Chronic Kidney Disease: More Common Than You Think

Katherine, a mother of two from the suburbs ofThe change worked for Katherine. Instead of the 12
Orlando, Florida, was diagnosed with type 2 diabetestablets she was taking per day on a previous
shortly after her 30th birthday. Two decades later,phosphate binder, Katherine now takes fewer than
her diabetes led to kidney failure. Unfortunately, thisfive tablets a day.
scenario is not uncommon, as diabetes is the leadingThe new medication has enabled Katherine to
cause of kidney failure in the United States,consistently maintain her phosphorus levels within the
accounting for nearly half of the people who beginrecommended guidelines. Katherine's new binder also
treatment each year.is a chewable tablet, which she prefers, because like
When the kidneys stop working normally, it is calledall dialysis patients, she needs to restrict the amount
chronic kidney disease (CKD). In Katherine's case, theof water she drinks each day. While Katherine has
disease advanced to its most severe form, CKDnot experienced any side effects related to
Stage 5, which occurs when an individual has lost atFOSRENOL(R), her doctor did advise her that
least 85 percent of his or her kidney function andindividuals taking the medication may experience
begins dialysis. Of the 20 million Americans who havenausea or vomiting, which generally lessen over time
some form of kidney disease, more than 530,000 areas patients continue with their treatment.
on dialysis. Dialysis performs tasks that healthyThanks to dialysis, diet and her newly prescribed
kidneys do, such as remove wastes, control excessphosphate binder therapy, Katherine is successfully
salt and water balance, and maintain blood pressure.managing her health and staying active. On most
The overall management of kidney disease isdays, she can be found in her swimming pool with
challenging and can lead to a variety of additionalher children and grandchildren.
problems. In Katherine's case, she developedThis patient account reflects one person's experience
hyperphosphatemia (hi-per-FOS-fuh-TE-me-uh)-highwith hyperphosphatemia, CKD Stage 5 and her
levels of phosphorus in the blood-which can lead totreatment with FOSRENOL(R). This information is not
serious long-term health problems over time, such asintended as a substitute for medical advice.
mineral deposits in the heart and blood vessels, boneNote to Editors: Important Safety Information: During
disease and even death.clinical trials, the most common side effects of
Fortunately, there are treatments available to helpFOSRENOL(R) were gastrointestinal, and included
patients control their kidney disease and limit thenausea, vomiting, and diarrhea. Nausea and vomiting
impact of hyperphosphatemia. Through a combinationgenerally lessened over time as patients continued
of dialysis, diet and phosphate binder therapy,with their treatment. Patients who stopped
patients can manage their phosphorus levels. Intreatment usually reported gastrointestinal side
addition to going to dialysis three times a week,effects as the reason for stopping. Other side
Katherine follows a diet that limits foods high ineffects reported in trials included dialysis graft
phosphorus, such as dairy products and dark soda.complications, headache, abdominal pain, and low
But phosphorus is found in most foods, so patientsblood pressure. Although studies were not designed
often cannot reach target blood phosphorus levelsto detect differences in risk of bone fracture and
through dietary restriction and dialysis alone. Manymortality, there were no differences demonstrated in
patients, including Katherine, need to take phosphatepatients treated with FOSRENOL(R) compared to
binders at meals and snacks to help further controlalternative therapy for up to 3 years. The duration of
their phosphorus levels. Phosphate binders aretreatment exposure and time of observation in the
prescription medications which "soak up" phosphorusclinical program were too short to conclude that
in the gastrointestinal tract before it can be absorbedFOSRENOL(R) does not affect the risk of bone
into the blood, thereby helping patients maintainfracture or mortality beyond 3 years. While lanthanum
target blood phosphorus levels.has been shown to accumulate in the GI tract, liver,
Because phosphate binders need to be taken withand bone in animals, the clinical significance in humans
each meal, finding an effective binder that fits eachis unknown. If you suffer from acute stomach ulcer,
individual patient's needs can be challenging. In Aprilcolon inflammation and colon ulcers, Crohn's disease,
2005, a member of Katherine's health care teamor bowel obstruction, it is important to know that
recommended that she change her phosphate binderpatients with these conditions were not included in
to FOSRENOL(R) because it could reduce the numberFOSRENOL(R) clinical studies-please discuss with your
of tablets she had to take each day.doctor.