70.0 B
Thymosin Alpha-1
Also known as: Zadaxin, TA-1
Strong Clinical Evidence Category 2 Restricted
Research Evidence 90.0/100
Safety Profile 50.0/100
71 Clinical Trials
Unknown: 4 PHASE4: 12 PHASE3: 10 PHASE2: 25 PHASE1, PHASE2: 3 PHASE1: 5 NA: 11 EARLY_PHASE1: 1
- Neoadjuvant Chemoradiotherapy Combined With PD-1 Inhibitor and Thymalfasin for Locally Advanced Mid-low Rectal Cancer Unknown Phase UNKNOWN Beijing Friendship Hospital
- Long-term Prognosis of Patients With Sepsis After Immunotherapy Unknown Phase NOT_YET_RECRUITING Sun Yat-sen University
- Tonsillar Retractor-induced Subacute Submassive Tongue Edema Unknown Phase COMPLETED Selcuk University
- Tongue Depressor-related Ischemia-Reperfusion Injury in Tongue Unknown Phase COMPLETED Selcuk University
- Thymosin Alpha-1 for irAE Secondary to ICIs PHASE4 UNKNOWN Jun Wang
Showing 5 of 71 trials.
20 Research Papers
- Large enhancement of effective spin-orbit torque efficiency by optimizing the capping layer thickness in Ta/Pt/Co trilayer. J Phys Condens Matter unknown
- IL-15 Plus Thymosin α1 Reduces Senescent Hepatic CD8(+) T Cells in Hepatocellular Carcinoma via PI3K/AKT Suppression. J Gastroenterol Hepatol unknown
- Bioactive sago starch films incorporating tannic acid and nanocellulose: Improved antimicrobial and barrier performance for prolonged shelf life. Int J Biol Macromol unknown
- Corrigendum to "Pentoxifylline and berberine mitigate diclofenac-induced acute nephrotoxicity in male rats via modulation of inflammation and oxidative stress" [Biomed. Pharmacother. 152 (2022) 113225]. Biomed Pharmacother unknown
- Enhancing Antithermal Quenching in YTa(1-x)Nb(x)O(4):Tb(3+) Phosphor Based on Excitation Driving and Energy Transfer. Inorg Chem unknown
Showing 5 of 20 papers by citation count.
FDA Data
Not FDA-Approved
Thymosin Alpha-1 has not been evaluated by the FDA for safety or efficacy. It is not approved for human therapeutic use in the United States.
This peptide is classified as FDA Category 2 — it is prohibited from use in compounding pharmacies effective 2024. Obtaining it requires unregulated sources.
Frequently Asked Questions
Is Thymosin Alpha-1 FDA approved?
No, Thymosin Alpha-1 is not FDA approved. It is classified as FDA Category 2 and is banned from compounding pharmacies.
How many clinical trials has Thymosin Alpha-1 been studied in?
Thymosin Alpha-1 has been studied in 71 registered clinical trials. CheckPeptides tracks phase, status, and sponsor data for each trial.
What is the trust score for Thymosin Alpha-1?
Thymosin Alpha-1 has a CheckPeptides trust score of 70.0/100 (grade: B). This score is based on clinical trial volume, research paper quality, FDA data, and evidence classification.
Last verified: April 7, 2026
Quick Facts
- Classification
- Thymic peptide
- Regulatory Status
- N/A
Score Breakdown
Research Evidence 90.0/100
Safety Profile 50.0/100
Evidence Summary
- Clinical Trials
- 71
- Research Papers
- 20
- Trust Score
- 70.0/100
- Grade
- B