136 studies found for:    ("sex behavior" OR "sexual behavior" OR "sex risk behavior") AND (teen OR adolescent) | Open Studies
Show Display Options
Rank Status Study
1 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 Unknown  Trial of the Teens and Toddlers Intervention
Condition: Pregnancy in Adolescence
Intervention: Behavioral: Teens and Toddlers
3 Unknown  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 Unknown  Familias Unidas: Preventing Substance Abuse in Hispanic Youth
Conditions: Prevention;   Family Function;   Substance Use;   Sexual Behavior
Intervention: Behavioral: Familias Unidas
5 Recruiting HIV/STI Prevention for Adolescents With Substance Use Disorders in Treatment
Conditions: HIV;   Sexually Transmitted Diseases
Interventions: Behavioral: STYLEnS;   Behavioral: Health Promotion
6 Recruiting Brazilian HIV/Sexually Transmitted Infection (STI) Prevention for Adolescents With Mental Health Disorder
Conditions: HIV;   Sexually Transmitted Infection;   Pregnancy
Interventions: Behavioral: Family-based intervention;   Behavioral: Health Intervention (Placebo arm)
7 Recruiting Teen Video Study to Reduce Risky Driving and Sexual Behavior in Adolescents
Conditions: Pregnancy;   Sexually Transmitted Infections;   Automobile Accidents
Interventions: Behavioral: Seventeen Days;   Behavioral: Driving Skills for Life
8 Recruiting Randomized Control Trial of Family-Based HIV Prevention for Latinos
Conditions: HIV;   Sexually Transmitted Infections
Intervention: Behavioral: Latino STYLE
9 Recruiting Project Prepared: Risks, Roles and Relationships
Conditions: F01.145.802.845;   F01.145.802.987
Interventions: Behavioral: Project Prepared;   Behavioral: TEEN
10 Recruiting Enhancing Quality Interventions Promoting Healthy Sexuality
Conditions: Pregnancy in Adolescence;   HIV
Interventions: Behavioral: Making Proud Choices;   Behavioral: Making Proud Choices AND Getting To Outcomes
11 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
12 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
13 Recruiting An Interactive Game for HIV Prevention in Early Adolescents
Conditions: HIV;   Risk Reduction
Interventions: Behavioral: Experimental Video Game;   Behavioral: Off the Shelf Video Game
14 Recruiting Couple & Family Contexts
Condition: Behavior and Behavior Mechanisms
Intervention:
15 Not yet recruiting Evaluation of an Intervention for Adolescent Girls in Karnataka
Condition: Enhance Ability to Remain in School.
Intervention: Behavioral: Educational enhancement intervention
16 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
17 Unknown  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
18 Unknown  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
19 Not yet recruiting Youth Drug Abuse Prevention in Kazakhstan
Condition: Drug Use
Interventions: Behavioral: Kazakhstani Family Together;   Behavioral: Usual Care Alone
20 Recruiting Effect of a Culturally-based Intervention on Sexual Risky Behavior Among Young American Indian Adolescents
Condition: Teen Pregnancy Prevention
Interventions: Behavioral: COL;   Other: AS+

Previous Page Studies Shown (1-20) Next Page (21-40) Show next page of results
Indicates status has not been verified in more than two years