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Clinical Trial Summary

This study is a mechanistic randomized controlled trial that investigates whether inhibition of tumor necrosis factor signaling via intravenous infusion of infliximab improves psychomotor speed and executive functioning in depressed individuals who exhibit an inflammatory phenotype.


Clinical Trial Description

In this mechanistic RCT, depressed adults who exhibit a pro-inflammatory phenotype (C reactive protein ≥3mg/L) will be randomized on a 1:1 allocation to receive a TNF inhibitor (infliximab) or placebo. Over a two-week follow-up, participants will remotely complete brief, daily assessments of depressive symptoms and psychomotor speed/executive functioning using a mobile-based platform (TestMyBrain) in addition to in-person clinician-rated assessment of depressive symptom severity (Hamilton Depression Rating Scale), anhedonia (Dimensional Anhedonia Rating Scale), and more comprehensive computerized batteries assessing cognitive function (TestMyBrain). Blood will be drawn at baseline and week 1 to assess immune biomarkers (C reactive protein, tumor necrosis factor- alpha and its soluble receptors). Specifically, the study will determine whether randomization to infliximab is associated with improvement in psychomotor speed and executive function. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06136546
Study type Interventional
Source Massachusetts General Hospital
Contact Naoise Mac Giollabhui, PhD
Phone 6177241000
Email nmacgiollabhui@mgh.harvard.edu
Status Not yet recruiting
Phase Phase 2
Start date September 1, 2024
Completion date September 7, 2027

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