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
  • About
  • Privacy

© 2026 Crick. All rights reserved.

Crick is for educational purposes only. Not medical advice.

Results for “Harm Reduction”

167 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 167 results

Not applicableLooking for participantsNCT07199517
What this trial is testing

Catalyzing Cigarette Smoking Cessation Through Harm Reduction Sampling Among People Unmotivated to Quit

Who this might be right for
Cigarette SmokingTobacco UseCigarette Smoking Behavior
Abramson Cancer Center at Penn Medicine 472
Not applicableUnknownNCT04927455
What this trial is testing

Pilot Study to Evaluate "Intégrer et Accompagner Les Consommations d'Alcool!" (IACA!)'s Impact and Transferability

Who this might be right for
CravingAddiction, AlcoholAlcoholism
University Hospital, Bordeaux 32
Not applicableActive Not RecruitingNCT05123313
What this trial is testing

Medication Use and Quality of Life Among Older People

Who this might be right for
Quality of LifeReduction, Harm
Odense University Hospital 188
Not applicableStudy completedNCT05096429
What this trial is testing

Preventing Overdose Using Information and Data From the Environment

Who this might be right for
Opioid OverdoseDrug Overdose
Brown University 39
Not applicableLooking for participantsNCT06341504
What this trial is testing

Prevention Messages for EGMs: Effects on Behaviours and Cognitions

Who this might be right for
Gambling
Benjamin Galipeau 80
Large-scale testing (Phase 3)Study completedNCT00183183
What this trial is testing

Impact of a Brief Motivational Interview on Drinking Behaviors of At Risk Drinkers Screened in the Emergency Room

Who this might be right for
Alcohol Abuse
UConn Health 1,137
Not applicableLooking for participantsNCT06948058
What this trial is testing

Clinical Research Evaluating Smoking Cessation With E-Cigarettes and Nicotine Therapy

Who this might be right for
Smoking CessationObesity and Obesity-related Medical Conditions
Brown University 60
Not applicableStudy completedNCT02288416
What this trial is testing

Video-Based Intervention in Reducing Anxiety in Patients Undergoing Lung Cancer Screening

Who this might be right for
AnxietyNo Evidence of DiseaseLung Carcinoma
City of Hope Medical Center 20
Not applicableStudy completedNCT01202942
What this trial is testing

Use and Harm Exposure in New Low Nicotine Cigarettes

Who this might be right for
Cigarette Smoking
University of Pennsylvania 246
Not applicableStudy completedNCT03522103
What this trial is testing

Cannabis Observational Study on Mood, Inflammation, and Cognition

Who this might be right for
InflammationInflammatory ResponseMood+1 more
University of Colorado, Denver 421
Not applicableNot Yet RecruitingNCT07177014
What this trial is testing

Impact of Stress First Aid for Workers in Substance Misuse Settings

Who this might be right for
Occupational Health
University of Texas at Austin 500
Not applicableLooking for participantsNCT05404750
What this trial is testing

Harm Reduction in HIV Primary Care for PLWH Who Use Drugs

Who this might be right for
Human Immunodeficiency VirusSubstance UseStigma, Social
University of Pittsburgh 768
Not applicableStudy completedNCT04968275
What this trial is testing

A Cannabis Harm Reduction e-Intervention for Young Cannabis Users With Early Psychosis

Who this might be right for
Psychotic DisorderMarijuana UseYoung Adult
Centre hospitalier de l'Université de Montréal (CHUM) 101
Not applicableNot Yet RecruitingNCT06526286
What this trial is testing

Clinical Decision Support to Increase Use of Medications for Opioid Use Disorder

Who this might be right for
Medication AbuseHarm ReductionOpioid Use Disorder+1 more
University of Colorado, Denver 200,000
Not applicableStudy completedNCT02603536
What this trial is testing

WelTelOAKTREE: Text Messaging to Support Patients With HIV/AIDS in British Columbia

Who this might be right for
HIVMedication Adherence
BC Women's Hospital & Health Centre 85
Not applicableLooking for participantsNCT05516069
What this trial is testing

Our Healthbox - Evaluating Interactive Dispensing Systems for Low-Barrier Access to HIV Testing and Harm Reduction.

Who this might be right for
HIVHIV Self-testingHarm Reduction+2 more
Unity Health Toronto 5,000
Not applicableStudy completedNCT02825459
What this trial is testing

Does Abstinence From E-cigarettes Produce Withdrawal Symptoms?

Who this might be right for
Substance Withdrawal Syndrome
University of Vermont 147
Not applicableLooking for participantsNCT06373679
What this trial is testing

Switch or Quit R01

Who this might be right for
Cigarette SmokingSmoking Behaviors
Medical University of South Carolina 225
Large-scale testing (Phase 3)Looking for participantsNCT05613608
What this trial is testing

Alcohol Use Disorder and Cannabidiol

Who this might be right for
Alcohol Use Disorder
University of Colorado, Denver 180
Not applicableNot Yet RecruitingNCT06527040
What this trial is testing

Clinical Decision Support for Safety of Opioid Transitions

Who this might be right for
Medication AbuseHarm Reduction
University of Colorado, Denver 200,000
Load More Results