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 “High-risk Sex”

285 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 285 results

Large-scale testing (Phase 3)Study completedNCT00710060
What this trial is testing

Effectiveness of a Community-level HIV/STD Prevention Intervention in Promoting Safer Sexual Behaviors in High-risk Populations

Who this might be right for
HIV InfectionsSexually Transmitted Diseases
RTI International 18,147
Testing effectiveness (Phase 2)Looking for participantsNCT07572396
What this trial is testing

Phase II Study of Dysplasix™ Intravaginal Suppositories in Patients Patients With High-Risk HPV and Mild Cervical Cytologic Abnormalities

Who this might be right for
High-risk HPV (Any Strain)LSIL, Low Grade Squamous Intraepithelial LesionASC-US+3 more
Amplexd Therapeutics, Inc. 45
Not applicableLooking for participantsNCT07475702
What this trial is testing

Moon and Sun Brothers: A Community Prevention Intervention (Hermanos de Luna y Sol)

Who this might be right for
Help-Seeking BehaviorPre-exposure Prophylaxis UseCondomless Sex+1 more
San Francisco State University 360
Not applicableEnrolling By InvitationNCT05833074
What this trial is testing

Evaluating the Efficacy of Annual CHTC Retesting Among Male Couples at High Risk of HIV Infection

Who this might be right for
HIV Infections
Hunter College of City University of New York 384
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
Large-scale testing (Phase 3)Study completedNCT00411684
What this trial is testing

Safety and Efficacy of CDB-2914 for Emergency Contraception

Who this might be right for
Emergency Contraception
HRA Pharma 1,623
Not applicableStudy completedNCT02387489
What this trial is testing

A Clinical Trial of SBIRT Services in School-based Health Centers

Who this might be right for
Marijuana UseAlcohol ConsumptionUnsafe Sex+1 more
Friends Research Institute, Inc. 300
Not applicableStudy completedNCT03081559
What this trial is testing

Improving Engagement in HIV Care for High-risk Women

Who this might be right for
HIV/AIDSAdherence, Medication
University of California, San Francisco 278
Large-scale testing (Phase 3)UnknownNCT01697046
What this trial is testing

A Pilot Study on Raltegravir, Tenofovir and Emtricitabine for Peri-exposure Prophylaxis for HIV Infection

Who this might be right for
InfectionHIV
Projeto Praça Onze 65
Not applicableActive Not RecruitingNCT06120205
What this trial is testing

SELF-CERV Pivotal Study: SELF-Collection for CERVical Cancer Screening

Who this might be right for
HpvHPV 16 InfectionHPV Infection+1 more
Teal Health, Inc. 870
Not applicableUnknownNCT00365729
What this trial is testing

Viral Load Determination and Biomarkers of High Risk Human Papillomavirus (HPV) - Types in HIV-positive Men

Who this might be right for
HIV InfectionsPapillomavirus InfectionsAnal Intraepithelial Neoplasia
Deutsche Luft und Raumfahrt 1,000
Not applicableUnknownNCT04044235
What this trial is testing

Evaluation of Pre-Exposure Prophylaxis for High Risk Adolescent Girls and Young Women

Who this might be right for
HIV/AIDS
Lighthouse Trust 1,032
Not applicableStudy completedNCT02263378
What this trial is testing

A New Supplement for the Immune Response to HPV Infection

Who this might be right for
HPV Infection
University of Messina 60
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
Testing effectiveness (Phase 2)Study completedNCT01376895
What this trial is testing

Project Power: An HIV Risk Reduction Intervention for Black Men Who Have Sex With Men and Women (BMSM/W)

Who this might be right for
Unsafe SexRisk Reduction
Nova Southeastern University 211
Not applicableStudy completedNCT00511056
What this trial is testing

Adherence and Risk Behaviour in Patients With HIV Infection Receiving Antiretroviral Therapy

Who this might be right for
HIV Infections
The HIV Netherlands Australia Thailand Research Collaboration 700
Not applicableLooking for participantsNCT06912048
What this trial is testing

Understanding Individual Variability in Neuronal Signal Transmission to Target Organs in Health and Disease

Who this might be right for
Autonomic Function
University of Ulm 52
Not applicableLooking for participantsNCT06096324
What this trial is testing

Education and Employment Support for HIV Prevention in Young Adults (ENSPIRE)

Who this might be right for
Economic HardshipCondomless SexUtilization, Health Care
University of North Carolina, Chapel Hill 500
Not applicableStudy completedNCT03032575
What this trial is testing

Anal HPV Infection and Risk for Anal High-grade Squamous Intraepithelial Lesion Among Thai MSM With Acute HIV Infection

Who this might be right for
Human Papillomavirus Infection
Thai Red Cross AIDS Research Centre 100
Not applicableUnknownNCT05801601
What this trial is testing

Evaluating the Many Ways of Being Program

Who this might be right for
Sexual BehaviorUnprotected Sex
Child Trends 700
Next Page