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 “PreP”

730 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 730 results

Large-scale testing (Phase 3)Ended earlyNCT04374942
What this trial is testing

Does Hydroxychloroquine Before & During Patient Exposure Protect Healthcare Workers From Coronavirus?

Who this might be right for
Pre-Exposure ProphylaxisCoronavirusSARS-CoV 2
Megan Landes 13
Not applicableStudy completedNCT04533386
What this trial is testing

A Multicomponent Intervention to Increase HIV Risk Perceptions and PrEP Initiation Among Black Men Who Have Sex With Men

Who this might be right for
HIV Risk PerceptionPrEP
George Washington University 69
Not applicableLooking for participantsNCT07834853
What this trial is testing

El Camino HIV Prevention and Care Study

Who this might be right for
HIV Infections
American University 50
Testing effectiveness (Phase 2)Study completedNCT06126328
What this trial is testing

Materna Prep Study Phase II

Who this might be right for
Vaginal DeliveryPelvic Organ Prolapse
Materna Medical 214
Not applicableStudy completedNCT03221309
What this trial is testing

Hepatitis C Treatment to Prevent HIV, Initiate Opioid Substitution Therapy, and Reduce Risky Behavior

Who this might be right for
HCVBuprenorphinePreP
University of Maryland, Baltimore 198
Not applicableUnknownNCT03253757
What this trial is testing

PrEP Impact Trial: A Pragmatic Health Technology Assessment of PrEP and Implementation

Who this might be right for
HIV Infections
St Stephens Aids Trust 10,000
Not applicableLooking for participantsNCT06501781
What this trial is testing

Peer Behavioral Activation Utilization to Improve Substance Use and HIV Outcomes in People Receiving Long Acting Injectable-PrEP/ART (PUSH)

Who this might be right for
HIV InfectionsSubstance Use
University of Maryland, Baltimore 186
Not applicableStudy completedNCT05984030
What this trial is testing

Supporting Tailored And Responsive PrEP in Rural North Carolina

Who this might be right for
HIV Pre-Exposure Prophylaxis
University of North Carolina, Chapel Hill 17
Not applicableStudy completedNCT03049176
What this trial is testing

The Impact and Cost-effectiveness of Safer Conception Strategies for HIV-discordant Couples (SAFER)

Who this might be right for
HIV Infections
University of California, San Francisco 46
Not applicableNot Yet RecruitingNCT07472127
What this trial is testing

Professional Readiness Through Emotional Preparedness (PREP)

Who this might be right for
Burnout
AdventHealth 212
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
Testing effectiveness (Phase 2)Not Yet RecruitingNCT07510048
What this trial is testing

Combatting HIV Or Other STIs Early (CHOOSE)

Who this might be right for
HIVSTIsSTIs Prevention+1 more
Westat 200
Very early researchActive Not RecruitingNCT03255915
What this trial is testing

PrEP-Pod-IVR (TDF-FTC/Placebo IVR 28 Day Crossover Study)

Who this might be right for
HIV Prevention
Oak Crest Institute of Science 15
Not applicableUnknownNCT03281343
What this trial is testing

Linking Women to PrEP Care

Who this might be right for
Prevention
Rhode Island Hospital 80
Not applicableStudy completedNCT03975517
What this trial is testing

Sexual Risks in Prep Users

Who this might be right for
HIV InfectionPrep PrescriptionVaccinations+1 more
University Hospital, Strasbourg, France 200
Not applicableStudy completedNCT01906255
What this trial is testing

Adherence, HIV-1 Infection, Resistance, and Renal and Skeletal Adverse Event in Individuals Taking Truvada® for HIV Pre-Exposure Prophylaxis (PrEP)

Who this might be right for
HIV
Gilead Sciences 10,577
Not applicableStudy completedNCT03254550
What this trial is testing

PrEP Demonstration Study in Swaziland

Who this might be right for
HIV Negative People Identified at Substantial Risk for HIV Infection
Clinton Health Access Initiative Inc. 517
Not applicableStudy completedNCT04269434
What this trial is testing

GonoScreen: Efficacy of Screening STIs in MSM

Who this might be right for
Neisseria Gonorrhoeae InfectionChlamydia Trachomatis Infection
Institute of Tropical Medicine, Belgium 1,014
Large-scale testing (Phase 3)Study completedNCT04331834
What this trial is testing

Pre-Exposure Prophylaxis With Hydroxychloroquine for High-Risk Healthcare Workers During the COVID-19 Pandemic

Who this might be right for
COVID-19
Barcelona Institute for Global Health 275
Not applicableUnknownNCT03637244
What this trial is testing

Decision Support Intervention Adapted for HIV Pre-Exposure Prophylaxis for Adoption and Adherence for Black Canadians

Who this might be right for
HIV/AIDS
Unity Health Toronto 90
Next Page