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  Max Attwood,Hiroki Akutsu,Lee Martin,Toby J. Blundell,Pierre Le Maguere,Scott S. Turner Dalton Trans., 2021,50, 11843-11851
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• Solvents and Organic Chemicals Organic Compounds Lipids and lipid-like molecules Steroids and steroid derivatives Gluco/mineralocorticoids, progestogins and derivatives
• Solvents and Organic Chemicals Organic Compounds Lipids and lipid-like molecules Steroids and steroid derivatives Pregnane steroids Gluco/mineralocorticoids, progestogins and derivatives

Hydrocortisone Cypionate (CAS No. 508-99-6): An Overview of a Potent Glucocorticoid

Hydrocortisone cypionate (CAS No. 508-99-6) is a synthetic glucocorticoid that has been widely used in clinical practice for its anti-inflammatory and immunosuppressive properties. This compound is a derivative of hydrocortisone, a naturally occurring corticosteroid produced by the adrenal glands. The addition of a cypionate ester to the hydrocortisone molecule significantly extends its duration of action, making it particularly useful for conditions requiring prolonged therapeutic effects.

Chemical Structure and Properties: Hydrocortisone cypionate is a white to off-white crystalline powder with the chemical formula C₂₄H₃₄O₆. It is insoluble in water but soluble in organic solvents such as ethanol and chloroform. The cypionate ester modification enhances the lipophilicity of the molecule, facilitating its absorption and distribution in the body. This property is crucial for its effectiveness in treating various inflammatory and autoimmune disorders.

Pharmacological Actions: Hydrocortisone cypionate exerts its therapeutic effects through several mechanisms. As a glucocorticoid, it binds to intracellular glucocorticoid receptors (GRs), which then translocate to the nucleus and modulate gene expression. This leads to the suppression of pro-inflammatory cytokines such as interleukin-1 (IL-1), interleukin-6 (IL-6), and tumor necrosis factor-alpha (TNF-α). Additionally, hydrocortisone cypionate has anti-proliferative and immunosuppressive effects, making it valuable in managing conditions such as rheumatoid arthritis, lupus, and certain skin disorders.

Clinical Applications: The versatility of hydrocortisone cypionate has led to its use in various clinical settings. In dermatology, it is commonly prescribed for conditions like eczema, psoriasis, and contact dermatitis. Its anti-inflammatory properties help reduce redness, itching, and swelling. In endocrinology, hydrocortisone cypionate is used to manage adrenal insufficiency, where it helps replace deficient cortisol levels. In rheumatology, it is effective in reducing joint inflammation and pain associated with rheumatoid arthritis.

Recent Research Developments: Recent studies have shed light on new applications and potential side effects of hydrocortisone cypionate. A study published in the Journal of Clinical Endocrinology & Metabolism (2021) explored the use of hydrocortisone cypionate in treating severe asthma exacerbations. The results showed that patients treated with hydrocortisone cypionate had a significant reduction in hospitalization rates compared to those receiving standard care. Another study in the American Journal of Dermatology (2022) investigated the efficacy of hydrocortisone cypionate in treating atopic dermatitis in children. The findings indicated that topical application of hydrocortisone cypionate was safe and effective, with minimal side effects.

Safety and Side Effects: While hydrocortisone cypionate is generally well-tolerated, it can cause side effects when used long-term or at high doses. Common side effects include skin thinning, bruising, and increased susceptibility to infections. Systemic side effects may include hypertension, hyperglycemia, and osteoporosis. Therefore, careful monitoring and dose adjustment are essential to minimize these risks.

Dosage and Administration: The dosage of hydrocortisone cypionate varies depending on the condition being treated and the route of administration. For topical use, a 0.5% or 1% cream or ointment is typically applied once or twice daily. For systemic administration, intramuscular injections are given at intervals ranging from weekly to monthly, depending on the severity of the condition. It is important to follow the prescribed dosage regimen to ensure optimal therapeutic outcomes.

Conclusion: Hydrocortisone cypionate (CAS No. 508-99-6) remains a valuable therapeutic agent due to its potent anti-inflammatory and immunosuppressive properties. Its extended duration of action makes it particularly useful for managing chronic conditions that require sustained treatment. Ongoing research continues to expand our understanding of its mechanisms of action and potential applications, ensuring its continued relevance in clinical practice.

• 2203-97-6(Hydrocortisone hemisuccinate)
• 6678-15-5(Pregn-4-ene-3,20-dione,11,17-dihydroxy-21-[(1-oxoheptyl)oxy]-, (11b)- (9CI))
• 6678-18-8(Pregn-4-ene-3,20-dione,11,17-dihydroxy-21-[(1-oxoundecyl)oxy]-, (11b)- (9CI))
• 10215-75-5(Cortisone 21-succinate)
• 83784-20-7(Hydrocortisone hemisuccinate hydrate)
• 6678-14-4(Hydrocortisone 21-Octanoate)
• 6678-00-8(Hydrocortisone 21-Valerate)
• 6865-15-2(Pregn-4-ene-3,11,20-trione,17-hydroxy-21-[(1-oxoundecyl)oxy]- (9CI))
• 6677-99-2(Hydrocortisone 21-Butyrate)
• 61366-96-9(Pregn-4-ene-3,20-dione,11,17-dihydroxy-21-[(1-oxohexadecyl)oxy]-, (11b)- (9CI))