Teduglutide vs Leu-enkephalin
Head-to-head comparison of Teduglutide (Teduglutide (glycyl-2 human glucagon-like peptide-2 analog)) and Leu-enkephalin (Tyr-Gly-Gly-Phe-Leu) — benefits, dosing, side effects, research data, and where to buy.
Research Score
| Property | Teduglutide | Leu-enkephalin |
|---|---|---|
| Category | Gastrointestinal | Pain Management |
| Full Name | Teduglutide (glycyl-2 human glucagon-like peptide-2 analog) | Tyr-Gly-Gly-Phe-Leu |
| Molecular Weight | 3752 Da | 555.63 Da |
| Half-Life | approximately 2-3 hours | 1-5 minutes in plasma |
| Amino Acids | 33 | 5 |
| Typical Dose | 0.05 mg/kg/day | 0.1-5 ug per animal |
| Route | Subcutaneous | Intrathecal / intracerebroventricular |
| Purity | ≥98% | ≥98% |
| Studies Count | 300 | 1000 |
| Research Status | Clinical | Pre-clinical |
Teduglutide Benefits
- ✓mucosal-growth
- ✓absorption-support
- ✓barrier-repair
- ✓intestinal-adaptation
Leu-enkephalin Benefits
- ✓delta-opioid activity
- ✓endogenous analgesic model
- ✓receptor-selective pharmacology
- ✓nociception pathway research
Teduglutide Dosing
0.05 mg/kg once daily subcutaneous injection|chronic maintenance dosing in approved use|monitor fluid status and intestinal anatomy
Leu-enkephalin Dosing
Intrathecal 0.1-5 ug per animal|Intracerebroventricular 0.1-2 ug per animal|In vitro 1-100 nM
Teduglutide Side Effects
- ⚠abdominal pain
- ⚠fluid retention
- ⚠polyp/neoplasia monitoring needed
Leu-enkephalin Side Effects
- ⚠sedation
- ⚠constipation-like opioid effects
- ⚠very short plasma stability
Research Overview
Teduglutide
Teduglutide has robust clinical evidence showing improved intestinal absorption and reduced parenteral nutrition dependence in short bowel syndrome. Its mechanism, via GLP-2 receptor activation, makes it highly relevant to mucosal healing and intestinal adaptation research.
Leu-enkephalin
Leu-enkephalin is a standard tool in opioid receptor and pain-transmission research because it helps distinguish delta- from mu-preferring signaling. Its research value is high, but its clinical utility is limited by rapid enzymatic breakdown and delivery challenges.
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