New Study Shows Hyperkalemia Drug May Help Kidney Patients Stay on Treatment for Hypertension

 
Results presented at the National Kidney Foundation’s 2019 Spring Clinical Meetings
 
New York, NY – May 10, 2019 — Results of a new study may offer hope to a subset of patients with advanced chronic kidney disease (CKD) whose hypertension is difficult to treat, requiring multiple medications and are at risk for a potentially dangerous condition called hyperkalemia or elevated blood potassium.
 
It is challenging for many patients to stay on spironolactone therapy, which is a type of diuretic, because it can increase the risk of hyperkalemia. If left untreated, hyperkalemia can cause abnormal heart rhythms and even sudden death, according to the investigators of the study “Patiromer to Enable Spironolactone in Patients with Resistant Hypertension and CKD: Primary Results of AMBER. The study was presented at the National Kidney Foundation’s 2019 Spring Clinical Meetings in Boston this week.
 
“There is a clear unmet need for safe and effective therapies to treat chronic kidney disease patients with resistant hypertension who need to control both blood pressure and blood potassium levels, as these patients are at particularly high-risk for cardiovascular events,” said Dr. Rajiv Agarwal of Indiana University School of Medicine, Indianapolis.
 
“In fact, spironolactone has not previously been studied in this patient population due to the potential increased risk of developing hyperkalemia,” Dr. Agarwal said. “The results of the AMBER study suggest that patients treated with patiromer may be more likely to stay on spironolactone therapy, a life-saving medicine to control blood pressure.”
 
The team of investigators hope to present further data from this clinical trial at future congresses and in peer-reviewed publications, according to Dr. Agarwal.
 
In addition to Dr. Agarwal, the investigators are Patrick Rossignol of the University of Lorraine, Nancy, France; Dahlia Garza, Martha R. Mayo, Suzette Warren, Jia Ma, and Alain Romero of Relypsa, Inc., a Vifor Pharma Group Company, Redwood City, CA; William B. White of the University of Connecticut School of Medicine, Farmington; and Bryan Williams of the University College London.
 
NKF Chief Medical Officer Joseph Vassalotti, MD, who was not involved in the study, commended Dr. Rajiv Agarwal and colleagues for presenting these important findings for the first time at the NKF Spring Clinical Meetings.
 
“Spironolactone was shown to be an effective drug for treating resistant hypertension in the previously published PATHWAY-2 trial, but individuals with advanced CKD were excluded,” Dr. Vassalotti said. “Now, the AMBER trial results inform the treatment of resistant hypertension for people living with low levels of kidney function.”
 
In Boston, thousands of professionals in nephrology gathered to share the latest information, treatment and studies of CKD. Teams presented hundreds of studies during the “poster presentations.”
 
NKF Spring Clinical Meetings
For the past 27 years, nephrology healthcare professionals from across the country have come to NKF’s to learn about the newest developments related to all aspects of nephrology practice; network with colleagues; and present their research findings. The NKF Spring Clinical Meetings are designed for meaningful change in the multidisciplinary healthcare teams’ skills, performance, and patient health outcomes. It is the only conference of its kind that focuses on translating science into practice for the entire healthcare team.  This year’s Spring Clinical Meetings will be held May 8-12 in Boston, MA.
 
NKF Professional Membership
Healthcare professionals can join NKF to receive access to tools and resources for both patients and professionals, discounts on professional education, and access to a network of thousands of individuals who treat patients with kidney disease.
 
Kidney Disease Facts
In the United States, 30 million adults are estimated to have chronic kidney disease—and most aren’t aware of it.  1 in 3 American adults are at risk for chronic kidney disease.  Risk factors for kidney disease include diabetes, high blood pressure, heart disease, obesity and family history.  People of African American, Hispanic, Native American, Asian or Pacific Islander descent are at increased risk for developing the disease.  African Americans are 3 times more likely than Whites, and Hispanics are nearly 1.5 times more likely than non-Hispanics to develop end stage renal disease (kidney failure).
 
The National Kidney Foundation (NKF) is the largest, most comprehensive, and longstanding patient-centric organization dedicated to the awareness, prevention, and treatment of kidney disease in the U.S. For more information about NKF, visit www.kidney.org.
Publication Date: 
Friday, May 10, 2019
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