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Found 114 studies with search of: ("sex behavior" OR "sexual behavior" OR "sex risk behavior") AND (teen OR adolescent) | Open Studies
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1 Not yet recruiting Internet-Based Sexual Health Education for Middle School Native American Youth
Conditions: Sexually Transmitted Diseases;   Pregnancy;   HIV Infections
Interventions: Behavioral: HIV, STI and Pregnancy Prevention Curriculum;   Behavioral: Control Curricula
2 Recruiting Trial of the Teens and Toddlers Intervention
Condition: Pregnancy in Adolescence
Intervention: Behavioral: Teens and Toddlers
3 Recruiting A Parent-Based Intervention to Reduce Sexual Risk Behavior in Adolescents
Condition: Behavior and Behavior Mechanisms
Interventions: Behavioral: Families Talking Together;   Behavioral: Active Control on Hygiene & Nutrition
4 Recruiting HIV Prevention Program for African American Teen Males
Conditions: HIV Infections;   Sexually Transmitted Infections
Interventions: Behavioral: Male Sexual Health Program;   Behavioral: Focus on the Future Program
5 Recruiting Familias Unidas: Preventing Substance Abuse in Hispanic Youth
Conditions: Prevention;   Family Function;   Substance Use;   Sexual Behavior
Intervention: Behavioral: Familias Unidas
6 Recruiting Targeting HIV Risk Behaviors in Juvenile Drug Court-Involved Youth
Conditions: Substance Use;   Sexual Risk Behaviors
Interventions: Behavioral: Risk Reduction Therapy for Adolescents;   Behavioral: Usual services
7 Recruiting HIV/STI Prevention for Adolescents With Substance Use Disorders in Treatment
Conditions: HIV;   Sexually Transmitted Diseases
Interventions: Behavioral: STYLEnS;   Behavioral: Health Promotion
8 Unknown † Multi-Level Interventions for STD Prevention Among Adolescents
Condition: Chlamydia
Intervention: Behavioral: Project Connect
9 Recruiting Alcohol, Marijuana, and Risky Sex: Group Interventions With Detained Adolescents
Conditions: Risk Reduction Behavior;   Health Behavior;   Sexual Behavior;   Adolescent Behavior;   Cannabis
Interventions: Behavioral: INFORMATION-ONLY SEXUAL RISK REDUCTION (INFO-ONLY);   Behavioral: SEXUAL PLUS ALCOHOL RISK REDUCTION (SRRI+ETOH);   Behavioral: SEXUAL + ALCOHOL + MARIJUANA RISK REDUCTION
10 Not yet recruiting Project AWARE: Using the Emergency Department (ED) to Prevent Sexually Transmitted Infections (STIs) in Youth
Conditions: Chlamydia;   Gonorrhea;   HIV
Interventions: Behavioral: HIV testing;   Behavioral: Combined HIV/STI screening;   Behavioral: Theory-based risk reduction video counseling
11 Not yet recruiting Individual and Family Motivational Interviews for Substance Using Truant Teens
Conditions: Substance Use;   Risky Sexual Behavior
Interventions: Behavioral: Family Check-up/ Individual MI;   Behavioral: Individual and family psychoeducation
12 Unknown † Preventing Substance Use and Risky Behavior Among Rural African American Youth
Condition: Risky Sexual Behavior
Interventions: Behavioral: Strong African American Families-Teen Program;   Behavioral: FUEL
13 Recruiting Comparative Effectiveness of Web-based Versus Traditional Adolescent HIV Prevention
Conditions: HIV Infections;   Hepatitis;   Sexually Transmitted Infections
Interventions: Behavioral: Traditional Prevention;   Behavioral: Web-based Prevention
14 Recruiting Identifying Undiagnosed Asymptomatic HIV Infection in Hispanic/Latino Adolescents and Young Adults
Condition: HIV
Intervention: Behavioral: Effectiveness of different strategies in HIV testing and linkage to care
15 Recruiting Affect Management for Early Adolescents
Condition: HIV Infections
Interventions: Behavioral: Affect Management;   Behavioral: General Health Promotion
16 Recruiting Project RAP: Family-based HIV Prevention in the Juvenile Drug Court
Condition: HIV/AIDS
Interventions: Behavioral: Family-Based HIV prevention;   Other: Adolescent Only Health Promotion
17 Unknown † Effectiveness of Integrating Prenatal Care in Reducing HIV/STDs Among Young Pregnant Women
Conditions: Pregnancy;   HIV Infections;   Sexually Transmitted Diseases
Interventions: Behavioral: CenteringPregnancy Plus (CP+);   Behavioral: Usual care
18 Unknown † Delaying Sexual Activity in African American Adolescent Girls
Conditions: Adolescent Behavior;   Sex Behavior
Intervention: Behavioral: NIA intervention (after school health promotion didactic program)
19 Recruiting Parental Knowledge and Attitudes of Confidential Sexually Transmitted Infections (STI) Services for Teens
Condition: Sexually Transmitted Infections
Intervention:
20 Unknown † Comparing Behavioral Therapies for Treating Adolescents With Post-Traumatic Stress Disorder Related to Sexual Abuse
Condition: Post-Traumatic Stress Disorder
Interventions: Behavioral: Prolonged exposure (PE) therapy for adolescents;   Behavioral: Client centered therapy (CCT)

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† Indicates status has not been verified in more than two years
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