Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 6, 2026, 12:36 AM EDT

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Showing 1–20 of 20 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Conversations as a Means to Delay the Onset of Alzheimer's Disease

NCT01571427
Conditions
Mild Cognitive Impairment, Cognitive Change
Interventions
Active social engagement group, Control group
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
70 Years and older
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Portland, Oregon
Completed Phase 1 Interventional Results available

Woebot for Substance Use Disorders

NCT04096001
Conditions
Substance Use Disorders
Interventions
Woebot-SUDs (W-SUDs)
Device
Lead sponsor
Woebot Health
Industry
Eligibility
18 Years to 65 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
San Francisco, California
Conditions
Opioid Use Disorder, Moderate, Opioid Use Disorder, Severe, Criminal Behavior
Interventions
BNI Chatbot, OUD Education & Treatment Resources
Behavioral
Lead sponsor
Center for Progressive Recovery, LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Stress, Emotional
Interventions
ECA System
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Social Isolation, Mental Status Change, Cognitive Impairment, Physical Activity, Quality of Life, Self-Perception
Interventions
Active Social Conversation
Other
Lead sponsor
George Mason University
Other
Eligibility
65 Years to 100 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Manassas, Virginia
Recruiting Not applicable Interventional Accepts healthy volunteers

Pathways to Prevention Food-is-Medicine Trial

NCT07380243
Conditions
Heart Disease, Cardiovascular Health Status
Interventions
Nutrition Education, PRO-CVH, Healthy Conversation Skills, Medically tailored groceries/cooking classes
Behavioral
Lead sponsor
Amrik Singh Khalsa
Other
Eligibility
6 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Accepts healthy volunteers Results available

Internet-based Conversational Engagement Clinical Trial

NCT02871921
Conditions
Aging, Mild Cognitive Impairment
Interventions
Conversational Engagement
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
75 Years and older
Enrollment
186 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
2
States / cities
Boston, Massachusetts • Ann Arbor, Michigan
Conditions
Safety Issues, Injuries, Car Accident
Interventions
CIAS (Computer Intervention Authoring Software), Standard Printed Discharge Instructions
Behavioral
Lead sponsor
Lifespan
Other
Eligibility
Up to 21 Years
Enrollment
295 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Providence, Rhode Island
Completed Early Phase 1 Interventional Accepts healthy volunteers

Sharing History Through Active Reminiscence and Photo-imagery - With MCI

NCT05906667
Conditions
Cognitive Change
Interventions
Sharing History through Active Reminiscence and Photo-imagery (SHARP)
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
55 Years to 95 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Portland, Oregon
Not listed Not applicable Interventional Accepts healthy volunteers

Conversational Agent Vaccine Promotion RCT

NCT04884750
Conditions
Pandemics
Interventions
ECA-ACE Vaccination Promotion Intervention
Behavioral
Lead sponsor
Northeastern University
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Cardiovascular Diseases, Lifestyle Factors
Interventions
Generic text messages, Interactive AI chatbot text messaging, Proactive pharmacist support
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
2,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
3
States / cities
Denver, Colorado • Fort Lupton, Colorado • Wheat Ridge, Colorado
Conditions
Human Papilloma Virus
Interventions
Usual Care, ECA-HPV App with Clinic Notification and Adolescent Functions Disabled, ECA-HPV App with Clinic Notification Function Enabled, ECA-HPV App with Adolescent Function Enabled, ECA-HPV App with Clinic Notification and Adolescent Functions Enabled
Behavioral
Lead sponsor
Tufts Medical Center
Other
Eligibility
8 Years to 12 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of a Multimodal Brain Health Intervention for Older African Americans

NCT04863378
Conditions
Cognitive Impairment, Mild, Cognitive Decline
Interventions
Walking conversational reminiscence
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
65 Years to 110 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Caregiver Burden, Depression, Cognitive Impairment
Interventions
SHARP - Physical and social activity
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Opioid Use Disorder
Interventions
Embodied conversational agent (ECA), Technical support, Additional ECA messages, Additional incentives
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Mental Health Screening Adherence
Interventions
Perinatal Psychoeducation Articles, Bi-weekly Perinatal Mental Health Screening, Chatbot-Guided Journaling, Perinatal-Focused Meditations, Themed Perinatal Learning Pathways
Behavioral
Lead sponsor
Poisera, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Major Depressive Disorder (MDD)
Interventions
Conversational AI system vs Usual Care
Other
Lead sponsor
George Mason University
Other
Eligibility
18 Years to 85 Years
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Fairfax, Virginia
Conditions
Nonsuicidal Self Injury, Suicidal Ideation, Depression, Anxiety
Interventions
Self-guided digital intervention for NSSI, Digital intervention for NSSI with coaching, Active control
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 24 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Alcohol Misuse
Interventions
MICA, TRAC
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Palo Alto, California
Conditions
Development Delay, Social Skills, Parents
Interventions
Parent Training, Video Modeling
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
3 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Las Vegas, Nevada