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Elafibranor

IQIRVO

Pronunciation: el-a-FIB-ra-nor (eye-KEER-voe)

Elafibranor ballicule: receptor binding, kinetics and half-life diagram
Mechanism of action: Elafibranor ballicule

What it isAn oral dual PPAR alpha/delta agonist for primary biliary cholangitis with inadequate response to ursodiol.

Why this oneUnlike delta-selective seladelpar, its dual PPAR action lowers alkaline phosphatase after ursodiol failure.

What limits itApproval is accelerated on that biochemical surrogate; monitor liver tests and muscle symptoms. Fractures, fetal harm, and decompensated cirrhosis matter.

Elafibranor molecular structure (skeletal formula)
Molecular structure: Elafibranor

FDA label

FDA dosingPopulationStartTargetMax
Primary biliary cholangitis (with UDCA; monotherapy if UDCA-intolerant)Adults80 mg QD80 mg QD80 mg/day

Renal No adjustment needed

Hepatic Mild (Child-Pugh A): no adjustment; not recommended in decompensated cirrhosis; consider discontinuing if progresses to Child-Pugh B or C

Instructions

Available strengths

Cautions

Adverse reactions

Pregnancy May cause fetal harm (animal data at ≤ human exposure); verify not pregnant before starting; pregnancy registry available

Lactation Do not breastfeed during treatment and for 3 weeks after last dose

Cost

Elafibranor (IQIRVO)
Strength#/mogeneric $/moCostPlus
80 mgtab30 qdnot offered
NADAC is a voluntary CMS survey of what retail community pharmacies pay for the drugs they stock. Elafibranor is dispensed outside retail pharmacies, so it rarely appears on surveyed invoices.

NO BOXED WARNINGS

Principal riskMyalgia, myopathy and rhabdomyolysis; fractures

Classes and tags

Clinical profile

Therapeutic safety burden2 / 4
Overdose danger0 / 4
Weight-gain liability1 / 4
Sedation liability0 / 4
QT / Torsades0 / 4
Direct muscarinic antagonism0 / 4
Embryofetal risk2 / 4

Legacy pregnancy categoryN/A (post-2015 labeling)

Defining liabilityMuscle injury, hepatotoxicity and fracture risk

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