The cholesterol drug fenofibrate reduced migraine symptoms in rats by lowering CGRP levels and modulating two key pain signaling pathways.
CGRP reduced by a cholesterol drugFenofibrate, an established and affordable lipid-lowering drug, reduced the key migraine molecule CGRP in a rat chronic migraine model
What the researchers found
Fenofibrate reduced migraine symptoms in rats by lowering CGRP levels and modulating CGRP/p-CREB/P2X3 and NGF/PKC/ASIC3 signaling pathways.
Why it matters
Repurposing existing drugs for new conditions is faster and cheaper than developing new ones. If fenofibrate works for migraines, it could provide another affordable treatment option.
The numbers in context
Migraine induced by 5 doses of nitroglycerin (10 mg/kg) on days 1, 3, 5, 7, and 9. Fenofibrate compared to topiramate (80 mg/kg/day oral).
How the study worked
Animal study using nitroglycerin-induced chronic migraine model in rats, comparing fenofibrate to topiramate with molecular pathway analysis.
Who was studied
Rats with nitroglycerin-induced chronic migraine model
What this study cannot tell us
Animal study — migraine in rats is modeled, not identical to human migraine. Doses used may not translate directly to human dosing.
How to read the evidence
Rated preliminary: animal study with a drug repurposing approach. Rat migraine models don't perfectly replicate human migraine.
When this study was published
Published in 2024. Early-stage drug repurposing research that could lead to clinical studies if validated.
The bigger picture
Repurposing existing drugs for new conditions is faster and cheaper than developing new ones. If fenofibrate helps migraines, it would provide an affordable alternative to expensive CGRP-targeted therapies.
Questions still open
- Would fenofibrate work in human migraine patients?
- Is the anti-migraine effect separate from fenofibrate's cholesterol effects?
Common questions
Could a cholesterol drug help migraines?
Why try cholesterol drugs for migraine?
Read the original research
Fenofibrate ameliorates nitroglycerin-induced migraine in rats: Role of CGRP/p-CREB/P2X3 and NGF/PKC/ASIC3 signaling pathways.
European journal of pharmacology, 976, 176667
Citation
Ruby, Hassan A; Sayed, Rabab H; Khattab, Mohamed A; Sallam, Nada A; Kenway, Sanaa A. (2024). Fenofibrate ameliorates nitroglycerin-induced migraine in rats: Role of CGRP/p-CREB/P2X3 and NGF/PKC/ASIC3 signaling pathways.. European journal of pharmacology, 976, 176667. https://doi.org/10.1016/j.ejphar.2024.176667