetano Heredia
2022

Instituto Nacional de Salud Pública
2022

Universidad Nacional Autónoma de México
2020

Hospital de Especialidades
2016

Gheskio Centers
2015

Hospital General de México
2015

Objective: The mental health problems and perceived needs of healthcare workers involved with coronavirus disease (COVID-19) may vary due to individual contextual characteristics. objective this study was evaluate workers' during the common COVID-19 exposure scenario in Mexico, comparing those on frontline other according gender profession, determining main risk factors for most frequent problems. Methods: A cross-sectional online conducted a non-probabilistic sample 5,938 Mexican who...

10.1590/1516-4446-2020-1346 article EN cc-by-nc Brazilian Journal of Psychiatry 2020-12-18

HIV disproportionally affects key populations including men who have sex with (MSM). prevalence among MSM varies from 17% in Brazil and Mexico to 13% Peru, whereas it is below 0.5% for the general population each country. Pre-exposure prophylaxis (PrEP) emtricitabine/tenofovir being implemented context of combination prevention. Reports on willingness use PrEP started emerge over last few years. Previously reported factors associated include awareness, higher sexual risk behavior, previous...

10.2196/13771 article EN cc-by JMIR Public Health and Surveillance 2019-05-16
Valdiléa G. Veloso Carlos Cáceres Brenda Hoagland Ronaldo I. Moreira Hamid Vega-Ramírez and 95 more Kelika A. Konda Iuri Costa Leite Sergio Bautista‐Arredondo Marcus Lacerda José Valdez Madruga Alessandro Farias Josué N Lima Ronaldo Zonta Lilian M. Lauria Cesar Vidal Osco Tamayo Hector Javier Salvatierra Flores Yovanna Margot Cabrera Santa Cruz Ricardo Martín Moreno Aguayo Marcelo Cunha Júlio Moreira Alessandra Ramos Makkeda Steven Díaz Juan V. Guanira Heleen Vermandere Marcos Benedetti Heather Ingold Cristina Pimenta Thiago S. Torres Beatriz Grinsztejn J. David Urbaez-Brito Polyana Monteiro d’Albuquerque Claudio Palombo Paulo Ricardo de Alencastro Raquel Keiko de Luca Ito João L. Benedetti Fabio V. Maria Paula M. Luz Lucilene Freitas Kim Mattos Geraldo Mônica Derrico Sandro Nazer Tania Kristic Renato Girade Renato Lima Antônio R. Carvalho Carla Rocha Pedro Nuno Leite Marcio Lessa Marília Santini-Oliveira Daniel R. B. Bezerra Cleo de Oliveira Souza Jacinto Corrêa Marcelo Ribeiro‐Alves Carolina Fischinger Moura de Souza Camilla Portugal Mônica dos Santos Valões Gabriel Lima Mota Joyce Alves Gomes C Falcão Fernanda Falcão Riberson Luciano Melo Talita Andrade Oliveira Agnaldo Moreira Oliveira Júnior Bruna de Paula Fonseca e Fonseca Leonor Henriette de Lannoy Ludymilla Anderson Santiago Carlos João Paulo Cunha Sonia Maria de Alencastro Coracini Thiago Oliveira Rodrigues Emília Regina Scharf Mettrau Kelly Vieira Meira Heder Tavares Ana Paula Nunes Viveiros Valeiras Taiane Miyake Alves de Carvalho Rocha Alex Amorim Patrícia Sabadini Luiz Gustavo Córdoba Caio Gusmão Erika Faustino Júlia Hansen Agatha Mirian Cunha Neuza Uchiyama Nishimura Jaime Eduardo Flygare Razo Prereira Santos Aline Barnabé Cano W Dias Magô Tonhon Tania Regina Rezende Alex Rodrigues Gomes Eloá dos Santos Rodrigues Maria das Dores Aires Carneiro Alexandre Castilho Mariana Carvalho Dulce Díaz-Sosa Centli Guillén-Díaz-Barriga Lorena Hernández Rebeca Robles María Elena Medina‐Mora Marcela González Ivonne Huerta Icelo Araczy Martinez Davalos

Although gay, bisexual, and other cisgender men who have sex with (MSM) transgender women the highest HIV burden in Latin America, pre-exposure prophylaxis (PrEP) implementation is poor. We aimed to assess feasibility of same-day oral PrEP delivery Brazil, Mexico, Peru.Implementation (ImPrEP) was a prospective, single-arm, open-label, multicentre study conducted Brazil (14 sites), Mexico (four Peru (ten sites). MSM were eligible participate if they aged 18 years or older, HIV-negative,...

10.1016/s2352-3018(22)00331-9 article EN cc-by The Lancet HIV 2022-12-21

Abstract Introduction The HIV epidemic continues to disproportionately impact Latin‐American transgender women (TGW). We assessed factors associated with long‐term pre‐exposure prophylaxis (PrEP) engagement and adherence among TGW enrolled in the Implementation of PrEP (ImPrEP) study, largest demonstration study Latin America. Methods HIV‐negative aged ≥18 years reporting 1+eligibility criteria 6 months prior enrolment (e.g. sex partner known be living HIV, condomless anal [CAS],...

10.1002/jia2.25974 article EN Journal of the International AIDS Society 2022-10-01

Antiretroviral therapies have proved life-saving in HIV infection, dramatically reducing morbidity and mortality.With longer survival, morbidities mortalities infection are increasingly similar to the associated with ageing.In treated risk of these is linked immune activation, inflammation coagulation indices.And persons failure restore circulating CD4 T cell numbers a greater as well heightened levels coagulation.The drivers incompletely defined could be related sustained low viral...

10.7448/ias.18.3.20152 article EN cc-by Journal of the International AIDS Society 2015-04-16

Pre-exposure prophylaxis (PrEP) scale-up is urgent to reduce new HIV cases among gay, bisexual, and other men who have sex with (MSM) in Latin America. Different PrEP modalities may increase uptake adherence, especially young MSM.

10.1177/20499361231153548 article EN cc-by-nc Therapeutic Advances in Infectious Disease 2023-01-01

Antiretroviral therapies have proved life-saving in HIV infection, dramatically reducing morbidity and mortality.With longer survival, morbidities mortalities infection are increasingly similar to the associated with ageing.In treated risk of these is linked immune activation, inflammation coagulation indices.And persons failure restore circulating CD4 T cell numbers a greater as well heightened levels coagulation.The drivers incompletely defined could be related sustained low viral...

10.7448/ias.18.3.20138 article EN cc-by Journal of the International AIDS Society 2015-04-16

Abstract Background In order to end the HIV epidemic by 2030, combination prevention including pre-exposure prophylaxis (PrEP) should be widely available, especially for most vulnerable populations. Latin America and Caribbean (LAC), only 14 out of 46 countries have access PrEP. Brazil Mexico, PrEP has been provided at no cost through Public Health System since 2017 2021, respectively. Thus, physicians’ perspectives about other strategies may differ. This study aimed compare awareness,...

10.1186/s12913-022-07900-y article EN cc-by BMC Health Services Research 2022-04-22

Objective. To present results from HIV testing, knowledge of status and socioeconomic factors associated with the probability having a positive result among transwomen (TW) in Mexico. Materials methods. In 2012, we conducted an seroprevalence survey to 585 TW Mexico City three strata: gathering places, Condesa Clinic four detention centers. We estimated prevalence each strata applied probit model overall sample analyze result. Results. The was 19.8% meeting places; 31.9% centers 64%...

10.21149/spm.v57s2.7596 article EN cc-by-nc-sa Salud Pública de México 2015-03-05

The most recent versions of the two main mental disorders classifications-the World Health Organization's ICD-11 and American Psychiatric Association's DSM-5-differ substantially in their diagnostic categories related to transgender identity. gender incongruence (GI), contrast DSM-5 dysphoria (GD), is explicitly not a disorder; neither distress nor dysfunction required feature. objective was compared requirements terms sensitivity, specificity, discriminability ability predict use...

10.1016/j.ijchp.2021.100281 article ES cc-by-nc-nd International Journal of Clinical and Health Psychology 2021-12-01

COVID-19 frontline healthcare workers (FHCW) are struggling to cope with challenges that threaten their wellbeing. We examine the frequency and predictors of most frequent mental health problems (MHP) among FHCW during first peak in Mexico, one severely affected countries terms FHCW's mortality. A cross-sectional survey was conducted between May 8 August 18, 2020. total 47.5% sample (n = 2218) were FHCW. The MHP insomnia, depression, posttraumatic stress symptoms, anxiety/somatization (whole...

10.3390/ijerph19010421 article EN International Journal of Environmental Research and Public Health 2021-12-31

The slogan Undetectable equals Untransmittable (U = U) communicates that people living with HIV (PLHIV) who are on antiretroviral therapy (ART) will not transmit to their sexual partners. We describe awareness of U among and gender minorities (SGM) in Brazil, Mexico, Peru by self-reported status (PLHIV, negative, unknown) during 2021 using an online survey. estimated two models Poisson regression for each population group: Model A including socio-demographic factors (country, gender, age,...

10.1007/s10461-024-04336-9 article EN cc-by AIDS and Behavior 2024-04-25

<sec> <title>BACKGROUND</title> Despite recent advances, pre-exposure prophylaxis (PrEP) scale-up remains slow in Latin America. Understanding PrEP modality preferences can help design effective implementation. </sec> <title>OBJECTIVE</title> The aim of this study was to describe willingness use different modalities among sexual and gender minorities (SGM) aged 18+ years from Brazil, Mexico Peru, factors associated with four modalities. <title>METHODS</title> We conducted a cross-sectional...

10.2196/preprints.75753 preprint EN 2025-04-12

Abstract Background Despite efforts to stop HIV epidemic in Latin America, new cases continue increase the region especially among young MSM (YMSM). This study aims assess if sociodemographic characteristics are associated with self-reported positive status YMSM from three American countries. Methods Cross-sectional web-based survey advertised on dating apps (Grindr and Hornet) Facebook Brazil, Mexico Peru. For this analysis, we included aged 18–24 years who their status. We used...

10.1186/s12879-021-06455-3 article EN cc-by BMC Infectious Diseases 2021-07-31

Introduction PrEP awareness in Latin America has been poorly characterized, with studies Brazil, Mexico, and Peru highlighting of 65% among gay, bisexual other men who have sex (MSM). We assessed the association between higher risk HIV infection, indicative eligibility, MSM from these countries. Methods This was a secondary analysis web-based survey advertised on social media platforms March-June 2018 Mexico Peru. Eligible individuals were cisgender MSM, ≥18 years old, negative or unknown...

10.1371/journal.pone.0255557 article EN cc-by PLoS ONE 2021-08-13

Background: Transgender people are often victims of multiple types violence across several areas life due to society's marked intolerance gender nonconformity. Objective: This study seeks describe experiences in transgender individuals and explore the relationship between different specific, high-risk incongruence social rejection factors during adolescence. Method: The sample consisted 245 adults receiving transgender-related health services at a public specialised clinic Mexico City....

10.1080/19419899.2020.1802772 article EN Psychology and Sexuality 2020-07-29

HIV self-testing (HIVST) is an essential tool within the combined prevention package and has been available in Latin America since 2015. However, HIVST use among key populations remains low. This study describes awareness, willingness, barriers to MSM Brazil, Mexico, Peru. A cross-sectional web-based survey was advertised two geosocial networking apps (Grindr Hornet) Facebook 2018. We included cisgender men ≥18 years old who self-reported HIV-negative status. used multivariable Poisson...

10.1371/journal.pgph.0000678 article EN cc-by PLOS Global Public Health 2022-07-29
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