The most common side effects of Repatha include nasopharyngitis, upper respiratory tract infection, flu, back pain, and reactions such as redness, pain, or bruising where the injection is given
The US Food and Drug Administration (FDA) has approved Repatha (evolocumab) injection for some patients who are unable to get their low-density lipoprotein (LDL) cholesterol under control with current treatment options.
Repatha, the second drug approved in a new class of drugs known as PCSK9 inhibitors, is approved for use in addition to diet and maximally-tolerated statin therapy in adult patients with heterozygous familial hypercholesterolemia (HeFH), homozygous familial hypercholesterolemia (HoFH), or clinical atherosclerotic cardiovascular disease, such as heart attacks or strokes, who require additional lowering of LDL cholesterol.
Familial hypercholesterolemia (encompassing both HeFH and HoFH) is an inherited condition that causes high levels of LDL cholesterol. A high level of LDL cholesterol in the blood is linked to cardiovascular or heart disease.
Repatha is an antibody that targets a specific protein, called PCSK9. PCSK9 reduces the number of receptors on the liver that remove LDL cholesterol from the blood. By blocking PCSK9’s ability to work, more receptors are available to get rid of LDL cholesterol from the blood and, as a result, lower LDL cholesterol levels.
The efficacy and safety of Repatha were evaluated in one 52-week placebo-controlled trial and eight 12-week placebo-controlled trials in participants with primary hyperlipidemia, including two that specifically enrolled participants with HeFH and one that enrolled participants with HoFH. In one of the 12-week studies, 329 participants with HeFH, who required additional lowering of LDL cholesterol despite statins with or without other lipid-lowering therapies, were randomised to receive Repatha or placebo for 12 weeks. Participants taking Repatha had an average reduction in LDL cholesterol of approximately 60 percent, compared to placebo.
The most common side effects of Repatha include nasopharyngitis, upper respiratory tract infection, flu, back pain, and reactions such as redness, pain, or bruising where the injection is given. Allergic reactions, such as rash and hives, have been reported with the use of Repatha. Patients should stop using Repatha and get medical help if they experience symptoms of a serious allergic reaction.
Multiple clinical trials have demonstrated that statins lower the risk of having a heart attack or stroke. A trial evaluating the effect of adding Repatha to statins for reducing cardiovascular risk is ongoing.
Repatha is marketed by Amgen, of Thousand Oaks, Calif.
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