Crick
HomeTrialsGenesDrugs23andMeGraphBlogContact
  • Home
  • Trials
  • Genes
  • Drugs
  • 23andMe
  • Graph
  • Blog
  • Contact
Crick

An open-source clinical intelligence platform. Explore clinical trials, gene networks, and molecular structures using public data sources.

Data Sources

  • ClinicalTrials.gov
  • OpenTargets
  • ClinVar
  • PubChem

Links

  • Contact
  • Privacy

© 2026 Crick. All rights reserved.

Crick is for educational purposes only. Not medical advice.

Results for “Unsafe Sexual Behavior”

58 trials

Filters

Phase
Early Phase 1
Phase 1
Phase 2
Phase 3
Phase 4
Status
Recruiting
Active, Not Recruiting
Not Yet Recruiting
Completed
Enrolling by Invitation

Showing 20 of 58 results

Large-scale testing (Phase 3)Study completedNCT04597424
What this trial is testing

Combined Prevention of Sexually Transmitted Infections (STIs) in Men Who Have Sex With Men and Using Oral Tenofovir Disoproxil Fumarate/ Emtricitabine (TDF/FTC) for HIV Pre-Exposure Prophylaxis (PrEP)

Who this might be right for
Unsafe SexRisk-Taking
ANRS, Emerging Infectious Diseases 556
Not applicableStudy completedNCT02904629
What this trial is testing

Evaluation of Respecting the Circle of Life on Pregnancy Prevention Outcomes Among American Indian Adolescents

Who this might be right for
SexUnprotected SexContraception+3 more
Johns Hopkins Bloomberg School of Public Health 1,072
Early research (Phase 1)Study completedNCT01854853
What this trial is testing

Brazilian HIV/Sexually Transmitted Infection (STI) Prevention for Adolescents With Mental Health Disorder

Who this might be right for
HIVSexually Transmitted InfectionPregnancy
New York State Psychiatric Institute 305
Not applicableUnknownNCT03224416
What this trial is testing

Individual and Contextual Factors That Influence Sexual Decisions

Who this might be right for
Binge DrinkingUnsafe SexHIV/AIDS+1 more
Brown University 120
Not applicableStudy completedNCT03895320
What this trial is testing

Protecting Our Future Generation: Promotion of Protective Sexual Health Practices Among Native American Youth and Young Adults Through an Assets-based Self-care Intervention

Who this might be right for
Sexual BehaviorUnprotected SexGonorrhea+5 more
Johns Hopkins Bloomberg School of Public Health 219
Testing effectiveness (Phase 2)Study completedNCT01257022
What this trial is testing

Familias Unidas: Preventing Drug Abuse and HIV in Hispanic First Offenders

Who this might be right for
Substance UseUnsafe Sexual Behavior
University of Miami 242
Not applicableLooking for participantsNCT05729256
What this trial is testing

Alcohol and "Heat of the Moment" Sexual Decision Making

Who this might be right for
Alcohol DrinkingSex, UnsafeHiv
Boston University Charles River Campus 354
Not applicableStudy completedNCT02513225
What this trial is testing

Trial of an Adapted STD Screening and Risk Reduction Intervention

Who this might be right for
Alcohol UseDrug UseDiagnostic Self Evaluation+4 more
Johns Hopkins Bloomberg School of Public Health 350
Not applicableStudy completedNCT02847858
What this trial is testing

Health-E You: Reducing Unintended Pregnancies Among Hispanic Adolescents

Who this might be right for
Unprotected SexUnsafe Sex
University of California, San Francisco 1,360
Not applicableStudy completedNCT04109014
What this trial is testing

FASTLANE II: Reducing Sex, Drug, and Mental Health Risk

Who this might be right for
Methamphetamine AbuseHIV/AIDSDepression+1 more
University of Southern California 20
Not applicableStudy completedNCT02974998
What this trial is testing

Cape Town Young Women's Health CoOp

Who this might be right for
Condomless SexHuman Immunodeficiency Virus (HIV)Sexually Transmitted Infections (STIs)+4 more
RTI International 500
Not applicableStudy completedNCT03253783
What this trial is testing

The Evaluation of Pulse: A Mobile Health App and Teen Pregnancy Prevention Program

Who this might be right for
Unprotected SexContraceptive UsageReproductive and Sexual Health Care Utilization
Healthy Teen Network 1,304
Not applicableStudy completedNCT01351389
What this trial is testing

Brief Interventions in the Emergency Department for Alcohol and HIV/Sexual Risk

Who this might be right for
Alcohol ConsumptionUnsafe Sex
Brown University 400
Not applicableStudy completedNCT00712088
What this trial is testing

Project ICARE: Intervening for Community Awareness, Respect, & Empowerment

Who this might be right for
HIV Infections
Centers for Disease Control and Prevention 275
Early research (Phase 1)Study completedNCT01499706
What this trial is testing

Telephone-delivered Behavioral Interventions to Reduce Risky Sexual Behavior in HIV-positive Late Middle-age and Older Adults

Who this might be right for
Unsafe Sex
Ohio University College of Osteopathic Medicine 100
Not applicableStudy completedNCT00447707
What this trial is testing

Positive Choice: Prevention for Positive Health

Who this might be right for
HIV InfectionsSexual Risk BehaviorSubstance Use Risks
National Institute on Drug Abuse (NIDA) 497
Not applicableStudy completedNCT02934620
What this trial is testing

Promoting CSD500 Use Among Women in Established Relationships

Who this might be right for
PSAUnprotected Sex
Ohio State University 1,000
Not applicableStudy completedNCT03685643
What this trial is testing

Study Proposal for Web Based Intervention to Promote the Safe Usage of Dating Applications in Young Adults

Who this might be right for
Sex, UnsafeAdolescent BehaviorBehavior, Sex
The University of Hong Kong 578
Not applicableStudy completedNCT00691041
What this trial is testing

A Network Intervention for Reducing Sexual Risk for HIV With African American Men Who Have Sex With Men (AA MSM)

Who this might be right for
HIV Infections
Centers for Disease Control and Prevention 233
Not applicableEnded earlyNCT02965014
What this trial is testing

NC Young Women's CoOp

Who this might be right for
Condomless SexHuman Immunodeficiency Virus (HIV)Sexually Transmitted Infection (STI)+1 more
RTI International 652
Next Page