• Home
  • Store
    • Newsletter Subscriptions
    • Multimedia
    • Books
    • eBooks
    • ABPN SA Courses
    • Social Work Courses
  • CME Center
  • Multimedia
    • Podcast
    • Webinars
    • Blog
    • Psychiatry News Videos
    • Medication Guide Videos
  • Newsletters
    • General Psychiatry
    • Child Psychiatry
    • Addiction Treatment
    • Hospital Psychiatry
    • Geriatric Psychiatry
    • Psychotherapy and Social Work
  • FAQs
  • Med Fact Book App
  • Log In
  • Register
  • Welcome
  • Sign Out
  • Subscribe
Home » Age Matters in Antidepressant Response
Research Update

Age Matters in Antidepressant Response

November 9, 2023
José S. Sanchez-Cruz, MD.
From The Carlat Psychiatry Report
Issue Links: Editorial Information | PDF of Issue

José S. Sanchez-Cruz, MD. Dr. Sanchez-Cruz has no financial relationships with companies related to this material.

Review of: Strawn J et al, J Psychiatric Res 2023;159:266–273

Study Type: “Mega-analysis” of three randomized-controlled trials

The trial-and-error approach of matching antidepressants with likely responders leaves many prescribers and patients frustrated. This new ­“mega-analysis” sheds light on which age groups benefit most from antidepressants, as well as which sex. 

A mega-analysis is like a meta-analysis, but it goes one step further. Instead of looking at aggregated study results, it combines and analyzes the data of individual participants to uncover results that may have been missed by other methods. This study combined data from three major randomized controlled trials sponsored by the National Institute of Mental Health. The final sample included 907 participants who had been randomly assigned to antidepressant monotherapy (bupropion, citalopram, escitalopram, fluoxetine, mirtazapine, paroxetine, or venlafaxine). Two-thirds were female, three-quarters were non-White, and the median age was 30. More than half of patients had comorbid anxiety disorders. Participants’ depression scores were measured and standardized using the Clinical Global Impression Severity (CGI-S) scale, in which a higher score corresponds to more severe illness. Participants’ scores were measured at baseline and throughout treatment. 

The results of this study confirm what previous studies and clinicians have long suspected: Age and sex matter when it comes to antidepressant response. After controlling for anxiety disorders, the researchers found the most robust response to antidepressants occurred at 12 weeks in people ages 21–35 years (coefficient -0.668 +/- 0.060, p<0.001), followed by ages 36–55 years (-0.391 +/- 0.055, p<0.001), and those over 55 years old (-0.161 +/- 0.067, p=0.014). Across all age groups, females showed greater improvement than males (-0.284 +/- 0.039, p<0.001).

There are some limitations of this mega-analysis. The three original studies used different types of antidepressants. One study required conversion of the Quick Inventory of Depressive Symptomatology to the CGI-S to standardize the measurement tool. One of the studies with youths may have had more individuals with treatment-resistant depression. 

CARLAT TAKE 

These findings suggest the savvy prescriber can anticipate a less robust response to antidepressants in patients who are younger than 21 or older than 55, as well as in males to some extent. Although this study does not tell us where to go with these patients, other research points to the benefits of psychotherapy for pediatric and geriatric populations.

General Psychiatry Research Update
KEYWORDS antidepressants mood disorders
    José S. Sanchez-Cruz, MD.

    More from this author
    www.thecarlatreport.com
    Issue Date: November 9, 2023
    SUBSCRIBE NOW
    Table Of Contents
    Learning Objectives, Adult ADHD, TCPR, November/December 2023
    Binge Eating Disorder: Management and Treatment Options
    Adult ADHD Treatment Challenges
    Migraine in the Psychiatric Patient
    How Does Ketamine Compare to ECT in Treatment-Resistant Depression?
    Surprise Result for Adherence in Bipolar Disorder
    Age Matters in Antidepressant Response
    Health Benefits of a Silly Walk
    Mirtazapine Augmentation in OCD
    Can We Predict Suicidal Behaviors by Tracking Dreams?
    CME Post-Test Adult ADHD, TCPR, November/December 2023
    DOWNLOAD NOW
    Featured Book
    • MFB7e_Print_App_Access.png

      Medication Fact Book for Psychiatric Practice, Seventh Edition (2024) - Regular Bound Book

      The updated 2024 reference guide covering the most commonly prescribed medications in psychiatry.
      READ MORE
    Featured Video
    • KarXT (Cobenfy)_ The Breakthrough Antipsychotic That Could Change Everything.jpg
      General Psychiatry

      KarXT (Cobenfy): The Breakthrough Antipsychotic That Could Change Everything

      Read More
    Featured Podcast
    • shutterstock_2622607431.jpg
      General Psychiatry

      Should You Test MTHFR?

      MTHFR is a...
      Listen now
    Recommended
    • Join Our Writing Team

      July 18, 2024
      WriteForUs.png
    • Insights About a Rare Transmissible Form of Alzheimer's Disease

      February 9, 2024
      shutterstock_2417738561_PeopleImages.com_Yuri A.png
    • How to Fulfill the DEA's One Time, 8-Hour Training Requirement for Registered Practitioners

      May 24, 2024
      DEA_Checkbox.png
    • Join Our Writing Team

      July 18, 2024
      WriteForUs.png
    • Insights About a Rare Transmissible Form of Alzheimer's Disease

      February 9, 2024
      shutterstock_2417738561_PeopleImages.com_Yuri A.png
    • How to Fulfill the DEA's One Time, 8-Hour Training Requirement for Registered Practitioners

      May 24, 2024
      DEA_Checkbox.png
    • Join Our Writing Team

      July 18, 2024
      WriteForUs.png
    • Insights About a Rare Transmissible Form of Alzheimer's Disease

      February 9, 2024
      shutterstock_2417738561_PeopleImages.com_Yuri A.png
    • How to Fulfill the DEA's One Time, 8-Hour Training Requirement for Registered Practitioners

      May 24, 2024
      DEA_Checkbox.png

    About

    • About Us
    • CME Center
    • FAQ
    • Contact Us

    Shop Online

    • Newsletters
    • Multimedia Subscriptions
    • Books
    • eBooks
    • ABPN Self-Assessment Courses

    Newsletters

    • The Carlat Psychiatry Report
    • The Carlat Child Psychiatry Report
    • The Carlat Addiction Treatment Report
    • The Carlat Hospital Psychiatry Report
    • The Carlat Geriatric Psychiatry Report
    • The Carlat Psychotherapy Report

    Contact

    carlat@thecarlatreport.com

    866-348-9279

    PO Box 626, Newburyport MA 01950

    Follow Us

    Please see our Terms and Conditions, Privacy Policy, Subscription Agreement, Use of Cookies, and Hardware/Software Requirements to view our website.

    © 2025 Carlat Publishing, LLC and Affiliates, All Rights Reserved.