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ORIGINAL ARTICLE
Year : 2022  |  Volume : 17  |  Issue : 3  |  Page : 265-273

Hydroethanolic extract of Lavandula angustifolia ameliorates vincristine-induced peripheral neuropathy in rats


1 Department of Traditional Pharmacy, School of Traditional Medicine, Shahid Beheshti University of Medical Sciences, Tehran, I.R. Iran
2 Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, I.R. Iran
3 Department of Pharmacology and Toxicology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, I.R. Iran
4 Department of Pharmacognosy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, I.R. Iran

Correspondence Address:
Mahmoud Mosaddegh
Department of Pharmacognosy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran
I.R. Iran
Mehrdad Faizi
Department of Pharmacology and Toxicology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran
I.R. Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1735-5362.343080

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Background and purpose: Peripheral neuropathy is one of the most common adverse effects of cancer chemotherapy. Vincristine is prescribed to treat a variety of carcinomas, including lymphoma and leukemia, and may cause progressive peripheral neuropathy due to the damage of microtubules and mitochondria of neurons and affects inflammatory processes. This study was designed to evaluate the effects of Lavandula angustifolia hydroalcoholic extract (LHE) of aerial part on vincristine-induced peripheral neuropathy in a rat model. Experimental approach: Neuropathy was induced in rats by daily intraperitoneal administration of vincristine (0.1 mg/kg for 2 weeks). Following the induction of neuropathy, animals were treated with the LHE (100, 200, and 400 mg/kg, p.o.) or pregabalin (20 mg/kg, IP) for 2 weeks, and their responses to vincristine-induced hyperalgesia and locomotor impairment were measured. Findings/Results: LHE, at the dose of 400 mg/kg, showed analgesic effects in response to thermal hyperalgesia, tactile allodynia, and gait impairment. Also, pregabalin (20 mg/kg, IP) improved the symptoms of vincristine-induced peripheral neuropathy. Conclusions and implications: According to the results, we can conclude that LHE alleviates neuropathic symptoms of vincristine and the effect is probably related to the presence of phenols and flavonoids in the extract.


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