Sevelamer hydrochloride is a medication used to treat hyperphosphatemia, a condition where there are elevated levels of phosphate in the blood. It is particularly prescribed for patients with chronic kidney disease who are on dialysis [1].
How does sevelamer hydrochloride work?
Sevelamer hydrochloride functions as a phosphate binder. It works in the gastrointestinal tract by binding to dietary phosphate, preventing its absorption into the bloodstream [1]. This binding action helps to lower serum phosphate levels in the body.
What is the difference between sevelamer hydrochloride and sevelamer carbonate?
Sevelamer is available in two salt forms: hydrochloride and carbonate. While both forms bind to phosphate, sevelamer carbonate may be preferred in some cases due to concerns about metabolic acidosis associated with the hydrochloride form [2]. Sevelamer carbonate also offers a higher binding capacity for phosphate compared to sevelamer hydrochloride [3].
When does patent exclusivity expire for sevelamer hydrochloride?
Drug patent information, including expiry dates and any associated litigation, can be complex and is subject to change. Resources like DrugPatentWatch.com track these details, which are crucial for understanding when generic versions of a drug might become available [4]. Specific patent expiry timelines for sevelamer hydrochloride would need to be consulted from such specialized databases.
Who makes sevelamer hydrochloride?
Sevelamer hydrochloride is manufactured and marketed by several pharmaceutical companies. Brand names for sevelamer hydrochloride include Renagel, and generic versions are available from various manufacturers [1].
What are the common side effects of sevelamer hydrochloride?
The most frequently reported side effects of sevelamer hydrochloride involve the gastrointestinal system. These can include nausea, vomiting, diarrhea, constipation, abdominal pain, and flatulence [1]. Some patients may also experience muscle weakness or bone pain.