Thymosin Alpha-1 Shows Antidepressant Effects: Small Study Results

Small study found indications of antidepressive effects of thymosin alpha-1, a thymic peptide, suggesting immune-modulating peptides may influence mood disorders.

Aynekulu Mersha, Daniël G et al.·Brain·2025·
RPEP-100272025RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Not classified
Evidence
Not graded
Sample
Not reported

What This Study Found

Small study found indications of antidepressive effects of thymosin alpha-1, a thymic peptide, suggesting immune-modulating peptides may influence mood disorders.

Key Numbers

How They Did This

In publication.

Why This Research Matters

Relevant to peptide therapeutics.

The Bigger Picture

Advances peptide evidence.

What This Study Doesn't Tell Us

In publication.

Questions This Raises

  • ?Long-term implications?
  • ?Evidence comparison?
  • ?Next steps?

Trust & Context

Key Stat:
Key finding Small study found indications of antidepressive effects of thymosin alpha-1, a thymic peptide, sugge
Evidence Grade:
Based on design.
Study Age:
Published in 2025.
Original Title:
Indications for an antidepressive effect of thymosin alpha-1 in a small open-label proof of concept study in common variable immune deficiency patients with depression.
Published In:
Brain, behavior, & immunity - health, 43, 100934 (2025)
Database ID:
RPEP-10027

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / ObservationalSnapshot without intervening
This study
Case Report / Animal Study
What do these levels mean? →

Frequently Asked Questions

What does this mean?

Small study found indications of antidepressive effects of thymosin alpha-1, a thymic peptide, suggesting immune-modulating peptides may influence mood disorders.

How reliable?

Consult publication.

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Cite This Study

RPEP-10027·https://rethinkpeptides.com/research/RPEP-10027

APA

Aynekulu Mersha, Daniël G; Fromme, Sarah E; van Boven, Frank; Arteaga-Henríquez, Gara; Wijkhuijs, Annemarie; van der Ent, Marianne; Bergmans, Raf; Baune, Bernard T; Drexhage, Hemmo A; Dalm, Virgil. (2025). Indications for an antidepressive effect of thymosin alpha-1 in a small open-label proof of concept study in common variable immune deficiency patients with depression.. Brain, behavior, & immunity - health, 43, 100934. https://doi.org/10.1016/j.bbih.2024.100934

MLA

Aynekulu Mersha, Daniël G, et al. "Indications for an antidepressive effect of thymosin alpha-1 in a small open-label proof of concept study in common variable immune deficiency patients with depression.." Brain, 2025. https://doi.org/10.1016/j.bbih.2024.100934

RethinkPeptides

RethinkPeptides Research Database. "Indications for an antidepressive effect of thymosin alpha-1..." RPEP-10027. Retrieved from https://rethinkpeptides.com/research/aynekulu-2025-indications-for-an-antidepressive

Access the Original Study

Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.

This study breakdown was produced by the RethinkPeptides research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.