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Trial Shows Immunosuppressive Drug may Slow Progression of IgAN Nephropathy


Clinical trial shows MMF can slow the progression of kidney inflammation

Immunoglobulin A nephropathy (IgAN) is a disease that affects the kidneys. It is a type of glomerulonephritis, which means inflammation of the glomeruli (tiny blood vessels in the kidneys). IgAN is caused by the deposition of IgA (a type of antibody) in the kidneys, which leads to inflammation and scarring. The disease can progress over time and can result in chronic kidney disease, which may require kidney replacement therapy or lead to death.

A clinical trial has evaluated the efficacy and safety of mycophenolate mofetil (MMF) in patients with IgAN who are at high risk of kidney function loss. MMF is an immunosuppressive drug that is commonly used in kidney transplantation to prevent the rejection of the transplanted kidney. However, its role in the management of IgAN remains controversial.

Clinical Trial

The researchers had 170 adults with IgAN who had too much protein in their urine and had problems with their kidneys. Before the study started, everyone took a medicine called losartan to help with their blood pressure and protein in their urine. After three months, the people who still had a lot of protein in their urine were asked to join the study. They were randomly divided into two groups. One group received the MMF along with supportive care, while the other group only received supportive care. The trial lasted for three years.

The researchers were looking for a few different things during the study. They wanted to see if the MMF helped slow down the disease and if it was safe. They measured this by looking at how many people experienced kidney failure, needed dialysis or a kidney transplant, or died from kidney or heart problems. They also looked at how many people had their kidney disease get worse over time.

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The study found that MMF along with supportive care reduced the risk of disease progression compared to supportive care alone. Fewer people in the group that received MMF had kidney failure or needed dialysis or a kidney transplant. They also found that MMF was safe and did not cause any more problems than supportive care alone.

Overall, the study showed that the MMF helped slow down the disease and was safe to use.

These findings suggest that MMF may be beneficial in patients with progressive IgAN. However, it is important to note that this was a randomized clinical trial, and the results may not apply to all patients with IgAN. Further studies are needed to confirm these findings and to evaluate the long-term safety and efficacy of MMF in the treatment of IgAN.


IgAN is a disease that can cause kidney damage and may require kidney replacement therapy or lead to death. The addition of MMF to optimized supportive care may help reduce the risk of disease progression in patients with progressive IgAN. If you or someone you know has IgAN, it is important to speak with a healthcare provider to determine the best treatment options based on individual needs and circumstances.


JAMA Network, Feb-06-23
ClinicalTrials.gov NCT01854814

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This content is for informational and educational purposes only. It is not intended to provide medical advice or to take the place of such advice or treatment from a personal physician. All readers/viewers of this content are advised to consult their doctors or qualified health professionals regarding specific health questions. CenTrial Data Ltd. does not take responsibility for possible health consequences of any person or persons reading or following the information in this educational content. Treatments and clinical trials mentioned may not be appropriate or available for all trial participants. Outcomes from treatments and clinical trials may vary from person to person. Consult with your doctor as to whether a clinical trial is a suitable option for your condition. Assistance from generative AI tools may have been used in writing this article.