Joseph Mehltretter

ORCID: 0000-0003-4689-4436
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About
Contact & Profiles
Research Areas
  • Mental Health Research Topics
  • Digital Mental Health Interventions
  • Treatment of Major Depression
  • Machine Learning in Healthcare
  • Mental Health Treatment and Access
  • Functional Brain Connectivity Studies
  • Artificial Intelligence in Healthcare and Education
  • Health Systems, Economic Evaluations, Quality of Life
  • Tryptophan and brain disorders
  • Computational Drug Discovery Methods
  • Patient-Provider Communication in Healthcare
  • Telemedicine and Telehealth Implementation

McGill University
2021-2024

RELX Group (Netherlands)
2024

University of Arizona
2024

Alfred Health
2022

University of Southern California
2019-2021

Southern California University for Professional Studies
2019-2020

Background Recently, artificial intelligence-powered devices have been put forward as potentially powerful tools for the improvement of mental healthcare. An important question is how these impact physician-patient interaction. Aims Aifred an clinical decision support system (CDSS) treatment major depression. Here, we explore use a simulation centre environment in evaluating usability Aifred, particularly its on physician–patient Method Twenty psychiatry and family medicine attending staff...

10.1192/bjo.2020.127 article EN cc-by-nc-nd BJPsych Open 2021-01-01

Background: Deep learning has utility in predicting differential antidepressant treatment response among patients with major depressive disorder, yet there remains a paucity of research describing how to interpret deep models clinically or etiologically meaningful way. In this paper, we describe methods for analyzing clinical and demographic psychiatric data, using our recent work on model STAR*D CO-MED remission prediction. Methods: Our analysis yielded four that predicted the treatments...

10.3389/frai.2019.00031 article EN cc-by Frontiers in Artificial Intelligence 2020-01-21

Background Approximately two-thirds of patients with major depressive disorder do not achieve remission during their first treatment. There has been increasing interest in the use digital, artificial intelligence–powered clinical decision support systems (CDSSs) to assist physicians treatment selection and management, improving personalization best practices such as measurement-based care. Previous literature shows that for digital mental health tools be successful, tool must easy feasible...

10.2196/31862 article EN cc-by JMIR Formative Research 2021-08-23

Depression affects one in nine people, but treatment response rates remain low. There is significant potential the use of computational modeling techniques to predict individual patient responses and thus provide more personalized treatment. Deep learning a promising technique that can be used for differential selection based on predicted remission probability. Using Sequenced Treatment Alternatives Relieve (STAR*D) Combining Medications Enhance Outcomes (CO-MED) trial data, we employed deep...

10.1162/cpsy_a_00029 article EN cc-by Computational Psychiatry 2020-01-01

Major depressive disorder (MDD) is the leading cause of disability worldwide, yet treatment selection still proceeds via "trial and error". Given varied presentation MDD heterogeneity response, use machine learning to understand complex, non-linear relationships in data may be key for personalization. Well-organized, structured from clinical trials with standardized outcome measures useful training models; however, combining across poses numerous challenges. There also persistent concern...

10.1038/s41398-024-02970-4 article EN cc-by Translational Psychiatry 2024-06-21

The objective of this paper is to discuss perceived clinical utility and impact on physician-patient relationship a novel, artificial-intelligence (AI) enabled decision support system (CDSS) for use in treating adults with major depression. A single arm, naturalistic follow-up study aimed at assessing the acceptability useability software. Patients had baseline appointment, followed by minimum two appointments CDSS. Study exit questionnaires interviews were conducted assess utility,...

10.1016/j.jadr.2023.100677 article EN cc-by-nc-nd Journal of Affective Disorders Reports 2023-10-22

Machine-assisted treatment selection commonly follows one of two paradigms: a fully personalized paradigm which ignores any possible clustering patients; or sub-grouping personal differences within the identified groups. While both paradigms have shown promising results, each them suffers from important limitations. In this article, we propose novel deep learning-based approach that is to strike balance between using latent-space prototyping. Our specifically tailored for domains in...

10.1371/journal.pone.0258400 article EN cc-by PLoS ONE 2021-11-12

Abstract Background Depression affects one in nine people, but treatment response rates remain low. There is significant potential the use of computational modelling techniques to predict individual patient responses and thus provide more personalized treatment. Deep learning a promising technique that can be used for differential selection based on predicted remission probability. Methods Using STAR*D CO-MED trial data, we employed deep neural networks after feature selection. Differential...

10.1101/679779 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2019-06-23

Mental health conditions cause a great deal of distress or impairment; depression alone will affect 11% the world's population. The application Artificial Intelligence (AI) and big-data technologies to mental has potential for personalizing treatment selection, prognosticating, monitoring relapse, detecting helping prevent before they reach clinical-level symptomatology, even delivering some treatments. However, unlike similar applications in other fields medicine, there are several unique...

10.48550/arxiv.1903.12071 preprint EN other-oa arXiv (Cornell University) 2019-01-01

<title>Abstract</title> We introduce an artificial intelligence (AI) model aiming to personalize treatment in adult major depression, which was deployed the Artificial Intelligence Depression: Medication Enhancement (AID-ME) Study. Our objectives were predict probabilities of remission across multiple pharmacological treatments, validate predictions, and examine them for biases. Data from 9,042 adults with moderate severe depression antidepressant clinical trials standardized into a common...

10.21203/rs.3.rs-4622658/v1 preprint EN cc-by Research Square (Research Square) 2024-08-05

INTRODUCTION: The pharmacological treatment of Major Depressive Disorder (MDD) relies on a trial-and-error approach. We introduce an artificial intelligence (AI) model aiming to personalize and improve outcomes, which was deployed in the Artificial Intelligence Depression Medication Enhancement (AIDME) Study. OBJECTIVES: 1) Develop capable predicting probabilities remission across multiple treatments for adults with at least moderate major depression. 2) Validate predictions examine them...

10.48550/arxiv.2406.04993 preprint EN arXiv (Cornell University) 2024-06-07

Abstract Major Depressive Disorder (MDD) is a leading cause of disability and there paucity tools to personalize manage treatments. A cluster-randomized, patient-and-rater-blinded, clinician-partially-blinded study was conducted assess the effectiveness safety Aifred Clinical Decision Support System (CDSS) facilitating algorithm-guided care predicting medication remission probabilities using clinical data. Clinicians were randomized Active (CDSS access) or Active-Control group...

10.1101/2024.06.13.24308884 preprint EN cc-by-nc-nd medRxiv (Cold Spring Harbor Laboratory) 2024-06-13

<title>Abstract</title> Major Depressive Disorder (MDD) is a leading cause of disability and there paucity tools to personalize manage treatments. A cluster-randomized, patient-and-rater-blinded, clinician-partially-blinded study was conducted assess the effectiveness safety Aifred Clinical Decision Support System (CDSS) facilitating algorithm-guided care predicting medication remission probabilities using clinical data. Clinicians were randomized Active (CDSS access) or Active-Control group...

10.21203/rs.3.rs-4587945/v1 preprint EN cc-by Research Square (Research Square) 2024-06-25

ABSTRACT Objective Major depressive disorder (MDD) is the leading cause of disability worldwide, yet treatment selection still proceeds via “trial and error”. Given varied presentation MDD heterogeneity response, use machine learning to understand complex, non-linear relationships in data may be key for personalization. Well-organized, structured from clinical trials with standardized outcome measures useful training models; however, combining across poses numerous challenges. There also...

10.1101/2024.02.19.24303015 preprint EN medRxiv (Cold Spring Harbor Laboratory) 2024-02-20

Background: Depression affects one in nine people, but treatment response rates remain low. There is significant potential the use of computational modelling techniques to predict individual patient responses and thus provide more personalized treatment. Deep learning a promising technique that can be used for differential selection based on predicted remission probability. Methods: Using STAR*D CO-MED trial data, we employed deep neural networks after feature reduction. Differential benefit...

10.2139/ssrn.3309427 article EN SSRN Electronic Journal 2018-01-01

ABSTRACT Objective Aifred is an artificial intelligence (AI)-powered clinical decision support system (CDSS) for the treatment of major depression. Here, we explore use a simulation centre environment in evaluating usability Aifred, particularly its impact on physician-patient interaction. Methods Twenty psychiatry and family medicine attending staff residents were recruited to complete 2.5-hour study at interaction with standardized patients. Each physician had option using CDSS inform...

10.1101/2020.03.20.20039255 preprint EN cc-by-nc-nd medRxiv (Cold Spring Harbor Laboratory) 2020-03-23

Abstract Aifred is a clinical decision support system (CDSS) that uses artificial intelligence to assist physicians in selecting treatments for major depressive disorder (MDD) by providing probabilities of remission different treatment options based on patient characteristics. We evaluated the utility CDSS as perceived participating simulated interactions. Twenty psychiatry and family medicine staff residents completed study which each physician had three 10-minute interactions with...

10.1101/2021.04.21.21255899 preprint EN cc-by-nc-nd medRxiv (Cold Spring Harbor Laboratory) 2021-04-25
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