LGD-4033

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LGD-4033

Drug Information
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Identifiers DrugBank ChemSpider ID KEGG ChEBI		Chemical Data C H N O Molecular Weight

LGD-4033, also known as Ligandrol or VK5211, is a selective androgen receptor modulator (SARM) that is being researched for its potential applications in the treatment of conditions such as muscle wasting and osteoporosis. Developed by Ligand Pharmaceuticals, LGD-4033 is designed to provide the therapeutic benefits of testosterone with improved safety, tolerability, and patient acceptance due to its tissue-selective mechanism of action and oral route of administration.

Medical Uses

LGD-4033 has not been approved for medical use in any country. Its potential medical uses are being investigated in clinical trials. It has shown promise in the treatment of age-related muscle loss, cancer-associated weight loss, and possibly osteoporosis.

Mechanism of Action

LGD-4033 functions by binding to the androgen receptor (AR) with high affinity and selectivity. It exhibits anabolic activity in muscles, anti-resorptive and anabolic activity in bones, thus potentially benefiting patients suffering from muscle wasting and bone diseases. Unlike typical steroids, SARMs such as LGD-4033 selectively target specific tissues, which could reduce the likelihood of side effects associated with steroid use.

Pharmacokinetics

The pharmacokinetics of LGD-4033 include a half-life of 24–36 hours, and it is administered orally. It is metabolized in the body, but specific details of its metabolism and excretion are not well-documented.

Legal Status

LGD-4033 is currently classified as an investigational new drug. It is not approved for use by any health authorities, including the Food and Drug Administration (FDA). The use of LGD-4033 for bodybuilding or performance enhancement is not sanctioned by regulations, and its status can vary by jurisdiction.

Research

Research on LGD-4033 has been primarily focused on its potential to treat muscle wasting and osteoporosis. Clinical trials have examined its safety and efficacy in these areas, but more research is needed to fully understand its effects and potential health risks.

Side Effects

As an investigational drug, the full profile of side effects associated with LGD-4033 is not completely established. Potential side effects could mimic those of other androgens and may include changes in liver function, changes in lipid profiles, and potential hormone imbalances. Long-term health effects are still unknown.

See Also

• Selective androgen receptor modulator
• Osteoporosis
• Muscle wasting