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Breakthrough Treatment Potential for IgA Nephropathy


Clinical trial shows Nefecon is beneficial for IgA Nephropathy kidney disorder

Researchers have unveiled promising results from a groundbreaking clinical trial that could transform the treatment landscape for primary immunoglobulin A nephropathy, commonly known as IgA nephropathy.

The clinical trial, known as the NefIgArd trial, has shown encouraging outcomes for a new treatment approach using a specially formulated medication called budesonide (Nefecon). 

IgA nephropathy is a kidney disorder where a substance called immunoglobulin A (IgA) accumulates in the kidneys, causing inflammation and damage. Over time, this can lead to reduced kidney function and potentially kidney failure. In patients with progressive disease, the risk of kidney failure may be up to 50% within 20 years. Current treatment options focus on managing symptoms and slowing down the disease progression as no disease-specific agents are available for cure.

Clinical Trial

Researchers aimed to evaluate the effectiveness of a targeted-release formulation of a medication called budesonide. This medication belongs to a class of drugs called corticosteroids, which are known for their anti-inflammatory properties. Unlike traditional corticosteroids, the targeted-release formulation of budesonide aims to deliver the drug specifically to the affected area while minimizing side effects in other parts of the body.

In the first part of the trial, called Part A, 199 patients with IgAN were treated with Nefecon or placebo for nine months and observed for an additional three months. The primary endpoint for Part A was a 24-hour urine protein-to-creatinine ratio (UPCR) after 9 months. Secondary outcomes included estimated glomerular filtration rate (eGFR) at 9 and 12 months and the UPCR at 12 months.

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Participants in Part A who received the targeted-release budesonide formulation showed significant improvements compared to those who received the placebo. At nine months, UPCR was 27% lower in the Nefecon group compared with placebo. Additionally, there was a 3.87 ml/min/1.73 m2 difference in eGFR in the nefecon group compared to the placebo.

These results indicate that kidney function appeared to be better preserved in the treatment group. Furthermore, the nefecon was well-tolerated with only a few side effects of mild to moderate intensity.


The findings from the NefIgArd trial's Part A have far-reaching implications. If further research and subsequent trial phases confirm these results, it could mean a revolutionary change in how IgA nephropathy is treated. The targeted-release budesonide formulation could potentially become a game-changer, offering a more effective and precise way to manage the disease and protect kidney function.


The NefIgArd clinical trial's Part A results have ignited hope in the field of nephrology. The targeted-release formulation of budesonide has shown significant promise in treating primary IgA nephropathy by reducing inflammation and potentially preserving kidney function. This could be a turning point in how to approach and manage this challenging kidney disorder. 
Kidney International, Feb-23
ClinicalTrials.gov NCT03643965

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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.