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Showing 1–11 of 11 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Embodied Conversational Agent Clear all
Completed No phase listed Observational

Gabby Implementation: Parent Protocol

NCT04514224
View directory record Official record
Conditions
Preconception Care
Interventions
Gabby implementation, Evaluate the Gabby implementation
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years to 39 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 7, 2022 · Synced Sep 2, 2026, 5:37 AM EDT
Recruiting Not applicable Interventional

Sustaining Recovery for People on Opioid Agonist Treatment With Conversational Agents

NCT06732596
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 2, 2025 · Synced Sep 2, 2026, 5:37 AM EDT
Terminated Not applicable Interventional

Conversational Agents to Improve HPV Vaccine Acceptance in Primary Care (ECA-HPV)- Clinical Trial

NCT06367699
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 14, 2025 · Synced Sep 2, 2026, 5:37 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

ECA-enhanced Document Explanation RCT

NCT06435819
View directory record Official record
Conditions
Healthy
Interventions
Embodied Conversational Agent (ECA)
Other
Lead sponsor
Northeastern University
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Sep 2, 2026, 5:37 AM EDT
Enrolling by invitation Not applicable Interventional

Improving PRO for Patients With Cancer Using ECAs and Data Visualization

NCT05948618
View directory record Official record
Conditions
Cancer
Interventions
Embodied Conversational Agent, REDCap Survey
Behavioral
Lead sponsor
Tufts 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
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 2, 2026, 5:37 AM EDT
Completed Not applicable Interventional

Study Buddy (an ECA Oncology Trial Advisor) for Cancer Trials

NCT02742740
View directory record Official record
Conditions
Patient Satisfaction, Patient Compliance, Guideline Adherence
Interventions
Chemo Buddy
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 24, 2018 · Synced Sep 2, 2026, 5:37 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Conversational Agent Vaccine Promotion RCT

NCT04884750
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 21, 2023 · Synced Sep 2, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

ECA vs E-Document Explanation

NCT03381911
View directory record Official record
Conditions
Literacy, Information Disclosure
Interventions
Embodied Conversational Agent
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
21 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 11, 2018 · Synced Sep 2, 2026, 5:37 AM EDT
Completed Not applicable Interventional

Conversational Agents to Improve Quality of Life in Palliative Care

NCT02750865
View directory record Official record
Conditions
Palliative Care
Interventions
Embodied Conversational Agent (ECA)
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
21 Years and older
Enrollment
367 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 12, 2023 · Synced Sep 2, 2026, 5:37 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Agent-Enhanced Document Explanation

NCT02668705
View directory record Official record
Conditions
Mental Competency
Interventions
Embodied Conversational Agent
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
21 Years and older
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 24, 2016 · Synced Sep 2, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Engaging Women With the Gabby System to Deliver Multiple Health-Related Behavioral Changes: A Feasibility Study

NCT02965651
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 15, 2017 · Synced Sep 2, 2026, 5:37 AM EDT