Related Experiment Video
Updated: Aug 13, 2025

A Familial Hypercholesterolemia Human Liver Chimeric Mouse Model Using Induced Pluripotent Stem Cell-derived Hepatocytes
Published on: September 15, 2018
Current Treatment Options in Homozygous Familial Hypercholesterolemia
Meral Kayikcioglu1, Lale Tokgozoglu2
1Department of Cardiology, Medical Faculty, Ege University, 35100 Izmir, Turkey.
Insights
Homozygous familial hypercholesterolemia (HoFH) causes severe high cholesterol and early heart disease. New therapies offer LDL-receptor independent cholesterol reduction, improving survival for HoFH patients.
Area of Science:
- Cardiology
- Genetics
- Pharmacology
Background:
- Homozygous familial hypercholesterolemia (HoFH) is a rare genetic disorder.
- It leads to extremely high LDL-C levels and premature atherosclerotic cardiovascular disease (ASCVD).
- Early diagnosis and effective lipid-lowering therapy (LLT) are critical for preventing early ASCVD.
Purpose of the Study:
- To review current and emerging pharmacotherapies for HoFH management.
- To discuss treatment strategies in light of recent evidence and guidelines.
- To highlight novel agents offering LDL-receptor independent cholesterol reduction.
Main Methods:
- Literature review of current and emerging HoFH therapies.
- Analysis of evidence supporting lipid-lowering treatments.
- Summary of guideline recommendations for HoFH management.
Main Results:
- Most HoFH patients are resistant to conventional LLT due to defective LDL-receptor activity.
- New pharmacotherapies provide LDL-receptor independent cholesterol reduction.
- On-treatment LDL-C levels are the primary predictor of survival in HoFH.
Conclusions:
- HoFH requires specialized management due to its severity and treatment resistance.
- Emerging therapies represent a new era in HoFH treatment, improving outcomes.
- Effective LLT is paramount for reducing ASCVD risk and enhancing survival in HoFH patients.
Abstract:
Homozygous familial hypercholesterolemia (HoFH) is the rare form of familial hypercholesterolemia causing extremely high low-density lipoprotein cholesterol (LDL-C) levels, leading to atherosclerotic cardiovascular disease (ASCVD) in the first decades of life, if left untreated. Early diagnosis and effective lipid lowering therapy (LLT) are crucial for the prevention of early ASCVD in patients with HoFH. On-treatment LDL-C levels are the best predictor of survival. However, due to the absent or defective LDL-receptor activity, most individuals with HoFH are resistant to conventional LLT, that leads to LDL-C clearance by upregulating LDL-receptors. We are at the dawn of a new era of effective pharmacotherapies for HoFH patients, with new agents providing an LDL-receptor independent cholesterol reduction. In this context, the present review provides a summary of the currently available therapies and emerging therapeutic agents for the management of patients with HoFH, in light of recent evidence and guideline recommendations.
Related Concept Videos
Lipid-Lowering Drugs: Statins and Miscellaneous Agents
Atherosclerosis III: Management
Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists
These agonists bind to the IPR receptor situated on the plasma membrane of the pulmonary artery smooth muscle cells. This binding triggers a cascade of reactions known as the GS-AC-cAMP-PKA pathway. This pathway results in the relaxation of smooth muscle...
Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme...
Cholesterol: Significance and Regulation
Considering cholesterol and...
Treatment for Pulmonary Arterial Hypertension: Receptor Tyrosine Kinase Inhibitors and Calcium Channel Blockers
TKIs, such as imatinib (Gleevec), are particularly effective in tackling the growth and mitogenic factors that become upregulated in PAH patients. These factors contribute to the...

