Statins given early decrease progression of kidney disease

This image shows a cross section of a kidney. Credit: Holly Fischer/Wikipedia

Results from a study by University of Colorado School of Medicine researchers show that pravastatin, a medicine widely used for treatment of high cholesterol, also slows down the growth of kidney cysts in children and young adults with autosomal dominant polycystic kidney disease (ADPKD).

ADPKD is the most common potentially lethal , affecting at least 1 in 1000 people. ADPKD is characterized by progressive kidney enlargement due to cyst growth, which results in loss of over time. At one time, ADPKD was termed "adult" but researchers are finding that clinical manifestations may be evident in childhood and even in utero. This strongly suggests that earlier intervention in childhood may have the greatest long term effect on the progression of the disease.

"Based on our findings, we strongly recommend consideration of pravastatin use in ADPKD children and unless there is a medical reason against taking a statin as determined by the patients' doctor," says the co-principal investigator Melissa A. Cadnapaphornchai, MD, from CU School of Medicine's departments of pediatrics & medicine, who conducted the study with Robert W. Schrier, MD, at the CU School of Medicine. "This is very exciting news as this is the first medication shown to help control kidney disease in ADPKD children."

The three-year study began with 110 children/young adults ages 8 to 22 years with ADPKD and finished with 92 participants. Each participant was randomized to receive either pravastatin or placebo completely by chance by a procedure similar to the toss of a coin. Treatment with pravastatin was associated with no significant side effects. However, it should not be used during pregnancy

The researchers emphasize that is not FDA-approved for the treatment of ADPKD; therefore, it is essential that patients discuss the potential risks and benefits of treatment, including possible psychosocial and financial implications, with their doctor.

More information: This study Effect of Pravastatin on Total Kidney Volume, Left Ventricular Mass Index, and Microalbuminuria in Pediatric Autosomal Dominant Polycystic Kidney Disease has been published in the Clinical Journal of American Society of Nephrology, Volume 9, Number 5, May 2014.

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