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Leslie F. Clark, PhD

TitleAssociate Professor of Research Pediatrics
InstitutionUniversity of Southern California
DepartmentPediatrics
AddressCHL Mail Stop 30
Off Campus
Los Angeles CA 90089
Phone+1 323 361 8446
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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.
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    1. Sayegh CS, MacDonell KK, Clark LF, Dowshen NL, Naar S, Olson-Kennedy J, van den Berg JJ, Xu J, Belzer M. The Impact of Cell Phone Support on Psychosocial Outcomes for Youth Living with HIV Nonadherent to Antiretroviral Therapy. AIDS Behav. 2018 Jun 12. PMID: 29948339.
      View in: PubMed
    2. Clark LF, Desai M, Drake P, Okonta V. Is Current Measurement of Contraception Use Hindering Identification of Evidence-Based Pregnancy Prevention for Vulnerable Adolescents? Am J Public Health. 2018 Feb; 108(S1):S17-S18. PMID: 29443566.
      View in: PubMed
    3. Olson-Kennedy J, Okonta V, Clark LF, Belzer M. Physiologic Response to Gender-Affirming Hormones Among Transgender Youth. J Adolesc Health. 2018 Apr; 62(4):397-401. PMID: 29056436.
      View in: PubMed
    4. Olson J, Schrager SM, Belzer M, Simons LK, Clark LF. Baseline Physiologic and Psychosocial Characteristics of Transgender Youth Seeking Care for Gender Dysphoria. J Adolesc Health. 2015 Oct; 57(4):374-80. PMID: 26208863; PMCID: PMC5033041.
    5. Belzer ME, Kolmodin MacDonell K, Clark LF, Huang J, Olson J, Kahana SY, Naar S, Sarr M, Thornton S. 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. PMID: 25928772.
      View in: PubMed
    6. Wong CF, Clark LF, Marlotte L. The Impact of Specific and Complex Trauma on the Mental Health of Homeless Youth. J Interpers Violence. 2016 Mar; 31(5):831-54. PMID: 25392379.
      View in: PubMed
    7. Belzer ME, Naar-King S, Olson J, Sarr M, Thornton S, Kahana SY, Gaur AH, Clark LF. 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. PMID: 24271347; PMCID: PMC3962719.
    8. Warf CW, Clark LF, Desai M, Rabinovitz SJ, Agahi G, Calvo R, Hoffmann J. Coming of age on the streets: survival sex among homeless young women in Hollywood. J Adolesc. 2013 Dec; 36(6):1205-13. PMID: 24215967.
      View in: PubMed
    9. Miller LC, Murphy ST, Clark LF, Hamburger M, Moore J. Hierarchical messages for introducing multiple HIV prevention options: promise and pitfalls. AIDS Educ Prev. 2004 Dec; 16(6):509-25. PMID: 15585428.
      View in: PubMed