Spermidine

Research Papers and Clinical Trials

The available research on spermidine spans several areas, though most studies focus on related compounds or mechanisms rather than direct spermidine interventions.

Preclinical Research

Recent studies have explored spermidine's role in various biological processes. One investigation examined how gut-derived cinnamic acid affects allergic airway inflammation through a pathway involving spermidine and protein modification processes (PMID: 42414296). Another study characterized polyamine composition, including spermidine, in microgreens following nettle treatment (PMID: 42412990).

Research has also identified abnormal polyamine metabolism, which includes spermidine pathways, in pancreatic cells and its potential connection to chronic pancreatitis-related changes (PMID: 42411476). Additionally, investigators have studied associations between amino acid metabolic changes and gingival overgrowth in kidney transplant patients, touching on pathways that may involve spermidine metabolism (PMID: 42410398).

One paper provided commentary on spermidine's therapeutic potential in rheumatoid arthritis, though this appears to be a commentary rather than original research (PMID: 42421610).

Clinical Trials

Several clinical trials have investigated spermidine or related compounds, though details about study designs and sample sizes are limited in the available evidence:

• A completed Phase 2 trial examined "Polyamine Treatment in Elderly Patients With Coronary Artery Disease" (NCT06186102), though specific results are not provided
• A completed study investigated "Safety and Efficacy of KH-1 for Stimulating Autophagy in Non-diabetic Adults With Elevated Blood Glucose Concentration" (NCT06445569)
• One trial focused on "Treatment of Peri-implant Mucositis by Application of a Spermidine-based Gel" (NCT05926557), though its current status is unknown
• Additional studies examined metabolic health and venous endothelial function (NCT06790407, NCT04138134)

Limitations

The evidence base is limited by several factors: most studies are recent (2026) and may represent preliminary findings, sample sizes and detailed methodologies are not provided in the available abstracts, and many clinical trials lack reported outcomes or clear completion status. The research appears to focus more on spermidine's role in biological pathways rather than direct therapeutic applications.

Medical Disclaimer: This information is for educational purposes only and should not be considered personalized medical advice. Consult healthcare providers for medical decisions.