Evaluating the Effectiveness and Acceptability of a GPT-4o and RAG-Based Voice Chatbot for Depression Screening Using PHQ-9

Enrolling by invitationOBSERVATIONAL
Enrollment

100

Participants

Timeline

Start Date

February 1, 2025

Primary Completion Date

March 31, 2025

Study Completion Date

May 31, 2025

Conditions
Depression - Major Depressive DisorderDepression Anxiety Disorder
Interventions
PROCEDURE

GPT-4o and RAG Voice Chatbot for PHQ-9 Screening

"This study involves the use of a voice-based chatbot powered by GPT-4o and Retrieval-Augmented Generation (RAG) to conduct depression screening using the Patient Health Questionnaire-9 (PHQ-9).~The chatbot aims to evaluate the feasibility and acceptability of using AI-powered conversational tools for mental health screening.~Participants interact with the chatbot in a single session, answering PHQ-9 questions and receiving responses generated using GPT-4o and RAG technologies."

Trial Locations (1)

NW1 2DA

UCL Institute of Health Informatics, London

All Listed Sponsors
lead

University College, London

OTHER