Leslie F. Clark, PhD

Title(s)Associate Professor of Research Pediatrics
SchoolKeck School of Medicine of Usc
AddressCHL Mail Stop 30
Off Campus
Los Angeles CA 90089
Phone+1 323 361 3917
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    Leslie F. Clark, PhD, MPH is an Associate Professor in the Division of Adolescent Medicine at Children’s Hospital, Los Angeles and University of Southern California. Dr. Clark is a social/health psychologist and the developer of project AIM (Adult Identity Mentoring) a nationally recognized evidenced based HIV and pregnancy prevention intervention for middle school youth. Her research targets early through late adolescents and emerging adults at risk for poor outcomes (including homeless youth, young gay men, and transgender youth). Dr. Clark has been conducting research in low income communities in the US and abroad for 18 years. Her behavioral research, interventions, and community collaborations address health, wellness, service needs, risk reduction, and positive youth development among vulnerable youth. During the last 15 years, Dr. Clark’s federally funded work involved the design, implementation and evaluation of several behavioral interventions that focus on reducing risk and promoting positive outcomes for adolescents, young adults, and their families.

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    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. Who Benefits from School-Based Teen Pregnancy Prevention Programs? Examining Multidimensional Moderators of Program Effectiveness Across Four Studies. Prev Sci. 2022 Aug 22. Vasilenko SA, Odejimi OA, Glassman JR, Potter SC, Drake PM, Coyle KK, Markham C, Emery ST, Peskin MF, Shegog R, Addy RC, Clark LF. PMID: 35994193.
      View in: PubMed   Mentions:    Fields:    
    2. 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; PMCID: PMC6530981.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    3. 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; PMCID: PMC5875384.
      View in: PubMed   Mentions: 29     Fields:    Translation:Humans
    4. Is Current Measurement of Contraception Use Hindering Identification of Evidence-Based Pregnancy Prevention for Vulnerable Adolescents? Am J Public Health. 2018 02; 108(S1):S17-S18. Clark LF, Desai M, Drake P, Okonta V. PMID: 29443566; PMCID: PMC5813779.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    5. 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; PMCID: PMC7050572.
      View in: PubMed   Mentions: 25     Fields:    Translation:Humans
    6. Formative Work and Community Engagement Approaches for Implementing an HIV Intervention in Botswana Schools. Am J Public Health. 2016 08; 106(8):1439-41. Miller KS, Cham HJ, Taylor EM, Berrier FL, Duffy M, Vig J, Chipazi L, Chakalisa C, Sidibe S, Swart K, Tau NS, Clark LF. PMID: 27196663; PMCID: PMC4940647.
      View in: PubMed   Mentions: 3     Fields:    Translation:HumansCells
    7. 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; PMCID: PMC5033041.
      View in: PubMed   Mentions: 84     Fields:    Translation:Humans
    8. 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, Adolescent Medicine Trials Network for HIV/AIDS Interventions. PMID: 25928772; PMCID: PMC4516960.
      View in: PubMed   Mentions: 32     Fields:    Translation:Humans
    9. The Impact of Specific and Complex Trauma on the Mental Health of Homeless Youth. J Interpers Violence. 2016 Mar; 31(5):831-54. Wong CF, Clark LF, Marlotte L. PMID: 25392379.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    10. 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: 10     Fields:    
    11. 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, Adolescent Medicine Trials Network for HIV/AIDS Interventions. PMID: 24271347; PMCID: PMC3962719.
      View in: PubMed   Mentions: 57     Fields:    Translation:Humans
    12. 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: 2     Fields:    Translation:Humans
    13. Coming of age on the streets: survival sex among homeless young women in Hollywood. J Adolesc. 2013 Dec; 36(6):1205-13. Warf CW, Clark LF, Desai M, Rabinovitz SJ, Agahi G, Calvo R, Hoffmann J. PMID: 24215967.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    14. 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; PMCID: PMC3838484.
      View in: PubMed   Mentions: 110     Fields:    Translation:Humans
    15. Adult identity mentoring: reducing sexual risk for African-American seventh grade students. J Adolesc Health. 2005 Oct; 37(4):337. Clark LF, Miller KS, Nagy SS, Avery J, Roth DL, Liddon N, Mukherjee S. PMID: 16182145.
      View in: PubMed   Mentions: 27     Fields:    Translation:Humans
    16. Hierarchical messages for introducing multiple HIV prevention options: promise and pitfalls. AIDS Educ Prev. 2004 Dec; 16(6):509-25. Miller LC, Murphy ST, Clark LF, Hamburger M, Moore J. PMID: 15585428.
      View in: PubMed   Mentions: 6     Fields:    Translation:HumansCTClinical Trials
    17. Predictors of sexual involvement among adolescents in rural Jamaica. Int J Adolesc Med Health. 2004 Apr-Jun; 16(2):165-78. Stallworth J, Roofe M, Clark LF, Ehiri JE, Mukherjee S, Person S, Jolly PE. PMID: 15266994.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    18. Sexual abstinence and the Sexual Abstinence Behavior Scale. J Pediatr Health Care. 2003 May-Jun; 17(3):140-4. Norris AE, Clark LF, Magnus S. PMID: 12734461.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
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