Fibrates – Test Prep and Practice Pearls
Real Life Pharmacology - Pharmacology Education for Health Care Professionals
Eric Christianson, PharmD; Pharmacology Expert and Clinical Pharmacist
4.9 • 773 Ratings
🗓️ 5 February 2026
⏱️ 13 minutes
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Summary
Fibrate derivatives are lipid-lowering medications that primarily target triglycerides rather than LDL cholesterol. Common agents include gemfibrozil, fenofibrate, and fenofibric acid. While their use has declined with the widespread adoption of statins, fibrates remain an important option for patients with severe hypertriglyceridemia, particularly to reduce the risk of acute pancreatitis rather than for routine cardiovascular risk reduction.
Fibrates work by activating PPAR-alpha, which increases lipoprotein lipase activity and enhances the clearance of triglyceride-rich lipoproteins. This leads to significant reductions in triglycerides, modest increases in HDL cholesterol, and variable effects on LDL cholesterol. Because they are not strong LDL-lowering agents, fibrates should not replace statins in patients who require LDL reduction, but they can be effective in select clinical scenarios when triglycerides are the primary concern.
From a safety standpoint, fibrates are generally well tolerated but require careful monitoring. Common concerns include gastrointestinal side effects, liver enzyme elevations, gallstone risk, and muscle toxicity, especially when combined with statins. Gemfibrozil carries a higher risk of drug interactions, while fenofibrate is usually preferred if combination therapy is necessary. Appropriate patient selection, lab monitoring, and lifestyle counseling are essential to maximize benefit and minimize harm when using fibrate derivatives.
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Transcript
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| 0:00.0 | Hey all, welcome back to the Real Life Pharmacology podcast. I'm your host, pharmacist, Derek Christensen. |
| 0:05.6 | Thank you so much for listening today. As always, go check out that top 200 study guide, great |
| 0:11.8 | refresher at real life pharmacology.com. Simply an email will get you access to that. Absolutely free. |
| 0:19.8 | Take advantage of that, whether you're a student in pharmacology classes or your |
| 0:24.5 | practicing clinician, just need a little refresher. |
| 0:27.3 | Definitely a no-brainer to go snag that with an email. |
| 0:31.6 | All right, let's get into the podcast episode today, and I am covering fibrate derivatives. |
| 0:40.8 | It's a medication class that doesn't always get the spotlight for cholesterol |
| 0:45.7 | lowering medications, but this class definitely is used periodically. So talk a little bit about how they work, when to use them, some of their risks, and some |
| 0:58.5 | important test prep and practice pearls. |
| 1:02.1 | That's definitely going to help you on pharmacology exams. |
| 1:05.7 | All right, so first off, fibrate derivatives, phenofibrate, gemfibrazol, those are the two most common medications. |
| 1:14.5 | These are lipid-lowering medications, and they primarily target triglycerides rather than LDL. |
| 1:22.8 | So if you've got somebody that we're looking to use for ASCVD and we're targeting LDL, |
| 1:29.2 | you know, statins are our go-to medication there. |
| 1:32.0 | Fibrate derivatives don't really come into the equation too much. |
| 1:37.5 | The most commonly used agents I alluded to Jimphiborzole phenofibrate, phenofibric acid. |
| 1:43.8 | So again, those statins dominate lipid therapy as far as LDL goes, |
| 1:49.4 | but those fibrates do remain a relevant medication to target high triglycerides. |
| 1:58.0 | And the issue with high triglycerides is they can lead to the increased |
| 2:04.1 | risks for pancreatitis. Definitely a good potential test question there. All right, so how |
| 2:11.0 | did these medications work? They activate a nuclear receptor called P-PAR-Alpha. |
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