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Learn fibrates (fibric acid derivatives)—fenofibrate and gemfibrozil—common triglyceride-lowering drugs for hypertriglyceridemia. In this lecture from This is Why, Dr. Busti will break down how fibrates (fenofibrate and gemfibrozil) work, when to use them, and the safety pearls you need for the patient with high triglycerides, which can lead to pancreatitis.
You’ll learn how to:
- Mechanism: PPAR-α activation → ↓ triglycerides (TG), ↓ VLDL, ↑ HDL
- Fenofibrate vs gemfibrozil: key differences that matter for practice questions
- Indications: managing high triglycerides (including reducing pancreatitis risk in severe TG)
- Adverse effects & monitoring: myopathy risk, LFTs, gallstones, and what to watch for
- Drug interactions: especially with statins (testable!)
The goal = make medical education easy and clinically relevant.
Chapter Table of Contents
00:00 Fibrates Overview: TG-Focused Lipid-Lowering Drugs
01:39 Agents: Fenofibrate vs Gemfibrozil
02:07 Indication: Severe Hypertriglyceridemia + Pancreatitis Risk (TG over 500)
02:30 Net Benefit: TG ↓ 20–50% + Modest LDL Effects
04:13 Mechanism: PPAR-α Agonists → ↓VLDL Production
04:46 Mechanism Continued: ↑VLDL Catabolism + HDL Changes
05:38 Fenofibrate & Lp(a): What the Evidence Suggests
10:20 High TG Pathway: VLDL → IDL/LDL + Small Dense LDL
12:10 Key Interaction: Gemfibrozil Inhibits UGT → Statin Toxicity Risk
13:25 Major Safety Signal: Fenofibrate & VTE Risk (DVT/PE)
17:20 Place in Therapy: “Last-Line” TG over 500 After Lifestyle
24:02 Monitoring: Lipids, LFTs/Gallstones, CK, Serum Creatinine
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#fibrates #fenofibrate #gemfibrozil #hypertriglyceridemia #busti
Speaker:
Anthony Busti, MD, PharmD, MSc, FAHA, FNLA, is a licensed healthcare professional and medical educator with over 30 years of experience in clinical practice and academic teaching. He has trained and practiced as a nurse, pharmacist, and physician, bringing a uniquely comprehensive perspective to patient care and medical education.
Dr. Busti is dedicated to advancing evidence-based medicine and helping clinicians understand the underlying “why” behind clinical decisions to improve patient outcomes.
About This Channel:
This content is created by Anthony Busti, MD, PharmD, MSc, FAHA, FNLA, a board-certified physician with training at Johns Hopkins School of Medicine and University of Oxford and a medical educator for healthcare professionals and students. All material is based on current medical literature and evidence-based guidelines that align with principles of evidence-based medicine (EBM) and Evidence-Based Healthcare (EBHC).
Disclaimer:
This content is for educational purposes only and is not medical advice. It does not replace individualized evaluation, diagnosis, or treatment. Always seek the advice of a qualified health provider with questions about a medical condition and never delay care because of educational content.
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