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Marvin E. Belzer, MD

Title(s)Professor of Clinical Pediatrics and Medicine
AddressCHL Mail Stop 2
Off Campus
Los Angeles CA 90089
Phone+1 323 361 4758
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    Other Positions
    Title(s)Division Head, Adolescent Medicine


    Collapse Overview 
    Collapse Overview
    Involved in many aspect of adolescent HIV including clinical trials, adherence, secondary prevention. Have conducted research on adherence to contraception and utilization of emergency contraception. Lastly, I am conducting research on HIV prevention and healthcare for youth with gender identity disorder.

    Expert in adolescent medicine, especially HIV/AIDS, sexuality, gender identity, and chronic fatigue syndrome

    Collapse Research 
    Collapse Research Activities and Funding
    Youth Services Navigation Intervention for HIV+ adolescents and young adults being released from incarceration: A randomized control trial
    NIH/NIMHD R01MD011773Aug 8, 2017 - Mar 31, 2022
    Role: Co-Principal Investigator
    Adolescent Medicine Trials Network for HIV/AIDS Interventions
    NIH/NICHD U01HD040463Apr 16, 2001 - Feb 29, 2016
    Role: Principal Investigator
    ADOLESCENT MEDICINE HIV/AIDS RESEARCH NETWORK
    NIH/NICHD U01HD032838Sep 29, 1994 - Nov 30, 2001
    Role: Principal Investigator

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. The Healthy Young Men's Cohort: Health, Stress, and Risk Profile of Black and Latino Young Men Who Have Sex with Men (YMSM). J Urban Health. 2020 Aug 30. Kipke MD, Kubicek K, Akinyemi IC, Hawkins W, Belzer M, Bhandari S, Bray B. PMID: 32864727.
      View in: PubMed   Mentions:    Fields:    
    2. Comparing Different Measures of Retention in Care Among a Cohort of Adolescents and Young Adults Living with Behaviorally-Acquired HIV. AIDS Behav. 2020 Jan; 24(1):304-310. Sayegh CS, Wood SM, Belzer M, Dowshen NL. PMID: 31429029.
      View in: PubMed   Mentions:    Fields:    
    3. A Focus on the HIV Care Continuum Through the Healthy Young Men's Cohort Study: Protocol for a Mixed-Methods Study. JMIR Res Protoc. 2019 Jan 24; 8(1):e10738. Kipke MD, Kubicek K, Wong CF, Robinson YA, Akinyemi IC, Beyer WJ, Hawkins W, Rice CE, Layland E, Bray BC, Belzer M. PMID: 30679146.
      View in: PubMed   Mentions:
    4. Pre-vaccination prevalence of anogenital and oral human papillomavirus in young HIV-infected men who have sex with men. Papillomavirus Res. 2019 06; 7:52-61. Kahn JA, Belzer M, Chi X, Lee J, Gaur AH, Mayer K, Martinez J, Futterman DC, Stier EA, Paul ME, Chiao EY, Reirden D, Goldstone SE, Ortiz Martinez AP, Cachay ER, Barroso LF, Da Costa M, Wilson CM, Palefsky JM. PMID: 30658128.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCellsCTClinical Trials
    5. Adaptive Antiretroviral Therapy Adherence Interventions for Youth Living With HIV Through Text Message and Cell Phone Support With and Without Incentives: Protocol for a Sequential Multiple Assignment Randomized Trial (SMART). JMIR Res Protoc. 2018 Dec 20; 7(12):e11183. Belzer ME, MacDonell KK, Ghosh S, Naar S, McAvoy-Banerjea J, Gurung S, Cain D, Fan CA, Parsons JT. PMID: 30573448.
      View in: PubMed   Mentions:
    6. The Impact of Cell Phone Support on Psychosocial Outcomes for Youth Living with HIV Nonadherent to Antiretroviral Therapy. AIDS Behav. 2018 Oct; 22(10):3357-3362. Sayegh CS, MacDonell KK, Clark LF, Dowshen NL, Naar S, Olson-Kennedy J, van den Berg JJ, Xu J, Belzer M. PMID: 29948339.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    7. Cell phone support to improve medication adherence among solid organ transplant recipients. Pediatr Transplant. 2018 Jun 19; e13235. Sayegh CS, Szmuszkovicz JR, Menteer J, Sherer S, Thomas D, Lestz R, Belzer M. PMID: 29920879.
      View in: PubMed   Mentions:    Fields:    
    8. HIV-Infected Young Men Demonstrate Appropriate Risk Perceptions and Beliefs about Safer Sexual Behaviors after Human Papillomavirus Vaccination. AIDS Behav. 2018 Jun; 22(6):1826-1834. Kahn JA, Lee J, Belzer M, Palefsky JM. PMID: 28220313.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansPHPublic HealthCTClinical Trials
    9. Chest Reconstruction and Chest Dysphoria in Transmasculine Minors and Young Adults: Comparisons of Nonsurgical and Postsurgical Cohorts. JAMA Pediatr. 2018 05 01; 172(5):431-436. Olson-Kennedy J, Warus J, Okonta V, Belzer M, Clark LF. PMID: 29507933.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    10. Physiologic Response to Gender-Affirming Hormones Among Transgender Youth. J Adolesc Health. 2018 04; 62(4):397-401. Olson-Kennedy J, Okonta V, Clark LF, Belzer M. PMID: 29056436.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    11. Preferences for Injectable PrEP Among Young U.S. Cisgender Men and Transgender Women and Men Who Have Sex with Men. Arch Sex Behav. 2018 10; 47(7):2101-2107. Biello KB, Hosek S, Drucker MT, Belzer M, Mimiaga MJ, Marrow E, Coffey-Esquivel J, Brothers J, Mayer KH. PMID: 28929260.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansPHPublic Health
    12. Supranormal thymic output up to 2 decades after HIV-1 infection. AIDS. 2016 Mar 13; 30(5):701-11. Aguilera-Sandoval CR, Yang OO, Jojic N, Lovato P, Chen DY, Boechat MI, Cooper P, Zuo J, Ramirez C, Belzer M, Church JA, Krogstad P. PMID: 26730570.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansCells
    13. Baseline Physiologic and Psychosocial Characteristics of Transgender Youth Seeking Care for Gender Dysphoria. J Adolesc Health. 2015 Oct; 57(4):374-80. Olson J, Schrager SM, Belzer M, Simons LK, Clark LF. PMID: 26208863.
      View in: PubMed   Mentions: 22     Fields:    Translation:Humans
    14. Acceptability and Feasibility of a Cell Phone Support Intervention for Youth Living with HIV with Nonadherence to Antiretroviral Therapy. AIDS Patient Care STDS. 2015 Jun; 29(6):338-45. Belzer ME, Kolmodin MacDonell K, Clark LF, Huang J, Olson J, Kahana SY, Naar S, Sarr M, Thornton S. PMID: 25928772.
      View in: PubMed   Mentions: 17     Fields:    Translation:Humans
    15. Behavioral and Health Outcomes for HIV+ Young Transgender Women (YTW) Linked To and Engaged in Medical Care. LGBT Health. 2016 Apr; 3(2):162-7. Dowshen N, Matone M, Luan X, Lee S, Belzer M, Fernandez MI, Rubin D. PMID: 26789394.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    16. Subcutaneous Testosterone: An Effective Delivery Mechanism for Masculinizing Young Transgender Men. LGBT Health. 2014 Sep; 1(3):165-7. Olson J, Schrager SM, Clark LF, Dunlap SL, Belzer M. PMID: 26789709.
      View in: PubMed   Mentions: 5     Fields:    
    17. The use of cell phone support for non-adherent HIV-infected youth and young adults: an initial randomized and controlled intervention trial. AIDS Behav. 2014 Apr; 18(4):686-96. Belzer ME, Naar-King S, Olson J, Sarr M, Thornton S, Kahana SY, Gaur AH, Clark LF. PMID: 24271347.
      View in: PubMed   Mentions: 35     Fields:    Translation:Humans
    18. Young men and the morning after: a missed opportunity for emergency contraception provision? J Fam Plann Reprod Health Care. 2015 Jan; 41(1):33-7. Schrager SM, Olson J, Beharry M, Belzer M, Goldsich K, Desai M, Clark LF. PMID: 24465024.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    19. Parental support and mental health among transgender adolescents. J Adolesc Health. 2013 Dec; 53(6):791-3. Simons L, Schrager SM, Clark LF, Belzer M, Olson J. PMID: 24012067.
      View in: PubMed   Mentions: 32     Fields:    Translation:Humans
    20. The initial feasibility of a computer-based motivational intervention for adherence for youth newly recommended to start antiretroviral treatment. AIDS Care. 2014 Jan; 26(1):130-5. Outlaw AY, Naar-King S, Tanney M, Belzer ME, Aagenes A, Parsons JT, Merlo LJ. PMID: 23869650.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    21. Motivational Enhancement System for Adherence (MESA): pilot randomized trial of a brief computer-delivered prevention intervention for youth initiating antiretroviral treatment. J Pediatr Psychol. 2013 Jul; 38(6):638-48. Naar-King S, Outlaw AY, Sarr M, Parsons JT, Belzer M, Macdonell K, Tanney M, Ondersma SJ. PMID: 23359664.
      View in: PubMed   Mentions: 30     Fields:    Translation:Humans
    22. Barriers to medication adherence in behaviorally and perinatally infected youth living with HIV. AIDS Behav. 2013 Jan; 17(1):86-93. MacDonell K, Naar-King S, Huszti H, Belzer M. PMID: 23142855.
      View in: PubMed   Mentions: 61     Fields:    Translation:Humans
    23. Syndemic theory and HIV-related risk among young transgender women: the role of multiple, co-occurring health problems and social marginalization. Am J Public Health. 2012 Sep; 102(9):1751-7. Brennan J, Kuhns LM, Johnson AK, Belzer M, Wilson EC, Garofalo R. PMID: 22873480.
      View in: PubMed   Mentions: 101     Fields:    Translation:HumansCells
    24. Parental support and condom use among transgender female youth. J Assoc Nurses AIDS Care. 2012 Jul-Aug; 23(4):306-17. Wilson EC, Iverson E, Garofalo R, Belzer M. PMID: 22079675.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    25. Functional analysis of HIV type 1 Nef gene variants from adolescent and adult survivors of perinatal infection. AIDS Res Hum Retroviruses. 2012 May; 28(5):486-92. Zuo J, Suen J, Wong A, Lewis M, Ayub A, Belzer M, Church J, Yang OO, Krogstad P. PMID: 21861776.
      View in: PubMed   Mentions: 3     Fields:    Translation:HumansCells
    26. Management of the transgender adolescent. Arch Pediatr Adolesc Med. 2011 Feb; 165(2):171-6. Olson J, Forbes C, Belzer M. PMID: 21300658.
      View in: PubMed   Mentions: 15     Fields:    Translation:Humans
    27. Psychological factors, beliefs about medication, and adherence of youth with human immunodeficiency virus in a multisite directly observed therapy pilot study. J Adolesc Health. 2011 Jun; 48(6):637-40. Garvie PA, Flynn PM, Belzer M, Britto P, Hu C, Graham B, Neely M, McSherry GD, Spector SA, Gaur AH. PMID: 21575827.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    28. Directly observed therapy (DOT) for nonadherent HIV-infected youth: lessons learned, challenges ahead. AIDS Res Hum Retroviruses. 2010 Sep; 26(9):947-53. Gaur AH, Belzer M, Britto P, Garvie PA, Hu C, Graham B, Neely M, McSherry G, Spector SA, Flynn PM. PMID: 20707731.
      View in: PubMed   Mentions: 11     Fields:    Translation:HumansCells
    29. Short communication: enhanced CD8+ T cell apoptosis in HIV-infected adolescents with virologic failure on protease inhibitor-based therapy. AIDS Res Hum Retroviruses. 2010 Jun; 26(6):681-4. Zuo J, Church J, Belzer M, Kitchen C, Ank B, Schmid I, Krogstad P. PMID: 20507209.
      View in: PubMed   Mentions:    Fields:    Translation:HumansCells
    30. Identification of HIV-infected 12- to 24-year-old men and women in 15 US cities through venue-based testing. Arch Pediatr Adolesc Med. 2010 Mar; 164(3):273-6. Barnes W, D'Angelo L, Yamazaki M, Belzer M, Schroeder S, Palmer-Castor J, Futterman D, Kapogiannis B, Muenz L, Harris DR, Ellen JM. PMID: 20194262.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    31. Youth living with HIV and problem substance use: elevated distress is associated with nonadherence and sexual risk. J Int Assoc Physicians AIDS Care (Chic). 2010 Mar-Apr; 9(2):113-5. Nugent NR, Brown LK, Belzer M, Harper GW, Nachman S, Naar-King S. PMID: 20133498.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    32. Improving health outcomes for youth living with the human immunodeficiency virus: a multisite randomized trial of a motivational intervention targeting multiple risk behaviors. Arch Pediatr Adolesc Med. 2009 Dec; 163(12):1092-8. Naar-King S, Parsons JT, Murphy DA, Chen X, Harris DR, Belzer ME. PMID: 19996045.
      View in: PubMed   Mentions: 30     Fields:    Translation:Humans
    33. Sexual risk taking among transgender male-to-female youths with different partner types. Am J Public Health. 2010 Aug; 100(8):1500-5. Wilson EC, Garofalo R, Harris DR, Belzer M. PMID: 20622176.
      View in: PubMed   Mentions: 24     Fields:    Translation:Humans
    34. Identification of ongoing human immunodeficiency virus type 1 (HIV-1) replication in residual viremia during recombinant HIV-1 poxvirus immunizations in patients with clinically undetectable viral loads on durable suppressive highly active antiretroviral therapy. J Virol. 2009 Oct; 83(19):9731-42. Shiu C, Cunningham CK, Greenough T, Muresan P, Sanchez-Merino V, Carey V, Jackson JB, Ziemniak C, Fox L, Belzer M, Ray SC, Luzuriaga K, Persaud D. PMID: 19605490.
      View in: PubMed   Mentions: 30     Fields:    Translation:HumansCellsPHPublic Health
    35. Transgender female youth and sex work: HIV risk and a comparison of life factors related to engagement in sex work. AIDS Behav. 2009 Oct; 13(5):902-13. Wilson EC, Garofalo R, Harris RD, Herrick A, Martinez M, Martinez J, Belzer M. PMID: 19199022.
      View in: PubMed   Mentions: 64     Fields:    Translation:Humans
    36. Development of a directly observed therapy adherence intervention for adolescents with human immunodeficiency virus-1: application of focus group methodology to inform design, feasibility, and acceptability. J Adolesc Health. 2009 Feb; 44(2):124-132. Garvie PA, Lawford J, Flynn PM, Gaur AH, Belzer M, McSherry GD, Hu C. PMID: 19167660.
      View in: PubMed   Mentions: 9     Fields:    Translation:HumansCells
    37. Long-term observation of adolescents initiating HAART therapy: three-year follow-up. AIDS Res Hum Retroviruses. 2007 Oct; 23(10):1208-14. Flynn PM, Rudy BJ, Lindsey JC, Douglas SD, Lathey J, Spector SA, Martinez J, Silio M, Belzer M, Friedman L, D'Angelo L, Smith E, Hodge J, Hughes MD. PMID: 17961106.
      View in: PubMed   Mentions: 27     Fields:    Translation:HumansCells
    38. An evaluation of service utilization among male to female transgender youth: qualitative study of a clinic-based sample. J LGBT Health Res. 2007; 3(2):49-61. Corliss HL, Belzer M, Forbes C, Wilson EC. PMID: 19835041.
      View in: PubMed   Mentions: 18     Fields:    Translation:Humans
    39. Improving comprehension for HIV vaccine trial information among adolescents at risk of HIV. AIDS Care. 2007 Jan; 19(1):42-51. Murphy DA, Hoffman D, Seage GR, Belzer M, Xu J, Durako SJ, Geiger M. PMID: 17265577.
      View in: PubMed   Mentions: 15     Fields:    Translation:Humans
    40. The use of cell phone reminder calls for assisting HIV-infected adolescents and young adults to adhere to highly active antiretroviral therapy: a pilot study. AIDS Patient Care STDS. 2006 Jun; 20(6):438-44. Puccio JA, Belzer M, Olson J, Martinez M, Salata C, Tucker D, Tanaka D. PMID: 16789857.
      View in: PubMed   Mentions: 56     Fields:    Translation:HumansCells
    41. Thymic volume, T-cell populations, and parameters of thymopoiesis in adolescent and adult survivors of HIV infection acquired in infancy. AIDS. 2006 Mar 21; 20(5):667-74. Lee JC, Boechat MI, Belzer M, Church JA, De Ville J, Nielsen K, Weston S, Geng Y, Dunaway T, Kitchen C, Krogstad PA. PMID: 16514296.
      View in: PubMed   Mentions: 13     Fields:    Translation:HumansCells
    42. Advance supply of emergency contraception: a randomized trial in adolescent mothers. J Pediatr Adolesc Gynecol. 2005 Oct; 18(5):347-54. Belzer M, Sanchez K, Olson J, Jacobs AM, Tucker D. PMID: 16202939.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    43. Longitudinal antiretroviral adherence among adolescents infected with human immunodeficiency virus. Arch Pediatr Adolesc Med. 2005 Aug; 159(8):764-70. Murphy DA, Belzer M, Durako SJ, Sarr M, Wilson CM, Muenz LR. PMID: 16061785.
      View in: PubMed   Mentions: 72     Fields:    Translation:HumansCells
    44. Radioiodine treatment for hyperthyroidism presenting primarily as psychiatric disease in three adolescent and young adult patients. J Pediatr Endocrinol Metab. 2004 Aug; 17(8):1121-3. Chulani VL, Belzer M, Broms TL. PMID: 15379425.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    45. Virologic and immunologic outcomes after 24 weeks in HIV type 1-infected adolescents receiving highly active antiretroviral therapy. J Infect Dis. 2004 Jul 15; 190(2):271-9. Flynn PM, Rudy BJ, Douglas SD, Lathey J, Spector SA, Martinez J, Silio M, Belzer M, Friedman L, D'Angelo L, McNamara J, Hodge J, Hughes MD, Lindsey JC. PMID: 15216461.
      View in: PubMed   Mentions: 43     Fields:    Translation:HumansCellsCTClinical Trials
    46. Assessment of thymic activity in human immunodeficiency virus-negative and -positive adolescents by real-time PCR quantitation of T-cell receptor rearrangement excision circles. Clin Diagn Lab Immunol. 2003 Mar; 10(2):323-8. Pham T, Belzer M, Church JA, Kitchen C, Wilson CM, Douglas SD, Geng Y, Silva M, Mitchell RM, Krogstad P. PMID: 12626462.
      View in: PubMed   Mentions: 8     Fields:    Translation:HumansCells
    47. The relationship of unsafe sexual behavior and the characteristics of sexual partners of HIV infected and HIV uninfected adolescent females. J Adolesc Health. 2001 Sep; 29(3 Suppl):64-71. Sturdevant MS, Belzer M, Weissman G, Friedman LB, Sarr M, Muenz LR. PMID: 11530305.
      View in: PubMed   Mentions: 27     Fields:    Translation:Humans
    48. Disclosure of serostatus by HIV infected youth: the experience of the REACH study. Reaching for Excellence in Adolescent Care and Health. J Adolesc Health. 2001 Sep; 29(3 Suppl):72-9. D'Angelo LJ, Abdalian SE, Sarr M, Hoffman N, Belzer M. PMID: 11530306.
      View in: PubMed   Mentions: 22     Fields:    Translation:Humans
    49. Contraceptive choices in HIV infected and HIV at-risk adolescent females. J Adolesc Health. 2001 Sep; 29(3 Suppl):93-100. Belzer M, Rogers AS, Camarca M, Fuchs D, Peralta L, Tucker D, Durako SJ. PMID: 11530309.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    50. Serologic response to hepatitis B vaccine in HIV infected and high-risk HIV uninfected adolescents in the REACH cohort. Reaching for Excellence in Adolescent Care and Health. J Adolesc Health. 2001 Sep; 29(3 Suppl):123-9. Wilson CM, Ellenberg JH, Sawyer MK, Belzer M, Crowley-Nowick PA, Puga A, Futterman DC, Peralta L. PMID: 11530313.
      View in: PubMed   Mentions: 12     Fields:    Translation:HumansCells
    51. Antiretroviral medication adherence among the REACH HIV-infected adolescent cohort in the USA. AIDS Care. 2001 Feb; 13(1):27-40. Murphy DA, Wilson CM, Durako SJ, Muenz LR, Belzer M. PMID: 11177463.
      View in: PubMed   Mentions: 100     Fields:    Translation:Humans
    52. "Reducing the Odds" at what cost: will routine testing of pregnant adolescents decrease perinatal transmission of HIV? J Adolesc Health. 2000 Nov; 27(5):296-7. D'Angelo LJ, Belzer M, Futterman D, Peralta L, Sawyer M. PMID: 11044699.
      View in: PubMed   Mentions:    Fields:    Translation:HumansPHPublic Health
    53. Antiretroviral adherence issues among HIV-positive adolescents and young adults. J Adolesc Health. 1999 Nov; 25(5):316-9. Belzer ME, Fuchs DN, Luftman GS, Tucker DJ. PMID: 10551660.
      View in: PubMed   Mentions: 34     Fields:    Translation:Humans
    54. HIV prevention for teenage girls: relationships are the medium and the message. AIDS Read. 1999 Mar-Apr; 9(2):113-8, 121. Schoeberlein DR, Belzer ME, Woolston JL. PMID: 12728893.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
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