J Clin Lipidol
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Homozygous familial hypercholesterolemia is characterized by extremely elevated serum low-density lipoprotein cholesterol (LDL-C) levels and increased risk of cardiovascular complications due to biallelic mutations in LDL receptor (LDLR). ⋯ Our report supports the role of genetic testing in the proband and the parents for accurate genetic counseling. Our patient had marked lowering of LDL-C with a combination of statin and ezetimibe but may require additional therapy.
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Randomized Controlled Trial
Temporal variability in lipoprotein(a) levels in patients enrolled in the placebo arms of IONIS-APO(a)Rx and IONIS-APO(a)-LRx antisense oligonucleotide clinical trials.
Lipoprotein(a) [Lp(a)] levels are primarily genetically determined, but their natural variability is not well known. ⋯ In subjects randomized to placebo in Lp(a) lowering trials, modest intra-individual temporal variability of mean Lp(a) levels was present. Significant number of subjects had > ±25% variation in Lp(a) in at least 1 time point. Although Lp(a) levels are primarily genetically determined, further study is required to define additional factors mediating short-term variability.