Immunosuppressive drug

Immunosuppressive Drugs

Assorted Immunosuppressive Drugs.

Immunosuppressive drugs are medications designed to lower the body's normal immune response. These agents are crucial in the prevention of organ rejection in transplant recipients and in the treatment of autoimmune diseases, where the body's immune system mistakenly attacks its own tissues.

Types and Mechanisms of Action

Immunosuppressive drugs can be classified into several categories, each with a unique mechanism of action:

• Corticosteroids: Such as prednisone, which reduce inflammation and suppress the immune system broadly.
• Calcineurin Inhibitors: Including tacrolimus and cyclosporine, which specifically inhibit T-cell activation.
• Antimetabolites: Such as mycophenolate mofetil and azathioprine, which inhibit the proliferation of immune cells.
• mTOR Inhibitors: Such as sirolimus, which also inhibit T-cell activation and proliferation.
• Monoclonal Antibodies: Including drugs like basiliximab and rituximab, designed to target specific components of the immune system.

Uses

Immunosuppressive drugs are used in various clinical settings, including:

• Prevention of organ transplant rejection
• Treatment of autoimmune diseases like rheumatoid arthritis, lupus, and inflammatory bowel disease
• Management of severe allergic reactions and asthma
• Control of inflammatory conditions

Potential Side Effects

While immunosuppressive drugs play a vital role in managing certain conditions, they can also lead to several side effects due to their action on the immune system, such as:

• Increased susceptibility to infections
• Increased risk of certain cancers
• Liver or kidney toxicity
• Hypertension and increased blood sugar levels

Administration and Monitoring

The administration of immunosuppressive drugs requires careful monitoring by healthcare professionals to balance the therapeutic benefits with the potential risks of side effects. Dosages may be adjusted based on the patient's response and the presence of side effects.

Recent Developments

Advances in immunosuppressive therapy include the development of more selective drugs that aim to minimize side effects while effectively managing the immune response. Research continues into novel agents and combinations of drugs to improve outcomes for patients requiring immunosuppression.

See Also

• Organ transplantation
• Autoimmune disease
• Pharmacology
• Immunology

External Links

• World Health Organization - Transplantation
• National Institute of Allergy and Infectious Diseases - Autoimmune Diseases

Immunosuppressive drug Resources
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