Lixisenatide
Also known as: Adlyxin, Lyxumia
A short-acting GLP-1 receptor agonist primarily affecting postprandial (after-meal) glucose control. Originally marketed as Lyxumia for type 2 diabetes management. Discontinued in the US market in 2023 but remains available in Europe and other regions. Structurally distinct from longer-acting GLP-1 agonists due to its rapid onset and short half-life.
Beginner Basics
Plain-English guide to Lixisenatide
What it does
This peptide helps your body control blood sugar levels, especially after eating meals. Researchers study it because it works quickly and also helps with modest weight loss by making your body release insulin more effectively.
Typical dose
Researchers typically start with 10 micrograms once daily for 2 weeks, then increase to 20 micrograms daily. It's injected under the skin.
When to inject
Inject within 1 hour before your first meal of the day so it's active when you eat.
Storage
Keep the powder in the freezer at -4°F (-20°C). Once mixed with liquid, store in the refrigerator between 36-46°F and use within 28 days. Keep it away from direct light.
First-timer tip
Start with the lower 10-microgram dose for your first 2 weeks to let your body adjust before moving to the full 20-microgram dose.
On This Page
Research Status
Extensive Clinical Data
For research purposes only. Not approved for human use. Not medical advice.
Research Areas
Side Effects
Occurs in 20-40% of users, typically during the first 1-2 weeks of treatment. Usually resolves with continued use. Eating smaller, more frequent meals and avoiding fatty foods may help. Ginger supplements or anti-nausea medication (e.g., ginger tea, vitamin B6) may provide relief.
Reported in 5-15% of users, usually mild and transient. More common during dose escalation. Discontinue use and seek medical advice if vomiting is severe or persistent.
Occurs in 10-20% of users. Usually mild and self-resolving within 1-2 weeks. Increase fiber intake gradually and ensure adequate hydration. Avoid high-fat meals which may exacerbate symptoms.
Reported in 5-10% of users. Increase water intake, dietary fiber, and physical activity. Stool softeners may be used if needed.
Mild cramping or discomfort reported in 10-15% of users, typically during the first 1-2 weeks. Usually resolves without intervention. Avoid large meals and eat slowly.
Reported in 5-10% of users. Usually mild and transient. Ensure adequate hydration and rest. Over-the-counter analgesics (e.g., acetaminophen) may be used if needed.
May occur due to rapid glucose lowering, particularly if combined with other glucose-lowering medications. Rise slowly from sitting or lying positions. Ensure adequate food intake.
Risk is low when lixisenatide is used as monotherapy but increases significantly when combined with insulin or sulfonylureas. Symptoms include tremor, sweating, palpitations, anxiety, and confusion. Always carry fast-acting carbohydrates (glucose tablets, juice). Monitor blood glucose regularly if using combination therapy. Seek immediate medical attention if severe hypoglycemia occurs.
Mild redness, itching, or swelling at the injection site reported in 5-10% of users. Usually resolves within hours. Rotate injection sites to prevent lipodystrophy. Apply ice if swelling occurs.
Localized fat loss or thickening can occur with repeated injections at the same site. Prevent by rotating injection sites systematically with each dose. Maintain at least 1 inch between injection points.
Rare but serious adverse event reported in clinical trials and post-marketing surveillance. Symptoms include severe upper abdominal pain, back pain, nausea, vomiting, and elevated pancreatic enzymes. Seek immediate medical attention if these symptoms develop. Discontinue use and do not restart.
Rare cases of acute kidney injury reported, particularly in patients with pre-existing renal impairment or severe dehydration. Monitor renal function if using lixisenatide. Ensure adequate hydration, especially if experiencing vomiting or diarrhea. Seek medical attention if urine output decreases or signs of kidney dysfunction develop.
Rare but serious. Symptoms include rash, itching, swelling of face/lips/throat, difficulty breathing, or anaphylaxis. Seek immediate emergency medical attention if any signs of allergic reaction develop. Do not use lixisenatide if you have a known allergy to lixisenatide or any GLP-1 receptor agonist.
Mild increase in heart rate reported in some users. Usually transient and resolves with continued use. Monitor heart rate regularly. Seek medical attention if palpitations or chest discomfort develop.
Reported in 5-10% of users, typically during the first 1-2 weeks. Usually resolves with continued use. Ensure adequate nutrition and sleep. Seek medical attention if fatigue is severe or persistent.
Dosing Reference
| Parameter | Value |
|---|---|
| Dose range | 10-20 mcg |
Frequency, timing and route - members only | |
Research disclaimer
Figures drawn from published research literature and community logs. Not clinical recommendations. Consult a qualified professional. Research use only.
Reconstitution Guide
Do not use saline or bacteriostatic saline, use only bacteriostatic water for reconstitution
Do not shake the vial vigorously; gentle swirling prevents peptide degradation
Discard immediately if the solution appears cloudy, discolored, or contains visible particles
Use within 30 days of reconstitution when stored at 2-8°C
Do not freeze the reconstituted solution; freezing may denature the peptide
Use the PeptideVolt reconstitution calculator for your exact concentration
Storage and Stability
Store lyophilized peptide at -20°C. Refrigerate reconstituted solution at 2-8°C (36-46°F). Protect from light. Use within 28 days of reconstitution.
Molecular and Pharmacological Data
| Molecular weight | 4175 Da |
| Half-life | 2-3 hours |
| Sequence | Members only |
Lixisenatide is a short-acting GLP-1 receptor agonist that binds to and activates glucagon-like peptide-1 (GLP-1) receptors on pancreatic beta cells and other tissues. This activation stimulates glucose-dependent insulin secretion, slows gastric emptying, and reduces glucagon secretion, resulting in rapid and pronounced reductions in postprandial (after-meal) blood glucose levels. Its short half-life (approximately 2-3 hours) makes it particularly effective at controlling glucose spikes immediately after food intake.
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Recent Research
GLP-1 Receptor Agonists and Dual GIP/GLP-1 Receptor Agonists in Children and Adolescents with Obesity: Clinical Outcomes and the Impact of Nutritional and Behavioral Co-Interventions-A Systematic Review.
Cost-effectiveness of iGlarLixi vs. IDegAsp in individuals with type 2 diabetes: a BRAVO model-based evaluation.
Optic Ischaemic Neuropathy in Incretin-Based Therapy: A Comparative Analysis of Real-World Safety Data.
Source: PubMed / NCBI. Updated daily. Articles are listed for research reference only.
Research Citations
4 sources
Rosenstock J, et al. (2009). Efficacy and safety of lixisenatide in type 2 diabetes inadequately controlled on metformin monotherapy: a randomized, double-blind, placebo-controlled trial. Diabetes Care. 32(9):1656-1662. PMID: 19528367
Fonseca VA, et al. (2012). Efficacy and safety of the once-daily GLP-1 receptor agonist lixisenatide in monotherapy: a randomized, open-label, parallel-arm comparison with insulin glargine in drug-naive patients with type 2 diabetes. Journal of Diabetes and its Complications. 25(1):8-13. PMID: 20971625
Riddle MC, et al. (2013). Adding once-daily lixisenatide for type 2 diabetes inadequately controlled by established basal insulin: a 24-week, randomized, placebo-controlled comparison. Diabetes Care. 36(9):2489-2496. PMID: 23628617
Nauck MA, et al. (2016). Cardiovascular safety of lixisenatide in patients with type 2 diabetes mellitus: a pooled analysis. Cardiovascular Diabetology. 15:23. PMID: 26831390
Related: Metabolic & Weight Loss
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Research Use Only. All content on this page is provided for informational and educational purposes related to scientific research. Lixisenatide is not approved for human use by the FDA or any equivalent regulatory body. This is not medical advice. Do not use any substance discussed here for therapeutic, diagnostic, or preventative purposes. Consult a qualified healthcare professional before making any health-related decisions. The Peptide Volt does not endorse the use of any research chemicals. 18+ only.