Commonly Used Immunosuppression Drugs in Renal Transplants
Immunosuppression drugs are essential in renal transplants to prevent the immune system from rejecting the new kidney and ensuring its survival. Learn about the commonly used immunosuppression drugs in renal transplants here.
Nivedita Dar15 May, 2024
Medical professionals recommend immunosuppressants as long-term medications for organ transplant recipients. Immunosuppressants reduce the body's capacity to reject an organ transplant. After receiving a kidney transplant, your body may attempt to harm or destroy the new kidney because it perceives it as a foreign item. Immunosuppressive medications inhibit this bodily function and protect against rejection.
Immunosuppression Protocols
Following your kidney transplant, you will need immunosuppressive drugs to prevent your immune system from rejecting your new kidney. Based on your immune system risk, the particulars of your transplant, the probable adverse effects of medicines, and ways to respond to those, the doctors will decide on the medications that could be best for you. You can administer immunosuppressants intravenously, as an injection, as a liquid, or as a tablet. You might require immunosuppressants for many months, a year, or longer, depending on your circumstances.Immunosuppressive Drugs
After the renal transplant, the body's immune system tries to develop a defence mechanism to reject the newly transplanted organ since it is not an original body part. We administer immunosuppressant drugs to suppress or control the body's immune response to prevent rejection. These medications are also known as anti-rejection medications. There are two categories of immunosuppressants:- Induction medications are strong drugs used during transplantation.
- After a renal transplant, doctors gradually administer maintenance medications, which are anti-rejection drugs.
- Calcineurin inhibitors : Tacrolimus and Cyclosporine
- Azathioprine, Sodium, and Mycophenolate are antiproliferative agents.
- Sirolimus is an mTOR inhibitor.
- Steroids : Prednisone
Signs to Watch for After Medications
You may experience kidney transplant rejection symptoms even if you take medications regularly. When taking the necessary measures, look out for the following symptoms:- A decrease in urine production.
- A temperature higher than 100 degrees
- Discomfort in your new kidney.
- Blood in urine
- Flu-like symptoms,
- Unusual weight gain.
Side Effects of Immunosuppressants
A stomach problem is one of the most common side effects. It may be helpful to separate the antiproliferative drugs and calcineurin inhibitors by more than an hour at times. Additional side effects of medicines include the following:- Tacrolimus is associated with headaches, hair loss, and a higher risk of diabetes.
- Cyclosporine: Tremors, gum expansion, and hair growth.
- The symptoms of sirolimus include rash, anaemia, a low blood count, swelling in the ankles, and frothy urine.
- Prednisone: This medication causes several adverse effects, including acne, weight gain, and water retention. We recommend a very low dose (5 mg) for long-term use.
- Mycophenolate mofetil: The potential side effects include nausea or diarrhoea. It can also lower white blood cell counts.
Common Immunosuppressive Drugs
Since matching a donor and recipient ideally is really difficult, strong immunosuppressive medications are required to reduce immunological rejection. To avoid acute rejection possibilities, induction therapy aims to decrease cellular reactions. Some of the leading medications employed include the following:Induction Agents
One of the main induction agents is anti-thymocyte globulin (ATG). ATG, a combination of polyclonal immunoglobulin G derived from horses or rabbits, effectively targets human T-cell lines. Because of its wide range of antigen targets, it causes a depletion of cells for an immune response. This strategy has demonstrated the ability to prevent acute rejection in susceptible individuals.Maintenance Agents
The body uses the maintenance agents to control the immune system's response to the new renal transplant. These include the following:Calcineurin Inhibitors (CNI)
These medicines have been the major maintenance of immunosuppression, particularly in solid organ transplantation like kidneys. Their significant impact on transplantation was their ability to block the enzyme that stimulates cells to fight infections.Anti-Proliferative Agents
Patients undergoing kidney transplantation receive a combination of immunosuppressive drugs to prevent rejection of the transplanted kidney. These regimens often include an antiproliferative drug such as mycophenolate mofetil (MMF) or azathioprine (AZA).Mechanistic Targets of Rapamycin (mTOR) Inhibitors
These are some of the most effective immunosuppressant medicines in the maintenance category that prevent antibody cell multiplication and growth.Risks of Receiving Immunosuppressants
Immunosuppression drugs are effective in taking care of the renal transplant process. However, there are certain risks involved.Missing Doses
It is necessary to take medicines according to your doctor's instructions. Missing a dose could cause your condition to worsen. There is a chance that your body will reject donor organs if your immune system starts acting against them.Risk of Infection
Your immune system defends you against pathogens, viruses, and cancer. Using these drugs will weaken your immune system's ability to defend against dangerous invaders as effectively as it should. This increases the likelihood of contracting potentially fatal illnesses, such as:- Sepsis is a blood infection.
- These include fungal diseases such as skin fungus and thrush.
- Cellulitis is one of the skin diseases.
- Respiratory infections include pneumonia.
Immunosuppression Drugs in Renal Transplants FAQs
What are the side effects of MMF?
MMF side effects include dizziness, tiredness, headache, diarrhoea, vomiting, upset stomach, constipation, and sleeping difficulties.
What kind of diet is recommended during the course of treatment with immunosuppressive drugs?
We recommend consuming nutrient-rich foods such as fruits, vegetables, grains, meats, and dairy products to strengthen your immune system.
Why should you avoid touching mycophenolate?
Avoid touching mycophenolate, as it may have undesirable effects due to skin absorption.
What are some common foods that contain immunosuppressants?
Grapefruit juice is a common source of immunosuppressants.
Do immunosuppressive medications have an impact on pregnant women?
Some drugs may cause birth defects if taken during pregnancy or breastfeeding.
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