Keck School Faculty

Marco Armando Hidalgo
Marco Armando Hidalgo
Assistant Professor of Clinical Pediatrics
Pediatrics
4640 West Sunset Boulevard Off Campus Los Angeles
Marco A. Hidalgo, PhD, is Assistant Professor of Clinical Pediatrics and faculty clinical psychologist in the Center for Transyouth Health and Development at Children's Hospital Los Angeles. He joined the CHLA/KSOM faculty in 2018, after relocating from Lurie Children's Hospital/Northwestern University Feinberg School of Medicine. In 2013, while faculty at Lurie Children's, Dr. Hidalgo co-established the nationally-renowned Gender and Sex Development Program — the Midwest's largest pediatric subspecialty program for transgender/gender-expansive children, adolescents, young adults and their families.

Dr. Hidalgo's research examines gender development, family support, and behavioral HIV prevention intervention in transgender/gender-expansive youth and YMSM. He is particularly interested in assessing the impact of minority stress factors and gender-affirmative care among transgender youth, mobile-platform behavioral HIV intervention with YMSM, and PrEP uptake in Latinx young adults. He is currently Co-Investigator on three multisite, NIH-funded studies examining: (1) the impact of early medical treatment in transgender youth who seek care in Los Angeles, Boston, Chicago and San Francisco; (2) efficacy outcomes of a RCT employing a mobile-based adaptation of the MyPEEPS behavioral HIV prevention intervention among YMSM in New York City, Birmingham, Seattle, and Chicago, and; (3) the effects of couples-based versus individual HIV-testing approaches on ARV uptake/adherence among HIV-serodiscordant male couples in Atlanta, Boston, and Chicago.

In his clinical work, Dr. Hidalgo sees children, adolescents and young adults (up to age 25) in individual and family therapy. He integrates evidence-based approaches to treat behavior problems and other problems related to depressive, anxiety, acute-stress and post-traumatic stress conditions.

Dr. Hidalgo teaches CHLA/KSOM trainees and fellows on topics relevant to adolescent behavioral health, LGBTQ health, and behavioral research. In 2017, he was recognized by Northwestern University's Feinberg School of Medicine for his excellence in teaching on topics related to child-adolescent gender and sexuality.

Northwestern University Feinberg School of Medicine, Chicago, IL: Recognition for Excellence in Teaching, 2017

Society for Adolescent Health and Medicine (SAHM): Finalist, Robert H. DuRant Award for Statistical Rigor and Innovation in Adolescent Health Research, 2014

(In Press) Minority stress factors associated with depression and anxiety among transgender and gender-nonconforming youth Journal of Adolescent Health. . . View in PubMed

Clinically significant depressive symptoms among a diverse sample of same-sex male couples in Atlanta, Boston, and Chicago: An analysis of individual- and dyadic-level factors Journal of Gay & Lesbian Mental Health. 2018. . View in PubMed

(In Press) Prevalence and risk correlates of intimate partner violence among a multi-site cohort of young transgender women LGBT Health. . . View in PubMed

Dyadic reporting of intimate partner violence among male couples in three US cities American Journal of Men's Health. 2018; 12(4):1039. . View in PubMed

Relationship characteristics and dyadic approaches to HIV health-enhancing behaviours among a sample of same-sex male couples from three US cities Journal of Relationships Research. 2018; 9. . View in PubMed

Affirmative Mental Health Care for Transgender and Gender Diverse Youth Trauma stabilization and recovery in a transgender Latina: A retrospective case example. 2018; 145-156. . View in PubMed

Development of MyPEEPS Mobile: A behavioral health intervention for young men Studies in Health Technology and Informatics. 2018; 250:31. . View in PubMed

Project Stronger Together: Protocol to Test a Dyadic Intervention to Improve Engagement in HIV Care Among Sero-Discordant Male Couples in Three US Cities JMIR Res Protoc. 2017 Aug 31; 6(8):e170. . View in PubMed

Parental perceptions of emotional and behavioral difficulties among prepubertal gender-nonconforming children Clinical Practice in Pediatric Psychology. 2017; 5:342–352. . View in PubMed

"I Had to Go to the Streets to Get Love": Pathways From Parental Rejection to HIV Risk Among Young Gay and Bisexual Men J Homosex. 2017; 64(3):321-342. . View in PubMed

Perceived Parental Attitudes of Gender Expansiveness: Development and Preliminary Factor Structure of a Self-Report Youth Questionnaire Transgend Health. 2017; 2(1):180-187. . View in PubMed

Parental Responses to Childrens’ Gender-Nonconforming Behavior Perspectives on Early Childhood Psychology and Education. 2017; 2(2). . View in PubMed

Parental perceptions of emotional and behavioral difficulties among prepubertal gender-nonconforming children Clinical Practice in Pediatric Psychology. 2017; 5(4):342. . View in PubMed

A Dyadic Behavioral Intervention to Optimize Same Sex Male Couples' Engagement Across the HIV Care Continuum: Development of and Protocol for an Innovative Couples-based Approach (Partner Steps) JMIR Res Protoc. 2016 Aug 25; 5(3):e168. . View in PubMed

Multidisciplinary Care for Gender-Diverse Youth: A Narrative Review and Unique Model of Gender-Affirming Care Transgend Health. 2016; 1(1):117-123. . View in PubMed

The impact of childhood gender expression on childhood sexual abuse and psychopathology among young men who have sex with men Child Abuse Negl. 2015 Aug; 46:103-12. . View in PubMed

The MyPEEPS randomized controlled trial: a pilot of preliminary efficacy, feasibility, and acceptability of a group-level, HIV risk reduction intervention for young men who have sex with men Arch Sex Behav. 2015 Feb; 44(2):475-85. . View in PubMed

Dulcan's Textbook of Child and Adolescent Psychiatry (EdM Dulcan). Gender Dysphoria and Nonconformity. 2015; 585-602. . View in PubMed

Impact of religiosity on the sexual risk behaviors of young men who have sex with men J Sex Res. 2015; 52(5):590-8. . View in PubMed

Understanding gender variance in children and adolescents Pediatr Ann. 2014 Jun; 43(6):e126-31. . View in PubMed

The gender affirmative model: What we know and what we aim to learn Human Development. 2013; 56(5):285-90. . View in PubMed

Negotiating dominant masculinity ideology: strategies used by gay, bisexual and questioning male adolescents Am J Community Psychol. 2010 Mar; 45(1-2):169-85. . View in PubMed

Payoffs of Participatory Action Research: Racial and Ethnic Minorities with Disabilities Reflect on their Research Experiences Community Dev (Columb). 2010 Jan; 41(1):21-31. . View in PubMed

Predictors of unprotected sex among young sexually active African American, Hispanic, and White MSM: the importance of ethnicity and culture AIDS Behav. 2008 May; 12(3):459-68. . View in PubMed

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