Research Use Only - Not for human consumption. 18+ only.
Clinical TrialsMetabolic & Weight LossSubcutaneous

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.

Research Status

Clinical Trials

Extensive Clinical Data

For research purposes only. Not approved for human use. Not medical advice.

Research Areas

Reduces postprandial blood glucose spikes
Improves fasting glucose control
Promotes modest weight loss
Enhances insulin secretion
Slows gastric emptying
Reduces cardiovascular risk markers

Side Effects

Nausea
CommonMild

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.

Vomiting
UncommonMild

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.

Diarrhea
UncommonMild

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.

Constipation
UncommonMild

Reported in 5-10% of users. Increase water intake, dietary fiber, and physical activity. Stool softeners may be used if needed.

Abdominal pain or discomfort
UncommonMild

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.

Headache
UncommonMild

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.

Dizziness or lightheadedness
UncommonMild

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.

Hypoglycemia (low blood sugar)
UncommonModerate

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.

Injection site reactions
UncommonMild

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.

Lipodystrophy (fat loss or thickening at injection sites)
UncommonMild

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.

Pancreatitis (inflammation of the pancreas)
RareSerious

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.

Acute kidney injury
RareSerious

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.

Allergic reaction
RareSerious

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.

Tachycardia (elevated heart rate)
UncommonMild

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.

Fatigue or weakness
UncommonMild

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

ParameterValue
Dose range10-20 mcg
Frequency1x daily
TimingWithin 1 hour before first meal of the day
RouteSubcutaneous

Titration typically starts at 10 mcg daily for 2 weeks, then increases to 20 mcg daily. Discontinued in US market (2023); available in EU and other regions. For research purposes 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

Use the PeptideVolt reconstitution calculator for your exact concentration

Molecular and Pharmacological Data

Molecular weight4175 Da
Half-life2-3 hours
SequenceH-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Leu-Ser-Lys-Gln-Met-Glu-Glu-Glu-Ala-Val-Arg-Leu-Phe-Ile-Glu-Trp-Leu-Lys-Asn-Gly-Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser-OH

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.

GLP-1 Receptor Activation

Lixisenatide binds to GLP-1 receptors on pancreatic beta cells, triggering glucose-dependent insulin secretion. This mechanism is glucose-sensitive, meaning insulin is only released when blood glucose is elevated, reducing hypoglycemia risk.

Gastric Emptying Inhibition

Activation of GLP-1 receptors in the stomach slows the rate at which food moves from the stomach into the small intestine, reducing the rate of nutrient absorption and postprandial glucose excursions.

Glucagon Suppression

GLP-1 receptor activation suppresses glucagon secretion from pancreatic alpha cells in a glucose-dependent manner, preventing inappropriate hepatic glucose production during the fed state.

Satiety and Appetite Regulation

GLP-1 receptors in the hypothalamus and other central nervous system regions promote satiety and reduce appetite, contributing to modest weight loss observed in clinical trials.

  • Lixisenatide is a 39-amino acid peptide derived from the venom of the Gila monster lizard (Heloderma suspectum), modified to resist enzymatic degradation
  • Its short half-life (2-3 hours) makes it ideal for controlling postprandial glucose spikes but requires once-daily dosing before meals
  • Unlike longer-acting GLP-1 agonists (e.g., semaglutide, dulaglutide), lixisenatide does not accumulate significantly with repeated dosing
  • Clinical trials demonstrate superior postprandial glucose control compared to basal insulin, with modest weight loss (1-3 kg) and low hypoglycemia risk when used as monotherapy

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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.