133 studies found for:    ("sex behavior" OR "sexual behavior" OR "sex risk behavior") AND (teen OR adolescent) | Open Studies
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Rank Status Study
1 Recruiting Efficacy Trial of a Brief Parent-Based Adolescent Sexual Health Intervention
Conditions: Increase HPV Vaccination Uptake;   Delay Sexual Debut
Interventions: Behavioral: Families Talking Together Plus (FTT+HPV);   Behavioral: Brief motivational interviewing (BMI)
2 Recruiting The P4 Intervention Study to Improve Adolescent Health
Condition: Adolescent Behavior
Interventions: Behavioral: Sexual Health;   Behavioral: Alcohol Prevention;   Behavioral: Teen Driving
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 Development and Testing of a Clinic-Based Intervention to Increase Dual Protection Against Unintended Pregnancy and Sexually Transmitted Diseases (STDs) Among High Risk Female Teens
Conditions: Pregnancy;   Sexually Transmitted Diseases
Interventions: Behavioral: Interactive multimedia platform;   Behavioral: Intervention arm counseling;   Behavioral: Standard of care counseling
5 Recruiting Brazilian HIV/Sexually Transmitted Infection (STI) Prevention for Adolescents With Mental Health Disorder
Conditions: HIV;   Sexually Transmitted Infection;   Pregnancy
Interventions: Behavioral: STYLE Brazil;   Behavioral: Health Promotion
6 Unknown  Trial of the Teens and Toddlers Intervention
Condition: Pregnancy in Adolescence
Intervention: Behavioral: Teens and Toddlers
7 Unknown  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
8 Not yet recruiting Health-E You: Reducing Unintended Pregnancies Among Hispanic Adolescents
Conditions: Unprotected Sex;   Unsafe Sex
Intervention: Behavioral: Health-E You: a computer-based intervention to improve the use of effective contraception among Hispanic adolescents
9 Recruiting 'HI-4-TU' Study: Health Improvement for Teen Ugandans Study
Conditions: Pregnancy;   Human Immunodeficiency Virus;   Sexually Transmitted Diseases
Interventions: Behavioral: enhanced group support;   Behavioral: enhanced individual support
10 Recruiting Improving Adolescent Health Outcomes Through Preventive Care Transformation
Conditions: Sexually Transmitted Diseases;   Depression Diagnosis;   Substance Use Disorders
Intervention: Behavioral: Adolescent CDSS
11 Recruiting Engendering Healthy Masculinities to Prevent Sexual Violence
Conditions: Violence;   Sexual Assault
Interventions: Behavioral: Intervention Program (Manhood 2.0);   Behavioral: Control Program (Job Skills Training)
12 Unknown  A Mother's Role in Delaying Onset of Sexual Activity in Her Children
Conditions: Child Behavior;   Adolescent Behavior
Intervention: Behavioral: Adolescent sexual activity education for mothers
13 Recruiting Evaluation of an Intervention for Adolescent Girls in Karnataka
Condition: Secondary School Entry and Completion
Intervention: Behavioral: Educational enhancement intervention
14 Recruiting JUEGA: A Fun Study for Hispanic/Latino Adolescent Girls
Condition: Pregnancy in Adolescence
Interventions: Behavioral: Mighty Girls;   Behavioral: Game Girls
15 Recruiting Brief Intervention for Teen Pregnancy Prevention
Condition: Teen Pregnancy Prevention
Intervention: Behavioral: Teens Exploring and Managing Prevention Options (TEMPO)
16 Unknown  Delaying Sexual Activity in African American Adolescent Girls
Conditions: Adolescent Behavior;   Sex Behavior
Intervention: Behavioral: NIA intervention (after school health promotion didactic program)
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 Not yet recruiting A Brief Intervention to Prevent Adolescent Dating Aggression Perpetration
Conditions: Offensive Aggression;   Sexual Aggression;   Dating Violence Perpetration and Victimization
Intervention: Behavioral: Brief Motivational Interview
19 Recruiting HIV and Sexually Transmitted Infection Prevention Intervention in the Northwest Territories
Conditions: HIV;   Sexually Transmitted Diseases
Intervention: Behavioral: FOXY
20 Not yet recruiting The Share Health Study: Teen Social Connections and Health
Condition: Contraception
Interventions: Behavioral: SpeakOut;   Behavioral: Alcohol Control Intervention

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Indicates status has not been verified in more than two years